From: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
torvalds@linux-foundation.org, akpm@linux-foundation.org,
alan@lxorguk.ukuu.org.uk, Wang YanQing <udknight@gmail.com>
Subject: Re: [ 062/108] video:uvesafb: Fix oops that uvesafb try to execute NX-protected page
Date: Fri, 30 Mar 2012 21:32:56 +0000 [thread overview]
Message-ID: <4F762688.7060706@gmx.de> (raw)
In-Reply-To: <20120330195731.038243184@linuxfoundation.org>
Hi Greg,
On 03/30/2012 07:58 PM, Greg KH wrote:
> 3.0-stable review patch. If anyone has any objections, please let me know.
the same as for 3.3: This patch would require exporting
'pcibios_enabled' to not break building uvesafb as a module. As Alan did
not agree with this approach it is not suitable for stable as is.
Best regards,
Florian Tobias Schandinat
>
> ------------------
>
> From: Wang YanQing <udknight@gmail.com>
>
> commit ec0d22e4d563e7cce9f6678e2000900755c2989d upstream.
>
> This patch fixes the oops below
>
> [ 81.560602] uvesafb: NVIDIA Corporation, GT216 Board - 0696a290, Chip Rev , OEM: NVIDIA, VBE v3.0
> [ 81.609384] uvesafb: protected mode interface info at c000:d350
> [ 81.609388] uvesafb: pmi: set display start = c00cd3b3, set palette = c00cd40e
> [ 81.609390] uvesafb: pmi: ports = 3b4 3b5 3ba 3c0 3c1 3c4 3c5 3c6 3c7 3c8 3c9 3cc 3ce 3cf 3d0 3d1 3d2 3d3 3d4 3d5 3da
> [ 81.614558] uvesafb: VBIOS/hardware doesn't support DDC transfers
> [ 81.614562] uvesafb: no monitor limits have been set, default refresh rate will be used
> [ 81.614994] uvesafb: scrolling: ypan using protected mode interface, yres_virtual=4915
> [ 81.744147] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
> [ 81.744153] BUG: unable to handle kernel paging request at c00cd3b3
> [ 81.744159] IP: [<c00cd3b3>] 0xc00cd3b2
> [ 81.744167] *pdpt = 00000000016d6001 *pde = 0000000001c7b067 *pte = 80000000000cd163
> [ 81.744171] Oops: 0011 [#1] SMP
> [ 81.744174] Modules linked in: uvesafb(+) cfbcopyarea cfbimgblt cfbfillrect
> [ 81.744178]
> [ 81.744181] Pid: 3497, comm: modprobe Not tainted 3.3.0-rc4NX+ #71 Acer Aspire 4741 /Aspire 4741
> [ 81.744185] EIP: 0060:[<c00cd3b3>] EFLAGS: 00010246 CPU: 0
> [ 81.744187] EIP is at 0xc00cd3b3
> [ 81.744189] EAX: 00004f07 EBX: 00000000 ECX: 00000000 EDX: 00000000
> [ 81.744191] ESI: f763f000 EDI: f763f6e8 EBP: f57f3a0c ESP: f57f3a00
> [ 81.744192] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
> [ 81.744195] Process modprobe (pid: 3497, ti=f57f2000 task=f748c600 task.ti=f57f2000)
> [ 81.744196] Stack:
> [ 81.744197] f82512c5 f759341c 00000000 f57f3a30 c124a9bc 00000001 00000001 000001e0
> [ 81.744202] f8251280 f763f000 f7593400 00000000 f57f3a40 c12598dd f5c0c000 00000000
> [ 81.744206] f57f3b10 c1255efe c125a21a 00000006 f763f09c 00000000 c1c6cb60 f7593400
> [ 81.744210] Call Trace:
> [ 81.744215] [<f82512c5>] ? uvesafb_pan_display+0x45/0x60 [uvesafb]
> [ 81.744222] [<c124a9bc>] fb_pan_display+0x10c/0x160
> [ 81.744226] [<f8251280>] ? uvesafb_vbe_find_mode+0x180/0x180 [uvesafb]
> [ 81.744230] [<c12598dd>] bit_update_start+0x1d/0x50
> [ 81.744232] [<c1255efe>] fbcon_switch+0x39e/0x550
> [ 81.744235] [<c125a21a>] ? bit_cursor+0x4ea/0x560
> [ 81.744240] [<c129b6cb>] redraw_screen+0x12b/0x220
> [ 81.744245] [<c128843b>] ? tty_do_resize+0x3b/0xc0
> [ 81.744247] [<c129ef42>] vc_do_resize+0x3d2/0x3e0
> [ 81.744250] [<c129efb4>] vc_resize+0x14/0x20
> [ 81.744253] [<c12586bd>] fbcon_init+0x29d/0x500
> [ 81.744255] [<c12984c4>] ? set_inverse_trans_unicode+0xe4/0x110
> [ 81.744258] [<c129b378>] visual_init+0xb8/0x150
> [ 81.744261] [<c129c16c>] bind_con_driver+0x16c/0x360
> [ 81.744264] [<c129b47e>] ? register_con_driver+0x6e/0x190
> [ 81.744267] [<c129c3a1>] take_over_console+0x41/0x50
> [ 81.744269] [<c1257b7a>] fbcon_takeover+0x6a/0xd0
> [ 81.744272] [<c12594b8>] fbcon_event_notify+0x758/0x790
> [ 81.744277] [<c10929e2>] notifier_call_chain+0x42/0xb0
> [ 81.744280] [<c1092d30>] __blocking_notifier_call_chain+0x60/0x90
> [ 81.744283] [<c1092d7a>] blocking_notifier_call_chain+0x1a/0x20
> [ 81.744285] [<c124a5a1>] fb_notifier_call_chain+0x11/0x20
> [ 81.744288] [<c124b759>] register_framebuffer+0x1d9/0x2b0
> [ 81.744293] [<c1061c73>] ? ioremap_wc+0x33/0x40
> [ 81.744298] [<f82537c6>] uvesafb_probe+0xaba/0xc40 [uvesafb]
> [ 81.744302] [<c12bb81f>] platform_drv_probe+0xf/0x20
> [ 81.744306] [<c12ba558>] driver_probe_device+0x68/0x170
> [ 81.744309] [<c12ba731>] __device_attach+0x41/0x50
> [ 81.744313] [<c12b9088>] bus_for_each_drv+0x48/0x70
> [ 81.744316] [<c12ba7f3>] device_attach+0x83/0xa0
> [ 81.744319] [<c12ba6f0>] ? __driver_attach+0x90/0x90
> [ 81.744321] [<c12b991f>] bus_probe_device+0x6f/0x90
> [ 81.744324] [<c12b8a45>] device_add+0x5e5/0x680
> [ 81.744329] [<c122a1a3>] ? kvasprintf+0x43/0x60
> [ 81.744332] [<c121e6e4>] ? kobject_set_name_vargs+0x64/0x70
> [ 81.744335] [<c121e6e4>] ? kobject_set_name_vargs+0x64/0x70
> [ 81.744339] [<c12bbe9f>] platform_device_add+0xff/0x1b0
> [ 81.744343] [<f8252906>] uvesafb_init+0x50/0x9b [uvesafb]
> [ 81.744346] [<c100111f>] do_one_initcall+0x2f/0x170
> [ 81.744350] [<f82528b6>] ? uvesafb_is_valid_mode+0x66/0x66 [uvesafb]
> [ 81.744355] [<c10c6994>] sys_init_module+0xf4/0x1410
> [ 81.744359] [<c1157fc0>] ? vfsmount_lock_local_unlock_cpu+0x30/0x30
> [ 81.744363] [<c144cb10>] sysenter_do_call+0x12/0x36
> [ 81.744365] Code: f5 00 00 00 32 f6 66 8b da 66 d1 e3 66 ba d4 03 8a e3 b0 1c 66 ef b0 1e 66 ef 8a e7 b0 1d 66 ef b0 1f 66 ef e8 fa 00 00 00 61 c3 <60> e8 c8 00 00 00 66 8b f3 66 8b da 66 ba d4 03 b0 0c 8a e5 66
> [ 81.744388] EIP: [<c00cd3b3>] 0xc00cd3b3 SS:ESP 0068:f57f3a00
> [ 81.744391] CR2: 00000000c00cd3b3
> [ 81.744393] ---[ end trace 18b2c87c925b54d6 ]---
>
> Signed-off-by: Wang YanQing <udknight@gmail.com>
> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>
> ---
> drivers/video/uvesafb.c | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> --- a/drivers/video/uvesafb.c
> +++ b/drivers/video/uvesafb.c
> @@ -23,6 +23,7 @@
> #include <video/uvesafb.h>
> #ifdef CONFIG_X86
> #include <video/vga.h>
> +#include <linux/pci.h>
> #endif
> #ifdef CONFIG_MTRR
> #include <asm/mtrr.h>
> @@ -815,8 +816,15 @@ static int __devinit uvesafb_vbe_init(st
> par->pmi_setpal = pmi_setpal;
> par->ypan = ypan;
>
> - if (par->pmi_setpal || par->ypan)
> - uvesafb_vbe_getpmi(task, par);
> + if (par->pmi_setpal || par->ypan) {
> + if (pcibios_enabled) {
> + uvesafb_vbe_getpmi(task, par);
> + } else {
> + par->pmi_setpal = par->ypan = 0;
> + printk(KERN_WARNING "uvesafb: PCI BIOS area is NX."
> + "Can't use protected mode interface\n");
> + }
> + }
> #else
> /* The protected mode interface is not available on non-x86. */
> par->pmi_setpal = par->ypan = 0;
>
>
>
next prev parent reply other threads:[~2012-03-30 21:32 UTC|newest]
Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-30 19:58 [ 000/108] 3.0.27-stable review Greg KH
2012-03-30 19:57 ` [ 001/108] USB: option: Add MediaTek MT6276M modem&app interfaces Greg KH
2012-03-30 19:57 ` [ 002/108] USB: option driver: adding support for Telit CC864-SINGLE, CC864-DUAL and DE910-DUAL modems Greg KH
2012-03-30 19:57 ` [ 003/108] USB: option: make interface blacklist work again Greg KH
2012-03-30 19:57 ` [ 004/108] USB: option: add ZTE MF820D Greg KH
2012-03-30 19:57 ` [ 005/108] USB: ftdi_sio: fix problem when the manufacture is a NULL string Greg KH
2012-03-30 19:57 ` [ 006/108] USB: ftdi_sio: add support for BeagleBone rev A5+ Greg KH
2012-03-30 19:57 ` [ 007/108] USB: Microchip VID mislabeled as Hornby VID in ftdi_sio Greg KH
2012-03-30 19:57 ` [ 008/108] USB: ftdi_sio: new PID: Distortec JTAG-lock-pick Greg KH
2012-03-30 19:57 ` [ 009/108] USB: ftdi_sio: add support for FT-X series devices Greg KH
2012-03-30 19:57 ` [ 010/108] USB: ftdi_sio: new PID: LUMEL PD12 Greg KH
2012-03-30 19:57 ` [ 011/108] powerpc/usb: fix bug of kernel hang when initializing usb Greg KH
2012-04-13 5:21 ` Anthony Foiani
2012-04-13 17:42 ` Greg KH
2012-03-30 19:57 ` [ 012/108] usb: musb: Reselect index reg in interrupt context Greg KH
2012-03-30 19:57 ` [ 013/108] usb: gadgetfs: return number of bytes on ep0 read request Greg KH
2012-03-30 19:57 ` [ 014/108] USB: gadget: Make g_hid device class conform to spec Greg KH
2012-03-30 19:57 ` [ 015/108] futex: Cover all PI opcodes with cmpxchg enabled check Greg KH
2012-03-30 19:57 ` [ 016/108] sysfs: Fix memory leak in sysfs_sd_setsecdata() Greg KH
2012-03-30 19:57 ` [ 017/108] tty: moxa: fix bit test in moxa_start() Greg KH
2012-03-30 19:57 ` [ 018/108] TTY: Wrong unicode value copied in con_set_unimap() Greg KH
2012-03-30 19:57 ` [ 019/108] USB: serial: fix console error reporting Greg KH
2012-03-30 19:57 ` [ 020/108] cdc-wdm: Fix more races on the read path Greg KH
2012-03-30 19:57 ` [ 021/108] cdc-wdm: Dont clear WDM_READ unless entire read buffer is emptied Greg KH
2012-03-30 19:57 ` [ 022/108] usb: fsl_udc_core: Fix scheduling while atomic dump message Greg KH
2012-03-30 19:57 ` [ 023/108] usb: Fix build error due to dma_mask is not at pdev_archdata at ARM Greg KH
2012-03-30 19:57 ` [ 024/108] USB: qcserial: add several new serial devices Greg KH
2012-03-30 19:57 ` [ 025/108] USB: qcserial: dont grab QMI port on Gobi 1000 devices Greg KH
2012-03-30 19:57 ` [ 026/108] usb-serial: Add support for the Sealevel SeaLINK+8 2038-ROHS device Greg KH
2012-03-30 19:57 ` [ 027/108] usb: cp210x: Update to support CP2105 and multiple interface devices Greg KH
2012-03-30 19:57 ` [ 028/108] USB: serial: mos7840: Fixed MCS7820 device attach problem Greg KH
2012-03-30 19:57 ` [ 029/108] rt2x00: Add support for D-Link DWA-127 to rt2800usb Greg KH
2012-03-30 19:57 ` [ 030/108] rtlwifi: Handle previous allocation failures when freeing device memory Greg KH
2012-03-30 19:57 ` [ 031/108] rtlwifi: rtl8192c: Prevent sleeping from invalid context in rtl8192cu Greg KH
2012-03-30 19:57 ` [ 032/108] rtlwifi: rtl8192ce: Fix loss of receive performance Greg KH
2012-03-30 19:57 ` [ 033/108] serial: PL011: clear pending interrupts Greg KH
2012-04-01 11:43 ` Linus Walleij
2012-04-02 16:23 ` Greg KH
2012-04-03 7:46 ` Linus Walleij
2012-03-30 19:57 ` [ 034/108] math: Introduce div64_long Greg KH
2012-03-30 19:57 ` [ 035/108] ntp: Fix integer overflow when setting time Greg KH
2012-03-30 19:57 ` [ 036/108] uevent: send events in correct order according to seqnum (v3) Greg KH
2012-03-30 19:57 ` [ 037/108] genirq: Fix long-term regression in genirq irq_set_irq_type() handling Greg KH
2012-03-30 19:58 ` [ 038/108] genirq: Fix incorrect check for forced IRQ thread handler Greg KH
2012-03-30 19:58 ` [ 039/108] rtc: Disable the alarm in the hardware (v2) Greg KH
2012-03-30 19:58 ` [ 040/108] p54spi: Release GPIO lines and IRQ on error in p54spi_probe Greg KH
2012-03-30 19:58 ` [ 041/108] IB/iser: Post initial receive buffers before sending the final login request Greg KH
2012-03-30 19:58 ` [ 042/108] x86/ioapic: Add register level checks to detect bogus io-apic entries Greg KH
2012-03-30 19:58 ` [ 043/108] mm: thp: fix pmd_bad() triggering in code paths holding mmap_sem read mode Greg KH
2012-03-30 19:58 ` [ 044/108] bootmem/sparsemem: remove limit constraint in alloc_bootmem_section Greg KH
2012-03-30 19:58 ` [ 045/108] hugetlbfs: avoid taking i_mutex from hugetlbfs_read() Greg KH
2012-03-30 19:58 ` [ 046/108] ASoC: pxa-ssp: atomically set stream active masks Greg KH
2012-03-30 19:58 ` [ 047/108] tcm_loop: Set residual field for SCSI commands Greg KH
2012-03-30 19:58 ` [ 048/108] udlfb: remove sysfs framebuffer device with USB .disconnect() Greg KH
2012-03-30 19:58 ` [ 049/108] tcm_fc: Fix fc_exch memory leak in ft_send_resp_status Greg KH
2012-03-30 19:58 ` [ 050/108] md/bitmap: ensure to load bitmap when creating via sysfs Greg KH
2012-03-30 19:58 ` [ 051/108] md/raid1,raid10: avoid deadlock during resync/recovery Greg KH
2012-03-30 19:58 ` [ 052/108] drm/radeon: Restrict offset for legacy hardware cursor Greg KH
2012-03-30 19:58 ` [ 053/108] drm/radeon/kms: fix analog load detection on DVI-I connectors Greg KH
2012-03-30 19:58 ` [ 054/108] drm/radeon/kms: add connector quirk for Fujitsu D3003-S2 board Greg KH
2012-03-30 19:58 ` [ 055/108] target: Dont set WBUS16 or SYNC bits in INQUIRY response Greg KH
2012-03-30 19:58 ` [ 056/108] target: Fix 16-bit target ports for SET TARGET PORT GROUPS emulation Greg KH
2012-03-30 19:58 ` [ 057/108] Bluetooth: Add AR30XX device ID on Asus laptops Greg KH
2012-03-30 19:58 ` [ 058/108] HID: add extra hotkeys in Asus AIO keyboards Greg KH
2012-03-30 19:58 ` [ 059/108] HID: add more " Greg KH
2012-03-30 19:58 ` [ 060/108] pata_legacy: correctly mask recovery field for HT6560B Greg KH
2012-03-30 19:58 ` [ 061/108] firewire: ohci: fix too-early completion of IR multichannel buffers Greg KH
2012-03-30 19:58 ` [ 062/108] video:uvesafb: Fix oops that uvesafb try to execute NX-protected page Greg KH
2012-03-30 21:32 ` Florian Tobias Schandinat [this message]
2012-03-31 18:03 ` Greg KH
2012-03-30 19:58 ` [ 063/108] KVM: x86: extend "struct x86_emulate_ops" with "get_cpuid" Greg KH
2012-03-30 19:58 ` [ 064/108] KVM: x86: fix missing checks in syscall emulation Greg KH
2012-03-30 19:58 ` [ 065/108] NFS: Properly handle the case where the delegation is revoked Greg KH
2012-03-30 19:58 ` [ 066/108] NFSv4: Return the delegation if the server returns NFS4ERR_OPENMODE Greg KH
2012-03-30 19:58 ` [ 067/108] xfs: fix inode lookup race Greg KH
2012-03-30 19:58 ` [ 068/108] cifs: fix issue mounting of DFS ROOT when redirecting from one domain controller to the next Greg KH
2012-03-30 19:58 ` [ 069/108] UBI: fix error handling in ubi_scan() Greg KH
2012-03-30 19:58 ` [ 070/108] UBI: fix eraseblock picking criteria Greg KH
2012-03-30 19:58 ` [ 071/108] SUNRPC: We must not use list_for_each_entry_safe() in rpc_wake_up() Greg KH
2012-03-30 19:58 ` [ 072/108] usbnet: increase URB reference count before usb_unlink_urb Greg KH
2012-03-30 19:58 ` [ 073/108] usbnet: dont clear urb->dev in tx_complete Greg KH
2012-03-30 19:58 ` [ 074/108] x86-32: Fix endless loop when processing signals for kernel tasks Greg KH
2012-03-30 19:58 ` [ 075/108] proc-ns: use d_set_d_op() API to set dentry ops in proc_ns_instantiate() Greg KH
2012-03-30 19:58 ` [ 076/108] hwmon: (fam15h_power) Correct sign extension of running_avg_capture Greg KH
2012-03-30 19:58 ` [ 077/108] [media] lgdt330x: fix signedness error in i2c_read_demod_bytes() Greg KH
2012-03-30 19:58 ` [ 078/108] [media] pvrusb2: fix 7MHz & 8MHz DVB-T tuner support for HVR1900 rev D1F5 Greg KH
2012-03-30 19:58 ` [ 079/108] e1000e: Avoid wrong check on TX hang Greg KH
2012-03-30 19:58 ` [ 080/108] PM / Hibernate: Enable usermodehelpers in hibernate() error path Greg KH
2012-03-30 19:58 ` [ 081/108] ext4: flush any pending end_io requests before DIO reads w/dioread_nolock Greg KH
2012-03-30 19:58 ` [ 082/108] jbd2: clear BH_Delay & BH_Unwritten in journal_unmap_buffer Greg KH
2012-03-30 19:58 ` [ 083/108] ext4: ignore EXT4_INODE_JOURNAL_DATA flag with delalloc Greg KH
2012-03-30 19:58 ` [ 084/108] ext4: check for zero length extent Greg KH
2012-03-30 19:58 ` [ 085/108] vfs: fix d_ancestor() case in d_materialize_unique Greg KH
2012-03-30 19:58 ` [ 086/108] udf: Fix deadlock in udf_release_file() Greg KH
2012-03-30 19:58 ` [ 087/108] dm crypt: fix mempool deadlock Greg KH
2012-03-30 19:58 ` [ 088/108] dm crypt: add missing error handling Greg KH
2012-03-30 19:58 ` [ 089/108] dm exception store: fix init error path Greg KH
2012-03-30 19:58 ` [ 090/108] backlight: fix typo in tosa_lcd.c Greg KH
2012-03-30 19:58 ` [ 091/108] xfs: Fix oops on IO error during xlog_recover_process_iunlinks() Greg KH
2012-03-30 19:58 ` [ 092/108] slub: Do not hold slub_lock when calling sysfs_slab_add() Greg KH
2012-03-30 19:58 ` [ 093/108] module: Remove module size limit Greg KH
2012-03-30 19:58 ` [ 094/108] Bluetooth: btusb: fix bInterval for high/super speed isochronous endpoints Greg KH
2012-03-30 19:58 ` [ 095/108] drm/i915: suspend fbdev device around suspend/hibernate Greg KH
2012-03-30 19:58 ` [ 096/108] Fix pppol2tp getsockname() Greg KH
2012-03-30 19:58 ` [ 097/108] net: bpf_jit: fix BPF_S_LDX_B_MSH compilation Greg KH
2012-03-30 19:59 ` [ 098/108] net: fix a potential rcu_read_lock() imbalance in rt6_fill_node() Greg KH
2012-03-30 19:59 ` [ 099/108] net: fix napi_reuse_skb() skb reserve Greg KH
2012-03-30 19:59 ` [ 100/108] Remove printk from rds_sendmsg Greg KH
2012-03-30 19:59 ` [ 101/108] sky2: override for PCI legacy power management Greg KH
2012-03-30 19:59 ` [ 102/108] xfrm: Access the replay notify functions via the registered callbacks Greg KH
2012-03-30 19:59 ` [ 103/108] lockd: fix arg parsing for grace_period and timeout Greg KH
2012-03-30 19:59 ` [ 104/108] x86, tsc: Skip refined tsc calibration on systems with reliable TSC Greg KH
2012-03-30 19:59 ` [ 105/108] x86, tls: Off by one limit check Greg KH
2012-03-30 19:59 ` [ 106/108] compat: use sys_sendfile64() implementation for sendfile syscall Greg KH
2012-03-30 19:59 ` [ 107/108] nfsd: dont allow zero length strings in cache_parse() Greg KH
2012-03-30 19:59 ` [ 108/108] serial: sh-sci: fix a race of DMA submit_tx on transfer Greg KH
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