Messages in this thread | | | Date | Fri, 18 Aug 2006 10:24:17 +0200 | From | Helge Hafting <> | Subject | Re: 2.6.18-rc4-mm1 BUG null pointer deref while saving a file |
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Dave Kleikamp wrote: > On Wed, 2006-08-16 at 13:44 +0200, Helge Hafting wrote: > >> Aug 16 13:20:30 hh kernel: BUG: unable to handle kernel NULL pointer >> dereference at virtual address 00000000 >> Aug 16 13:20:30 hh kernel: printing eip: >> Aug 16 13:20:30 hh kernel: c0468863 >> Aug 16 13:20:30 hh kernel: *pde = 00000000 >> Aug 16 13:20:30 hh kernel: Oops: 0002 [#1] >> Aug 16 13:20:30 hh kernel: 4K_STACKS >> Aug 16 13:20:30 hh kernel: last sysfs file: >> /devices/platform/i2c-9191/9191-0290/in0_input >> Aug 16 13:20:30 hh kernel: CPU: 0 >> Aug 16 13:20:30 hh kernel: EIP: 0060:[<c0468863>] Not tainted VLI >> Aug 16 13:20:30 hh kernel: EFLAGS: 00010002 (2.6.18-rc4-mm1 #7) >> Aug 16 13:20:30 hh kernel: EIP is at __down+0x5c/0xed >> Aug 16 13:20:30 hh kernel: eax: 00000000 ebx: d462e7e4 ecx: >> c14e7e40 edx: dde06f0c >> Aug 16 13:20:30 hh kernel: esi: 00000286 edi: c3365550 ebp: >> d462e7ec esp: dde06efc >> Aug 16 13:20:30 hh kernel: ds: 007b es: 007b ss: 0068 >> Aug 16 13:20:30 hh kernel: Process lyx (pid: 9353, ti=dde06000 >> task=c3365550 task.ti=dde06000) >> Aug 16 13:20:30 hh kernel: Stack: dde06f0c 00000001 c3365550 c0116941 >> d462e7ec 00000000 00000008 d851a9a8 >> Aug 16 13:20:30 hh kernel: d462e7c0 d32a1200 c0466bc7 c14e7e40 >> dde06000 c01ed987 00000008 00000000 >> Aug 16 13:20:30 hh kernel: 00000000 00000000 d7a31c00 caf9be0c >> 00000000 00001dbb d462e7e4 00000008 >> Aug 16 13:20:30 hh kernel: Call Trace: >> Aug 16 13:20:30 hh kernel: [<c0466bc7>] __down_failed+0x7/0xc >> Aug 16 13:20:30 hh kernel: DWARF2 unwinder stuck at __down_failed+0x7/0xc >> Aug 16 13:20:31 hh kernel: Leftover inexact backtrace: >> Aug 16 13:20:31 hh kernel: [<c01ed987>] .text.lock.file+0x54/0x9d >> Aug 16 13:20:31 hh kernel: [<c01516bd>] __fput+0xb2/0x163 >> Aug 16 13:20:31 hh kernel: [<c014ee9d>] filp_close+0x3e/0x62 >> Aug 16 13:20:31 hh kernel: [<c0150168>] sys_close+0x5c/0x6b >> Aug 16 13:20:31 hh kernel: [<c01028c9>] sysenter_past_esp+0x56/0x79 >> > > By any chance would you be using cifs? This looks just like the bug > that is fixed by this patch: > http://www.kernel.org/git/gitweb.cgi?p=linux/kernel/git/sfrench/cifs-2.6.git;a=commitdiff;h=e466e4876bf39474e15d0572f2204578137ae7f5 > Yes, this is on cifs. I should have mentioned that. Is this patch going in anyway, or should I test it? I don't know a way of reproducing the problem.
Helge Hafting - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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