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Subject[Bug 1271] New: Kernel panic in network code
http://bugme.osdl.org/show_bug.cgi?id=1271

Summary: Kernel panic in network code
Kernel Version: 2.6.0-test5
Status: NEW
Severity: high
Owner: bugme-janitors@lists.osdl.org
Submitter: jhall@hcs-software.com


Problem Description:

Unable to handle kernel NULL pointer dereference at virtual address 00000049
printing eip:
c030b346
*pde = 00000000
Oops: 0000 [#1]
CPU: 1
EIP: 0060:[<c030b346>] Not tainted
EFLAGS: 00010246
EIP is at tcp_v4_get_port+0x3c6/0x3e0
eax: 00000000 ebx: f74ff380 ecx: f667ff40 edx: f667ff50
esi: 00000002 edi: 00002151 ebp: f66097c0 esp: f6b0be68
ds: 007b es: 007b ss: 0068
Process perl (pid: 3433, threadinfo=f6b0a000 task=f6b0d900)
Stack: 00000000 00000000 00000000 f66270d0 00000000 00000000 00000001 f6609908
00000000 00000000 00000000 00000001 f7c90a88 f66097c0 ffffffea f6609908
f6b0bee8 c031f215 f66097c0 00002151 c02d568d 00000003 21511818 f6612740
Call Trace:
[<c031f215>] inet_bind+0x1d5/0x300
[<c02d568d>] move_addr_to_kernel+0x8d/0xa0
[<c02d6d8b>] sys_bind+0x7b/0xb0
[<c011c11c>] do_page_fault+0x23c/0x44f
[<c02d59dc>] sockfd_lookup+0x1c/0x80
[<c02d74d8>] sys_setsockopt+0x78/0xc0
[<c02d7be8>] sys_socketcall+0xc8/0x2b0
[<c01095d9>] sysenter_past_esp+0x52/0x71

Code: 0f b6 40 49 24 20 84 c0 75 97 eb 89 89 14 24 e8 06 51 e1 ff
<0>Kernel panic: Fatal exception in interrupt
In interrupt handler - not syncing



Steps to reproduce:

rpmbuild --rebuild --target=athlon mod_perl-1.99_07-5.src.rpm

The kernel panics during the make test stage. I believe the modules/cgi test
is the culprit.

Software Environment:

Linux 2.6.0-test5 #3 SMP Tue Sep 23 15:18:28 GMT+5 2003 i686 athlon i386 GNU/Linux

Gnu C 3.2.2
Gnu make 3.79.1
util-linux 2.11y
mount 2.11y
module-init-tools 2.4.25
e2fsprogs 1.32
jfsutils 1.0.17
reiserfsprogs 3.6.4
pcmcia-cs 3.1.31
quota-tools 3.06.
PPP 2.4.1
isdn4k-utils 3.1pre4
nfs-utils 1.0.5
Linux C Library 2.3.2
Dynamic linker (ldd) 2.3.2
Procps 2.0.11
Net-tools 1.60
Kbd 1.08
Sh-utils 4.5.3
Modules Loaded natsemi crc32

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