Messages in this thread |  | | | Date | Tue, 1 Feb 2000 21:35:27 +0000 (GMT) | | From | Dave Jones <> | | Subject | Accessing /proc/sys/net/core/wmem_max oopses 2.2.15pre5 |
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Hi all,
Both reports from kernel 2.2.15pre5
cat /proc/sys/net/core/wmem_max causes an oops.
Unable to handle kernel NULL pointer dereference at virtual address 00000001 current->tss.cr3 = 02505000, %cr3 = 02505000 *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[do_proc_dointvec+512/780] EFLAGS: 00010202 eax: c15cff7c ebx: 00000001 ecx: 00000000 edx: 00000001 esi: c15cff1c edi: 30078eaa ebp: 00000200 esp: c15cfef8 ds: 0018 es: 0018 ss: 0018 Process cat (pid: 15588, process nr: 122, stackpage=c15cf000) Stack: 00000000 00000200 c3e6c340 c0dd9980 c0dd99cc 00000001 30078ea9 00000001 c15cff1c c3e6c340 c012b9ec c3e6c3c0 c3e6c340 c0118a8b c01194b0 c020d1d0 00000000 c3c38740 0804c4a0 c15cff7c 00000001 00000000 c020d1d0 c3c38740 Call Trace: [do_follow_link+120/132] [test_perm+39/76] [proc_dointvec+36/44] [do_rw_proc+122/140] [proc_readsys+28/36] [sys_read+174/196] [system_call+52/56] Code: 8b 1a 89 d8 99 f7 7c 24 58 89 c7 57 68 09 54 1d c0 8b 4c 24 Code: 00000000 Before first symbol 00000000 <_IP>: <=== Code: 00000000 Before first symbol 0: 8b 1a mov (%edx),%ebx <=== Code: 00000002 Before first symbol 2: 89 d8 mov %ebx,%eax Code: 00000004 Before first symbol 4: 99 cltd Code: 00000005 Before first symbol 5: f7 7c 24 58 idiv 0x58(%esp,1),%eax Code: 00000009 Before first symbol 9: 89 c7 mov %eax,%edi Code: 0000000b Before first symbol b: 57 push %edi Code: 0000000c Before first symbol c: 68 09 54 1d c0 push $0xc01d5409 Code: 00000011 Before first symbol 11: 8b 4c 24 00 mov 0x0(%esp,1),%ecx
echo 32767 > /proc/sys/net/core/wmem_max causes a different oops.
Unable to handle kernel NULL pointer dereference at virtual address 00000001 current->tss.cr3 = 00879000, %cr3 = 00879000 *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0010:[do_proc_dointvec+408/780] EFLAGS: 00010297 eax: 00000001 ebx: 00000005 ecx: 00000000 edx: 00007fff esi: c0499f10 edi: 00000000 ebp: 00000001 esp: c0499eec ds: 0018 es: 0018 ss: 0018 Process bash (pid: 15603, process nr: 100, stackpage=c0499000) Stack: 00000001 00000006 c0499f15 00007fff c0499f0c 00000001 30078ea9 00000001 c0499f15 36373233 00000a37 00000202 c011b2c3 c083c058 c01194b0 c020d1d0 00000001 c3926680 40016005 c0499f70 00000001 00000000 c020d1d0 c3926680 Call Trace: [do_anonymous_page+115/132] [proc_dointvec+36/44] [do_rw_proc+122/140] [proc_writesys+28/36] [sys_write+219/256] [proc_writesys+0/36] [system_call+52/56] Code: 89 10 e9 b4 00 00 00 90 8b 4c 24 24 8b 44 24 14 21 01 e9 a4 Code: 00000000 Before first symbol 00000000 <_IP>: <=== Code: 00000000 Before first symbol 0: 89 10 mov %edx,(%eax) <=== Code: 00000002 Before first symbol 2: e9 b4 00 00 00 jmp 000000bb Before first symbol Code: 00000007 Before first symbol 7: 90 nop Code: 00000008 Before first symbol 8: 8b 4c 24 24 mov 0x24(%esp,1),%ecx Code: 0000000c Before first symbol c: 8b 44 24 14 mov 0x14(%esp,1),%eax Code: 00000010 Before first symbol 10: 21 01 and %eax,(%ecx) Code: 00000012 Before first symbol 12: e9 a4 00 00 00 jmp 000000bb Before first symbol regards,
-- Dave.
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