lkml.org 
[lkml]   [2004]   [Nov]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: kernel 2.6.9 freezes upon dereferencing invalid C++ ref in xxdiff.
On Wed, 3 Nov 2004, Martin Blais wrote:

> [1.] One line summary of the problem:
>
> kernel 2.6.9 freezes upon dereferenceing invalid C++ ref in xxdiff.

Interesting, i could trigger it in 2.6.9 but not 2.6.10-rc1-mm2.

------------[ cut here ]------------
kernel BUG at <bad filename>:25321!
invalid operand: 0000 [#1]
SMP DEBUG_PAGEALLOC
Modules linked in: pcnet32
CPU: 0
EIP: 0060:[<c038a344>] Not tainted VLI
EFLAGS: 00010246 (2.6.9-rtl)
EIP is at tcp_transmit_skb+0x8f4/0x900
eax: c19e9eb8 ebx: c2974f60 ecx: 00000020 edx: c2986f60
esi: 00000020 edi: c21b1dc0 ebp: c2974f60 esp: c23cfd8c
ds: 007b es: 007b ss: 0068
Process xxdiff (pid: 2194, threadinfo=c23ce000 task=c19e2aa0)
Stack: c013c879 c3e9b3c0 00000020 c2986000 c03616f7 00000246 c2974f60 00000020
c2986f98 c21b1d28 c2974f60 00000020 c21b1bb0 c2974f60 c038c15a c21b1bb0
c2986f60 c21b1dc0 c2970f60 c21b1bb0 00000218 c0388d23 c21b1bb0 c2970f60
Call Trace:
[<c013c879>] kmem_cache_alloc+0x69/0xa0
[<c03616f7>] skb_clone+0x17/0x140
[<c038c15a>] tcp_send_synack+0x14a/0x150
[<c0388d23>] tcp_rcv_synsent_state_process+0x543/0x5a0
[<c0389723>] tcp_rcv_state_process+0x9a3/0xab0
[<c0391236>] tcp_v4_do_rcv+0x76/0x110
[<c0360a72>] __release_sock+0x42/0x60
[<c0361186>] release_sock+0x56/0x60
[<c039e58f>] inet_wait_for_connect+0x7f/0xe0
[<c0118d40>] autoremove_wake_function+0x0/0x40
[<c0118d40>] autoremove_wake_function+0x0/0x40
[<c039e693>] inet_stream_connect+0xa3/0x180
[<c035eecd>] sys_connect+0x5d/0x80
[<c035fbcc>] sock_setsockopt+0x9c/0x500
[<c035dad2>] sock_map_fd+0x102/0x140
[<c01515cb>] fget+0x3b/0x50
[<c01189de>] __might_sleep+0xae/0xd0
[<c02314cf>] copy_from_user+0x4f/0x80
[<c035f7a1>] sys_socketcall+0x91/0x1b0
[<c0114760>] do_page_fault+0x0/0x5a8
[<c0106e26>] error_code+0x126/0x130
[<c0105c87>] syscall_call+0x7/0xb
Code: 8d b4 26 00 00 00 00 8a 87 4f 01 00 00 84 c0 0f 84 02 f8 ff ff 8b 54 24 1c 25 ff 00 00
00 8d 54 c2 04 89 54 24 1c e9 ec f7 ff ff <0f> 0b e9 62 f7 ff ff 90 8d 74 26 00 53 8b 4c 24 0
c 8b 5c 24 08
-
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/

\
 
 \ /
  Last update: 2005-03-22 14:07    [W:2.006 / U:0.144 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site