From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
torvalds@linux-foundation.org, stable@vger.kernel.org
Cc: lwn@lwn.net, jslaby@suse.cz,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: Linux 6.12.82
Date: Sat, 18 Apr 2026 10:51:21 +0200 [thread overview]
Message-ID: <2026041821-kitty-grievous-8866@gregkh> (raw)
In-Reply-To: <2026041821-brigade-feline-da8d@gregkh>
diff --git a/Makefile b/Makefile
index d7e8226d0639..ca3f57a878a9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 12
-SUBLEVEL = 81
+SUBLEVEL = 82
EXTRAVERSION =
NAME = Baby Opossum Posse
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
index 077c5cd2586f..4533a84fb0b9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
@@ -7,7 +7,7 @@
&a53_opp_table {
opp-1000000000 {
- opp-microvolt = <950000>;
+ opp-microvolt = <1000000>;
};
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index 1b39514d5c12..909e2b830497 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -845,9 +845,9 @@ buck1_reg: BUCK1 {
regulator-max-microvolt = <1300000>;
regulator-boot-on;
regulator-ramp-delay = <1250>;
- rohm,dvs-run-voltage = <880000>;
- rohm,dvs-idle-voltage = <820000>;
- rohm,dvs-suspend-voltage = <810000>;
+ rohm,dvs-run-voltage = <900000>;
+ rohm,dvs-idle-voltage = <850000>;
+ rohm,dvs-suspend-voltage = <850000>;
regulator-always-on;
};
@@ -857,8 +857,8 @@ buck2_reg: BUCK2 {
regulator-max-microvolt = <1300000>;
regulator-boot-on;
regulator-ramp-delay = <1250>;
- rohm,dvs-run-voltage = <950000>;
- rohm,dvs-idle-voltage = <850000>;
+ rohm,dvs-run-voltage = <1000000>;
+ rohm,dvs-idle-voltage = <900000>;
regulator-always-on;
};
@@ -867,14 +867,14 @@ buck3_reg: BUCK3 {
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1300000>;
regulator-boot-on;
- rohm,dvs-run-voltage = <850000>;
+ rohm,dvs-run-voltage = <900000>;
};
buck4_reg: BUCK4 {
regulator-name = "buck4";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1300000>;
- rohm,dvs-run-voltage = <930000>;
+ rohm,dvs-run-voltage = <1000000>;
};
buck5_reg: BUCK5 {
@@ -1405,13 +1405,3 @@ &wdog1 {
fsl,ext-reset-output;
status = "okay";
};
-
-&a53_opp_table {
- opp-1000000000 {
- opp-microvolt = <850000>;
- };
-
- opp-1500000000 {
- opp-microvolt = <950000>;
- };
-};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts b/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
index 7d370dac4c85..579d55daa7d0 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
@@ -179,7 +179,7 @@ &ohci {
};
&pcie {
- reset-gpios = <&gpio4 4 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio4 4 GPIO_ACTIVE_LOW>;
vpcie-supply = <®_pcie>;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
index f6bc001c3832..2f4ad5da5e33 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
@@ -122,6 +122,7 @@ soc: soc@f0000000 {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x0 0xf0000000 0x10000000>;
+ dma-ranges = <0x0 0x0 0x0 0x40000000>;
crg: clock-reset-controller@8a22000 {
compatible = "hisilicon,hi3798cv200-crg", "syscon", "simple-mfd";
diff --git a/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi b/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
index 69e4fddebd4e..08da0f7be71f 100644
--- a/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
@@ -239,6 +239,9 @@ &i2c1 {
clock-frequency = <400000>;
bridge@2c {
+ pinctrl-0 = <&irq0_pins>;
+ pinctrl-names = "default";
+
compatible = "ti,sn65dsi86";
reg = <0x2c>;
@@ -343,6 +346,11 @@ i2c1_pins: i2c1 {
function = "i2c1";
};
+ irq0_pins: irq0 {
+ groups = "intc_ex_irq0_a";
+ function = "intc_ex";
+ };
+
keys_pins: keys {
pins = "GP_5_0", "GP_5_1", "GP_5_2";
bias-pull-up;
diff --git a/arch/loongarch/include/asm/setup.h b/arch/loongarch/include/asm/setup.h
index 3c2fb16b11b6..f81375e5e89c 100644
--- a/arch/loongarch/include/asm/setup.h
+++ b/arch/loongarch/include/asm/setup.h
@@ -7,6 +7,7 @@
#define _LOONGARCH_SETUP_H
#include <linux/types.h>
+#include <linux/threads.h>
#include <asm/sections.h>
#include <uapi/asm/setup.h>
@@ -14,6 +15,8 @@
extern unsigned long eentry;
extern unsigned long tlbrentry;
+extern unsigned long pcpu_handlers[NR_CPUS];
+extern long exception_handlers[VECSIZE * 128 / sizeof(long)];
extern char init_command_line[COMMAND_LINE_SIZE];
extern void tlb_init(int cpu);
extern void cpu_cache_init(void);
diff --git a/arch/loongarch/kernel/unwind_orc.c b/arch/loongarch/kernel/unwind_orc.c
index 471652c0c865..1334ffc0843d 100644
--- a/arch/loongarch/kernel/unwind_orc.c
+++ b/arch/loongarch/kernel/unwind_orc.c
@@ -359,11 +359,21 @@ static inline unsigned long bt_address(unsigned long ra)
{
extern unsigned long eentry;
- if (__kernel_text_address(ra))
- return ra;
+#if defined(CONFIG_NUMA) && !defined(CONFIG_PREEMPT_RT)
+ int cpu;
+ int vec_sz = sizeof(exception_handlers);
- if (__module_text_address(ra))
- return ra;
+ for_each_possible_cpu(cpu) {
+ if (!pcpu_handlers[cpu])
+ continue;
+
+ if (ra >= pcpu_handlers[cpu] &&
+ ra < pcpu_handlers[cpu] + vec_sz) {
+ ra = ra + eentry - pcpu_handlers[cpu];
+ break;
+ }
+ }
+#endif
if (ra >= eentry && ra < eentry + EXCCODE_INT_END * VECSIZE) {
unsigned long func;
@@ -382,10 +392,13 @@ static inline unsigned long bt_address(unsigned long ra)
break;
}
- return func + offset;
+ ra = func + offset;
}
- return ra;
+ if (__kernel_text_address(ra))
+ return ra;
+
+ return 0;
}
bool unwind_next_frame(struct unwind_state *state)
@@ -511,9 +524,6 @@ bool unwind_next_frame(struct unwind_state *state)
goto err;
}
- if (!__kernel_text_address(state->pc))
- goto err;
-
preempt_enable();
return true;
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 404390bb87ea..3f11e5218e6c 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -484,7 +484,6 @@
# endif
# ifndef cpu_vmbits
# define cpu_vmbits cpu_data[0].vmbits
-# define __NEED_VMBITS_PROBE
# endif
#endif
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index a600670d00e9..1aee44124f11 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -80,9 +80,7 @@ struct cpuinfo_mips {
int srsets; /* Shadow register sets */
int package;/* physical package number */
unsigned int globalnumber;
-#ifdef CONFIG_64BIT
int vmbits; /* Virtual memory size in bits */
-#endif
void *data; /* Additional data */
unsigned int watch_reg_count; /* Number that exist */
unsigned int watch_reg_use_cnt; /* Usable by ptrace */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 3c6ddc0c2c7a..db8e02493eb8 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1871,6 +1871,8 @@ do { \
#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
+#define read_c0_entryhi_64() __read_64bit_c0_register($10, 0)
+#define write_c0_entryhi_64(val) __write_64bit_c0_register($10, 0, val)
#define read_c0_guestctl1() __read_32bit_c0_register($10, 4)
#define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index af7412549e6e..3220e68bd12e 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -207,11 +207,14 @@ static inline void set_elf_base_platform(const char *plat)
static inline void cpu_probe_vmbits(struct cpuinfo_mips *c)
{
-#ifdef __NEED_VMBITS_PROBE
- write_c0_entryhi(0x3fffffffffffe000ULL);
- back_to_back_c0_hazard();
- c->vmbits = fls64(read_c0_entryhi() & 0x3fffffffffffe000ULL);
-#endif
+ int vmbits = 31;
+
+ if (cpu_has_64bits) {
+ write_c0_entryhi_64(0x3fffffffffffe000ULL);
+ back_to_back_c0_hazard();
+ vmbits = fls64(read_c0_entryhi_64() & 0x3fffffffffffe000ULL);
+ }
+ c->vmbits = vmbits;
}
static void set_isa(struct cpuinfo_mips *c, unsigned int isa)
diff --git a/arch/mips/kernel/cpu-r3k-probe.c b/arch/mips/kernel/cpu-r3k-probe.c
index 0c826f729f75..edcf04de0a6f 100644
--- a/arch/mips/kernel/cpu-r3k-probe.c
+++ b/arch/mips/kernel/cpu-r3k-probe.c
@@ -137,6 +137,8 @@ void cpu_probe(void)
else
cpu_set_nofpu_opts(c);
+ c->vmbits = 31;
+
reserve_exception_space(0, 0x400);
}
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 645f77e09d5b..24fe85fa169d 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -13,6 +13,7 @@
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/memblock.h>
+#include <linux/minmax.h>
#include <linux/mm.h>
#include <linux/hugetlb.h>
#include <linux/export.h>
@@ -24,6 +25,7 @@
#include <asm/hazards.h>
#include <asm/mmu_context.h>
#include <asm/tlb.h>
+#include <asm/tlbdebug.h>
#include <asm/tlbex.h>
#include <asm/tlbmisc.h>
#include <asm/setup.h>
@@ -511,87 +513,259 @@ static int __init set_ntlb(char *str)
__setup("ntlb=", set_ntlb);
-/* Comparison function for EntryHi VPN fields. */
-static int r4k_vpn_cmp(const void *a, const void *b)
+/* The start bit position of VPN2 and Mask in EntryHi/PageMask registers. */
+#define VPN2_SHIFT 13
+
+/* Read full EntryHi even with CONFIG_32BIT. */
+static inline unsigned long long read_c0_entryhi_native(void)
+{
+ return cpu_has_64bits ? read_c0_entryhi_64() : read_c0_entryhi();
+}
+
+/* Write full EntryHi even with CONFIG_32BIT. */
+static inline void write_c0_entryhi_native(unsigned long long v)
{
- long v = *(unsigned long *)a - *(unsigned long *)b;
- int s = sizeof(long) > sizeof(int) ? sizeof(long) * 8 - 1: 0;
- return s ? (v != 0) | v >> s : v;
+ if (cpu_has_64bits)
+ write_c0_entryhi_64(v);
+ else
+ write_c0_entryhi(v);
}
+/* TLB entry state for uniquification. */
+struct tlbent {
+ unsigned long long wired:1;
+ unsigned long long global:1;
+ unsigned long long asid:10;
+ unsigned long long vpn:51;
+ unsigned long long pagesz:5;
+ unsigned long long index:14;
+};
+
/*
- * Initialise all TLB entries with unique values that do not clash with
- * what we have been handed over and what we'll be using ourselves.
+ * Comparison function for TLB entry sorting. Place wired entries first,
+ * then global entries, then order by the increasing VPN/ASID and the
+ * decreasing page size. This lets us avoid clashes with wired entries
+ * easily and get entries for larger pages out of the way first.
+ *
+ * We could group bits so as to reduce the number of comparisons, but this
+ * is seldom executed and not performance-critical, so prefer legibility.
*/
-static void __ref r4k_tlb_uniquify(void)
+static int r4k_entry_cmp(const void *a, const void *b)
{
- int tlbsize = current_cpu_data.tlbsize;
- bool use_slab = slab_is_available();
- int start = num_wired_entries();
- phys_addr_t tlb_vpn_size;
- unsigned long *tlb_vpns;
- unsigned long vpn_mask;
- int cnt, ent, idx, i;
-
- vpn_mask = GENMASK(cpu_vmbits - 1, 13);
- vpn_mask |= IS_ENABLED(CONFIG_64BIT) ? 3ULL << 62 : 1 << 31;
+ struct tlbent ea = *(struct tlbent *)a, eb = *(struct tlbent *)b;
+
+ if (ea.wired > eb.wired)
+ return -1;
+ else if (ea.wired < eb.wired)
+ return 1;
+ else if (ea.global > eb.global)
+ return -1;
+ else if (ea.global < eb.global)
+ return 1;
+ else if (ea.vpn < eb.vpn)
+ return -1;
+ else if (ea.vpn > eb.vpn)
+ return 1;
+ else if (ea.asid < eb.asid)
+ return -1;
+ else if (ea.asid > eb.asid)
+ return 1;
+ else if (ea.pagesz > eb.pagesz)
+ return -1;
+ else if (ea.pagesz < eb.pagesz)
+ return 1;
+ else
+ return 0;
+}
- tlb_vpn_size = tlbsize * sizeof(*tlb_vpns);
- tlb_vpns = (use_slab ?
- kmalloc(tlb_vpn_size, GFP_ATOMIC) :
- memblock_alloc_raw(tlb_vpn_size, sizeof(*tlb_vpns)));
- if (WARN_ON(!tlb_vpns))
- return; /* Pray local_flush_tlb_all() is good enough. */
+/*
+ * Fetch all the TLB entries. Mask individual VPN values retrieved with
+ * the corresponding page mask and ignoring any 1KiB extension as we'll
+ * be using 4KiB pages for uniquification.
+ */
+static void __ref r4k_tlb_uniquify_read(struct tlbent *tlb_vpns, int tlbsize)
+{
+ int start = num_wired_entries();
+ unsigned long long vpn_mask;
+ bool global;
+ int i;
- htw_stop();
+ vpn_mask = GENMASK(current_cpu_data.vmbits - 1, VPN2_SHIFT);
+ vpn_mask |= cpu_has_64bits ? 3ULL << 62 : 1 << 31;
- for (i = start, cnt = 0; i < tlbsize; i++, cnt++) {
- unsigned long vpn;
+ for (i = 0; i < tlbsize; i++) {
+ unsigned long long entryhi, vpn, mask, asid;
+ unsigned int pagesz;
write_c0_index(i);
mtc0_tlbr_hazard();
tlb_read();
tlb_read_hazard();
- vpn = read_c0_entryhi();
- vpn &= vpn_mask & PAGE_MASK;
- tlb_vpns[cnt] = vpn;
- /* Prevent any large pages from overlapping regular ones. */
- write_c0_pagemask(read_c0_pagemask() & PM_DEFAULT_MASK);
- mtc0_tlbw_hazard();
- tlb_write_indexed();
- tlbw_use_hazard();
+ global = !!(read_c0_entrylo0() & ENTRYLO_G);
+ entryhi = read_c0_entryhi_native();
+ mask = read_c0_pagemask();
+
+ asid = entryhi & cpu_asid_mask(¤t_cpu_data);
+ vpn = (entryhi & vpn_mask & ~mask) >> VPN2_SHIFT;
+ pagesz = ilog2((mask >> VPN2_SHIFT) + 1);
+
+ tlb_vpns[i].global = global;
+ tlb_vpns[i].asid = global ? 0 : asid;
+ tlb_vpns[i].vpn = vpn;
+ tlb_vpns[i].pagesz = pagesz;
+ tlb_vpns[i].wired = i < start;
+ tlb_vpns[i].index = i;
}
+}
- sort(tlb_vpns, cnt, sizeof(tlb_vpns[0]), r4k_vpn_cmp, NULL);
+/*
+ * Write unique values to all but the wired TLB entries each, using
+ * the 4KiB page size. This size might not be supported with R6, but
+ * EHINV is mandatory for R6, so we won't ever be called in that case.
+ *
+ * A sorted table is supplied with any wired entries at the beginning,
+ * followed by any global entries, and then finally regular entries.
+ * We start at the VPN and ASID values of zero and only assign user
+ * addresses, therefore guaranteeing no clash with addresses produced
+ * by UNIQUE_ENTRYHI. We avoid any VPN values used by wired or global
+ * entries, by increasing the VPN value beyond the span of such entry.
+ *
+ * When a VPN/ASID clash is found with a regular entry we increment the
+ * ASID instead until no VPN/ASID clash has been found or the ASID space
+ * has been exhausted, in which case we increase the VPN value beyond
+ * the span of the largest clashing entry.
+ *
+ * We do not need to be concerned about FTLB or MMID configurations as
+ * those are required to implement the EHINV feature.
+ */
+static void __ref r4k_tlb_uniquify_write(struct tlbent *tlb_vpns, int tlbsize)
+{
+ unsigned long long asid, vpn, vpn_size, pagesz;
+ int widx, gidx, idx, sidx, lidx, i;
- write_c0_pagemask(PM_DEFAULT_MASK);
+ vpn_size = 1ULL << (current_cpu_data.vmbits - VPN2_SHIFT);
+ pagesz = ilog2((PM_4K >> VPN2_SHIFT) + 1);
+
+ write_c0_pagemask(PM_4K);
write_c0_entrylo0(0);
write_c0_entrylo1(0);
- idx = 0;
- ent = tlbsize;
- for (i = start; i < tlbsize; i++)
- while (1) {
- unsigned long entryhi, vpn;
+ asid = 0;
+ vpn = 0;
+ widx = 0;
+ gidx = 0;
+ for (sidx = 0; sidx < tlbsize && tlb_vpns[sidx].wired; sidx++)
+ ;
+ for (lidx = sidx; lidx < tlbsize && tlb_vpns[lidx].global; lidx++)
+ ;
+ idx = gidx = sidx + 1;
+ for (i = sidx; i < tlbsize; i++) {
+ unsigned long long entryhi, vpn_pagesz = 0;
- entryhi = UNIQUE_ENTRYHI(ent);
- vpn = entryhi & vpn_mask & PAGE_MASK;
+ while (1) {
+ if (WARN_ON(vpn >= vpn_size)) {
+ dump_tlb_all();
+ /* Pray local_flush_tlb_all() will cope. */
+ return;
+ }
- if (idx >= cnt || vpn < tlb_vpns[idx]) {
- write_c0_entryhi(entryhi);
- write_c0_index(i);
- mtc0_tlbw_hazard();
- tlb_write_indexed();
- ent++;
- break;
- } else if (vpn == tlb_vpns[idx]) {
- ent++;
- } else {
+ /* VPN must be below the next wired entry. */
+ if (widx < sidx && vpn >= tlb_vpns[widx].vpn) {
+ vpn = max(vpn,
+ (tlb_vpns[widx].vpn +
+ (1ULL << tlb_vpns[widx].pagesz)));
+ asid = 0;
+ widx++;
+ continue;
+ }
+ /* VPN must be below the next global entry. */
+ if (gidx < lidx && vpn >= tlb_vpns[gidx].vpn) {
+ vpn = max(vpn,
+ (tlb_vpns[gidx].vpn +
+ (1ULL << tlb_vpns[gidx].pagesz)));
+ asid = 0;
+ gidx++;
+ continue;
+ }
+ /* Try to find a free ASID so as to conserve VPNs. */
+ if (idx < tlbsize && vpn == tlb_vpns[idx].vpn &&
+ asid == tlb_vpns[idx].asid) {
+ unsigned long long idx_pagesz;
+
+ idx_pagesz = tlb_vpns[idx].pagesz;
+ vpn_pagesz = max(vpn_pagesz, idx_pagesz);
+ do
+ idx++;
+ while (idx < tlbsize &&
+ vpn == tlb_vpns[idx].vpn &&
+ asid == tlb_vpns[idx].asid);
+ asid++;
+ if (asid > cpu_asid_mask(¤t_cpu_data)) {
+ vpn += vpn_pagesz;
+ asid = 0;
+ vpn_pagesz = 0;
+ }
+ continue;
+ }
+ /* VPN mustn't be above the next regular entry. */
+ if (idx < tlbsize && vpn > tlb_vpns[idx].vpn) {
+ vpn = max(vpn,
+ (tlb_vpns[idx].vpn +
+ (1ULL << tlb_vpns[idx].pagesz)));
+ asid = 0;
idx++;
+ continue;
}
+ break;
}
+ entryhi = (vpn << VPN2_SHIFT) | asid;
+ write_c0_entryhi_native(entryhi);
+ write_c0_index(tlb_vpns[i].index);
+ mtc0_tlbw_hazard();
+ tlb_write_indexed();
+
+ tlb_vpns[i].asid = asid;
+ tlb_vpns[i].vpn = vpn;
+ tlb_vpns[i].pagesz = pagesz;
+
+ asid++;
+ if (asid > cpu_asid_mask(¤t_cpu_data)) {
+ vpn += 1ULL << pagesz;
+ asid = 0;
+ }
+ }
+}
+
+/*
+ * Initialise all TLB entries with unique values that do not clash with
+ * what we have been handed over and what we'll be using ourselves.
+ */
+static void __ref r4k_tlb_uniquify(void)
+{
+ int tlbsize = current_cpu_data.tlbsize;
+ bool use_slab = slab_is_available();
+ phys_addr_t tlb_vpn_size;
+ struct tlbent *tlb_vpns;
+
+ tlb_vpn_size = tlbsize * sizeof(*tlb_vpns);
+ tlb_vpns = (use_slab ?
+ kmalloc(tlb_vpn_size, GFP_ATOMIC) :
+ memblock_alloc_raw(tlb_vpn_size, sizeof(*tlb_vpns)));
+ if (WARN_ON(!tlb_vpns))
+ return; /* Pray local_flush_tlb_all() is good enough. */
+
+ htw_stop();
+
+ r4k_tlb_uniquify_read(tlb_vpns, tlbsize);
+
+ sort(tlb_vpns, tlbsize, sizeof(*tlb_vpns), r4k_entry_cmp, NULL);
+
+ r4k_tlb_uniquify_write(tlb_vpns, tlbsize);
+
+ write_c0_pagemask(PM_DEFAULT_MASK);
+
tlbw_use_hazard();
htw_start();
flush_micro_tlb();
@@ -640,7 +814,8 @@ static void r4k_tlb_configure(void)
temp_tlb_entry = current_cpu_data.tlbsize - 1;
/* From this point on the ARC firmware is dead. */
- r4k_tlb_uniquify();
+ if (!cpu_has_tlbinv)
+ r4k_tlb_uniquify();
local_flush_tlb_all();
/* Did I tell you that ARC SUCKS? */
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 7604161a7785..7eb26f771954 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -628,6 +628,9 @@
#define MSR_AMD64_DC_CFG 0xc0011022
#define MSR_AMD64_TW_CFG 0xc0011023
+#define MSR_AMD64_FP_CFG 0xc0011028
+#define MSR_AMD64_FP_CFG_ZEN1_DENORM_FIX_BIT 9
+
#define MSR_AMD64_DE_CFG 0xc0011029
#define MSR_AMD64_DE_CFG_LFENCE_SERIALIZE_BIT 1
#define MSR_AMD64_DE_CFG_LFENCE_SERIALIZE BIT_ULL(MSR_AMD64_DE_CFG_LFENCE_SERIALIZE_BIT)
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 042849f576db..05e2e3c32707 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -935,6 +935,9 @@ static void init_amd_zen1(struct cpuinfo_x86 *c)
msr_clear_bit(MSR_K7_HWCR, MSR_K7_HWCR_IRPERF_EN_BIT);
clear_cpu_cap(c, X86_FEATURE_IRPERF);
}
+
+ pr_notice_once("AMD Zen1 FPDSS bug detected, enabling mitigation.\n");
+ msr_set_bit(MSR_AMD64_FP_CFG, MSR_AMD64_FP_CFG_ZEN1_DENORM_FIX_BIT);
}
static bool cpu_has_zenbleed_microcode(void)
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 7e0ce7bf68c9..98819ddcb3a8 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -585,10 +585,10 @@ int x509_process_extension(void *context, size_t hdrlen,
* 0x04 is where keyCertSign lands in this bit string
* 0x80 is where digitalSignature lands in this bit string
*/
- if (v[0] != ASN1_BTS)
- return -EBADMSG;
if (vlen < 4)
return -EBADMSG;
+ if (v[0] != ASN1_BTS)
+ return -EBADMSG;
if (v[2] >= 8)
return -EBADMSG;
if (v[3] & 0x80)
@@ -621,10 +621,10 @@ int x509_process_extension(void *context, size_t hdrlen,
* (Expect 0xFF if the CA is TRUE)
* vlen should match the entire extension size
*/
- if (v[0] != (ASN1_CONS_BIT | ASN1_SEQ))
- return -EBADMSG;
if (vlen < 2)
return -EBADMSG;
+ if (v[0] != (ASN1_CONS_BIT | ASN1_SEQ))
+ return -EBADMSG;
if (v[1] != vlen - 2)
return -EBADMSG;
/* Empty SEQUENCE means CA:FALSE (default value omitted per DER) */
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index d6eed727b0cd..a3d4860c8fbe 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -370,13 +370,13 @@ struct mem_ctl_info *edac_mc_alloc(unsigned int mc_num,
if (!mci->layers)
goto error;
+ mci->dev.release = mci_release;
+ device_initialize(&mci->dev);
+
mci->pvt_info = kzalloc(sz_pvt, GFP_KERNEL);
if (!mci->pvt_info)
goto error;
- mci->dev.release = mci_release;
- device_initialize(&mci->dev);
-
/* setup index and various internal pointers */
mci->mc_idx = mc_num;
mci->tot_dimms = tot_dimms;
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index e127ce172709..9b458f107c3a 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -2375,9 +2375,9 @@ static u32 psr2_pipe_srcsz_early_tpt_calc(struct intel_crtc_state *crtc_state,
static void clip_area_update(struct drm_rect *overlap_damage_area,
struct drm_rect *damage_area,
- struct drm_rect *pipe_src)
+ struct drm_rect *display_area)
{
- if (!drm_rect_intersect(damage_area, pipe_src))
+ if (!drm_rect_intersect(damage_area, display_area))
return;
if (overlap_damage_area->y1 == -1) {
@@ -2429,6 +2429,7 @@ static bool intel_psr2_sel_fetch_pipe_alignment(struct intel_crtc_state *crtc_st
static void
intel_psr2_sel_fetch_et_alignment(struct intel_atomic_state *state,
struct intel_crtc *crtc,
+ struct drm_rect *display_area,
bool *cursor_in_su_area)
{
struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
@@ -2456,7 +2457,7 @@ intel_psr2_sel_fetch_et_alignment(struct intel_atomic_state *state,
continue;
clip_area_update(&crtc_state->psr2_su_area, &new_plane_state->uapi.dst,
- &crtc_state->pipe_src);
+ display_area);
*cursor_in_su_area = true;
}
}
@@ -2504,6 +2505,12 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
struct intel_plane_state *new_plane_state, *old_plane_state;
struct intel_plane *plane;
+ struct drm_rect display_area = {
+ .x1 = 0,
+ .y1 = 0,
+ .x2 = crtc_state->hw.adjusted_mode.crtc_hdisplay,
+ .y2 = crtc_state->hw.adjusted_mode.crtc_vdisplay,
+ };
bool full_update = false, su_area_changed;
int i, ret;
@@ -2517,7 +2524,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
crtc_state->psr2_su_area.x1 = 0;
crtc_state->psr2_su_area.y1 = -1;
- crtc_state->psr2_su_area.x2 = drm_rect_width(&crtc_state->pipe_src);
+ crtc_state->psr2_su_area.x2 = drm_rect_width(&display_area);
crtc_state->psr2_su_area.y2 = -1;
/*
@@ -2555,14 +2562,14 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
damaged_area.y1 = old_plane_state->uapi.dst.y1;
damaged_area.y2 = old_plane_state->uapi.dst.y2;
clip_area_update(&crtc_state->psr2_su_area, &damaged_area,
- &crtc_state->pipe_src);
+ &display_area);
}
if (new_plane_state->uapi.visible) {
damaged_area.y1 = new_plane_state->uapi.dst.y1;
damaged_area.y2 = new_plane_state->uapi.dst.y2;
clip_area_update(&crtc_state->psr2_su_area, &damaged_area,
- &crtc_state->pipe_src);
+ &display_area);
}
continue;
} else if (new_plane_state->uapi.alpha != old_plane_state->uapi.alpha) {
@@ -2570,7 +2577,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
damaged_area.y1 = new_plane_state->uapi.dst.y1;
damaged_area.y2 = new_plane_state->uapi.dst.y2;
clip_area_update(&crtc_state->psr2_su_area, &damaged_area,
- &crtc_state->pipe_src);
+ &display_area);
continue;
}
@@ -2586,7 +2593,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
damaged_area.x1 += new_plane_state->uapi.dst.x1 - src.x1;
damaged_area.x2 += new_plane_state->uapi.dst.x1 - src.x1;
- clip_area_update(&crtc_state->psr2_su_area, &damaged_area, &crtc_state->pipe_src);
+ clip_area_update(&crtc_state->psr2_su_area, &damaged_area, &display_area);
}
/*
@@ -2626,7 +2633,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
* cursor is added into affected planes even when
* cursor is not updated by itself.
*/
- intel_psr2_sel_fetch_et_alignment(state, crtc, &cursor_in_su_area);
+ intel_psr2_sel_fetch_et_alignment(state, crtc, &display_area,
+ &cursor_in_su_area);
su_area_changed = intel_psr2_sel_fetch_pipe_alignment(crtc_state);
@@ -2702,8 +2710,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
skip_sel_fetch_set_loop:
if (full_update)
- clip_area_update(&crtc_state->psr2_su_area, &crtc_state->pipe_src,
- &crtc_state->pipe_src);
+ clip_area_update(&crtc_state->psr2_su_area, &display_area,
+ &display_area);
psr2_man_trk_ctl_calc(crtc_state, full_update);
crtc_state->pipe_srcsz_early_tpt =
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
index 8d4bb95f8424..cad81592c848 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
@@ -145,10 +145,12 @@ static void heartbeat(struct work_struct *wrk)
/* Just in case everything has gone horribly wrong, give it a kick */
intel_engine_flush_submission(engine);
- rq = engine->heartbeat.systole;
- if (rq && i915_request_completed(rq)) {
- i915_request_put(rq);
- engine->heartbeat.systole = NULL;
+ rq = xchg(&engine->heartbeat.systole, NULL);
+ if (rq) {
+ if (i915_request_completed(rq))
+ i915_request_put(rq);
+ else
+ engine->heartbeat.systole = rq;
}
if (!intel_engine_pm_get_if_awake(engine))
@@ -229,8 +231,11 @@ static void heartbeat(struct work_struct *wrk)
unlock:
mutex_unlock(&ce->timeline->mutex);
out:
- if (!engine->i915->params.enable_hangcheck || !next_heartbeat(engine))
- i915_request_put(fetch_and_zero(&engine->heartbeat.systole));
+ if (!engine->i915->params.enable_hangcheck || !next_heartbeat(engine)) {
+ rq = xchg(&engine->heartbeat.systole, NULL);
+ if (rq)
+ i915_request_put(rq);
+ }
intel_engine_pm_put(engine);
}
@@ -244,8 +249,13 @@ void intel_engine_unpark_heartbeat(struct intel_engine_cs *engine)
void intel_engine_park_heartbeat(struct intel_engine_cs *engine)
{
- if (cancel_delayed_work(&engine->heartbeat.work))
- i915_request_put(fetch_and_zero(&engine->heartbeat.systole));
+ if (cancel_delayed_work(&engine->heartbeat.work)) {
+ struct i915_request *rq;
+
+ rq = xchg(&engine->heartbeat.systole, NULL);
+ if (rq)
+ i915_request_put(rq);
+ }
}
void intel_gt_unpark_heartbeats(struct intel_gt *gt)
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 13336a2fd49c..0e9544a98e67 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -25,8 +25,10 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
+#include <linux/lockdep.h>
#include <linux/miscdevice.h>
#include <linux/overflow.h>
+#include <linux/spinlock.h>
#include <linux/input/mt.h>
#include "../input-compat.h"
@@ -57,6 +59,7 @@ struct uinput_device {
struct input_dev *dev;
struct mutex mutex;
enum uinput_state state;
+ spinlock_t state_lock;
wait_queue_head_t waitq;
unsigned char ready;
unsigned char head;
@@ -75,6 +78,8 @@ static int uinput_dev_event(struct input_dev *dev,
struct uinput_device *udev = input_get_drvdata(dev);
struct timespec64 ts;
+ lockdep_assert_held(&dev->event_lock);
+
ktime_get_ts64(&ts);
udev->buff[udev->head] = (struct input_event) {
@@ -146,27 +151,26 @@ static void uinput_request_release_slot(struct uinput_device *udev,
static int uinput_request_send(struct uinput_device *udev,
struct uinput_request *request)
{
- int retval;
+ unsigned long flags;
+ int retval = 0;
- retval = mutex_lock_interruptible(&udev->mutex);
- if (retval)
- return retval;
+ spin_lock(&udev->state_lock);
if (udev->state != UIST_CREATED) {
retval = -ENODEV;
goto out;
}
- init_completion(&request->done);
-
/*
* Tell our userspace application about this new request
* by queueing an input event.
*/
+ spin_lock_irqsave(&udev->dev->event_lock, flags);
uinput_dev_event(udev->dev, EV_UINPUT, request->code, request->id);
+ spin_unlock_irqrestore(&udev->dev->event_lock, flags);
out:
- mutex_unlock(&udev->mutex);
+ spin_unlock(&udev->state_lock);
return retval;
}
@@ -175,6 +179,13 @@ static int uinput_request_submit(struct uinput_device *udev,
{
int retval;
+ /*
+ * Initialize completion before allocating the request slot.
+ * Once the slot is allocated, uinput_flush_requests() may
+ * complete it at any time, so it must be initialized first.
+ */
+ init_completion(&request->done);
+
retval = uinput_request_reserve_slot(udev, request);
if (retval)
return retval;
@@ -289,7 +300,14 @@ static void uinput_destroy_device(struct uinput_device *udev)
struct input_dev *dev = udev->dev;
enum uinput_state old_state = udev->state;
+ /*
+ * Update state under state_lock so that concurrent
+ * uinput_request_send() sees the state change before we
+ * flush pending requests and tear down the device.
+ */
+ spin_lock(&udev->state_lock);
udev->state = UIST_NEW_DEVICE;
+ spin_unlock(&udev->state_lock);
if (dev) {
name = dev->name;
@@ -366,7 +384,9 @@ static int uinput_create_device(struct uinput_device *udev)
if (error)
goto fail2;
+ spin_lock(&udev->state_lock);
udev->state = UIST_CREATED;
+ spin_unlock(&udev->state_lock);
return 0;
@@ -384,6 +404,7 @@ static int uinput_open(struct inode *inode, struct file *file)
return -ENOMEM;
mutex_init(&newdev->mutex);
+ spin_lock_init(&newdev->state_lock);
spin_lock_init(&newdev->requests_lock);
init_waitqueue_head(&newdev->requests_waitq);
init_waitqueue_head(&newdev->waitq);
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index b5e7a359c086..29e9ace52573 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -2346,8 +2346,10 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
src_perms = BIT(QCOM_SCM_VMID_HLOS);
- qcom_scm_assign_mem(rmem->base, rmem->size, &src_perms,
+ err = qcom_scm_assign_mem(rmem->base, rmem->size, &src_perms,
data->vmperms, data->vmcount);
+ if (err)
+ goto fdev_error;
}
diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c
index fd67c0682b38..68a5f213c5fb 100644
--- a/drivers/mmc/host/vub300.c
+++ b/drivers/mmc/host/vub300.c
@@ -2369,8 +2369,8 @@ static void vub300_disconnect(struct usb_interface *interface)
usb_set_intfdata(interface, NULL);
/* prevent more I/O from starting */
vub300->interface = NULL;
- kref_put(&vub300->kref, vub300_delete);
mmc_remove_host(mmc);
+ kref_put(&vub300->kref, vub300_delete);
pr_info("USB vub300 remote SDIO host controller[%d]"
" now disconnected", ifnum);
return;
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 3c112c18ae6a..377c8024d1a5 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -572,6 +572,7 @@ static netdev_tx_t tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
DMA_TO_DEVICE);
if (dma_mapping_error(priv->device, dma_addr)) {
netdev_err(priv->dev, "%s: DMA mapping error\n", __func__);
+ dev_kfree_skb_any(skb);
ret = NETDEV_TX_OK;
goto out;
}
diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
index 3d80b53161a4..a3d4a0185c54 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
@@ -431,7 +431,9 @@ static void idpf_vc_xn_push_free(struct idpf_vc_xn_manager *vcxn_mngr,
struct idpf_vc_xn *xn)
{
idpf_vc_xn_release_bufs(xn);
+ spin_lock_bh(&vcxn_mngr->xn_bm_lock);
set_bit(xn->idx, vcxn_mngr->free_xn_bm);
+ spin_unlock_bh(&vcxn_mngr->xn_bm_lock);
}
/**
@@ -639,6 +641,10 @@ idpf_vc_xn_forward_reply(struct idpf_adapter *adapter,
err = -ENXIO;
goto out_unlock;
case IDPF_VC_XN_ASYNC:
+ /* Set reply_sz from the actual payload so that async_handler
+ * can evaluate the response.
+ */
+ xn->reply_sz = ctlq_msg->data_len;
err = idpf_vc_xn_forward_async(adapter, xn, ctlq_msg);
idpf_vc_xn_unlock(xn);
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 8bfa95cda006..8856949fbe6a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -2246,6 +2246,7 @@ static const struct pci_device_id mlx5_core_pci_table[] = {
{ PCI_VDEVICE(MELLANOX, 0x1023) }, /* ConnectX-8 */
{ PCI_VDEVICE(MELLANOX, 0x1025) }, /* ConnectX-9 */
{ PCI_VDEVICE(MELLANOX, 0x1027) }, /* ConnectX-10 */
+ { PCI_VDEVICE(MELLANOX, 0x2101) }, /* ConnectX-10 NVLink-C2C */
{ PCI_VDEVICE(MELLANOX, 0xa2d2) }, /* BlueField integrated ConnectX-5 network controller */
{ PCI_VDEVICE(MELLANOX, 0xa2d3), MLX5_PCI_DEV_IS_VF}, /* BlueField integrated ConnectX-5 network controller VF */
{ PCI_VDEVICE(MELLANOX, 0xa2d6) }, /* BlueField-2 integrated ConnectX-6 Dx network controller */
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c
index 502670718104..646f3d65274e 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c
@@ -91,6 +91,8 @@ static int lan966x_fdma_rx_alloc_page_pool(struct lan966x_rx *rx)
pp_params.dma_dir = DMA_BIDIRECTIONAL;
rx->page_pool = page_pool_create(&pp_params);
+ if (unlikely(IS_ERR(rx->page_pool)))
+ return PTR_ERR(rx->page_pool);
for (int i = 0; i < lan966x->num_phys_ports; ++i) {
struct lan966x_port *port;
@@ -117,8 +119,10 @@ static int lan966x_fdma_rx_alloc(struct lan966x_rx *rx)
return PTR_ERR(rx->page_pool);
err = fdma_alloc_coherent(lan966x->dev, fdma);
- if (err)
+ if (err) {
+ page_pool_destroy(rx->page_pool);
return err;
+ }
fdma_dcbs_init(fdma, FDMA_DCB_INFO_DATAL(fdma->db_size),
FDMA_DCB_STATUS_INTR);
@@ -809,9 +813,15 @@ static int lan966x_qsys_sw_status(struct lan966x *lan966x)
static int lan966x_fdma_reload(struct lan966x *lan966x, int new_mtu)
{
+ struct page *(*old_pages)[FDMA_RX_DCB_MAX_DBS];
struct page_pool *page_pool;
struct fdma fdma_rx_old;
- int err;
+ int err, i, j;
+
+ old_pages = kmemdup(lan966x->rx.page, sizeof(lan966x->rx.page),
+ GFP_KERNEL);
+ if (!old_pages)
+ return -ENOMEM;
/* Store these for later to free them */
memcpy(&fdma_rx_old, &lan966x->rx.fdma, sizeof(struct fdma));
@@ -822,7 +832,6 @@ static int lan966x_fdma_reload(struct lan966x *lan966x, int new_mtu)
lan966x_fdma_stop_netdev(lan966x);
lan966x_fdma_rx_disable(&lan966x->rx);
- lan966x_fdma_rx_free_pages(&lan966x->rx);
lan966x->rx.page_order = round_up(new_mtu, PAGE_SIZE) / PAGE_SIZE - 1;
lan966x->rx.max_mtu = new_mtu;
err = lan966x_fdma_rx_alloc(&lan966x->rx);
@@ -830,6 +839,11 @@ static int lan966x_fdma_reload(struct lan966x *lan966x, int new_mtu)
goto restore;
lan966x_fdma_rx_start(&lan966x->rx);
+ for (i = 0; i < fdma_rx_old.n_dcbs; ++i)
+ for (j = 0; j < fdma_rx_old.n_dbs; ++j)
+ page_pool_put_full_page(page_pool,
+ old_pages[i][j], false);
+
fdma_free_coherent(lan966x->dev, &fdma_rx_old);
page_pool_destroy(page_pool);
@@ -837,12 +851,17 @@ static int lan966x_fdma_reload(struct lan966x *lan966x, int new_mtu)
lan966x_fdma_wakeup_netdev(lan966x);
napi_enable(&lan966x->napi);
- return err;
+ kfree(old_pages);
+ return 0;
restore:
lan966x->rx.page_pool = page_pool;
memcpy(&lan966x->rx.fdma, &fdma_rx_old, sizeof(struct fdma));
lan966x_fdma_rx_start(&lan966x->rx);
+ lan966x_fdma_wakeup_netdev(lan966x);
+ napi_enable(&lan966x->napi);
+
+ kfree(old_pages);
return err;
}
@@ -956,6 +975,7 @@ int lan966x_fdma_init(struct lan966x *lan966x)
err = lan966x_fdma_tx_alloc(&lan966x->tx);
if (err) {
fdma_free_coherent(lan966x->dev, &lan966x->rx.fdma);
+ page_pool_destroy(lan966x->rx.page_pool);
return err;
}
diff --git a/drivers/net/ethernet/qualcomm/qca_uart.c b/drivers/net/ethernet/qualcomm/qca_uart.c
index 37efb1ea9fcd..847a5f928e41 100644
--- a/drivers/net/ethernet/qualcomm/qca_uart.c
+++ b/drivers/net/ethernet/qualcomm/qca_uart.c
@@ -100,7 +100,7 @@ qca_tty_receive(struct serdev_device *serdev, const u8 *data, size_t count)
if (!qca->rx_skb) {
netdev_dbg(netdev, "recv: out of RX resources\n");
n_stats->rx_errors++;
- return i;
+ return i + 1;
}
}
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
index fb55efd52240..1c01e3c640ce 100644
--- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
@@ -20,7 +20,7 @@ static int jumbo_frm(struct stmmac_tx_queue *tx_q, struct sk_buff *skb,
unsigned int nopaged_len = skb_headlen(skb);
struct stmmac_priv *priv = tx_q->priv_data;
unsigned int entry = tx_q->cur_tx;
- unsigned int bmax, des2;
+ unsigned int bmax, buf_len, des2;
unsigned int i = 1, len;
struct dma_desc *desc;
@@ -31,17 +31,18 @@ static int jumbo_frm(struct stmmac_tx_queue *tx_q, struct sk_buff *skb,
else
bmax = BUF_SIZE_2KiB;
- len = nopaged_len - bmax;
+ buf_len = min_t(unsigned int, nopaged_len, bmax);
+ len = nopaged_len - buf_len;
des2 = dma_map_single(priv->device, skb->data,
- bmax, DMA_TO_DEVICE);
+ buf_len, DMA_TO_DEVICE);
desc->des2 = cpu_to_le32(des2);
if (dma_mapping_error(priv->device, des2))
return -1;
tx_q->tx_skbuff_dma[entry].buf = des2;
- tx_q->tx_skbuff_dma[entry].len = bmax;
+ tx_q->tx_skbuff_dma[entry].len = buf_len;
/* do not close the descriptor and do not set own bit */
- stmmac_prepare_tx_desc(priv, desc, 1, bmax, csum, STMMAC_CHAIN_MODE,
+ stmmac_prepare_tx_desc(priv, desc, 1, buf_len, csum, STMMAC_CHAIN_MODE,
0, false, skb->len);
while (len != 0) {
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c
index bd480239368a..9c356f2a5c4d 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c
@@ -483,7 +483,7 @@ static void *dma_ringalloc(struct dma_info *di, u32 boundary, uint size,
if (((desc_strtaddr + size - 1) & boundary) != (desc_strtaddr
& boundary)) {
*alignbits = dma_align_sizetobits(size);
- dma_free_coherent(di->dmadev, size, va, *descpa);
+ dma_free_coherent(di->dmadev, *alloced, va, *descpa);
va = dma_alloc_consistent(di, size, *alignbits,
alloced, descpa);
}
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
index 8fd22c69855f..9b193e467886 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
@@ -830,7 +830,7 @@ int rt2x00usb_probe(struct usb_interface *usb_intf,
if (retval)
goto exit_free_device;
- rt2x00dev->anchor = devm_kmalloc(&usb_dev->dev,
+ rt2x00dev->anchor = devm_kmalloc(&usb_intf->dev,
sizeof(struct usb_anchor),
GFP_KERNEL);
if (!rt2x00dev->anchor) {
diff --git a/drivers/nfc/pn533/uart.c b/drivers/nfc/pn533/uart.c
index 1393f83f3149..560d90b15df6 100644
--- a/drivers/nfc/pn533/uart.c
+++ b/drivers/nfc/pn533/uart.c
@@ -211,6 +211,13 @@ static size_t pn532_receive_buf(struct serdev_device *serdev,
del_timer(&dev->cmd_timeout);
for (i = 0; i < count; i++) {
+ if (!dev->recv_skb) {
+ dev->recv_skb = alloc_skb(PN532_UART_SKB_BUFF_LEN,
+ GFP_KERNEL);
+ if (!dev->recv_skb)
+ return i;
+ }
+
if (unlikely(!skb_tailroom(dev->recv_skb)))
skb_trim(dev->recv_skb, 0);
@@ -219,9 +226,7 @@ static size_t pn532_receive_buf(struct serdev_device *serdev,
continue;
pn533_recv_frame(dev->priv, dev->recv_skb, 0);
- dev->recv_skb = alloc_skb(PN532_UART_SKB_BUFF_LEN, GFP_KERNEL);
- if (!dev->recv_skb)
- return 0;
+ dev->recv_skb = NULL;
}
return i;
diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
index e36ae804e21e..ff3f1e6fe910 100644
--- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
+++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
@@ -421,6 +421,7 @@ static void remove_cluster_entries(struct tpmi_uncore_struct *tpmi_uncore)
#define UNCORE_VERSION_MASK GENMASK_ULL(7, 0)
#define UNCORE_LOCAL_FABRIC_CLUSTER_ID_MASK GENMASK_ULL(15, 8)
#define UNCORE_CLUSTER_OFF_MASK GENMASK_ULL(7, 0)
+#define UNCORE_AUTONOMOUS_UFS_DISABLED BIT(32)
#define UNCORE_MAX_CLUSTER_PER_DOMAIN 8
static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_device_id *id)
@@ -482,6 +483,7 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_
for (i = 0; i < num_resources; ++i) {
struct tpmi_uncore_power_domain_info *pd_info;
+ bool auto_ufs_enabled;
struct resource *res;
u64 cluster_offset;
u8 cluster_mask;
@@ -531,6 +533,8 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_
continue;
}
+ auto_ufs_enabled = !(header & UNCORE_AUTONOMOUS_UFS_DISABLED);
+
/* Find out number of clusters in this resource */
pd_info->cluster_count = hweight8(cluster_mask);
@@ -568,7 +572,9 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_
cluster_info->uncore_root = tpmi_uncore;
- if (TPMI_MINOR_VERSION(pd_info->ufs_header_ver) >= UNCORE_ELC_SUPPORTED_VERSION)
+ if ((TPMI_MINOR_VERSION(pd_info->ufs_header_ver) >=
+ UNCORE_ELC_SUPPORTED_VERSION) &&
+ auto_ufs_enabled)
cluster_info->elc_supported = true;
ret = uncore_freq_add_entry(&cluster_info->uncore_data, 0);
diff --git a/drivers/pmdomain/imx/imx8mp-blk-ctrl.c b/drivers/pmdomain/imx/imx8mp-blk-ctrl.c
index 9d845d3653d4..aebc3a0dedee 100644
--- a/drivers/pmdomain/imx/imx8mp-blk-ctrl.c
+++ b/drivers/pmdomain/imx/imx8mp-blk-ctrl.c
@@ -352,9 +352,6 @@ static void imx8mp_hdmi_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc,
regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(12));
regmap_clear_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(3));
break;
- case IMX8MP_HDMIBLK_PD_HDCP:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
- break;
case IMX8MP_HDMIBLK_PD_HRV:
regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
@@ -408,9 +405,6 @@ static void imx8mp_hdmi_blk_ctrl_power_off(struct imx8mp_blk_ctrl *bc,
regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(7));
regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(22) | BIT(24));
break;
- case IMX8MP_HDMIBLK_PD_HDCP:
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
- break;
case IMX8MP_HDMIBLK_PD_HRV:
regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
@@ -439,7 +433,7 @@ static int imx8mp_hdmi_power_notifier(struct notifier_block *nb,
regmap_write(bc->regmap, HDMI_RTX_CLK_CTL0, 0x0);
regmap_write(bc->regmap, HDMI_RTX_CLK_CTL1, 0x0);
regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
- BIT(0) | BIT(1) | BIT(10));
+ BIT(0) | BIT(1) | BIT(10) | BIT(11));
regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(0));
/*
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 60eee984f3a5..efe45ce94374 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -43,7 +43,8 @@ void ucsi_notify_common(struct ucsi *ucsi, u32 cci)
return;
if (UCSI_CCI_CONNECTOR(cci)) {
- if (UCSI_CCI_CONNECTOR(cci) <= ucsi->cap.num_connectors)
+ if (!ucsi->cap.num_connectors ||
+ UCSI_CCI_CONNECTOR(cci) <= ucsi->cap.num_connectors)
ucsi_connector_change(ucsi, UCSI_CCI_CONNECTOR(cci));
else
dev_err(ucsi->dev, "bogus connector number in CCI: %lu\n",
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 05e91ed0af19..2dab2ce94cc4 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -225,8 +225,7 @@ int btrfs_read_extent_buffer(struct extent_buffer *eb,
ASSERT(check);
while (1) {
- clear_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags);
- ret = read_extent_buffer_pages(eb, WAIT_COMPLETE, mirror_num, check);
+ ret = read_extent_buffer_pages(eb, mirror_num, check);
if (!ret)
break;
@@ -454,15 +453,9 @@ int btrfs_validate_extent_buffer(struct extent_buffer *eb,
goto out;
}
- /*
- * If this is a leaf block and it is corrupt, set the corrupt bit so
- * that we don't try and read the other copies of this block, just
- * return -EIO.
- */
- if (found_level == 0 && btrfs_check_leaf(eb)) {
- set_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags);
+ /* If this is a leaf block and it is corrupt, just return -EIO. */
+ if (found_level == 0 && btrfs_check_leaf(eb))
ret = -EIO;
- }
if (found_level > 0 && btrfs_check_node(eb))
ret = -EIO;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index c052c8df05fb..3e44a303dea7 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -479,7 +479,7 @@ static noinline int lookup_extent_data_ref(struct btrfs_trans_handle *trans,
btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);
if (key.objectid != bytenr ||
key.type != BTRFS_EXTENT_DATA_REF_KEY)
- goto fail;
+ return -ENOENT;
ref = btrfs_item_ptr(leaf, path->slots[0],
struct btrfs_extent_data_ref);
@@ -490,12 +490,11 @@ static noinline int lookup_extent_data_ref(struct btrfs_trans_handle *trans,
btrfs_release_path(path);
goto again;
}
- ret = 0;
- break;
+ return 0;
}
path->slots[0]++;
}
-fail:
+
return ret;
}
@@ -2470,7 +2469,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
int i;
int action;
int level;
- int ret = 0;
+ int ret;
if (btrfs_is_testing(fs_info))
return 0;
@@ -2522,7 +2521,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
else
ret = btrfs_free_extent(trans, &ref);
if (ret)
- goto fail;
+ return ret;
} else {
/* We don't know the owning_root, leave as 0. */
ref.bytenr = btrfs_node_blockptr(buf, i);
@@ -2535,12 +2534,10 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
else
ret = btrfs_free_extent(trans, &ref);
if (ret)
- goto fail;
+ return ret;
}
}
return 0;
-fail:
- return ret;
}
int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
@@ -3469,12 +3466,12 @@ int btrfs_free_tree_block(struct btrfs_trans_handle *trans,
return 0;
if (btrfs_header_generation(buf) != trans->transid)
- goto out;
+ return 0;
if (root_id != BTRFS_TREE_LOG_OBJECTID) {
ret = check_ref_cleanup(trans, buf->start);
if (!ret)
- goto out;
+ return 0;
}
bg = btrfs_lookup_block_group(fs_info, buf->start);
@@ -3482,7 +3479,7 @@ int btrfs_free_tree_block(struct btrfs_trans_handle *trans,
if (btrfs_header_flag(buf, BTRFS_HEADER_FLAG_WRITTEN)) {
pin_down_extent(trans, bg, buf->start, buf->len, 1);
btrfs_put_block_group(bg);
- goto out;
+ return 0;
}
/*
@@ -3506,7 +3503,7 @@ int btrfs_free_tree_block(struct btrfs_trans_handle *trans,
|| btrfs_is_zoned(fs_info)) {
pin_down_extent(trans, bg, buf->start, buf->len, 1);
btrfs_put_block_group(bg);
- goto out;
+ return 0;
}
WARN_ON(test_bit(EXTENT_BUFFER_DIRTY, &buf->bflags));
@@ -3516,13 +3513,6 @@ int btrfs_free_tree_block(struct btrfs_trans_handle *trans,
btrfs_put_block_group(bg);
trace_btrfs_reserved_extent_free(fs_info, buf->start, buf->len);
-out:
-
- /*
- * Deleting the buffer, clear the corrupt flag since it doesn't
- * matter anymore.
- */
- clear_bit(EXTENT_BUFFER_CORRUPT, &buf->bflags);
return 0;
}
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 2e8dc928621c..0d50f3063d34 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1671,12 +1671,6 @@ static int extent_writepage(struct folio *folio, struct btrfs_bio_ctrl *bio_ctrl
return ret;
}
-void wait_on_extent_buffer_writeback(struct extent_buffer *eb)
-{
- wait_on_bit_io(&eb->bflags, EXTENT_BUFFER_WRITEBACK,
- TASK_UNINTERRUPTIBLE);
-}
-
/*
* Lock extent buffer status and pages for writeback.
*
@@ -3642,8 +3636,8 @@ static void end_bbio_meta_read(struct btrfs_bio *bbio)
bio_put(&bbio->bio);
}
-int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num,
- const struct btrfs_tree_parent_check *check)
+int read_extent_buffer_pages_nowait(struct extent_buffer *eb, int mirror_num,
+ const struct btrfs_tree_parent_check *check)
{
struct btrfs_bio *bbio;
bool ret;
@@ -3661,7 +3655,7 @@ int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num,
/* Someone else is already reading the buffer, just wait for it. */
if (test_and_set_bit(EXTENT_BUFFER_READING, &eb->bflags))
- goto done;
+ return 0;
/*
* Between the initial test_bit(EXTENT_BUFFER_UPTODATE) and the above
@@ -3701,14 +3695,21 @@ int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num,
}
}
btrfs_submit_bbio(bbio, mirror_num);
+ return 0;
+}
-done:
- if (wait == WAIT_COMPLETE) {
- wait_on_bit_io(&eb->bflags, EXTENT_BUFFER_READING, TASK_UNINTERRUPTIBLE);
- if (!test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))
- return -EIO;
- }
+int read_extent_buffer_pages(struct extent_buffer *eb, int mirror_num,
+ const struct btrfs_tree_parent_check *check)
+{
+ int ret;
+ ret = read_extent_buffer_pages_nowait(eb, mirror_num, check);
+ if (ret < 0)
+ return ret;
+
+ wait_on_bit_io(&eb->bflags, EXTENT_BUFFER_READING, TASK_UNINTERRUPTIBLE);
+ if (!test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))
+ return -EIO;
return 0;
}
@@ -4440,7 +4441,7 @@ void btrfs_readahead_tree_block(struct btrfs_fs_info *fs_info,
return;
}
- ret = read_extent_buffer_pages(eb, WAIT_NONE, 0, &check);
+ ret = read_extent_buffer_pages_nowait(eb, 0, &check);
if (ret < 0)
free_extent_buffer_stale(eb);
else
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index c63ccfb9fc37..0eedfd7c4b6e 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -38,9 +38,6 @@ struct btrfs_tree_parent_check;
enum {
EXTENT_BUFFER_UPTODATE,
EXTENT_BUFFER_DIRTY,
- EXTENT_BUFFER_CORRUPT,
- /* this got triggered by readahead */
- EXTENT_BUFFER_READAHEAD,
EXTENT_BUFFER_TREE_REF,
EXTENT_BUFFER_STALE,
EXTENT_BUFFER_WRITEBACK,
@@ -261,12 +258,17 @@ struct extent_buffer *find_extent_buffer(struct btrfs_fs_info *fs_info,
u64 start);
void free_extent_buffer(struct extent_buffer *eb);
void free_extent_buffer_stale(struct extent_buffer *eb);
-#define WAIT_NONE 0
-#define WAIT_COMPLETE 1
-#define WAIT_PAGE_LOCK 2
-int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num,
+int read_extent_buffer_pages(struct extent_buffer *eb, int mirror_num,
const struct btrfs_tree_parent_check *parent_check);
-void wait_on_extent_buffer_writeback(struct extent_buffer *eb);
+int read_extent_buffer_pages_nowait(struct extent_buffer *eb, int mirror_num,
+ const struct btrfs_tree_parent_check *parent_check);
+
+static inline void wait_on_extent_buffer_writeback(struct extent_buffer *eb)
+{
+ wait_on_bit_io(&eb->bflags, EXTENT_BUFFER_WRITEBACK,
+ TASK_UNINTERRUPTIBLE);
+}
+
void btrfs_readahead_tree_block(struct btrfs_fs_info *fs_info,
u64 bytenr, u64 owner_root, u64 gen, int level);
void btrfs_readahead_node_child(struct extent_buffer *node, int slot);
diff --git a/include/net/netfilter/nf_conntrack_timeout.h b/include/net/netfilter/nf_conntrack_timeout.h
index 9fdaba911de6..3a66d4abb6d6 100644
--- a/include/net/netfilter/nf_conntrack_timeout.h
+++ b/include/net/netfilter/nf_conntrack_timeout.h
@@ -14,6 +14,7 @@
struct nf_ct_timeout {
__u16 l3num;
const struct nf_conntrack_l4proto *l4proto;
+ struct rcu_head rcu;
char data[];
};
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index c6cae9456698..3eb806f7bc6a 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -298,7 +298,7 @@
EM(rxrpc_call_see_release, "SEE release ") \
EM(rxrpc_call_see_userid_exists, "SEE u-exists") \
EM(rxrpc_call_see_waiting_call, "SEE q-conn ") \
- E_(rxrpc_call_see_zap, "SEE zap ")
+ E_(rxrpc_call_see_still_live, "SEE !still-l")
#define rxrpc_txqueue_traces \
EM(rxrpc_txqueue_await_reply, "AWR") \
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 86ef9c8f45da..25df16aed142 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -1781,15 +1781,6 @@ static void dispatch_enqueue(struct scx_dispatch_q *dsq, struct task_struct *p,
dsq_mod_nr(dsq, 1);
p->scx.dsq = dsq;
- /*
- * scx.ddsp_dsq_id and scx.ddsp_enq_flags are only relevant on the
- * direct dispatch path, but we clear them here because the direct
- * dispatch verdict may be overridden on the enqueue path during e.g.
- * bypass.
- */
- p->scx.ddsp_dsq_id = SCX_DSQ_INVALID;
- p->scx.ddsp_enq_flags = 0;
-
/*
* We're transitioning out of QUEUEING or DISPATCHING. store_release to
* match waiters' load_acquire.
@@ -1930,11 +1921,33 @@ static void mark_direct_dispatch(struct task_struct *ddsp_task,
p->scx.ddsp_enq_flags = enq_flags;
}
+/*
+ * Clear @p direct dispatch state when leaving the scheduler.
+ *
+ * Direct dispatch state must be cleared in the following cases:
+ * - direct_dispatch(): cleared on the synchronous enqueue path, deferred
+ * dispatch keeps the state until consumed
+ * - process_ddsp_deferred_locals(): cleared after consuming deferred state,
+ * - do_enqueue_task(): cleared on enqueue fallbacks where the dispatch
+ * verdict is ignored (local/global/bypass)
+ * - dequeue_task_scx(): cleared after dispatch_dequeue(), covering deferred
+ * cancellation and holding_cpu races
+ * - scx_disable_task(): cleared for queued wakeup tasks, which are excluded by
+ * the scx_bypass() loop, so that stale state is not reused by a subsequent
+ * scheduler instance
+ */
+static inline void clear_direct_dispatch(struct task_struct *p)
+{
+ p->scx.ddsp_dsq_id = SCX_DSQ_INVALID;
+ p->scx.ddsp_enq_flags = 0;
+}
+
static void direct_dispatch(struct task_struct *p, u64 enq_flags)
{
struct rq *rq = task_rq(p);
struct scx_dispatch_q *dsq =
find_dsq_for_dispatch(rq, p->scx.ddsp_dsq_id, p);
+ u64 ddsp_enq_flags;
touch_core_sched_dispatch(rq, p);
@@ -1975,7 +1988,10 @@ static void direct_dispatch(struct task_struct *p, u64 enq_flags)
return;
}
- dispatch_enqueue(dsq, p, p->scx.ddsp_enq_flags | SCX_ENQ_CLEAR_OPSS);
+ ddsp_enq_flags = p->scx.ddsp_enq_flags;
+ clear_direct_dispatch(p);
+
+ dispatch_enqueue(dsq, p, ddsp_enq_flags | SCX_ENQ_CLEAR_OPSS);
}
static bool scx_rq_online(struct rq *rq)
@@ -2060,12 +2076,14 @@ static void do_enqueue_task(struct rq *rq, struct task_struct *p, u64 enq_flags,
touch_core_sched(rq, p);
p->scx.slice = SCX_SLICE_DFL;
local_norefill:
+ clear_direct_dispatch(p);
dispatch_enqueue(&rq->scx.local_dsq, p, enq_flags);
return;
global:
touch_core_sched(rq, p); /* see the comment in local: */
p->scx.slice = SCX_SLICE_DFL;
+ clear_direct_dispatch(p);
dispatch_enqueue(find_global_dsq(p), p, enq_flags);
}
@@ -2225,6 +2243,7 @@ static bool dequeue_task_scx(struct rq *rq, struct task_struct *p, int deq_flags
sub_nr_running(rq, 1);
dispatch_dequeue(rq, p);
+ clear_direct_dispatch(p);
return true;
}
@@ -2905,12 +2924,15 @@ static void process_ddsp_deferred_locals(struct rq *rq)
while ((p = list_first_entry_or_null(&rq->scx.ddsp_deferred_locals,
struct task_struct, scx.dsq_list.node))) {
struct scx_dispatch_q *dsq;
+ u64 dsq_id = p->scx.ddsp_dsq_id;
+ u64 enq_flags = p->scx.ddsp_enq_flags;
list_del_init(&p->scx.dsq_list.node);
+ clear_direct_dispatch(p);
- dsq = find_dsq_for_dispatch(rq, p->scx.ddsp_dsq_id, p);
+ dsq = find_dsq_for_dispatch(rq, dsq_id, p);
if (!WARN_ON_ONCE(dsq->id != SCX_DSQ_LOCAL))
- dispatch_to_local_dsq(rq, dsq, p, p->scx.ddsp_enq_flags);
+ dispatch_to_local_dsq(rq, dsq, p, enq_flags);
}
}
@@ -3707,6 +3729,8 @@ static void scx_ops_disable_task(struct task_struct *p)
lockdep_assert_rq_held(task_rq(p));
WARN_ON_ONCE(scx_get_task_state(p) != SCX_TASK_ENABLED);
+ clear_direct_dispatch(p);
+
if (SCX_HAS_OP(disable))
SCX_CALL_OP_TASK(SCX_KF_REST, disable, p);
scx_set_task_state(p, SCX_TASK_READY);
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 8fd292d34d89..6cb5772e6aa9 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -251,8 +251,6 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
cpu = raw_smp_processor_id();
if (blk_tracer) {
- tracing_record_cmdline(current);
-
buffer = blk_tr->array_buffer.buffer;
trace_ctx = tracing_gen_ctx_flags(0);
event = trace_buffer_lock_reserve(buffer, TRACE_BLK,
@@ -260,6 +258,8 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
trace_ctx);
if (!event)
return;
+
+ tracing_record_cmdline(current);
t = ring_buffer_event_data(event);
goto record_it;
}
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index b2fdb8719a74..e6954e9409f9 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1856,8 +1856,20 @@ static void unplug_oldest_pwq(struct workqueue_struct *wq)
raw_spin_lock_irq(&pwq->pool->lock);
if (pwq->plugged) {
pwq->plugged = false;
- if (pwq_activate_first_inactive(pwq, true))
+ if (pwq_activate_first_inactive(pwq, true)) {
+ /*
+ * While plugged, queueing skips activation which
+ * includes bumping the nr_active count and adding the
+ * pwq to nna->pending_pwqs if the count can't be
+ * obtained. We need to restore both for the pwq being
+ * unplugged. The first call activates the first
+ * inactive work item and the second, if there are more
+ * inactive, puts the pwq on pending_pwqs.
+ */
+ pwq_activate_first_inactive(pwq, false);
+
kick_pool(pwq->pool);
+ }
}
raw_spin_unlock_irq(&pwq->pool->lock);
}
diff --git a/lib/crypto/chacha.c b/lib/crypto/chacha.c
index 3cdda3b5ee06..1271a7de1ba7 100644
--- a/lib/crypto/chacha.c
+++ b/lib/crypto/chacha.c
@@ -86,6 +86,8 @@ void chacha_block_generic(u32 *state, u8 *stream, int nrounds)
put_unaligned_le32(x[i] + state[i], &stream[i * sizeof(u32)]);
state[12]++;
+
+ memzero_explicit(x, sizeof(x));
}
EXPORT_SYMBOL(chacha_block_generic);
@@ -110,5 +112,7 @@ void hchacha_block_generic(const u32 *state, u32 *stream, int nrounds)
memcpy(&stream[0], &x[0], 16);
memcpy(&stream[4], &x[12], 16);
+
+ memzero_explicit(x, sizeof(x));
}
EXPORT_SYMBOL(hchacha_block_generic);
diff --git a/mm/filemap.c b/mm/filemap.c
index d8d9c0f0beb6..dc6a8451917f 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -3655,14 +3655,19 @@ vm_fault_t filemap_map_pages(struct vm_fault *vmf,
unsigned int nr_pages = 0, mmap_miss = 0, mmap_miss_saved, folio_type;
bool can_map_large;
+ /*
+ * Recalculate end_pgoff based on file_end before calling
+ * next_uptodate_folio() to avoid races with concurrent
+ * truncation.
+ */
+ file_end = DIV_ROUND_UP(i_size_read(mapping->host), PAGE_SIZE) - 1;
+ end_pgoff = min(end_pgoff, file_end);
+
rcu_read_lock();
folio = next_uptodate_folio(&xas, mapping, end_pgoff);
if (!folio)
goto out;
- file_end = DIV_ROUND_UP(i_size_read(mapping->host), PAGE_SIZE) - 1;
- end_pgoff = min(end_pgoff, file_end);
-
/*
* Do not allow to map with PTEs beyond i_size and with PMD
* across i_size to preserve SIGBUS semantics.
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 5f46ca3d4bb8..53721ce414dc 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -2132,6 +2132,7 @@ batadv_bla_claim_dump_entry(struct sk_buff *msg, u32 portid,
struct batadv_bla_claim *claim)
{
const u8 *primary_addr = primary_if->net_dev->dev_addr;
+ struct batadv_bla_backbone_gw *backbone_gw;
u16 backbone_crc;
bool is_own;
void *hdr;
@@ -2147,32 +2148,35 @@ batadv_bla_claim_dump_entry(struct sk_buff *msg, u32 portid,
genl_dump_check_consistent(cb, hdr);
- is_own = batadv_compare_eth(claim->backbone_gw->orig,
- primary_addr);
+ backbone_gw = batadv_bla_claim_get_backbone_gw(claim);
+
+ is_own = batadv_compare_eth(backbone_gw->orig, primary_addr);
- spin_lock_bh(&claim->backbone_gw->crc_lock);
- backbone_crc = claim->backbone_gw->crc;
- spin_unlock_bh(&claim->backbone_gw->crc_lock);
+ spin_lock_bh(&backbone_gw->crc_lock);
+ backbone_crc = backbone_gw->crc;
+ spin_unlock_bh(&backbone_gw->crc_lock);
if (is_own)
if (nla_put_flag(msg, BATADV_ATTR_BLA_OWN)) {
genlmsg_cancel(msg, hdr);
- goto out;
+ goto put_backbone_gw;
}
if (nla_put(msg, BATADV_ATTR_BLA_ADDRESS, ETH_ALEN, claim->addr) ||
nla_put_u16(msg, BATADV_ATTR_BLA_VID, claim->vid) ||
nla_put(msg, BATADV_ATTR_BLA_BACKBONE, ETH_ALEN,
- claim->backbone_gw->orig) ||
+ backbone_gw->orig) ||
nla_put_u16(msg, BATADV_ATTR_BLA_CRC,
backbone_crc)) {
genlmsg_cancel(msg, hdr);
- goto out;
+ goto put_backbone_gw;
}
genlmsg_end(msg, hdr);
ret = 0;
+put_backbone_gw:
+ batadv_backbone_gw_put(backbone_gw);
out:
return ret;
}
@@ -2468,6 +2472,7 @@ int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb)
bool batadv_bla_check_claim(struct batadv_priv *bat_priv,
u8 *addr, unsigned short vid)
{
+ struct batadv_bla_backbone_gw *backbone_gw;
struct batadv_bla_claim search_claim;
struct batadv_bla_claim *claim = NULL;
struct batadv_hard_iface *primary_if = NULL;
@@ -2490,9 +2495,13 @@ bool batadv_bla_check_claim(struct batadv_priv *bat_priv,
* return false.
*/
if (claim) {
- if (!batadv_compare_eth(claim->backbone_gw->orig,
+ backbone_gw = batadv_bla_claim_get_backbone_gw(claim);
+
+ if (!batadv_compare_eth(backbone_gw->orig,
primary_if->net_dev->dev_addr))
ret = false;
+
+ batadv_backbone_gw_put(backbone_gw);
batadv_claim_put(claim);
}
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 53dea8ae96e4..d830ccf01669 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -844,8 +844,8 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node,
{
u16 num_vlan = 0;
u16 num_entries = 0;
- u16 change_offset;
- u16 tvlv_len;
+ u16 tvlv_len = 0;
+ unsigned int change_offset;
struct batadv_tvlv_tt_vlan_data *tt_vlan;
struct batadv_orig_node_vlan *vlan;
u8 *tt_change_ptr;
@@ -863,6 +863,11 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node,
if (*tt_len < 0)
*tt_len = batadv_tt_len(num_entries);
+ if (change_offset > U16_MAX || *tt_len > U16_MAX - change_offset) {
+ *tt_len = 0;
+ goto out;
+ }
+
tvlv_len = *tt_len;
tvlv_len += change_offset;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index c3e1395d8ac5..a753d01b587b 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1072,10 +1072,7 @@ static int skb_pp_frag_ref(struct sk_buff *skb)
static void skb_kfree_head(void *head, unsigned int end_offset)
{
- if (end_offset == SKB_SMALL_HEAD_HEADROOM)
- kmem_cache_free(net_hotdata.skb_small_head_cache, head);
- else
- kfree(head);
+ kfree(head);
}
static void skb_free_head(struct sk_buff *skb)
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index 2e89087b95c2..e1e0283e53c1 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -1204,8 +1204,8 @@ void sk_psock_start_strp(struct sock *sk, struct sk_psock *psock)
return;
psock->saved_data_ready = sk->sk_data_ready;
- sk->sk_data_ready = sk_psock_strp_data_ready;
- sk->sk_write_space = sk_psock_write_space;
+ WRITE_ONCE(sk->sk_data_ready, sk_psock_strp_data_ready);
+ WRITE_ONCE(sk->sk_write_space, sk_psock_write_space);
}
void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock)
@@ -1215,8 +1215,8 @@ void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock)
if (!psock->saved_data_ready)
return;
- sk->sk_data_ready = psock->saved_data_ready;
- psock->saved_data_ready = NULL;
+ WRITE_ONCE(sk->sk_data_ready, psock->saved_data_ready);
+ WRITE_ONCE(psock->saved_data_ready, NULL);
strp_stop(&psock->strp);
}
@@ -1298,8 +1298,8 @@ void sk_psock_start_verdict(struct sock *sk, struct sk_psock *psock)
return;
psock->saved_data_ready = sk->sk_data_ready;
- sk->sk_data_ready = sk_psock_verdict_data_ready;
- sk->sk_write_space = sk_psock_write_space;
+ WRITE_ONCE(sk->sk_data_ready, sk_psock_verdict_data_ready);
+ WRITE_ONCE(sk->sk_write_space, sk_psock_write_space);
}
void sk_psock_stop_verdict(struct sock *sk, struct sk_psock *psock)
@@ -1310,6 +1310,6 @@ void sk_psock_stop_verdict(struct sock *sk, struct sk_psock *psock)
if (!psock->saved_data_ready)
return;
- sk->sk_data_ready = psock->saved_data_ready;
+ WRITE_ONCE(sk->sk_data_ready, psock->saved_data_ready);
psock->saved_data_ready = NULL;
}
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index c532803b9957..9c5fc4464783 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1346,7 +1346,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size)
err = sk_stream_error(sk, flags, err);
/* make sure we wake any epoll edge trigger waiter */
if (unlikely(tcp_rtx_and_write_queues_empty(sk) && err == -EAGAIN)) {
- sk->sk_write_space(sk);
+ READ_ONCE(sk->sk_write_space)(sk);
tcp_chrono_stop(sk, TCP_CHRONO_SNDBUF_LIMITED);
}
return err;
@@ -4023,7 +4023,7 @@ int do_tcp_setsockopt(struct sock *sk, int level, int optname,
break;
case TCP_NOTSENT_LOWAT:
WRITE_ONCE(tp->notsent_lowat, val);
- sk->sk_write_space(sk);
+ READ_ONCE(sk->sk_write_space)(sk);
break;
case TCP_INQ:
if (val > 1 || val < 0)
diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c
index f5817438f173..b9a58fde9c31 100644
--- a/net/ipv4/tcp_bpf.c
+++ b/net/ipv4/tcp_bpf.c
@@ -725,7 +725,7 @@ int tcp_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore)
WRITE_ONCE(sk->sk_prot->unhash, psock->saved_unhash);
tcp_update_ulp(sk, psock->sk_proto, psock->saved_write_space);
} else {
- sk->sk_write_space = psock->saved_write_space;
+ WRITE_ONCE(sk->sk_write_space, psock->saved_write_space);
/* Pairs with lockless read in sk_clone_lock() */
sock_replace_proto(sk, psock->sk_proto);
}
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 1d9e93a04930..c498588c021d 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5034,7 +5034,7 @@ static void tcp_data_queue_ofo(struct sock *sk, struct sk_buff *skb)
if (unlikely(tcp_try_rmem_schedule(sk, skb, skb->truesize))) {
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPOFODROP);
- sk->sk_data_ready(sk);
+ READ_ONCE(sk->sk_data_ready)(sk);
tcp_drop_reason(sk, skb, SKB_DROP_REASON_PROTO_MEM);
return;
}
@@ -5241,7 +5241,7 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size)
void tcp_data_ready(struct sock *sk)
{
if (tcp_epollin_ready(sk, sk->sk_rcvlowat) || sock_flag(sk, SOCK_DONE))
- sk->sk_data_ready(sk);
+ READ_ONCE(sk->sk_data_ready)(sk);
}
static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
@@ -5297,7 +5297,7 @@ static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
inet_csk(sk)->icsk_ack.pending |=
(ICSK_ACK_NOMEM | ICSK_ACK_NOW);
inet_csk_schedule_ack(sk);
- sk->sk_data_ready(sk);
+ READ_ONCE(sk->sk_data_ready)(sk);
if (skb_queue_len(&sk->sk_receive_queue) && skb->len) {
reason = SKB_DROP_REASON_PROTO_MEM;
@@ -5735,7 +5735,9 @@ static void tcp_new_space(struct sock *sk)
tp->snd_cwnd_stamp = tcp_jiffies32;
}
- INDIRECT_CALL_1(sk->sk_write_space, sk_stream_write_space, sk);
+ INDIRECT_CALL_1(READ_ONCE(sk->sk_write_space),
+ sk_stream_write_space,
+ sk);
}
/* Caller made space either from:
@@ -5941,7 +5943,7 @@ static void tcp_urg(struct sock *sk, struct sk_buff *skb, const struct tcphdr *t
BUG();
WRITE_ONCE(tp->urg_data, TCP_URG_VALID | tmp);
if (!sock_flag(sk, SOCK_DEAD))
- sk->sk_data_ready(sk);
+ READ_ONCE(sk->sk_data_ready)(sk);
}
}
}
@@ -7341,7 +7343,7 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops,
sock_put(fastopen_sk);
goto drop_and_free;
}
- sk->sk_data_ready(sk);
+ READ_ONCE(sk->sk_data_ready)(sk);
bh_unlock_sock(fastopen_sk);
sock_put(fastopen_sk);
} else {
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index f3e4fc957219..adddfb7d934c 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -928,7 +928,7 @@ enum skb_drop_reason tcp_child_process(struct sock *parent, struct sock *child,
reason = tcp_rcv_state_process(child, skb);
/* Wakeup parent, send SIGIO */
if (state == TCP_SYN_RECV && child->sk_state != state)
- parent->sk_data_ready(parent);
+ READ_ONCE(parent->sk_data_ready)(parent);
} else {
/* Alas, it is possible again, because we do lookup
* in main socket hash table and lock on listening
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d1090a1f860c..27694334e410 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1622,7 +1622,8 @@ int __udp_enqueue_schedule_skb(struct sock *sk, struct sk_buff *skb)
spin_unlock(&list->lock);
if (!sock_flag(sk, SOCK_DEAD))
- INDIRECT_CALL_1(sk->sk_data_ready, sock_def_readable, sk);
+ INDIRECT_CALL_1(READ_ONCE(sk->sk_data_ready),
+ sock_def_readable, sk);
busylock_release(busy);
return 0;
diff --git a/net/ipv4/udp_bpf.c b/net/ipv4/udp_bpf.c
index 91233e37cd97..779a3a03762f 100644
--- a/net/ipv4/udp_bpf.c
+++ b/net/ipv4/udp_bpf.c
@@ -158,7 +158,7 @@ int udp_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore)
int family = sk->sk_family == AF_INET ? UDP_BPF_IPV4 : UDP_BPF_IPV6;
if (restore) {
- sk->sk_write_space = psock->saved_write_space;
+ WRITE_ONCE(sk->sk_write_space, psock->saved_write_space);
sock_replace_proto(sk, psock->sk_proto);
return 0;
}
diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c
index 27918fc0c972..c292f38549fc 100644
--- a/net/ipv6/seg6_iptunnel.c
+++ b/net/ipv6/seg6_iptunnel.c
@@ -48,7 +48,8 @@ static size_t seg6_lwt_headroom(struct seg6_iptunnel_encap *tuninfo)
}
struct seg6_lwt {
- struct dst_cache cache;
+ struct dst_cache cache_input;
+ struct dst_cache cache_output;
struct seg6_iptunnel_encap tuninfo[];
};
@@ -488,7 +489,7 @@ static int seg6_input_core(struct net *net, struct sock *sk,
slwt = seg6_lwt_lwtunnel(lwtst);
local_bh_disable();
- dst = dst_cache_get(&slwt->cache);
+ dst = dst_cache_get(&slwt->cache_input);
local_bh_enable();
err = seg6_do_srh(skb, dst);
@@ -504,7 +505,7 @@ static int seg6_input_core(struct net *net, struct sock *sk,
/* cache only if we don't create a dst reference loop */
if (!dst->error && lwtst != dst->lwtstate) {
local_bh_disable();
- dst_cache_set_ip6(&slwt->cache, dst,
+ dst_cache_set_ip6(&slwt->cache_input, dst,
&ipv6_hdr(skb)->saddr);
local_bh_enable();
}
@@ -564,7 +565,7 @@ static int seg6_output_core(struct net *net, struct sock *sk,
slwt = seg6_lwt_lwtunnel(orig_dst->lwtstate);
local_bh_disable();
- dst = dst_cache_get(&slwt->cache);
+ dst = dst_cache_get(&slwt->cache_output);
local_bh_enable();
err = seg6_do_srh(skb, dst);
@@ -591,7 +592,7 @@ static int seg6_output_core(struct net *net, struct sock *sk,
/* cache only if we don't create a dst reference loop */
if (orig_dst->lwtstate != dst->lwtstate) {
local_bh_disable();
- dst_cache_set_ip6(&slwt->cache, dst, &fl6.saddr);
+ dst_cache_set_ip6(&slwt->cache_output, dst, &fl6.saddr);
local_bh_enable();
}
@@ -701,11 +702,13 @@ static int seg6_build_state(struct net *net, struct nlattr *nla,
slwt = seg6_lwt_lwtunnel(newts);
- err = dst_cache_init(&slwt->cache, GFP_ATOMIC);
- if (err) {
- kfree(newts);
- return err;
- }
+ err = dst_cache_init(&slwt->cache_input, GFP_ATOMIC);
+ if (err)
+ goto err_free_newts;
+
+ err = dst_cache_init(&slwt->cache_output, GFP_ATOMIC);
+ if (err)
+ goto err_destroy_input;
memcpy(&slwt->tuninfo, tuninfo, tuninfo_len);
@@ -720,11 +723,20 @@ static int seg6_build_state(struct net *net, struct nlattr *nla,
*ts = newts;
return 0;
+
+err_destroy_input:
+ dst_cache_destroy(&slwt->cache_input);
+err_free_newts:
+ kfree(newts);
+ return err;
}
static void seg6_destroy_state(struct lwtunnel_state *lwt)
{
- dst_cache_destroy(&seg6_lwt_lwtunnel(lwt)->cache);
+ struct seg6_lwt *slwt = seg6_lwt_lwtunnel(lwt);
+
+ dst_cache_destroy(&slwt->cache_input);
+ dst_cache_destroy(&slwt->cache_output);
}
static int seg6_fill_encap_info(struct sk_buff *skb,
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 38e17f2f15d0..3ac09bfe6e4b 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1076,7 +1076,7 @@ static void __mptcp_pm_release_addr_entry(struct mptcp_pm_addr_entry *entry)
static int mptcp_pm_nl_append_new_local_addr(struct pm_nl_pernet *pernet,
struct mptcp_pm_addr_entry *entry,
- bool needs_id, bool replace)
+ bool replace)
{
struct mptcp_pm_addr_entry *cur, *del_entry = NULL;
unsigned int addr_max;
@@ -1135,7 +1135,7 @@ static int mptcp_pm_nl_append_new_local_addr(struct pm_nl_pernet *pernet,
}
}
- if (!entry->addr.id && needs_id) {
+ if (!entry->addr.id) {
find_next:
entry->addr.id = find_next_zero_bit(pernet->id_bitmap,
MPTCP_PM_MAX_ADDR_ID + 1,
@@ -1146,7 +1146,7 @@ static int mptcp_pm_nl_append_new_local_addr(struct pm_nl_pernet *pernet,
}
}
- if (!entry->addr.id && needs_id)
+ if (!entry->addr.id)
goto out;
__set_bit(entry->addr.id, pernet->id_bitmap);
@@ -1279,7 +1279,7 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct mptcp_addr_info *skc
entry->ifindex = 0;
entry->flags = MPTCP_PM_ADDR_FLAG_IMPLICIT;
entry->lsk = NULL;
- ret = mptcp_pm_nl_append_new_local_addr(pernet, entry, true, false);
+ ret = mptcp_pm_nl_append_new_local_addr(pernet, entry, false);
if (ret < 0)
kfree(entry);
@@ -1498,18 +1498,6 @@ static int mptcp_nl_add_subflow_or_signal_addr(struct net *net,
return 0;
}
-static bool mptcp_pm_has_addr_attr_id(const struct nlattr *attr,
- struct genl_info *info)
-{
- struct nlattr *tb[MPTCP_PM_ADDR_ATTR_MAX + 1];
-
- if (!nla_parse_nested_deprecated(tb, MPTCP_PM_ADDR_ATTR_MAX, attr,
- mptcp_pm_address_nl_policy, info->extack) &&
- tb[MPTCP_PM_ADDR_ATTR_ID])
- return true;
- return false;
-}
-
int mptcp_pm_nl_add_addr_doit(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *attr = info->attrs[MPTCP_PM_ENDPOINT_ADDR];
@@ -1551,9 +1539,7 @@ int mptcp_pm_nl_add_addr_doit(struct sk_buff *skb, struct genl_info *info)
goto out_free;
}
}
- ret = mptcp_pm_nl_append_new_local_addr(pernet, entry,
- !mptcp_pm_has_addr_attr_id(attr, info),
- true);
+ ret = mptcp_pm_nl_append_new_local_addr(pernet, entry, true);
if (ret < 0) {
GENL_SET_ERR_MSG_FMT(info, "too many addresses or duplicate one: %d", ret);
goto out_free;
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index e682d52a06b7..1a223af18907 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -4338,6 +4338,8 @@ int __init mptcp_proto_v6_init(void)
{
int err;
+ mptcp_subflow_v6_init();
+
mptcp_v6_prot = mptcp_prot;
strscpy(mptcp_v6_prot.name, "MPTCPv6", sizeof(mptcp_v6_prot.name));
mptcp_v6_prot.slab = NULL;
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 669991bbae75..391a8026cb48 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -821,6 +821,7 @@ static inline void mptcp_subflow_tcp_fallback(struct sock *sk,
void __init mptcp_proto_init(void);
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
int __init mptcp_proto_v6_init(void);
+void __init mptcp_subflow_v6_init(void);
#endif
struct sock *mptcp_sk_clone_init(const struct sock *sk,
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 1618483b05e8..0f70f5360c6b 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -2147,7 +2147,15 @@ void __init mptcp_subflow_init(void)
tcp_prot_override.psock_update_sk_prot = NULL;
#endif
+ mptcp_diag_subflow_init(&subflow_ulp_ops);
+
+ if (tcp_register_ulp(&subflow_ulp_ops) != 0)
+ panic("MPTCP: failed to register subflows to ULP\n");
+}
+
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
+void __init mptcp_subflow_v6_init(void)
+{
/* In struct mptcp_subflow_request_sock, we assume the TCP request sock
* structures for v4 and v6 have the same size. It should not changed in
* the future but better to make sure to be warned if it is no longer
@@ -2186,10 +2194,5 @@ void __init mptcp_subflow_init(void)
/* Disable sockmap processing for subflows */
tcpv6_prot_override.psock_update_sk_prot = NULL;
#endif
-#endif
-
- mptcp_diag_subflow_init(&subflow_ulp_ops);
-
- if (tcp_register_ulp(&subflow_ulp_ops) != 0)
- panic("MPTCP: failed to register subflows to ULP\n");
}
+#endif
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index e361de439b77..134f4d3d5b22 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -1002,7 +1002,7 @@ static void nft_ct_timeout_obj_destroy(const struct nft_ctx *ctx,
nf_queue_nf_hook_drop(ctx->net);
nf_ct_untimeout(ctx->net, timeout);
nf_ct_netns_put(ctx->net, ctx->family);
- kfree(priv->timeout);
+ kfree_rcu(priv->timeout, rcu);
}
static int nft_ct_timeout_obj_dump(struct sk_buff *skb,
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index d10e2c81131a..058d4eb530fb 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -567,6 +567,10 @@ static int nci_close_device(struct nci_dev *ndev)
flush_workqueue(ndev->cmd_wq);
del_timer_sync(&ndev->cmd_timer);
del_timer_sync(&ndev->data_timer);
+ if (test_bit(NCI_DATA_EXCHANGE, &ndev->flags))
+ nci_data_exchange_complete(ndev, NULL,
+ ndev->cur_conn_id,
+ -ENODEV);
mutex_unlock(&ndev->req_lock);
return 0;
}
@@ -597,6 +601,11 @@ static int nci_close_device(struct nci_dev *ndev)
flush_workqueue(ndev->cmd_wq);
del_timer_sync(&ndev->cmd_timer);
+ del_timer_sync(&ndev->data_timer);
+
+ if (test_bit(NCI_DATA_EXCHANGE, &ndev->flags))
+ nci_data_exchange_complete(ndev, NULL, ndev->cur_conn_id,
+ -ENODEV);
/* Clear flags except NCI_UNREG */
ndev->flags &= BIT(NCI_UNREG);
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 7d3e82e4c2fc..868a8586dc17 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -73,11 +73,14 @@ struct rfkill_int_event {
struct rfkill_event_ext ev;
};
+/* Max rfkill events that can be "in-flight" for one data source */
+#define MAX_RFKILL_EVENT 1000
struct rfkill_data {
struct list_head list;
struct list_head events;
struct mutex mtx;
wait_queue_head_t read_wait;
+ u32 event_count;
bool input_handler;
u8 max_size;
};
@@ -255,10 +258,12 @@ static void rfkill_global_led_trigger_unregister(void)
}
#endif /* CONFIG_RFKILL_LEDS */
-static void rfkill_fill_event(struct rfkill_event_ext *ev,
- struct rfkill *rfkill,
- enum rfkill_operation op)
+static int rfkill_fill_event(struct rfkill_int_event *int_ev,
+ struct rfkill *rfkill,
+ struct rfkill_data *data,
+ enum rfkill_operation op)
{
+ struct rfkill_event_ext *ev = &int_ev->ev;
unsigned long flags;
ev->idx = rfkill->idx;
@@ -271,6 +276,15 @@ static void rfkill_fill_event(struct rfkill_event_ext *ev,
RFKILL_BLOCK_SW_PREV));
ev->hard_block_reasons = rfkill->hard_block_reasons;
spin_unlock_irqrestore(&rfkill->lock, flags);
+
+ scoped_guard(mutex, &data->mtx) {
+ if (data->event_count++ > MAX_RFKILL_EVENT) {
+ data->event_count--;
+ return -ENOSPC;
+ }
+ list_add_tail(&int_ev->list, &data->events);
+ }
+ return 0;
}
static void rfkill_send_events(struct rfkill *rfkill, enum rfkill_operation op)
@@ -282,10 +296,10 @@ static void rfkill_send_events(struct rfkill *rfkill, enum rfkill_operation op)
ev = kzalloc(sizeof(*ev), GFP_KERNEL);
if (!ev)
continue;
- rfkill_fill_event(&ev->ev, rfkill, op);
- mutex_lock(&data->mtx);
- list_add_tail(&ev->list, &data->events);
- mutex_unlock(&data->mtx);
+ if (rfkill_fill_event(ev, rfkill, data, op)) {
+ kfree(ev);
+ continue;
+ }
wake_up_interruptible(&data->read_wait);
}
}
@@ -1186,10 +1200,8 @@ static int rfkill_fop_open(struct inode *inode, struct file *file)
if (!ev)
goto free;
rfkill_sync(rfkill);
- rfkill_fill_event(&ev->ev, rfkill, RFKILL_OP_ADD);
- mutex_lock(&data->mtx);
- list_add_tail(&ev->list, &data->events);
- mutex_unlock(&data->mtx);
+ if (rfkill_fill_event(ev, rfkill, data, RFKILL_OP_ADD))
+ kfree(ev);
}
list_add(&data->list, &rfkill_fds);
mutex_unlock(&rfkill_global_mutex);
@@ -1259,6 +1271,7 @@ static ssize_t rfkill_fop_read(struct file *file, char __user *buf,
ret = -EFAULT;
list_del(&ev->list);
+ data->event_count--;
kfree(ev);
out:
mutex_unlock(&data->mtx);
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 9d8bd0b37e41..fbe9912fbe3f 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -681,9 +681,6 @@ static int rxrpc_setsockopt(struct socket *sock, int level, int optname,
goto success;
case RXRPC_SECURITY_KEY:
- ret = -EINVAL;
- if (rx->key)
- goto error;
ret = -EISCONN;
if (rx->sk.sk_state != RXRPC_UNBOUND)
goto error;
@@ -691,9 +688,6 @@ static int rxrpc_setsockopt(struct socket *sock, int level, int optname,
goto error;
case RXRPC_SECURITY_KEYRING:
- ret = -EINVAL;
- if (rx->key)
- goto error;
ret = -EISCONN;
if (rx->sk.sk_state != RXRPC_UNBOUND)
goto error;
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index e379a2a9375a..09c54b2e825c 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -640,11 +640,9 @@ void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace why)
if (dead) {
ASSERTCMP(__rxrpc_call_state(call), ==, RXRPC_CALL_COMPLETE);
- if (!list_empty(&call->link)) {
- spin_lock(&rxnet->call_lock);
- list_del_init(&call->link);
- spin_unlock(&rxnet->call_lock);
- }
+ spin_lock(&rxnet->call_lock);
+ list_del_rcu(&call->link);
+ spin_unlock(&rxnet->call_lock);
rxrpc_cleanup_call(call);
}
@@ -692,6 +690,7 @@ static void rxrpc_destroy_call(struct work_struct *work)
rxrpc_put_bundle(call->bundle, rxrpc_bundle_put_call);
rxrpc_put_peer(call->peer, rxrpc_peer_put_call);
rxrpc_put_local(call->local, rxrpc_local_put_call);
+ key_put(call->key);
call_rcu(&call->rcu, rxrpc_rcu_free_call);
}
@@ -728,24 +727,20 @@ void rxrpc_destroy_all_calls(struct rxrpc_net *rxnet)
_enter("");
if (!list_empty(&rxnet->calls)) {
- spin_lock(&rxnet->call_lock);
+ int shown = 0;
- while (!list_empty(&rxnet->calls)) {
- call = list_entry(rxnet->calls.next,
- struct rxrpc_call, link);
- _debug("Zapping call %p", call);
+ spin_lock(&rxnet->call_lock);
- rxrpc_see_call(call, rxrpc_call_see_zap);
- list_del_init(&call->link);
+ list_for_each_entry(call, &rxnet->calls, link) {
+ rxrpc_see_call(call, rxrpc_call_see_still_live);
pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n",
call, refcount_read(&call->ref),
rxrpc_call_states[__rxrpc_call_state(call)],
call->flags, call->events);
- spin_unlock(&rxnet->call_lock);
- cond_resched();
- spin_lock(&rxnet->call_lock);
+ if (++shown >= 10)
+ break;
}
spin_unlock(&rxnet->call_lock);
diff --git a/net/rxrpc/io_thread.c b/net/rxrpc/io_thread.c
index 07c74c77d802..83c5f715c6b7 100644
--- a/net/rxrpc/io_thread.c
+++ b/net/rxrpc/io_thread.c
@@ -400,7 +400,8 @@ static int rxrpc_input_packet_on_conn(struct rxrpc_connection *conn,
if (sp->hdr.callNumber > chan->call_id) {
if (rxrpc_to_client(sp)) {
- rxrpc_put_call(call, rxrpc_call_put_input);
+ if (call)
+ rxrpc_put_call(call, rxrpc_call_put_input);
return rxrpc_protocol_error(skb,
rxrpc_eproto_unexpected_implicit_end);
}
diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c
index 33e8302a79e3..2396eecf1311 100644
--- a/net/rxrpc/key.c
+++ b/net/rxrpc/key.c
@@ -452,7 +452,7 @@ int rxrpc_request_key(struct rxrpc_sock *rx, sockptr_t optval, int optlen)
_enter("");
- if (optlen <= 0 || optlen > PAGE_SIZE - 1 || rx->securities)
+ if (optlen <= 0 || optlen > PAGE_SIZE - 1 || rx->key)
return -EINVAL;
description = memdup_sockptr_nul(optval, optlen);
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index a8426335e401..ef2bf442f323 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -189,6 +189,7 @@ static int rxkad_prime_packet_security(struct rxrpc_connection *conn,
struct rxrpc_crypt iv;
__be32 *tmpbuf;
size_t tmpsize = 4 * sizeof(__be32);
+ int ret;
_enter("");
@@ -217,13 +218,13 @@ static int rxkad_prime_packet_security(struct rxrpc_connection *conn,
skcipher_request_set_sync_tfm(req, ci);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, &sg, &sg, tmpsize, iv.x);
- crypto_skcipher_encrypt(req);
+ ret = crypto_skcipher_encrypt(req);
skcipher_request_free(req);
memcpy(&conn->rxkad.csum_iv, tmpbuf + 2, sizeof(conn->rxkad.csum_iv));
kfree(tmpbuf);
- _leave(" = 0");
- return 0;
+ _leave(" = %d", ret);
+ return ret;
}
/*
@@ -257,6 +258,7 @@ static int rxkad_secure_packet_auth(const struct rxrpc_call *call,
struct scatterlist sg;
size_t pad;
u16 check;
+ int ret;
_enter("");
@@ -279,11 +281,11 @@ static int rxkad_secure_packet_auth(const struct rxrpc_call *call,
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, &sg, &sg, 8, iv.x);
- crypto_skcipher_encrypt(req);
+ ret = crypto_skcipher_encrypt(req);
skcipher_request_zero(req);
- _leave(" = 0");
- return 0;
+ _leave(" = %d", ret);
+ return ret;
}
/*
@@ -342,7 +344,7 @@ static int rxkad_secure_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)
union {
__be32 buf[2];
} crypto __aligned(8);
- u32 x, y;
+ u32 x, y = 0;
int ret;
_enter("{%d{%x}},{#%u},%u,",
@@ -373,8 +375,10 @@ static int rxkad_secure_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, &sg, &sg, 8, iv.x);
- crypto_skcipher_encrypt(req);
+ ret = crypto_skcipher_encrypt(req);
skcipher_request_zero(req);
+ if (ret < 0)
+ goto out;
y = ntohl(crypto.buf[1]);
y = (y >> 16) & 0xffff;
@@ -397,6 +401,7 @@ static int rxkad_secure_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)
break;
}
+out:
skcipher_request_free(req);
_leave(" = %d [set %x]", ret, y);
return ret;
@@ -437,8 +442,10 @@ static int rxkad_verify_packet_1(struct rxrpc_call *call, struct sk_buff *skb,
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sg, sg, 8, iv.x);
- crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_zero(req);
+ if (ret < 0)
+ return ret;
/* Extract the decrypted packet length */
if (skb_copy_bits(skb, sp->offset, &sechdr, sizeof(sechdr)) < 0)
@@ -515,10 +522,14 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sg, sg, sp->len, iv.x);
- crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_zero(req);
if (sg != _sg)
kfree(sg);
+ if (ret < 0) {
+ WARN_ON_ONCE(ret != -ENOMEM);
+ return ret;
+ }
/* Extract the decrypted packet length */
if (skb_copy_bits(skb, sp->offset, &sechdr, sizeof(sechdr)) < 0)
@@ -586,8 +597,10 @@ static int rxkad_verify_packet(struct rxrpc_call *call, struct sk_buff *skb)
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, &sg, &sg, 8, iv.x);
- crypto_skcipher_encrypt(req);
+ ret = crypto_skcipher_encrypt(req);
skcipher_request_zero(req);
+ if (ret < 0)
+ goto out;
y = ntohl(crypto.buf[1]);
cksum = (y >> 16) & 0xffff;
@@ -870,6 +883,7 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
struct in_addr addr;
unsigned int life;
time64_t issue, now;
+ int ret;
bool little_endian;
u8 *p, *q, *name, *end;
@@ -889,8 +903,11 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
sg_init_one(&sg[0], ticket, ticket_len);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sg, sg, ticket_len, iv.x);
- crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_free(req);
+ if (ret < 0)
+ return rxrpc_abort_conn(conn, skb, RXKADBADTICKET, -EPROTO,
+ rxkad_abort_resp_tkt_short);
p = ticket;
end = p + ticket_len;
@@ -985,21 +1002,23 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
/*
* decrypt the response packet
*/
-static void rxkad_decrypt_response(struct rxrpc_connection *conn,
- struct rxkad_response *resp,
- const struct rxrpc_crypt *session_key)
+static int rxkad_decrypt_response(struct rxrpc_connection *conn,
+ struct rxkad_response *resp,
+ const struct rxrpc_crypt *session_key)
{
struct skcipher_request *req = rxkad_ci_req;
struct scatterlist sg[1];
struct rxrpc_crypt iv;
+ int ret;
_enter(",,%08x%08x",
ntohl(session_key->n[0]), ntohl(session_key->n[1]));
mutex_lock(&rxkad_ci_mutex);
- if (crypto_sync_skcipher_setkey(rxkad_ci, session_key->x,
- sizeof(*session_key)) < 0)
- BUG();
+ ret = crypto_sync_skcipher_setkey(rxkad_ci, session_key->x,
+ sizeof(*session_key));
+ if (ret < 0)
+ goto unlock;
memcpy(&iv, session_key, sizeof(iv));
@@ -1008,12 +1027,14 @@ static void rxkad_decrypt_response(struct rxrpc_connection *conn,
skcipher_request_set_sync_tfm(req, rxkad_ci);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sg, sg, sizeof(resp->encrypted), iv.x);
- crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_zero(req);
+unlock:
mutex_unlock(&rxkad_ci_mutex);
_leave("");
+ return ret;
}
/*
@@ -1106,7 +1127,9 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
/* use the session key from inside the ticket to decrypt the
* response */
- rxkad_decrypt_response(conn, response, &session_key);
+ ret = rxkad_decrypt_response(conn, response, &session_key);
+ if (ret < 0)
+ goto temporary_error_free_ticket;
if (ntohl(response->encrypted.epoch) != conn->proto.epoch ||
ntohl(response->encrypted.cid) != conn->proto.cid ||
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 154f650efb0a..bb2e53d2a7c7 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -586,7 +586,7 @@ rxrpc_new_client_call_for_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg,
memset(&cp, 0, sizeof(cp));
cp.local = rx->local;
cp.peer = peer;
- cp.key = rx->key;
+ cp.key = key;
cp.security_level = rx->min_sec_level;
cp.exclusive = rx->exclusive | p->exclusive;
cp.upgrade = p->upgrade;
diff --git a/net/rxrpc/server_key.c b/net/rxrpc/server_key.c
index e51940589ee5..9d95a6055b70 100644
--- a/net/rxrpc/server_key.c
+++ b/net/rxrpc/server_key.c
@@ -125,6 +125,9 @@ int rxrpc_server_keyring(struct rxrpc_sock *rx, sockptr_t optval, int optlen)
_enter("");
+ if (rx->securities)
+ return -EINVAL;
+
if (optlen <= 0 || optlen > PAGE_SIZE - 1)
return -EINVAL;
diff --git a/net/tipc/group.c b/net/tipc/group.c
index 3e137d8c9d2f..215f2a7d8458 100644
--- a/net/tipc/group.c
+++ b/net/tipc/group.c
@@ -746,6 +746,7 @@ void tipc_group_proto_rcv(struct tipc_group *grp, bool *usr_wakeup,
u32 port = msg_origport(hdr);
struct tipc_member *m, *pm;
u16 remitted, in_flight;
+ u16 acked;
if (!grp)
return;
@@ -798,7 +799,10 @@ void tipc_group_proto_rcv(struct tipc_group *grp, bool *usr_wakeup,
case GRP_ACK_MSG:
if (!m)
return;
- m->bc_acked = msg_grp_bc_acked(hdr);
+ acked = msg_grp_bc_acked(hdr);
+ if (less_eq(acked, m->bc_acked))
+ return;
+ m->bc_acked = acked;
if (--grp->bc_ackers)
return;
list_del_init(&m->small_win);
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index e12aa76d1aa7..36351942903b 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -584,6 +584,16 @@ static int tls_do_encryption(struct sock *sk,
if (rc == -EBUSY) {
rc = tls_encrypt_async_wait(ctx);
rc = rc ?: -EINPROGRESS;
+ /*
+ * The async callback tls_encrypt_done() has already
+ * decremented encrypt_pending and restored the sge on
+ * both success and error. Skip the synchronous cleanup
+ * below on error, just remove the record and return.
+ */
+ if (rc != -EINPROGRESS) {
+ list_del(&rec->list);
+ return rc;
+ }
}
if (!rc || rc != -EINPROGRESS) {
atomic_dec(&ctx->encrypt_pending);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 59911ac719b1..aa6395fd58bb 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1707,7 +1707,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
__skb_queue_tail(&other->sk_receive_queue, skb);
spin_unlock(&other->sk_receive_queue.lock);
unix_state_unlock(other);
- other->sk_data_ready(other);
+ READ_ONCE(other->sk_data_ready)(other);
sock_put(other);
return 0;
@@ -2175,7 +2175,7 @@ static int unix_dgram_sendmsg(struct socket *sock, struct msghdr *msg,
scm_stat_add(other, skb);
skb_queue_tail(&other->sk_receive_queue, skb);
unix_state_unlock(other);
- other->sk_data_ready(other);
+ READ_ONCE(other->sk_data_ready)(other);
sock_put(other);
scm_destroy(&scm);
return len;
@@ -2243,7 +2243,7 @@ static int queue_oob(struct socket *sock, struct msghdr *msg, struct sock *other
sk_send_sigurg(other);
unix_state_unlock(other);
- other->sk_data_ready(other);
+ READ_ONCE(other->sk_data_ready)(other);
return err;
}
@@ -2354,7 +2354,7 @@ static int unix_stream_sendmsg(struct socket *sock, struct msghdr *msg,
scm_stat_add(other, skb);
skb_queue_tail(&other->sk_receive_queue, skb);
unix_state_unlock(other);
- other->sk_data_ready(other);
+ READ_ONCE(other->sk_data_ready)(other);
sent += size;
}
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 419def2cd128..6aed7ae90013 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -3849,6 +3849,8 @@ static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp,
return err;
}
upe->hard = !!hard;
+ /* clear the padding bytes */
+ memset_after(upe, 0, hard);
nlmsg_end(skb, nlh);
return 0;
@@ -4006,6 +4008,7 @@ static int build_report(struct sk_buff *skb, u8 proto,
return -EMSGSIZE;
ur = nlmsg_data(nlh);
+ memset(ur, 0, sizeof(*ur));
ur->proto = proto;
memcpy(&ur->sel, sel, sizeof(ur->sel));
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 70a90117361c..a5ebd2a9a111 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1999,6 +1999,7 @@ static const struct snd_pci_quirk force_connect_list[] = {
SND_PCI_QUIRK(0x1043, 0x86ae, "ASUS", 1), /* Z170 PRO */
SND_PCI_QUIRK(0x1043, 0x86c7, "ASUS", 1), /* Z170M PLUS */
SND_PCI_QUIRK(0x1462, 0xec94, "MS-7C94", 1),
+ SND_PCI_QUIRK(0x1558, 0x14a1, "TUXEDO InfinityBook S 14 Gen6", 1),
SND_PCI_QUIRK(0x8086, 0x2060, "Intel NUC5CPYB", 1),
SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", 1),
{}
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index c9f92d445f4c..0e3ae89d880e 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -1072,6 +1072,7 @@ static int graph_get_dai_id(struct device_node *ep)
int graph_util_parse_dai(struct device *dev, struct device_node *ep,
struct snd_soc_dai_link_component *dlc, int *is_single_link)
{
+ struct device_node *node;
struct of_phandle_args args = {};
struct snd_soc_dai *dai;
int ret;
@@ -1079,7 +1080,7 @@ int graph_util_parse_dai(struct device *dev, struct device_node *ep,
if (!ep)
return 0;
- struct device_node *node __free(device_node) = of_graph_get_port_parent(ep);
+ node = of_graph_get_port_parent(ep);
/*
* Try to find from DAI node
@@ -1121,8 +1122,10 @@ int graph_util_parse_dai(struct device *dev, struct device_node *ep,
* if he unbinded CPU or Codec.
*/
ret = snd_soc_get_dlc(&args, dlc);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(node);
return ret;
+ }
parse_dai_end:
if (is_single_link)
prev parent reply other threads:[~2026-04-18 8:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-18 8:51 Linux 6.12.82 Greg Kroah-Hartman
2026-04-18 8:51 ` Greg Kroah-Hartman [this message]
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