Messages in this thread | | | Date | Thu, 19 Sep 2002 10:40:34 -0400 (EDT) | From | Burton Windle <> | Subject | [2.5.36] oops when reading /proc/locks |
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stock 2.5.36, non-preempt, non-smp. After enabling and then disabling an ethernet sniffer, then cat'ting /proc/locks, I can reproduce this oops easily.
<1>Unable to handle kernel NULL pointer dereference at virtual address 00000008 c01452aa *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0060:[<c01452aa>] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010282 eax: 00000000 ebx: 00000000 ecx: 00000400 edx: 00000400 esi: c66c8000 edi: c8c1d894 ebp: c66c8000 esp: c7e77ea8 ds: 0068 es: 0068 ss: 0068 Stack: 00000000 00000001 00000000 c56b9344 00000004 00000400 c8c1d898 c8c1d894 c01455dc c66c8000 c8c1d894 00000001 c0267b11 00000400 00000001 c66c8000 00000000 00000400 00000400 00000400 c66c8000 c0155f0a c66c8000 c7e77f3c Call Trace: [<c01455dc>] [<c0155f0a>] [<c0153a6d>] [<c01336c8>] [<c013ab6b>] [<c013389a>] [<c01071cf>] Code: 8b 58 08 8b 44 24 30 50 8b 4c 24 30 51 68 2a 7a 26 c0 56 e8
>>EIP; c01452aa <lock_get_status+1a/260> <=====
Trace; c01455dc <get_locks_status+5c/100> Trace; c0155f0a <locks_read_proc+1a/40> Trace; c0153a6d <proc_file_read+19d/1b0> Trace; c01336c8 <vfs_read+98/120> Trace; c013ab6b <sys_fstat64+2b/30> Trace; c013389a <sys_read+2a/40> Trace; c01071cf <syscall_call+7/b>
Code; c01452aa <lock_get_status+1a/260> 00000000 <_EIP>: Code; c01452aa <lock_get_status+1a/260> <===== 0: 8b 58 08 mov 0x8(%eax),%ebx <===== Code; c01452ad <lock_get_status+1d/260> 3: 8b 44 24 30 mov 0x30(%esp,1),%eax Code; c01452b1 <lock_get_status+21/260> 7: 50 push %eax Code; c01452b2 <lock_get_status+22/260> 8: 8b 4c 24 30 mov 0x30(%esp,1),%ecx Code; c01452b6 <lock_get_status+26/260> c: 51 push %ecx Code; c01452b7 <lock_get_status+27/260> d: 68 2a 7a 26 c0 push $0xc0267a2a Code; c01452bc <lock_get_status+2c/260> 12: 56 push %esi Code; c01452bd <lock_get_status+2d/260> 13: e8 00 00 00 00 call 18 <_EIP+0x18> c01452c2 <lock_get_status+32/260>
Linux razor 2.5.36 #0 Thu Sep 19 09:32:59 EST 2002 i686 unknown unknown GNU/Linux
Gnu C 3.0.4 Gnu make 3.79.1 util-linux 2.11n mount 2.11n modutils 2.4.15 e2fsprogs 1.27 Linux C Library 2.2.5 Dynamic linker (ldd) 2.2.5 Procps 2.0.7 Net-tools 1.60 Console-tools 0.2.3 Sh-utils 2.0.12
-- Burton Windle burton@fint.org Linux: the "grim reaper of innocent orphaned children." from /usr/src/linux-2.4.18/init/main.c:461
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