* [PATCH] powerpc/kasan: fix early boot failure on PPC32
From: Christophe Leroy @ 2019-07-31 6:01 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
Cc: linuxppc-dev, linux-kernel
Due to commit 4a6d8cf90017 ("powerpc/mm: don't use pte_alloc_kernel()
until slab is available on PPC32"), pte_alloc_kernel() cannot be used
during early KASAN init.
Fix it by using memblock_alloc() instead.
Reported-by: Erhard F. <erhard_f@mailbox.org>
Fixes: 2edb16efc899 ("powerpc/32: Add KASAN support")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
arch/powerpc/mm/kasan/kasan_init_32.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/kasan/kasan_init_32.c b/arch/powerpc/mm/kasan/kasan_init_32.c
index 0d62be3cba47..74f4555a62ba 100644
--- a/arch/powerpc/mm/kasan/kasan_init_32.c
+++ b/arch/powerpc/mm/kasan/kasan_init_32.c
@@ -21,7 +21,7 @@ static void kasan_populate_pte(pte_t *ptep, pgprot_t prot)
__set_pte_at(&init_mm, va, ptep, pfn_pte(PHYS_PFN(pa), prot), 0);
}
-static int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end)
+static int __ref kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end)
{
pmd_t *pmd;
unsigned long k_cur, k_next;
@@ -35,7 +35,10 @@ static int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_
if ((void *)pmd_page_vaddr(*pmd) != kasan_early_shadow_pte)
continue;
- new = pte_alloc_one_kernel(&init_mm);
+ if (slab_is_available())
+ new = pte_alloc_one_kernel(&init_mm);
+ else
+ new = memblock_alloc(PTE_FRAG_SIZE, PTE_FRAG_SIZE);
if (!new)
return -ENOMEM;
--
2.13.3
^ permalink raw reply related
* linux-next: DTS build warnings
From: Stephen Rothwell @ 2019-07-31 5:39 UTC (permalink / raw)
To: ppc-dev
[-- Attachment #1: Type: text/plain, Size: 20809 bytes --]
Hi all,
I have been getting the following warnings from a couple of powerpc
builds for quite a while now. I was hoping someone might have time to
look at them and maybe even fix them up :-)
arch/powerpc/boot/dts/virtex440-ml510.dts:335.37-439.6: Warning (pci_bridge): /plb@0/plbv46-pci@85e00000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/virtex440-ml510.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/katmai.dts:322.26-361.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/katmai.dts:363.26-402.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/katmai.dts:404.26-443.5: Warning (pci_bridge): /plb/pciex@d40000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/katmai.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/icon.dts:318.26-357.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/icon.dts:359.26-398.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/icon.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/virtex440-ml510.dts:335.37-439.6: Warning (pci_bridge): /plb@0/plbv46-pci@85e00000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/virtex440-ml510.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/o2mnt.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:182.18-186.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi'
also defined at arch/powerpc/boot/dts/o2d.dtsi:32.12-43.5
arch/powerpc/boot/dts/o2mnt.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge'
arch/powerpc/boot/dts/makalu.dts:271.25-310.5: Warning (pci_bridge): /plb/pciex@a0000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/makalu.dts:312.25-351.5: Warning (pci_bridge): /plb/pciex@c0000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/makalu.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mgcoge.dts:230.14-234.7: Warning (spi_bus_reg): /soc@f0000000/cpm@119c0/spi@11aa0/ds3106@1: SPI bus unit address format error, expected "0"
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/motionpro.dts:84.15-86.4
arch/powerpc/boot/dts/motionpro.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/p2020rdb.dts:251.22-254.4: Warning (pci_bridge): /pcie@ffe08000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:43.7-68.3
arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:52.9-67.4: Warning (pci_bridge): /pcie@ffe08000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/p2020rdb.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/mvme7100.dts:135.22-137.4: Warning (pci_bridge): /pcie@f1008000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:92.7-117.3
arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:102.9-116.4: Warning (pci_bridge): /pcie@f1008000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/mvme7100.dts:139.22-141.4: Warning (pci_bridge): /pcie@f1009000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:119.7-144.3
arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:129.9-143.4: Warning (pci_bridge): /pcie@f1009000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/mvme7100.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/mvme7100.dts:30.11-32.6: Warning (i2c_bus_reg): /soc@f1000000/i2c@3000/rtc@68: missing or empty reg property
arch/powerpc/boot/dts/glacier.dts:492.26-532.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/glacier.dts:534.26-574.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/glacier.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/uc101.dts:100.15-102.4
arch/powerpc/boot/dts/uc101.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/p1020rdb-pd.dts:189.11-193.6: Warning (spi_bus_reg): /soc@ffe00000/spi@7000/slic@0: SPI bus unit address format error, expected "1"
arch/powerpc/boot/dts/fsl/p1020rdb-pd.dts:195.11-199.6: Warning (spi_bus_reg): /soc@ffe00000/spi@7000/slic@1: SPI bus unit address format error, expected "2"
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/a3m071.dts:135.15-137.4
arch/powerpc/boot/dts/a3m071.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/mpc8555cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0)
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/o2d.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:182.18-186.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi'
also defined at arch/powerpc/boot/dts/o2d.dtsi:32.12-43.5
arch/powerpc/boot/dts/o2d.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge'
arch/powerpc/boot/dts/mpc5121.dtsi:397.13-406.5: Warning (spi_bus_bridge): /soc@80000000/psc@11400: node name for SPI buses should be 'spi'
also defined at arch/powerpc/boot/dts/ac14xx.dts:305.19-326.5
arch/powerpc/boot/dts/mpc5121.dtsi:409.13-418.5: Warning (spi_bus_bridge): /soc@80000000/psc@11500: node name for SPI buses should be 'spi'
also defined at arch/powerpc/boot/dts/ac14xx.dts:329.19-344.5
arch/powerpc/boot/dts/ac14xx.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/cm5200.dts:70.15-72.4
arch/powerpc/boot/dts/cm5200.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5121.dtsi:457.13-466.5: Warning (spi_bus_bridge): /soc@80000000/psc@11900: node name for SPI buses should be 'spi'
also defined at arch/powerpc/boot/dts/pdm360ng.dts:172.13-185.5
arch/powerpc/boot/dts/pdm360ng.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge'
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16
arch/powerpc/boot/dts/haleakala.dts:240.25-279.5: Warning (pci_bridge): /plb/pciex@a0000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/haleakala.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/bluestone.dts:328.26-368.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/bluestone.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/bluestone.dts:272.13-277.7: Warning (i2c_bus_reg): /plb/opb/i2c@ef600700/sttm@4C: I2C bus unit address format error, expected "4c"
arch/powerpc/boot/dts/fsl/gef_sbc610.dts:209.22-211.4: Warning (pci_bridge): /pcie@fef09000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:119.7-144.3
arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:129.9-143.4: Warning (pci_bridge): /pcie@fef09000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/gef_sbc610.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/katmai.dts:322.26-361.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/katmai.dts:363.26-402.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/katmai.dts:404.26-443.5: Warning (pci_bridge): /plb/pciex@d40000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/katmai.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/o2i.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:182.18-186.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi'
also defined at arch/powerpc/boot/dts/o2d.dtsi:32.12-43.5
arch/powerpc/boot/dts/o2i.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge'
arch/powerpc/boot/dts/currituck.dts:125.28-161.5: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/currituck.dts:163.28-198.5: Warning (pci_bridge): /plb/pciex@30100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/currituck.dts:200.28-235.5: Warning (pci_bridge): /plb/pciex@38100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/currituck.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/xpedite5200.dts:135.11-138.6: Warning (i2c_bus_reg): /soc@ef000000/i2c@3000/dtt@48: I2C bus unit address format error, expected "34"
arch/powerpc/boot/dts/akebono.dts:251.28-289.5: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/akebono.dts:291.28-329.5: Warning (pci_bridge): /plb/pciex@20100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/akebono.dts:331.28-369.5: Warning (pci_bridge): /plb/pciex@18100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/akebono.dts:371.28-409.5: Warning (pci_bridge): /plb/pciex@28100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/akebono.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc8610_hpcd.dts:420.3-21: Warning (pci_device_bus_num): /pcie@e000a000/pcie@0:bus-range: PCI bus number 0 out of range, expected (1 - 1)
arch/powerpc/boot/dts/canyonlands.dts:464.26-504.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/canyonlands.dts:506.26-546.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/canyonlands.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/stxssa8555.dts:329.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0)
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/o2dnt2.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:182.18-186.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi'
also defined at arch/powerpc/boot/dts/o2d.dtsi:32.12-43.5
arch/powerpc/boot/dts/o2dnt2.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge'
arch/powerpc/boot/dts/fsl/gef_ppc9a.dts:211.22-213.4: Warning (pci_bridge): /pcie@fef09000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:119.7-144.3
arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:129.9-143.4: Warning (pci_bridge): /pcie@fef09000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/gef_ppc9a.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/o3dnt.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:182.18-186.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi'
also defined at arch/powerpc/boot/dts/o2d.dtsi:32.12-43.5
arch/powerpc/boot/dts/o3dnt.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge'
arch/powerpc/boot/dts/redwood.dts:238.26-277.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/redwood.dts:279.26-318.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/redwood.dts:320.26-359.5: Warning (pci_bridge): /plb/pciex@d40000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/redwood.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/xpedite5200_xmon.dts:139.11-142.6: Warning (i2c_bus_reg): /soc@ef000000/i2c@3000/dtt@48: I2C bus unit address format error, expected "34"
arch/powerpc/boot/dts/fsl/oca4080.dts:132.23-134.4: Warning (pci_bridge): /pcie@ffe200000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:58.7-84.3
arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:68.9-83.4: Warning (pci_bridge): /pcie@ffe200000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/oca4080.dts:136.23-138.4: Warning (pci_bridge): /pcie@ffe201000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:87.7-113.3
arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:97.9-112.4: Warning (pci_bridge): /pcie@ffe201000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/oca4080.dts:140.23-142.4: Warning (pci_bridge): /pcie@ffe202000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:116.7-142.3
arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:126.9-141.4: Warning (pci_bridge): /pcie@ffe202000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/oca4080.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/ppa8548.dts:34.22-37.4: Warning (pci_bridge): /pci@fe0008000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi:43.7-51.3
arch/powerpc/boot/dts/fsl/ppa8548.dts:39.22-42.4: Warning (pci_bridge): /pci@fe0009000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi:54.7-62.3
arch/powerpc/boot/dts/fsl/ppa8548.dts:44.23-47.4: Warning (pci_bridge): /pcie@fe000a000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi:65.7-90.3
arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi:74.9-89.4: Warning (pci_bridge): /pcie@fe000a000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/ppa8548.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/p2020rdb-pc_36b.dts:59.23-62.4: Warning (pci_bridge): /pcie@fffe08000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:100.7-126.3
arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:109.9-125.4: Warning (pci_bridge): /pcie@fffe08000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/p2020rdb-pc_36b.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/o2d300.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/mpc5200b.dtsi:182.18-186.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi'
also defined at arch/powerpc/boot/dts/o2d.dtsi:32.12-43.5
arch/powerpc/boot/dts/o2d300.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge'
arch/powerpc/boot/dts/kilauea.dts:325.25-364.5: Warning (pci_bridge): /plb/pciex@a0000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/kilauea.dts:366.25-405.5: Warning (pci_bridge): /plb/pciex@c0000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/kilauea.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/p2020rdb-pc_32b.dts:59.22-62.4: Warning (pci_bridge): /pcie@ffe08000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:100.7-126.3
arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:109.9-125.4: Warning (pci_bridge): /pcie@ffe08000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/p2020rdb-pc_32b.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/mpc8541cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0)
arch/powerpc/boot/dts/fsl/kmcent2.dts:259.23-261.4: Warning (pci_bridge): /pcie@ffe250000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:85.7-109.3
arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:93.9-108.4: Warning (pci_bridge): /pcie@ffe250000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/kmcent2.dts:263.23-265.4: Warning (pci_bridge): /pcie@ffe260000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:111.7-135.3
arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:119.9-134.4: Warning (pci_bridge): /pcie@ffe260000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/kmcent2.dts:267.23-269.4: Warning (pci_bridge): /pcie@ffe270000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:137.7-161.3
arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:145.9-160.4: Warning (pci_bridge): /pcie@ffe270000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/kmcent2.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
arch/powerpc/boot/dts/fsl/kmcoge4.dts:196.23-198.4: Warning (pci_bridge): /pcie@ffe201000: missing ranges for PCI bridge (or not a bridge)
also defined at arch/powerpc/boot/dts/fsl/p2041si-post.dtsi:87.7-113.3
arch/powerpc/boot/dts/fsl/p2041si-post.dtsi:97.9-112.4: Warning (pci_bridge): /pcie@ffe201000/pcie@0: missing ranges for PCI bridge (or not a bridge)
arch/powerpc/boot/dts/fsl/kmcoge4.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
--
Cheers,
Stephen Rothwell
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 488 bytes --]
^ permalink raw reply
* [Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage
From: bugzilla-daemon @ 2019-07-31 5:19 UTC (permalink / raw)
To: linuxppc-dev
In-Reply-To: <bug-204375-206035@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=204375
--- Comment #3 from Christophe Leroy (christophe.leroy@c-s.fr) ---
Looks like that's due to 4a6d8cf90017 ("powerpc/mm: don't use
pte_alloc_kernel() until slab is available on PPC32"), committed just before
the KASAN series
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* [Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage
From: bugzilla-daemon @ 2019-07-31 4:49 UTC (permalink / raw)
To: linuxppc-dev
In-Reply-To: <bug-204375-206035@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=204375
Christophe Leroy (christophe.leroy@c-s.fr) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |christophe.leroy@c-s.fr
--- Comment #2 from Christophe Leroy (christophe.leroy@c-s.fr) ---
Looks like a panic happens in kasan_mmu_init() due to page allocation failure.
#0 __delay (loops=0x186a0) at arch/powerpc/kernel/time.c:470
#1 0xc0043b34 in panic (fmt=<optimized out>) at kernel/panic.c:305
#2 0xc0049f1c in do_exit (code=0xb) at kernel/exit.c:789
#3 0xc0012c30 in oops_end (signr=<optimized out>, regs=<optimized out>,
flags=<optimized out>) at arch/powerpc/kernel/traps.c:249
#4 die (str=0xc08c78a0 <read_bhrb+8956080> "Kernel access of bad area",
regs=0xc0f60000 <reservation_seqcount_class>, err=0xb) at
arch/powerpc/kernel/traps.c:294
#5 0xc00194a8 in handle_page_fault () at arch/powerpc/kernel/entry_32.S:632
#6 0xc011ca64 in task_css (task=0xc0da69a0 <init_task>, subsys_id=<optimized
out>) at ./include/linux/cgroup.h:486
#7 0xc011ca7c in task_cs (task=<optimized out>) at kernel/cgroup/cpuset.c:199
#8 0xc011fed4 in cpuset_print_current_mems_allowed () at
kernel/cgroup/cpuset.c:3444
#9 0xc0210c64 in warn_alloc (gfp_mask=<optimized out>, nodemask=0x0,
fmt=0xc093e080 <read_bhrb+9441424> "page allocation failure: order:%u") at
mm/page_alloc.c:3765
#10 0xc021151c in __alloc_pages_slowpath (ac=<optimized out>, order=<optimized
out>, gfp_mask=<optimized out>) at mm/page_alloc.c:4637
#11 __alloc_pages_nodemask (gfp_mask=0x100, order=0x0, preferred_nid=<optimized
out>, nodemask=<optimized out>) at mm/page_alloc.c:4745
#12 0xc0022480 in __alloc_pages (order=<optimized out>,
preferred_nid=<optimized out>, gfp_mask=<optimized out>) at
./include/linux/gfp.h:473
#13 __alloc_pages_node (order=<optimized out>, gfp_mask=<optimized out>,
nid=<optimized out>) at ./include/linux/gfp.h:486
#14 alloc_pages_node (nid=<optimized out>, order=<optimized out>,
gfp_mask=<optimized out>) at ./include/linux/gfp.h:500
#15 __alloc_for_ptecache (mm=<optimized out>, kernel=<optimized out>) at
arch/powerpc/mm/pgtable-frag.c:69
#16 pte_fragment_alloc (mm=<optimized out>, kernel=<optimized out>) at
arch/powerpc/mm/pgtable-frag.c:106
#17 0xc0024034 in pte_alloc_one_kernel (mm=<optimized out>) at
./arch/powerpc/include/asm/pgalloc.h:27
#18 kasan_init_shadow_page_tables (k_start=0xf8400000, k_end=<optimized out>)
at arch/powerpc/mm/kasan/kasan_init_32.c:38
#19 0xc0c92734 in kasan_mmu_init () at
arch/powerpc/mm/kasan/kasan_init_32.c:104
#20 0xc0c91560 in MMU_init () at arch/powerpc/mm/init_32.c:178
#21 0xc000354c in start_here () at arch/powerpc/kernel/head_32.S:899
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* Re: [PATCH 1/3] powerpc/spinlocks: Refactor SHARED_PROCESSOR
From: Christopher M Riedl @ 2019-07-31 2:36 UTC (permalink / raw)
To: Thiago Jung Bauermann; +Cc: linuxppc-dev, linuxppc-dev, ajd
In-Reply-To: <87d0hrukom.fsf@morokweng.localdomain>
> On July 30, 2019 at 7:11 PM Thiago Jung Bauermann <bauerman@linux.ibm.com> wrote:
>
>
>
> Christopher M Riedl <cmr@informatik.wtf> writes:
>
> >> On July 30, 2019 at 4:31 PM Thiago Jung Bauermann <bauerman@linux.ibm.com> wrote:
> >>
> >>
> >>
> >> Christopher M. Riedl <cmr@informatik.wtf> writes:
> >>
> >> > Determining if a processor is in shared processor mode is not a constant
> >> > so don't hide it behind a #define.
> >> >
> >> > Signed-off-by: Christopher M. Riedl <cmr@informatik.wtf>
> >> > ---
> >> > arch/powerpc/include/asm/spinlock.h | 21 +++++++++++++++------
> >> > 1 file changed, 15 insertions(+), 6 deletions(-)
> >> >
> >> > diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
> >> > index a47f827bc5f1..8631b0b4e109 100644
> >> > --- a/arch/powerpc/include/asm/spinlock.h
> >> > +++ b/arch/powerpc/include/asm/spinlock.h
> >> > @@ -101,15 +101,24 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
> >> >
> >> > #if defined(CONFIG_PPC_SPLPAR)
> >> > /* We only yield to the hypervisor if we are in shared processor mode */
> >> > -#define SHARED_PROCESSOR (lppaca_shared_proc(local_paca->lppaca_ptr))
> >> > extern void __spin_yield(arch_spinlock_t *lock);
> >> > extern void __rw_yield(arch_rwlock_t *lock);
> >> > #else /* SPLPAR */
> >> > #define __spin_yield(x) barrier()
> >> > #define __rw_yield(x) barrier()
> >> > -#define SHARED_PROCESSOR 0
> >> > #endif
> >> >
> >> > +static inline bool is_shared_processor(void)
> >> > +{
> >> > +/* Only server processors have an lppaca struct */
> >> > +#ifdef CONFIG_PPC_BOOK3S
> >> > + return (IS_ENABLED(CONFIG_PPC_SPLPAR) &&
> >> > + lppaca_shared_proc(local_paca->lppaca_ptr));
> >> > +#else
> >> > + return false;
> >> > +#endif
> >> > +}
> >> > +
> >>
> >> CONFIG_PPC_SPLPAR depends on CONFIG_PPC_PSERIES, which depends on
> >> CONFIG_PPC_BOOK3S so the #ifdef above is unnecessary:
> >>
> >> if CONFIG_PPC_BOOK3S is unset then CONFIG_PPC_SPLPAR will be unset as
> >> well and the return expression should short-circuit to false.
> >>
> >
> > Agreed, but the #ifdef is necessary to compile platforms which include
> > this header but do not implement lppaca_shared_proc(...) and friends.
> > I can reword the comment if that helps.
>
> Ah, indeed. Yes, if you could mention that in the commit I think it
> would help. These #ifdefs are becoming démodé so it's good to know why
> they're there.
>
> Another alternative is to provide a dummy lppaca_shared_proc() which
> always returns false when CONFIG_PPC_BOOK3S isn't set (just mentioning
> it, I don't have a preference).
>
Yeah, I tried that first, but the declaration and definition for lppaca_shared_proc()
and arguments are nested within several includes and arch/platform #ifdefs that I
decided the #ifdef in is_shared_processor() is simpler.
I am not sure if unraveling all that makes sense for implementing this fix, maybe
someone can convince me hah.
In any case, next version will have an improved commit message and comment.
> --
> Thiago Jung Bauermann
> IBM Linux Technology Center
^ permalink raw reply
* Re: [PATCH v2 07/10] powerpc/fsl_booke/32: randomize the kernel image offset
From: Jason Yan @ 2019-07-31 2:06 UTC (permalink / raw)
To: Christophe Leroy, mpe, linuxppc-dev, diana.craciun, benh, paulus,
npiggin, keescook, kernel-hardening
Cc: wangkefeng.wang, linux-kernel, jingxiangfeng, zhaohongjiang,
thunder.leizhen, fanchengyang, yebin10
In-Reply-To: <b41c4650-ef30-6f02-d5b3-bc95c5ad3ce0@c-s.fr>
On 2019/7/30 17:44, Christophe Leroy wrote:
>
>
> Le 30/07/2019 à 09:42, Jason Yan a écrit :
>> After we have the basic support of relocate the kernel in some
>> appropriate place, we can start to randomize the offset now.
>>
>> Entropy is derived from the banner and timer, which will change every
>> build and boot. This not so much safe so additionally the bootloader may
>> pass entropy via the /chosen/kaslr-seed node in device tree.
>>
>> We will use the first 512M of the low memory to randomize the kernel
>> image. The memory will be split in 64M zones. We will use the lower 8
>> bit of the entropy to decide the index of the 64M zone. Then we chose a
>> 16K aligned offset inside the 64M zone to put the kernel in.
>>
>> KERNELBASE
>>
>> |--> 64M <--|
>> | |
>> +---------------+ +----------------+---------------+
>> | |....| |kernel| | |
>> +---------------+ +----------------+---------------+
>> | |
>> |-----> offset <-----|
>>
>> kimage_vaddr
>>
>> We also check if we will overlap with some areas like the dtb area, the
>> initrd area or the crashkernel area. If we cannot find a proper area,
>> kaslr will be disabled and boot from the original kernel.
>>
>> Signed-off-by: Jason Yan <yanaijie@huawei.com>
>> Cc: Diana Craciun <diana.craciun@nxp.com>
>> Cc: Michael Ellerman <mpe@ellerman.id.au>
>> Cc: Christophe Leroy <christophe.leroy@c-s.fr>
>> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>> Cc: Paul Mackerras <paulus@samba.org>
>> Cc: Nicholas Piggin <npiggin@gmail.com>
>> Cc: Kees Cook <keescook@chromium.org>
>> ---
>> arch/powerpc/kernel/kaslr_booke.c | 334 +++++++++++++++++++++++++++++-
>> 1 file changed, 332 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/powerpc/kernel/kaslr_booke.c
>> b/arch/powerpc/kernel/kaslr_booke.c
>> index 960bce4aa8b9..0bb02e45b928 100644
>> --- a/arch/powerpc/kernel/kaslr_booke.c
>> +++ b/arch/powerpc/kernel/kaslr_booke.c
>> @@ -23,6 +23,8 @@
>> #include <linux/delay.h>
>> #include <linux/highmem.h>
>> #include <linux/memblock.h>
>> +#include <linux/libfdt.h>
>> +#include <linux/crash_core.h>
>> #include <asm/pgalloc.h>
>> #include <asm/prom.h>
>> #include <asm/io.h>
>> @@ -34,15 +36,341 @@
>> #include <asm/machdep.h>
>> #include <asm/setup.h>
>> #include <asm/paca.h>
>> +#include <asm/kdump.h>
>> #include <mm/mmu_decl.h>
>> +#include <generated/compile.h>
>> +#include <generated/utsrelease.h>
>> +
>> +#ifdef DEBUG
>> +#define DBG(fmt...) printk(KERN_ERR fmt)
>> +#else
>> +#define DBG(fmt...)
>> +#endif
>> +
>> +struct regions {
>> + unsigned long pa_start;
>> + unsigned long pa_end;
>> + unsigned long kernel_size;
>> + unsigned long dtb_start;
>> + unsigned long dtb_end;
>> + unsigned long initrd_start;
>> + unsigned long initrd_end;
>> + unsigned long crash_start;
>> + unsigned long crash_end;
>> + int reserved_mem;
>> + int reserved_mem_addr_cells;
>> + int reserved_mem_size_cells;
>> +};
>> extern int is_second_reloc;
>> +/* Simplified build-specific string for starting entropy. */
>> +static const char build_str[] = UTS_RELEASE " (" LINUX_COMPILE_BY "@"
>> + LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION;
>> +
>> +static __init void kaslr_get_cmdline(void *fdt)
>> +{
>> + const char *cmdline = CONFIG_CMDLINE;
>> + if (!IS_ENABLED(CONFIG_CMDLINE_FORCE)) {
>> + int node;
>> + const u8 *prop;
>> + node = fdt_path_offset(fdt, "/chosen");
>> + if (node < 0)
>> + goto out;
>> +
>> + prop = fdt_getprop(fdt, node, "bootargs", NULL);
>> + if (!prop)
>> + goto out;
>> + cmdline = prop;
>> + }
>> +out:
>> + strscpy(boot_command_line, cmdline, COMMAND_LINE_SIZE);
>
> boot_command_line is set by early_init_devtree() in
> arch/powerpc/kernel/prom.c
> Is that too late for you ?
>
Yes, it's too late.
> If so, what about calling early_init_dt_scan_chosen() instead of recoding ?
>
Good suggestion. I will have a try.
> Christophe
>
> .
>
^ permalink raw reply
* Re: [PATCH v2 06/10] powerpc/fsl_booke/32: implement KASLR infrastructure
From: Jason Yan @ 2019-07-31 2:03 UTC (permalink / raw)
To: Christophe Leroy, mpe, linuxppc-dev, diana.craciun, benh, paulus,
npiggin, keescook, kernel-hardening
Cc: wangkefeng.wang, linux-kernel, jingxiangfeng, zhaohongjiang,
thunder.leizhen, fanchengyang, yebin10
In-Reply-To: <b2fbc322-5276-364c-1f61-4d1db98c3696@c-s.fr>
On 2019/7/30 17:34, Christophe Leroy wrote:
>
>
> Le 30/07/2019 à 09:42, Jason Yan a écrit :
>> This patch add support to boot kernel from places other than KERNELBASE.
>> Since CONFIG_RELOCATABLE has already supported, what we need to do is
>> map or copy kernel to a proper place and relocate. Freescale Book-E
>> parts expect lowmem to be mapped by fixed TLB entries(TLB1). The TLB1
>> entries are not suitable to map the kernel directly in a randomized
>> region, so we chose to copy the kernel to a proper place and restart to
>> relocate.
>>
>> The offset of the kernel was not randomized yet(a fixed 64M is set). We
>> will randomize it in the next patch.
>>
>> Signed-off-by: Jason Yan <yanaijie@huawei.com>
>> Cc: Diana Craciun <diana.craciun@nxp.com>
>> Cc: Michael Ellerman <mpe@ellerman.id.au>
>> Cc: Christophe Leroy <christophe.leroy@c-s.fr>
>> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>> Cc: Paul Mackerras <paulus@samba.org>
>> Cc: Nicholas Piggin <npiggin@gmail.com>
>> Cc: Kees Cook <keescook@chromium.org>
>> ---
>> arch/powerpc/Kconfig | 11 +++
>> arch/powerpc/kernel/Makefile | 1 +
>> arch/powerpc/kernel/early_32.c | 2 +-
>> arch/powerpc/kernel/fsl_booke_entry_mapping.S | 13 ++-
>> arch/powerpc/kernel/head_fsl_booke.S | 15 +++-
>> arch/powerpc/kernel/kaslr_booke.c | 84 +++++++++++++++++++
>> arch/powerpc/mm/mmu_decl.h | 6 ++
>> arch/powerpc/mm/nohash/fsl_booke.c | 7 +-
>> 8 files changed, 126 insertions(+), 13 deletions(-)
>> create mode 100644 arch/powerpc/kernel/kaslr_booke.c
>>
>
> [...]
>
>> diff --git a/arch/powerpc/kernel/head_fsl_booke.S
>> b/arch/powerpc/kernel/head_fsl_booke.S
>> index 2083382dd662..a466c0f0d028 100644
>> --- a/arch/powerpc/kernel/head_fsl_booke.S
>> +++ b/arch/powerpc/kernel/head_fsl_booke.S
>> @@ -155,6 +155,8 @@ _ENTRY(_start);
>> */
>> _ENTRY(__early_start)
>> + LOAD_REG_ADDR_PIC(r20, kimage_vaddr)
>> + lwz r20,0(r20)
>> #define ENTRY_MAPPING_BOOT_SETUP
>> #include "fsl_booke_entry_mapping.S"
>> @@ -277,8 +279,8 @@ set_ivor:
>> ori r6, r6, swapper_pg_dir@l
>> lis r5, abatron_pteptrs@h
>> ori r5, r5, abatron_pteptrs@l
>> - lis r4, KERNELBASE@h
>> - ori r4, r4, KERNELBASE@l
>> + lis r3, kimage_vaddr@ha
>> + lwz r4, kimage_vaddr@l(r3)
>> stw r5, 0(r4) /* Save abatron_pteptrs at a fixed location */
>> stw r6, 0(r5)
>> @@ -1067,7 +1069,14 @@ __secondary_start:
>> mr r5,r25 /* phys kernel start */
>> rlwinm r5,r5,0,~0x3ffffff /* aligned 64M */
>> subf r4,r5,r4 /* memstart_addr - phys kernel start */
>> - li r5,0 /* no device tree */
>> +#ifdef CONFIG_RANDOMIZE_BASE
>
> Is that #ifdef really necessary ? Wouldn't it also work as expected when
> CONFIG_RANDOMIZE_BASE is not selected ?
>
Yes, it will also work if CONFIG_RANDOMIZE_BASE is not enabled. I can
remove it.
>> + lis r7,KERNELBASE@h
>> + ori r7,r7,KERNELBASE@l
>> + cmpw r20,r7 /* if kimage_vaddr != KERNELBASE,
>> randomized */
>> + beq 2f
>> + li r4,0
>> +#endif
>> +2: li r5,0 /* no device tree */
>> li r6,0 /* not boot cpu */
>> bl restore_to_as0
>> diff --git a/arch/powerpc/kernel/kaslr_booke.c
>> b/arch/powerpc/kernel/kaslr_booke.c
>> new file mode 100644
>> index 000000000000..960bce4aa8b9
>> --- /dev/null
>> +++ b/arch/powerpc/kernel/kaslr_booke.c
>> @@ -0,0 +1,84 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>> +/*
>> + * Copyright (C) 2019 Jason Yan <yanaijie@huawei.com>
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 as
>> + * published by the Free Software Foundation.
>> + */
>> +
>> +#include <linux/signal.h>
>> +#include <linux/sched.h>
>> +#include <linux/kernel.h>
>> +#include <linux/errno.h>
>> +#include <linux/string.h>
>> +#include <linux/types.h>
>> +#include <linux/ptrace.h>
>> +#include <linux/mman.h>
>> +#include <linux/mm.h>
>> +#include <linux/swap.h>
>> +#include <linux/stddef.h>
>> +#include <linux/vmalloc.h>
>> +#include <linux/init.h>
>> +#include <linux/delay.h>
>> +#include <linux/highmem.h>
>> +#include <linux/memblock.h>
>> +#include <asm/pgalloc.h>
>> +#include <asm/prom.h>
>> +#include <asm/io.h>
>> +#include <asm/mmu_context.h>
>> +#include <asm/pgtable.h>
>> +#include <asm/mmu.h>
>> +#include <linux/uaccess.h>
>> +#include <asm/smp.h>
>> +#include <asm/machdep.h>
>> +#include <asm/setup.h>
>> +#include <asm/paca.h>
>> +#include <mm/mmu_decl.h>
>> +
>> +extern int is_second_reloc;
>
> Couldn't the above be a bool ?
>
This variable is both used in C and assembly. Use int make it more
explicit to compare it with 0 or 1 in assembly.
>> +
>> +static unsigned long __init kaslr_choose_location(void *dt_ptr,
>> phys_addr_t size,
>> + unsigned long kernel_sz)
>> +{
>> + /* return a fixed offset of 64M for now */
>> + return 0x4000000;
>
> 64 << 20 would maybe be more explicit than 0x4000000.
>
> Or return SZ_64M ?
>
SZ_64M would be good.
> Christophe
>
>> +}
>> +
>> +/*
>> + * To see if we need to relocate the kernel to a random offset
>> + * void *dt_ptr - address of the device tree
>> + * phys_addr_t size - size of the first memory block
>> + */
>> +notrace void __init kaslr_early_init(void *dt_ptr, phys_addr_t size)
>> +{
>> + unsigned long tlb_virt;
>> + phys_addr_t tlb_phys;
>> + unsigned long offset;
>> + unsigned long kernel_sz;
>> +
>> + kernel_sz = (unsigned long)_end - KERNELBASE;
>> +
>> + offset = kaslr_choose_location(dt_ptr, size, kernel_sz);
>> +
>> + if (offset == 0)
>> + return;
>> +
>> + kimage_vaddr += offset;
>> + kernstart_addr += offset;
>> +
>> + is_second_reloc = 1;
>> +
>> + if (offset >= SZ_64M) {
>> + tlb_virt = round_down(kimage_vaddr, SZ_64M);
>> + tlb_phys = round_down(kernstart_addr, SZ_64M);
>> +
>> + /* Create kernel map to relocate in */
>> + create_tlb_entry(tlb_phys, tlb_virt, 1);
>> + }
>> +
>> + /* Copy the kernel to it's new location and run */
>> + memcpy((void *)kimage_vaddr, (void *)KERNELBASE, kernel_sz);
>> +
>> + reloc_kernel_entry(dt_ptr, kimage_vaddr);
>> +}
>> diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
>> index 804da298beb3..9332772c8a66 100644
>> --- a/arch/powerpc/mm/mmu_decl.h
>> +++ b/arch/powerpc/mm/mmu_decl.h
>> @@ -148,6 +148,12 @@ void reloc_kernel_entry(void *fdt, int addr);
>> extern void loadcam_entry(unsigned int index);
>> extern void loadcam_multi(int first_idx, int num, int tmp_idx);
>> +#ifdef CONFIG_RANDOMIZE_BASE
>> +void kaslr_early_init(void *dt_ptr, phys_addr_t size);
>> +#else
>> +static inline void kaslr_early_init(void *dt_ptr, phys_addr_t size) {}
>> +#endif
>> +
>> struct tlbcam {
>> u32 MAS0;
>> u32 MAS1;
>> diff --git a/arch/powerpc/mm/nohash/fsl_booke.c
>> b/arch/powerpc/mm/nohash/fsl_booke.c
>> index 556e3cd52a35..8d25a8dc965f 100644
>> --- a/arch/powerpc/mm/nohash/fsl_booke.c
>> +++ b/arch/powerpc/mm/nohash/fsl_booke.c
>> @@ -263,7 +263,8 @@ void setup_initial_memory_limit(phys_addr_t
>> first_memblock_base,
>> int __initdata is_second_reloc;
>> notrace void __init relocate_init(u64 dt_ptr, phys_addr_t start)
>> {
>> - unsigned long base = KERNELBASE;
>> + unsigned long base = kimage_vaddr;
>> + phys_addr_t size;
>> kernstart_addr = start;
>> if (is_second_reloc) {
>> @@ -291,7 +292,7 @@ notrace void __init relocate_init(u64 dt_ptr,
>> phys_addr_t start)
>> start &= ~0x3ffffff;
>> base &= ~0x3ffffff;
>> virt_phys_offset = base - start;
>> - early_get_first_memblock_info(__va(dt_ptr), NULL);
>> + early_get_first_memblock_info(__va(dt_ptr), &size);
>> /*
>> * We now get the memstart_addr, then we should check if this
>> * address is the same as what the PAGE_OFFSET map to now. If
>> @@ -316,6 +317,8 @@ notrace void __init relocate_init(u64 dt_ptr,
>> phys_addr_t start)
>> /* We should never reach here */
>> panic("Relocation error");
>> }
>> +
>> + kaslr_early_init(__va(dt_ptr), size);
>> }
>> #endif
>> #endif
>>
>
> .
>
^ permalink raw reply
* Re: [PATCH v2 5/5] powerpc/configs: Disable SCOM_DEBUGFS in powernv_defconfig
From: Andrew Donnellan @ 2019-07-31 1:45 UTC (permalink / raw)
To: Nicholas Piggin, linuxppc-dev
In-Reply-To: <316fb28d-b18b-c236-3063-27837b53e0d3@linux.ibm.com>
On 9/5/19 3:54 pm, Andrew Donnellan wrote:
> On 9/5/19 3:37 pm, Nicholas Piggin wrote:
>> Andrew Donnellan's on May 9, 2019 3:11 pm:
>>> SCOM_DEBUGFS is really not needed for anything other than low-level
>>> hardware debugging.
>>>
>>> opal-prd uses its own interface (/dev/prd) for SCOM access, so it
>>> doesn't
>>> need SCOM_DEBUGFS.
>>>
>>> At some point in the future we'll introduce a debug config fragment
>>> where
>>> this can go instead.
>>
>> That doesn't really explain why you want to disable it. It is useful
>> for low level hardware debugging, I added it.
>>
>> obscurity^Wsecurity?
>
> Mostly just a general feeling that it's not something we need to have by
> default. Security-wise, PRD still provides SCOM access, though we are
> going to look at how we can further lock that down. Shrinks the build by
> only a few kilobytes...
>
> mpe said he's planning on adding a debug.config where we can shift stuff
> like this, and if/when we do that I would like to see this moved there,
> but perhaps this patch can wait until then. I'll let mpe decide.
>
mpe do you have thoughts on this? I would like to see at least the rest
of this series merged.
Andrew
>
> Andrew
>
>
>>
>>>
>>> Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
>>> ---
>>> v1->v2:
>>> - new patch
>>> ---
>>> arch/powerpc/configs/powernv_defconfig | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/arch/powerpc/configs/powernv_defconfig
>>> b/arch/powerpc/configs/powernv_defconfig
>>> index ef2ef98d3f28..d5a6608cb2e0 100644
>>> --- a/arch/powerpc/configs/powernv_defconfig
>>> +++ b/arch/powerpc/configs/powernv_defconfig
>>> @@ -38,7 +38,7 @@ CONFIG_MODULE_UNLOAD=y
>>> CONFIG_MODVERSIONS=y
>>> CONFIG_MODULE_SRCVERSION_ALL=y
>>> CONFIG_PARTITION_ADVANCED=y
>>> -CONFIG_SCOM_DEBUGFS=y
>>> +# CONFIG_SCOM_DEBUGFS is not set
>>> CONFIG_OPAL_PRD=y
>>> CONFIG_PPC_MEMTRACE=y
>>> # CONFIG_PPC_PSERIES is not set
>>> --
>>> 2.20.1
>>>
>>>
>>
>
--
Andrew Donnellan OzLabs, ADL Canberra
ajd@linux.ibm.com IBM Australia Limited
^ permalink raw reply
* Re: [PATCH v2] powerpc/powernv: Restrict OPAL symbol map to only be readable by root
From: Andrew Donnellan @ 2019-07-31 1:44 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Jordan Niethe, Stewart Smith, stable
In-Reply-To: <20190503075253.22798-1-ajd@linux.ibm.com>
On 3/5/19 5:52 pm, Andrew Donnellan wrote:
> Currently the OPAL symbol map is globally readable, which seems bad as it
> contains physical addresses.
>
> Restrict it to root.
>
> Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Jordan Niethe <jniethe5@gmail.com>
> Cc: Stewart Smith <stewart@linux.ibm.com>
> Fixes: c8742f85125d ("powerpc/powernv: Expose OPAL firmware symbol map")
> Cc: stable@vger.kernel.org
> Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
mpe: ping?
>
> ---
>
> v1->v2:
>
> - fix tabs vs spaces (Greg)
> ---
> arch/powerpc/platforms/powernv/opal.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
> index 2b0eca104f86..0582a02623d0 100644
> --- a/arch/powerpc/platforms/powernv/opal.c
> +++ b/arch/powerpc/platforms/powernv/opal.c
> @@ -681,7 +681,10 @@ static ssize_t symbol_map_read(struct file *fp, struct kobject *kobj,
> bin_attr->size);
> }
>
> -static BIN_ATTR_RO(symbol_map, 0);
> +static struct bin_attribute symbol_map_attr = {
> + .attr = {.name = "symbol_map", .mode = 0400},
> + .read = symbol_map_read
> +};
>
> static void opal_export_symmap(void)
> {
> @@ -698,10 +701,10 @@ static void opal_export_symmap(void)
> return;
>
> /* Setup attributes */
> - bin_attr_symbol_map.private = __va(be64_to_cpu(syms[0]));
> - bin_attr_symbol_map.size = be64_to_cpu(syms[1]);
> + symbol_map_attr.private = __va(be64_to_cpu(syms[0]));
> + symbol_map_attr.size = be64_to_cpu(syms[1]);
>
> - rc = sysfs_create_bin_file(opal_kobj, &bin_attr_symbol_map);
> + rc = sysfs_create_bin_file(opal_kobj, &symbol_map_attr);
> if (rc)
> pr_warn("Error %d creating OPAL symbols file\n", rc);
> }
>
--
Andrew Donnellan OzLabs, ADL Canberra
ajd@linux.ibm.com IBM Australia Limited
^ permalink raw reply
* Re: [PATCH] scsi: ibmvfc: Mark expected switch fall-throughs
From: Tyrel Datwyler @ 2019-07-31 1:41 UTC (permalink / raw)
To: Gustavo A. R. Silva, Benjamin Herrenschmidt, Paul Mackerras,
Michael Ellerman, James E.J. Bottomley, Martin K. Petersen
Cc: Stephen Rothwell, linuxppc-dev, linux-kernel, linux-scsi,
Kees Cook
In-Reply-To: <20190729002608.GA25263@embeddedor>
On 7/28/19 5:26 PM, Gustavo A. R. Silva wrote:
> Mark switch cases where we are expecting to fall through.
>
> This patch fixes the following warnings:
>
> drivers/scsi/ibmvscsi/ibmvfc.c: In function 'ibmvfc_npiv_login_done':
> drivers/scsi/ibmvscsi/ibmvfc.c:4022:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
> ibmvfc_retry_host_init(vhost);
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/scsi/ibmvscsi/ibmvfc.c:4023:2: note: here
> case IBMVFC_MAD_DRIVER_FAILED:
> ^~~~
> drivers/scsi/ibmvscsi/ibmvfc.c: In function 'ibmvfc_bsg_request':
> drivers/scsi/ibmvscsi/ibmvfc.c:1830:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
> port_id = (bsg_request->rqst_data.h_els.port_id[0] << 16) |
> ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> (bsg_request->rqst_data.h_els.port_id[1] << 8) |
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> bsg_request->rqst_data.h_els.port_id[2];
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/scsi/ibmvscsi/ibmvfc.c:1833:2: note: here
> case FC_BSG_RPT_ELS:
> ^~~~
> drivers/scsi/ibmvscsi/ibmvfc.c:1838:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
> port_id = (bsg_request->rqst_data.h_ct.port_id[0] << 16) |
> ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> (bsg_request->rqst_data.h_ct.port_id[1] << 8) |
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> bsg_request->rqst_data.h_ct.port_id[2];
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/scsi/ibmvscsi/ibmvfc.c:1841:2: note: here
> case FC_BSG_RPT_CT:
> ^~~~
>
> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---
Acked-by: Tyrel Datwyler <tyreld@linux.ibm.com>
^ permalink raw reply
* Re: [PATCH 1/3] powerpc/spinlocks: Refactor SHARED_PROCESSOR
From: Thiago Jung Bauermann @ 2019-07-31 0:11 UTC (permalink / raw)
To: Christopher M Riedl; +Cc: linuxppc-dev, linuxppc-dev, ajd
In-Reply-To: <1271264633.409807.1564529492813@privateemail.com>
Christopher M Riedl <cmr@informatik.wtf> writes:
>> On July 30, 2019 at 4:31 PM Thiago Jung Bauermann <bauerman@linux.ibm.com> wrote:
>>
>>
>>
>> Christopher M. Riedl <cmr@informatik.wtf> writes:
>>
>> > Determining if a processor is in shared processor mode is not a constant
>> > so don't hide it behind a #define.
>> >
>> > Signed-off-by: Christopher M. Riedl <cmr@informatik.wtf>
>> > ---
>> > arch/powerpc/include/asm/spinlock.h | 21 +++++++++++++++------
>> > 1 file changed, 15 insertions(+), 6 deletions(-)
>> >
>> > diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
>> > index a47f827bc5f1..8631b0b4e109 100644
>> > --- a/arch/powerpc/include/asm/spinlock.h
>> > +++ b/arch/powerpc/include/asm/spinlock.h
>> > @@ -101,15 +101,24 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
>> >
>> > #if defined(CONFIG_PPC_SPLPAR)
>> > /* We only yield to the hypervisor if we are in shared processor mode */
>> > -#define SHARED_PROCESSOR (lppaca_shared_proc(local_paca->lppaca_ptr))
>> > extern void __spin_yield(arch_spinlock_t *lock);
>> > extern void __rw_yield(arch_rwlock_t *lock);
>> > #else /* SPLPAR */
>> > #define __spin_yield(x) barrier()
>> > #define __rw_yield(x) barrier()
>> > -#define SHARED_PROCESSOR 0
>> > #endif
>> >
>> > +static inline bool is_shared_processor(void)
>> > +{
>> > +/* Only server processors have an lppaca struct */
>> > +#ifdef CONFIG_PPC_BOOK3S
>> > + return (IS_ENABLED(CONFIG_PPC_SPLPAR) &&
>> > + lppaca_shared_proc(local_paca->lppaca_ptr));
>> > +#else
>> > + return false;
>> > +#endif
>> > +}
>> > +
>>
>> CONFIG_PPC_SPLPAR depends on CONFIG_PPC_PSERIES, which depends on
>> CONFIG_PPC_BOOK3S so the #ifdef above is unnecessary:
>>
>> if CONFIG_PPC_BOOK3S is unset then CONFIG_PPC_SPLPAR will be unset as
>> well and the return expression should short-circuit to false.
>>
>
> Agreed, but the #ifdef is necessary to compile platforms which include
> this header but do not implement lppaca_shared_proc(...) and friends.
> I can reword the comment if that helps.
Ah, indeed. Yes, if you could mention that in the commit I think it
would help. These #ifdefs are becoming démodé so it's good to know why
they're there.
Another alternative is to provide a dummy lppaca_shared_proc() which
always returns false when CONFIG_PPC_BOOK3S isn't set (just mentioning
it, I don't have a preference).
--
Thiago Jung Bauermann
IBM Linux Technology Center
^ permalink raw reply
* Re: [PATCH 1/3] powerpc/spinlocks: Refactor SHARED_PROCESSOR
From: Christopher M Riedl @ 2019-07-30 23:31 UTC (permalink / raw)
To: Thiago Jung Bauermann, linuxppc-dev; +Cc: linuxppc-dev, ajd
In-Reply-To: <87ef27us38.fsf@morokweng.localdomain>
> On July 30, 2019 at 4:31 PM Thiago Jung Bauermann <bauerman@linux.ibm.com> wrote:
>
>
>
> Christopher M. Riedl <cmr@informatik.wtf> writes:
>
> > Determining if a processor is in shared processor mode is not a constant
> > so don't hide it behind a #define.
> >
> > Signed-off-by: Christopher M. Riedl <cmr@informatik.wtf>
> > ---
> > arch/powerpc/include/asm/spinlock.h | 21 +++++++++++++++------
> > 1 file changed, 15 insertions(+), 6 deletions(-)
> >
> > diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
> > index a47f827bc5f1..8631b0b4e109 100644
> > --- a/arch/powerpc/include/asm/spinlock.h
> > +++ b/arch/powerpc/include/asm/spinlock.h
> > @@ -101,15 +101,24 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
> >
> > #if defined(CONFIG_PPC_SPLPAR)
> > /* We only yield to the hypervisor if we are in shared processor mode */
> > -#define SHARED_PROCESSOR (lppaca_shared_proc(local_paca->lppaca_ptr))
> > extern void __spin_yield(arch_spinlock_t *lock);
> > extern void __rw_yield(arch_rwlock_t *lock);
> > #else /* SPLPAR */
> > #define __spin_yield(x) barrier()
> > #define __rw_yield(x) barrier()
> > -#define SHARED_PROCESSOR 0
> > #endif
> >
> > +static inline bool is_shared_processor(void)
> > +{
> > +/* Only server processors have an lppaca struct */
> > +#ifdef CONFIG_PPC_BOOK3S
> > + return (IS_ENABLED(CONFIG_PPC_SPLPAR) &&
> > + lppaca_shared_proc(local_paca->lppaca_ptr));
> > +#else
> > + return false;
> > +#endif
> > +}
> > +
>
> CONFIG_PPC_SPLPAR depends on CONFIG_PPC_PSERIES, which depends on
> CONFIG_PPC_BOOK3S so the #ifdef above is unnecessary:
>
> if CONFIG_PPC_BOOK3S is unset then CONFIG_PPC_SPLPAR will be unset as
> well and the return expression should short-circuit to false.
>
Agreed, but the #ifdef is necessary to compile platforms which include
this header but do not implement lppaca_shared_proc(...) and friends.
I can reword the comment if that helps.
> --
> Thiago Jung Bauermann
> IBM Linux Technology Center
^ permalink raw reply
* Re: [PATCH v2] powerpc: Wire up clone3 syscall
From: Michael Ellerman @ 2019-07-30 22:50 UTC (permalink / raw)
To: Michael Ellerman, linuxppc-dev; +Cc: asolokha, linux-kernel, christian
In-Reply-To: <20190724140259.23554-1-mpe@ellerman.id.au>
On Wed, 2019-07-24 at 14:02:59 UTC, Michael Ellerman wrote:
> Wire up the new clone3 syscall added in commit 7f192e3cd316 ("fork:
> add clone3").
>
> This requires a ppc_clone3 wrapper, in order to save the non-volatile
> GPRs before calling into the generic syscall code. Otherwise we hit
> the BUG_ON in CHECK_FULL_REGS in copy_thread().
>
> Lightly tested using Christian's test code on a Power8 LE VM.
>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Applied to powerpc fixes.
https://git.kernel.org/powerpc/c/cee3536d24a1d5db66b9f68c3ece0af128187ab4
cheers
^ permalink raw reply
* Re: [PATCH v3] powerpc/nvdimm: Pick nearby online node if the device node is not online
From: Michael Ellerman @ 2019-07-30 22:50 UTC (permalink / raw)
To: Aneesh Kumar K.V, npiggin, paulus, Oliver O'Halloran
Cc: Aneesh Kumar K.V, linuxppc-dev
In-Reply-To: <20190729095128.23707-1-aneesh.kumar@linux.ibm.com>
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain, Size: 3348 bytes --]
On Mon, 2019-07-29 at 09:51:28 UTC, "Aneesh Kumar K.V" wrote:
> Currently, nvdimm subsystem expects the device numa node for SCM device to be
> an online node. It also doesn't try to bring the device numa node online. Hence
> if we use a non-online numa node as device node we hit crashes like below. This
> is because we try to access uninitialized NODE_DATA in different code paths.
>
> cpu 0x0: Vector: 300 (Data Access) at [c0000000fac53170]
> pc: c0000000004bbc50: ___slab_alloc+0x120/0xca0
> lr: c0000000004bc834: __slab_alloc+0x64/0xc0
> sp: c0000000fac53400
> msr: 8000000002009033
> dar: 73e8
> dsisr: 80000
> current = 0xc0000000fabb6d80
> paca = 0xc000000003870000 irqmask: 0x03 irq_happened: 0x01
> pid = 7, comm = kworker/u16:0
> Linux version 5.2.0-06234-g76bd729b2644 (kvaneesh@ltc-boston123) (gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1)) #135 SMP Thu Jul 11 05:36:30 CDT 2019
> enter ? for help
> [link register ] c0000000004bc834 __slab_alloc+0x64/0xc0
> [c0000000fac53400] c0000000fac53480 (unreliable)
> [c0000000fac53500] c0000000004bc818 __slab_alloc+0x48/0xc0
> [c0000000fac53560] c0000000004c30a0 __kmalloc_node_track_caller+0x3c0/0x6b0
> [c0000000fac535d0] c000000000cfafe4 devm_kmalloc+0x74/0xc0
> [c0000000fac53600] c000000000d69434 nd_region_activate+0x144/0x560
> [c0000000fac536d0] c000000000d6b19c nd_region_probe+0x17c/0x370
> [c0000000fac537b0] c000000000d6349c nvdimm_bus_probe+0x10c/0x230
> [c0000000fac53840] c000000000cf3cc4 really_probe+0x254/0x4e0
> [c0000000fac538d0] c000000000cf429c driver_probe_device+0x16c/0x1e0
> [c0000000fac53950] c000000000cf0b44 bus_for_each_drv+0x94/0x130
> [c0000000fac539b0] c000000000cf392c __device_attach+0xdc/0x200
> [c0000000fac53a50] c000000000cf231c bus_probe_device+0x4c/0xf0
> [c0000000fac53a90] c000000000ced268 device_add+0x528/0x810
> [c0000000fac53b60] c000000000d62a58 nd_async_device_register+0x28/0xa0
> [c0000000fac53bd0] c0000000001ccb8c async_run_entry_fn+0xcc/0x1f0
> [c0000000fac53c50] c0000000001bcd9c process_one_work+0x46c/0x860
> [c0000000fac53d20] c0000000001bd4f4 worker_thread+0x364/0x5f0
> [c0000000fac53db0] c0000000001c7260 kthread+0x1b0/0x1c0
> [c0000000fac53e20] c00000000000b954 ret_from_kernel_thread+0x5c/0x68
>
> The patch tries to fix this by picking the nearest online node as the SCM node.
> This does have a problem of us losing the information that SCM node is
> equidistant from two other online nodes. If applications need to understand these
> fine-grained details we should express then like x86 does via
> /sys/devices/system/node/nodeX/accessY/initiators/
>
> With the patch we get
>
> # numactl -H
> available: 2 nodes (0-1)
> node 0 cpus:
> node 0 size: 0 MB
> node 0 free: 0 MB
> node 1 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
> node 1 size: 130865 MB
> node 1 free: 129130 MB
> node distances:
> node 0 1
> 0: 10 20
> 1: 20 10
> # cat /sys/bus/nd/devices/region0/numa_node
> 0
> # dmesg | grep papr_scm
> [ 91.332305] papr_scm ibm,persistent-memory:ibm,pmemory@44104001: Region registered with target node 2 and online node 0
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/da1115fdbd6e86c62185cdd2b4bf7add39f2f82b
cheers
^ permalink raw reply
* Re: [PATCH] powerpc/kvm: Fall through switch case explicitly
From: Michael Ellerman @ 2019-07-30 22:50 UTC (permalink / raw)
To: Santosh Sivaraj, linuxppc-dev
In-Reply-To: <20190729055536.25591-1-santosh@fossix.org>
On Mon, 2019-07-29 at 05:55:36 UTC, Santosh Sivaraj wrote:
> Implicit fallthrough warning was enabled globally which broke
> the build. Make it explicit with a `fall through` comment.
>
> Signed-off-by: Santosh Sivaraj <santosh@fossix.org>
> Reviewed-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Reviewed-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/705d0abbcc7adf04743d04ea8754acbcdf21c326
cheers
^ permalink raw reply
* Re: [PATCH 1/3] powerpc/spinlocks: Refactor SHARED_PROCESSOR
From: Thiago Jung Bauermann @ 2019-07-30 21:31 UTC (permalink / raw)
To: linuxppc-dev; +Cc: linuxppc-dev, Christopher M. Riedl, ajd
In-Reply-To: <20190728125438.1550-2-cmr@informatik.wtf>
Christopher M. Riedl <cmr@informatik.wtf> writes:
> Determining if a processor is in shared processor mode is not a constant
> so don't hide it behind a #define.
>
> Signed-off-by: Christopher M. Riedl <cmr@informatik.wtf>
> ---
> arch/powerpc/include/asm/spinlock.h | 21 +++++++++++++++------
> 1 file changed, 15 insertions(+), 6 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
> index a47f827bc5f1..8631b0b4e109 100644
> --- a/arch/powerpc/include/asm/spinlock.h
> +++ b/arch/powerpc/include/asm/spinlock.h
> @@ -101,15 +101,24 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
>
> #if defined(CONFIG_PPC_SPLPAR)
> /* We only yield to the hypervisor if we are in shared processor mode */
> -#define SHARED_PROCESSOR (lppaca_shared_proc(local_paca->lppaca_ptr))
> extern void __spin_yield(arch_spinlock_t *lock);
> extern void __rw_yield(arch_rwlock_t *lock);
> #else /* SPLPAR */
> #define __spin_yield(x) barrier()
> #define __rw_yield(x) barrier()
> -#define SHARED_PROCESSOR 0
> #endif
>
> +static inline bool is_shared_processor(void)
> +{
> +/* Only server processors have an lppaca struct */
> +#ifdef CONFIG_PPC_BOOK3S
> + return (IS_ENABLED(CONFIG_PPC_SPLPAR) &&
> + lppaca_shared_proc(local_paca->lppaca_ptr));
> +#else
> + return false;
> +#endif
> +}
> +
CONFIG_PPC_SPLPAR depends on CONFIG_PPC_PSERIES, which depends on
CONFIG_PPC_BOOK3S so the #ifdef above is unnecessary:
if CONFIG_PPC_BOOK3S is unset then CONFIG_PPC_SPLPAR will be unset as
well and the return expression should short-circuit to false.
--
Thiago Jung Bauermann
IBM Linux Technology Center
^ permalink raw reply
* Re: [PATCH] powerpc: Support CMDLINE_EXTEND
From: Chris Packham @ 2019-07-30 21:10 UTC (permalink / raw)
To: christophe.leroy@c-s.fr, paulus@samba.org, mpe@ellerman.id.au,
benh@kernel.crashing.org
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
In-Reply-To: <59674457-eda5-fe3b-65e0-29c20102fe4d@c-s.fr>
Hi Christophe,
On Tue, 2019-07-30 at 09:02 +0200, Christophe Leroy wrote:
>
> Le 24/07/2019 à 07:33, Chris Packham a écrit :
> >
> > Device tree aware platforms can make use of CMDLINE_EXTEND to
> > extend the
> > kernel command line provided by the bootloader. This is
> > particularly
> > useful to set parameters for built-in modules that would otherwise
> > be
> > done at module insertion. Add support for this in the powerpc
> > architecture.
> >
> > Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
> > ---
> > arch/powerpc/Kconfig | 12 ++++++++++++
> I think you also have to implement some stuff in
> early_cmdline_parse()
> in arch/powerpc/kernel/prom_init.c
I my case I didn't need to since the generic code in drivers/of/fdt.c
did what I need. For early options or platforms that don't use a device
tree then I can see why I'd need the update to update to prom_init.
>
> Maybe look at https://patchwork.ozlabs.org/patch/1074126/
>
Do you mind if I take this and fold it into a v2 of my patch? Any
particular reason it didn't get picked up in April?
> Christophe
>
> >
> > 1 file changed, 12 insertions(+)
> >
> > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> > index d8dcd8820369..cd9b3974aa36 100644
> > --- a/arch/powerpc/Kconfig
> > +++ b/arch/powerpc/Kconfig
> > @@ -851,6 +851,11 @@ config CMDLINE
> > some command-line options at build time by entering
> > them here. In
> > most cases you will need to specify the root device
> > here.
> >
> > +choice
> > + prompt "Kernel command line type" if CMDLINE != ""
> > + default CMDLINE_FORCE
> > + depends on CMDLINE_BOOL
> > +
> > config CMDLINE_FORCE
> > bool "Always use the default kernel command string"
> > depends on CMDLINE_BOOL
> > @@ -860,6 +865,13 @@ config CMDLINE_FORCE
> > This is useful if you cannot or don't want to change
> > the
> > command-line options your boot loader passes to the
> > kernel.
> >
> > +config CMDLINE_EXTEND
> > + bool "Extend bootloader kernel arguments"
> > + help
> > + The command-line arguments provided by the boot loader
> > will be
> > + appended to the default kernel command string.
> > +endchoice
> > +
> > config EXTRA_TARGETS
> > string "Additional default image types"
> > help
> >
^ permalink raw reply
* Re: [PATCH] drivers/macintosh/smu.c: Mark expected switch fall-through
From: Benjamin Herrenschmidt @ 2019-07-30 20:37 UTC (permalink / raw)
To: Kees Cook, Michael Ellerman
Cc: Stephen Rothwell, PowerPC, Linux kernel Mailing List,
Gustavo A. R. Silva
In-Reply-To: <201907301005.0661E63CF@keescook>
On Tue, 2019-07-30 at 10:07 -0700, Kees Cook wrote:
>
> > Why do we think it's an expected fall through? I can't really
> > convince
> > myself from the surrounding code that it's definitely intentional.
>
> Yeah, good question. Just now when I went looking for who
> used SMU_I2C_TRANSFER_COMBINED, I found the only caller in
> arch/powerpc/platforms/powermac/low_i2c.c and it is clearly using a
> fall-through for building the command for "stdsub" and "combined",
> so I think that's justification enough:
Yes, sorry for the delay, the fall through is intentional.
Cheers,
Ben.
^ permalink raw reply
* [PATCH v5 14/29] compat_ioctl: use correct compat_ptr() translation in drivers
From: Arnd Bergmann @ 2019-07-30 19:55 UTC (permalink / raw)
To: Alexander Viro
Cc: Arnd Bergmann, Felipe Balbi, Sumit Saxena, Shivasharan S,
Greg Kroah-Hartman, James E.J. Bottomley, linux-usb,
Frank Haverkamp, linux-kernel, Kashyap Desai, linux-scsi,
Frederic Barrat, Andrew Donnellan, Martin K. Petersen,
linux-fsdevel, linuxppc-dev, megaraidlinux.pdl, Andrew Donnellan
In-Reply-To: <20190730195819.901457-1-arnd@arndb.de>
A handful of drivers all have a trivial wrapper around their ioctl
handler, but don't call the compat_ptr() conversion function at the
moment. In practice this does not matter, since none of them are used
on the s390 architecture and for all other architectures, compat_ptr()
does not do anything, but using the new compat_ptr_ioctl()
helper makes it more correct in theory, and simplifies the code.
I checked that all ioctl handlers in these files are compatible
and take either pointer arguments or no argument.
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/misc/cxl/flash.c | 8 +-------
drivers/misc/genwqe/card_dev.c | 23 +----------------------
drivers/scsi/megaraid/megaraid_mm.c | 28 +---------------------------
drivers/usb/gadget/function/f_fs.c | 12 +-----------
4 files changed, 4 insertions(+), 67 deletions(-)
diff --git a/drivers/misc/cxl/flash.c b/drivers/misc/cxl/flash.c
index 4d6836f19489..cb9cca35a226 100644
--- a/drivers/misc/cxl/flash.c
+++ b/drivers/misc/cxl/flash.c
@@ -473,12 +473,6 @@ static long device_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return -EINVAL;
}
-static long device_compat_ioctl(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- return device_ioctl(file, cmd, arg);
-}
-
static int device_close(struct inode *inode, struct file *file)
{
struct cxl *adapter = file->private_data;
@@ -514,7 +508,7 @@ static const struct file_operations fops = {
.owner = THIS_MODULE,
.open = device_open,
.unlocked_ioctl = device_ioctl,
- .compat_ioctl = device_compat_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.release = device_close,
};
diff --git a/drivers/misc/genwqe/card_dev.c b/drivers/misc/genwqe/card_dev.c
index 0e34c0568fed..040a0bda3125 100644
--- a/drivers/misc/genwqe/card_dev.c
+++ b/drivers/misc/genwqe/card_dev.c
@@ -1215,34 +1215,13 @@ static long genwqe_ioctl(struct file *filp, unsigned int cmd,
return rc;
}
-#if defined(CONFIG_COMPAT)
-/**
- * genwqe_compat_ioctl() - Compatibility ioctl
- *
- * Called whenever a 32-bit process running under a 64-bit kernel
- * performs an ioctl on /dev/genwqe<n>_card.
- *
- * @filp: file pointer.
- * @cmd: command.
- * @arg: user argument.
- * Return: zero on success or negative number on failure.
- */
-static long genwqe_compat_ioctl(struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- return genwqe_ioctl(filp, cmd, arg);
-}
-#endif /* defined(CONFIG_COMPAT) */
-
static const struct file_operations genwqe_fops = {
.owner = THIS_MODULE,
.open = genwqe_open,
.fasync = genwqe_fasync,
.mmap = genwqe_mmap,
.unlocked_ioctl = genwqe_ioctl,
-#if defined(CONFIG_COMPAT)
- .compat_ioctl = genwqe_compat_ioctl,
-#endif
+ .compat_ioctl = compat_ptr_ioctl,
.release = genwqe_release,
};
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 59cca898f088..e83163c66884 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -41,10 +41,6 @@ static int mraid_mm_setup_dma_pools(mraid_mmadp_t *);
static void mraid_mm_free_adp_resources(mraid_mmadp_t *);
static void mraid_mm_teardown_dma_pools(mraid_mmadp_t *);
-#ifdef CONFIG_COMPAT
-static long mraid_mm_compat_ioctl(struct file *, unsigned int, unsigned long);
-#endif
-
MODULE_AUTHOR("LSI Logic Corporation");
MODULE_DESCRIPTION("LSI Logic Management Module");
MODULE_LICENSE("GPL");
@@ -68,9 +64,7 @@ static wait_queue_head_t wait_q;
static const struct file_operations lsi_fops = {
.open = mraid_mm_open,
.unlocked_ioctl = mraid_mm_unlocked_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = mraid_mm_compat_ioctl,
-#endif
+ .compat_ioctl = compat_ptr_ioctl,
.owner = THIS_MODULE,
.llseek = noop_llseek,
};
@@ -224,7 +218,6 @@ mraid_mm_unlocked_ioctl(struct file *filep, unsigned int cmd,
{
int err;
- /* inconsistent: mraid_mm_compat_ioctl doesn't take the BKL */
mutex_lock(&mraid_mm_mutex);
err = mraid_mm_ioctl(filep, cmd, arg);
mutex_unlock(&mraid_mm_mutex);
@@ -1228,25 +1221,6 @@ mraid_mm_init(void)
}
-#ifdef CONFIG_COMPAT
-/**
- * mraid_mm_compat_ioctl - 32bit to 64bit ioctl conversion routine
- * @filep : file operations pointer (ignored)
- * @cmd : ioctl command
- * @arg : user ioctl packet
- */
-static long
-mraid_mm_compat_ioctl(struct file *filep, unsigned int cmd,
- unsigned long arg)
-{
- int err;
-
- err = mraid_mm_ioctl(filep, cmd, arg);
-
- return err;
-}
-#endif
-
/**
* mraid_mm_exit - Module exit point
*/
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 213ff03c8a9f..7037ec33c424 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1351,14 +1351,6 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
return ret;
}
-#ifdef CONFIG_COMPAT
-static long ffs_epfile_compat_ioctl(struct file *file, unsigned code,
- unsigned long value)
-{
- return ffs_epfile_ioctl(file, code, value);
-}
-#endif
-
static const struct file_operations ffs_epfile_operations = {
.llseek = no_llseek,
@@ -1367,9 +1359,7 @@ static const struct file_operations ffs_epfile_operations = {
.read_iter = ffs_epfile_read_iter,
.release = ffs_epfile_release,
.unlocked_ioctl = ffs_epfile_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = ffs_epfile_compat_ioctl,
-#endif
+ .compat_ioctl = compat_ptr_ioctl,
};
--
2.20.0
^ permalink raw reply related
* Re: [PATCH v3 2/2] powerpc/mm/radix: Free PUD table when freeing pagetable
From: Reza Arbab @ 2019-07-30 19:37 UTC (permalink / raw)
To: Bharata B Rao; +Cc: sraithal, linuxppc-dev, aneesh.kumar, npiggin
In-Reply-To: <20190726050440.24798-3-bharata@linux.ibm.com>
On Fri, Jul 26, 2019 at 10:34:40AM +0530, Bharata B Rao wrote:
>remove_pagetable() isn't freeing PUD table. This causes memory
>leak during memory unplug. Fix this.
On x86, this is intentional. See
af2cf278ef4f ("x86/mm/hotplug: Don't remove PGD entries in remove_pagetable()")
98fe3633c5a4 ("x86/mm/hotplug: Fix BUG_ON() after hot-remove by not freeing PUD")
Does their reasoning apply to powerpc as well?
--
Reza Arbab
^ permalink raw reply
* Re: [PATCH] powerpc: workaround clang codegen bug in dcbz
From: Segher Boessenkool @ 2019-07-30 19:35 UTC (permalink / raw)
To: Arnd Bergmann
Cc: kbuild test robot, Nick Desaulniers, Linux Kernel Mailing List,
clang-built-linux, Paul Mackerras, Nathan Chancellor,
linuxppc-dev
In-Reply-To: <CAK8P3a0_ovcX9tOo1UQ3_1UmM=+A2X=yErw27i2pHOj4XD40-A@mail.gmail.com>
On Tue, Jul 30, 2019 at 08:24:14PM +0200, Arnd Bergmann wrote:
> On Tue, Jul 30, 2019 at 6:16 PM Segher Boessenkool
> <segher@kernel.crashing.org> wrote:
> > in_le32 and friends? Yeah, huh. If LLVM copies that to the stack as
> > well, its (not byte reversing) read will be atomic just fine, so things
> > will still work correctly.
>
> byteorder is fine, the problem I was thinking of is when moving the load/store
> instructions around the barriers that synchronize with DMA, or turning
> them into different-size accesses. Changing two consecutive 16-bit mmio reads
> into an unaligned 32-bit read will rarely have the intended effect ;-)
Most such barriers will also work on the copy accesses, I think. But
yes it depends on exactly how it is written. The {in,out}_{be,le}<N>
ones use sync;store for out and sync;load;trap;isync for in, so they
should be safe ;-)
(Well, almost -- writes to I/O will not necessarily actually happen
before other stores, not from these macros alone at least).
Should be pretty easy to check what LLVM makes of this?
Segher
^ permalink raw reply
* [Bug 204371] BUG kmalloc-4k (Tainted: G W ): Object padding overwritten
From: bugzilla-daemon @ 2019-07-30 18:52 UTC (permalink / raw)
To: linuxppc-dev
In-Reply-To: <bug-204371-206035@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=204371
--- Comment #2 from Andrew Morton (akpm@linux-foundation.org) ---
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Mon, 29 Jul 2019 22:35:48 +0000 bugzilla-daemon@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=204371
>
> Bug ID: 204371
> Summary: BUG kmalloc-4k (Tainted: G W ): Object
> padding overwritten
> Product: Memory Management
> Version: 2.5
> Kernel Version: 5.3.0-rc2
> Hardware: PPC-32
> OS: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: Slab Allocator
> Assignee: akpm@linux-foundation.org
> Reporter: erhard_f@mailbox.org
> Regression: No
cc'ing various people here.
I suspect proc_cgroup_show() is innocent and that perhaps
bpf_prepare_filter() had a memory scribble. iirc there has been at
least one recent pretty serious bpf fix applied recently. Can others
please take a look?
(Seriously - please don't modify this report via the bugzilla web interface!)
> Created attachment 284033
> --> https://bugzilla.kernel.org/attachment.cgi?id=284033&action=edit
> dmesg (PowerMac G4 DP, kernel 5.3-rc2)
>
> Seeing this during boot with SLUB_DEBUG_ON enabled in the kernel. Happens on
> 5.3.0-rc2, 5.2.4 is also affected. I did not test earlier kernels.
>
> Machine is a PowerMac G4 DP (3,6), ppc32 running Gentoo Linux.
>
> [...]
> [ 17.499445]
> =============================================================================
> [ 17.508472] BUG kmalloc-4k (Tainted: G W ): Object padding
> overwritten
> [ 17.517521]
> -----------------------------------------------------------------------------
>
> [ 17.535804] INFO: 0x(ptrval)-0x(ptrval). First byte 0x0 instead of 0x5a
> [ 17.544986] INFO: Allocated in proc_cgroup_show+0x30/0x24c age=63 cpu=0
> pid=1
> [ 17.554078] __slab_alloc.constprop.73+0x40/0x6c
> [ 17.563007] kmem_cache_alloc_trace+0x7c/0x1a0
> [ 17.571874] proc_cgroup_show+0x30/0x24c
> [ 17.580677] proc_single_show+0x54/0x74
> [ 17.589359] seq_read+0x27c/0x460
> [ 17.597919] __vfs_read+0x3c/0x10c
> [ 17.606352] vfs_read+0xa8/0xf8
> [ 17.614656] ksys_read+0x7c/0xd0
> [ 17.622875] ret_from_syscall+0x0/0x34
> [ 17.631064] INFO: Freed in proc_cgroup_show+0xbc/0x24c age=4294882542
> cpu=0
> pid=0
> [ 17.639423] kfree+0x264/0x29c
> [ 17.647698] proc_cgroup_show+0xbc/0x24c
> [ 17.655819] proc_single_show+0x54/0x74
> [ 17.663730] seq_read+0x27c/0x460
> [ 17.671542] __vfs_read+0x3c/0x10c
> [ 17.679290] vfs_read+0xa8/0xf8
> [ 17.686990] ksys_read+0x7c/0xd0
> [ 17.694683] ret_from_syscall+0x0/0x34
> [ 17.702331] INFO: Slab 0x(ptrval) objects=7 used=7 fp=0x(ptrval)
> flags=0x10200
> [ 17.710165] INFO: Object 0x(ptrval) @offset=21408 fp=0x(ptrval)
>
> [ 17.725690] Redzone (ptrval): bb bb bb bb bb bb bb bb
> ........
> [ 17.733495] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.741376] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.749151] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.756811] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.764402] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.771916] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.779354] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.786790] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.794226] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.801579] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.808819] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.815940] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.822914] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.829760] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.836547] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.843231] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.849810] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.856317] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.862758] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.869038] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.875111] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.881062] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.886893] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.892602] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.898248] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.903705] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.908980] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.914129] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.919216] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.924171] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.929013] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.933772] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.938444] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.942999] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.947394] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.951620] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.955736] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.959744] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.963697] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.967459] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.971032] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.974419] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.977616] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.980689] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.983620] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.986408] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.989118] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.991759] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.994377] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.996931] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 17.999437] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.001892] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.004302] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.006655] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.008848] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.010879] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.012846] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.014789] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.016669] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.018500] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.020282] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.022018] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.023696] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.025223] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.026609] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.027883] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.029062] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.030085] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.031108] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.032131] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.033154] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.034177] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.035200] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.036223] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.037246] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.038269] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.039292] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.040315] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.041337] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.042360] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.043383] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.044406] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.045429] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.046452] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.047475] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.048498] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.049521] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.050544] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.051567] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.052590] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.053612] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.054635] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.055658] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.056681] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.057704] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.058727] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.059750] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.060773] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.061796] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.062819] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.063841] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.064864] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.065887] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.066910] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.067933] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.068956] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.069979] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.071002] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.072024] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.073047] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.074070] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.075093] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.076116] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.077139] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.078162] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.079185] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.080208] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.081231] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.082254] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.083277] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.084299] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.085322] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.086345] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.087368] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.088391] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.089414] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.090437] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.091460] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.092483] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.093506] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.094529] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.095552] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.096575] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.097598] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.098621] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.099643] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.100666] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.101689] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.102712] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.103735] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.104758] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.105781] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.106804] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.107826] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.108849] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.109872] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.110895] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.111918] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.112941] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.113964] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.114987] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.116010] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.117033] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.118056] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.119079] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.120102] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.121124] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.122147] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.123170] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.124193] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.125216] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.126239] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.127262] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.128285] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.129308] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.130331] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.131354] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.132377] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.133399] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.134422] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.135445] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.136468] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.137491] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.138514] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.139537] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.140560] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.141583] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.142605] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.143628] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.144651] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.145674] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.146697] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.147720] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.148743] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.149766] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.150789] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.151812] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.152835] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.153858] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.154880] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.155903] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.156926] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.157949] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.158972] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.159995] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.161018] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.162041] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.163064] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.164087] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.165110] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.166133] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.167156] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.168179] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.169203] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.170226] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.171249] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.172272] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.173295] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.174318] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.175341] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.176364] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.177387] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.178410] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.179433] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.180456] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.181479] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.182502] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.183525] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.184548] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.185571] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.186594] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.187617] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.188640] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.189663] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.190686] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.191709] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.192732] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.193756] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.194778] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.195801] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.196825] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.197848] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.198871] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.199894] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.200917] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.201940] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.202963] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.203986] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.205009] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.206032] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.207055] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.208078] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.209101] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.210124] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.211147] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.212169] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.213192] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.214215] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.215239] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.216262] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.217285] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.218308] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.219331] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.220354] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.221377] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b
> kkkkkkkkkkkkkkkk
> [ 18.222400] Object (ptrval): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> a5
> kkkkkkkkkkkkkkk.
> [ 18.223429] Redzone (ptrval): bb bb bb bb
> ....
> [ 18.224584] Padding (ptrval): 00 00 00 00 00 00 00 00
> ........
> [ 18.225813] CPU: 0 PID: 140 Comm: (md-udevd) Tainted: G B W
> 5.3.0-rc2 #4
> [ 18.227171] Call Trace:
> [ 18.228478] [ed38bc88] [c063ec6c] dump_stack+0xa0/0xfc (unreliable)
> [ 18.230033] [ed38bcb8] [c019cc98] check_bytes_and_report+0xc8/0xf0
> [ 18.231675] [ed38bce8] [c019d794] check_object+0x10c/0x224
> [ 18.233364] [ed38bd18] [c019e210] alloc_debug_processing+0xc4/0x13c
> [ 18.235168] [ed38bd38] [c019e470] ___slab_alloc.constprop.74+0x1e8/0x380
> [ 18.237081] [ed38bdc8] [c019e648] __slab_alloc.constprop.73+0x40/0x6c
> [ 18.239080] [ed38bdf8] [c01a1328] __kmalloc_track_caller+0xd8/0x1d4
> [ 18.241162] [ed38be38] [c016013c] kmemdup+0x28/0x5c
> [ 18.243286] [ed38be58] [c054dfd8] bpf_prepare_filter+0x5a8/0x688
> [ 18.245533] [ed38bec8] [c054e254] bpf_prog_create_from_user+0xe8/0x114
> [ 18.247882] [ed38bef8] [c00df0e8] do_seccomp+0x30c/0x700
> [ 18.250288] [ed38bf38] [c0014274] ret_from_syscall+0x0/0x34
> [ 18.252772] --- interrupt: c00 at 0x5292c4
> LR = 0x7521a4
> [ 18.257881] FIX kmalloc-4k: Restoring 0x(ptrval)-0x(ptrval)=0x5a
> [...]
>
> --
> You are receiving this mail because:
> You are the assignee for the bug.
--
You are receiving this mail because:
You are on the CC list for the bug.
^ permalink raw reply
* Re: [PATCH] powerpc: workaround clang codegen bug in dcbz
From: Arnd Bergmann @ 2019-07-30 18:24 UTC (permalink / raw)
To: Segher Boessenkool
Cc: kbuild test robot, Nick Desaulniers, Linux Kernel Mailing List,
clang-built-linux, Paul Mackerras, Nathan Chancellor,
linuxppc-dev
In-Reply-To: <20190730170728.GQ31406@gate.crashing.org>
On Tue, Jul 30, 2019 at 7:07 PM Segher Boessenkool
<segher@kernel.crashing.org> wrote:
>
> On Tue, Jul 30, 2019 at 11:16:37AM -0500, Segher Boessenkool wrote:
> > in_le32 and friends? Yeah, huh. If LLVM copies that to the stack as
> > well, its (not byte reversing) read will be atomic just fine, so things
> > will still work correctly.
> >
> > The things defined with DEF_MMIO_IN_D (instead of DEF_MMIO_IN_X) do not
> > look like they will work correctly if an update form address is chosen,
> > but that won't happen because the constraint is "m" instead of "m<>",
> > making the %Un pretty useless (it will always be the empty string).
>
> Btw, this is true since GCC 4.8; before 4.8, plain "m" *could* have an
> automodify (autoinc, autodec, etc.) side effect. What is the minimum
> GCC version required, these days?
gcc-4.6, but an architecture can require a higher version.
Arnd
^ permalink raw reply
* Re: [PATCH v2 0/5] PCI: Convert pci_resource_to_user() to a weak function
From: Bjorn Helgaas @ 2019-07-30 18:25 UTC (permalink / raw)
To: Denis Efremov
Cc: Michal Simek, linux-pci, linux-mips, Ralf Baechle, linux-kernel,
sparclinux, Paul Burton, Paul Mackerras, James Hogan,
linuxppc-dev, David S. Miller
In-Reply-To: <20190729101401.28068-1-efremov@linux.com>
On Mon, Jul 29, 2019 at 01:13:56PM +0300, Denis Efremov wrote:
> Architectures currently define HAVE_ARCH_PCI_RESOURCE_TO_USER if they want
> to provide their own pci_resource_to_user() implementation. This could be
> simplified if we make the generic version a weak function. Thus,
> architecture specific versions will automatically override the generic one.
>
> Changes in v2:
> 1. Removed __weak from pci_resource_to_user() declaration
> 2. Fixed typo s/spark/sparc/g
>
> Denis Efremov (5):
> PCI: Convert pci_resource_to_user to a weak function
> microblaze/PCI: Remove HAVE_ARCH_PCI_RESOURCE_TO_USER
> mips/PCI: Remove HAVE_ARCH_PCI_RESOURCE_TO_USER
> powerpc/PCI: Remove HAVE_ARCH_PCI_RESOURCE_TO_USER
> sparc/PCI: Remove HAVE_ARCH_PCI_RESOURCE_TO_USER
>
> arch/microblaze/include/asm/pci.h | 2 --
> arch/mips/include/asm/pci.h | 1 -
> arch/powerpc/include/asm/pci.h | 2 --
> arch/sparc/include/asm/pci.h | 2 --
> drivers/pci/pci.c | 8 ++++++++
> include/linux/pci.h | 12 ------------
> 6 files changed, 8 insertions(+), 19 deletions(-)
Thanks, I added Paul's ack, squashed into a single patch since I think
it's easier to see what's going on then, and applied to pci/misc for
v4.5.
^ permalink raw reply
* Re: [PATCH] powerpc: workaround clang codegen bug in dcbz
From: Arnd Bergmann @ 2019-07-30 18:24 UTC (permalink / raw)
To: Segher Boessenkool
Cc: kbuild test robot, Nick Desaulniers, Linux Kernel Mailing List,
clang-built-linux, Paul Mackerras, Nathan Chancellor,
linuxppc-dev
In-Reply-To: <20190730161637.GP31406@gate.crashing.org>
On Tue, Jul 30, 2019 at 6:16 PM Segher Boessenkool
<segher@kernel.crashing.org> wrote:
>
> On Tue, Jul 30, 2019 at 04:30:29PM +0200, Arnd Bergmann wrote:
> > On Tue, Jul 30, 2019 at 3:49 PM Segher Boessenkool
> > <segher@kernel.crashing.org> wrote:
> > >
> > > On Tue, Jul 30, 2019 at 09:34:28AM +0200, Arnd Bergmann wrote:
> > > > Upon a second look, I think the issue is that the "Z" is an input argument
> > > > when it should be an output. clang decides that it can make a copy of the
> > > > input and pass that into the inline asm. This is not the most efficient
> > > > way, but it seems entirely correct according to the constraints.
> > >
> > > Most dcb* (and all icb*) do not change the memory pointed to. The
> > > memory is an input here, logically as well, and that is obvious.
> >
> > Ah, right. I had only thought of dcbz here, but you are right that using
> > an output makes little sense for the others.
> >
> > readl() is another example where powerpc currently uses "Z" for an
> > input, which illustrates this even better.
>
> in_le32 and friends? Yeah, huh. If LLVM copies that to the stack as
> well, its (not byte reversing) read will be atomic just fine, so things
> will still work correctly.
byteorder is fine, the problem I was thinking of is when moving the load/store
instructions around the barriers that synchronize with DMA, or turning
them into different-size accesses. Changing two consecutive 16-bit mmio reads
into an unaligned 32-bit read will rarely have the intended effect ;-)
Arnd
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