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SubjectOops in 2.4.0-test8pre2

Hi folks,

I got the following oops right upon rebooting as killall5 attempted to kill off
processes. OS is 2.4.0-test8pre2/vanilla. The decoded oops follows:


ksymoops 2.3.4 on i686 2.4.0-test8. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.0-test8/ (default)
-m /boot/ (specified)

Unable to handle kernel NULL pointer dereference at virtual address 00000000
Oops: 0002
CPU: 0
EIP: 0010: [<c0113ed8>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 00000000 ebx: 0000000f ecx: cfbf93dc edx: cfbf9004
esi: c9925f40 edi: 080498f4 ebp: c14e0544 esp: c9925ec4
ds: 0018 es: 0018 ss: 0018
Process killall5 (pid: 787, stackpage=c9925000)
Stack: c9925f40 0000000f 080498f4 0000000f c011400d 0000000f c9925f40 c14e0544
c9925f40 0000000f 080498f4 bffffd88 c011434d 0000000f c9925f40 cffe0000
00000001 00000313 c0114400 0000000f c9925f40 00000001 00000001 00000313
Call Trace: [<c011400d>] [<c011434d>] [<c0114400>] [<c0114bed>] [<c0144dcd>]
[<c013bc30>] [<c012ed20>] [<c012ed61>] [<c012eda2>] [<c012df0e>]
[<c012df63>] [<c010aa2f>]
Code: 89 08 89 4d 04 85 f6 74 07 83 fe 01 74 2e eb 50 89 59 04 c7

>>EIP; c0113ed8 <send_signal+48/100> <=====
Trace; c011400d <send_tg_sig_info+7d/120>
Trace; c011434d <kill_tg_info+4d/60>
Trace; c0114400 <kill_something_info+a0/b0>
Trace; c0114bed <sys_kill+4d/60>
Trace; c0144dcd <proc_root_readdir+3d/50>
Trace; c013bc30 <filldir+0/e0>
Trace; c012ed20 <__fput+60/90>
Trace; c012ed61 <_fput+11/40>
Trace; c012eda2 <fput+12/20>
Trace; c012df0e <filp_close+4e/60>
Trace; c012df63 <sys_close+43/60>
Trace; c010aa2f <system_call+33/38>
Code; c0113ed8 <send_signal+48/100>
00000000 <_EIP>:
Code; c0113ed8 <send_signal+48/100> <=====
0: 89 08 movl %ecx,(%eax) <=====
Code; c0113eda <send_signal+4a/100>
2: 89 4d 04 movl %ecx,0x4(%ebp)
Code; c0113edd <send_signal+4d/100>
5: 85 f6 testl %esi,%esi
Code; c0113edf <send_signal+4f/100>
7: 74 07 je 10 <_EIP+0x10> c0113ee8 <send_signal+5
Code; c0113ee1 <send_signal+51/100>
9: 83 fe 01 cmpl $0x1,%esi
Code; c0113ee4 <send_signal+54/100>
c: 74 2e je 3c <_EIP+0x3c> c0113f14 <send_signal+8
Code; c0113ee6 <send_signal+56/100>
e: eb 50 jmp 60 <_EIP+0x60> c0113f38 <send_signal+a
Code; c0113ee8 <send_signal+58/100>
10: 89 59 04 movl %ebx,0x4(%ecx)
Code; c0113eeb <send_signal+5b/100>
13: c7 00 00 00 00 00 movl $0x0,(%eax)
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