From: Andrey Borzenkov <arvidjaar@mail.ru>
To: linux-kernel@vger.kernel.org
Subject: Re: 2.5.74 - BUG in kfree during sys_close from netstat
Date: Tue, 8 Jul 2003 22:06:23 +0400 [thread overview]
Message-ID: <200307082206.23810.arvidjaar@mail.ru> (raw)
In-Reply-To: <200307082155.49404.arvidjaar@mail.ru>
On Tuesday 08 July 2003 21:59, Andrey Borzenkov wrote:
> Just tried and when connection is done while kmail is not started it works.
> I am not sure what kmail does - except that it actually is the only
> application to actively use IP here most of the time.
>
forget it - with or without kmail, with or without connection established
netstat bugs out every time:
pts/1}% ifconfig -a
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:177 errors:0 dropped:0 overruns:0 frame:0
TX packets:177 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:12238 (11.9 Kb) TX bytes:12238 (11.9 Kb)
{pts/1}% netstat -an
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 127.0.0.1:32768 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:587 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:10000 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:6000 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:631 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN
udp 0 0 0.0.0.0:514 0.0.0.0:*
udp 0 0 0.0.0.0:10000 0.0.0.0:*
udp 0 0 127.0.0.1:53 0.0.0.0:*
udp 0 0 224.0.0.251:5353 0.0.0.0:*
udp 0 0 127.0.0.1:5353 0.0.0.0:*
udp 0 0 0.0.0.0:111 0.0.0.0:*
udp 0 0 0.0.0.0:631 0.0.0.0:*
zsh: segmentation fault netstat -an
dmesg ->
------------[ cut here ]------------
kernel BUG at mm/slab.c:1537!
invalid operand: 0000 [#6]
CPU: 0
EIP: 0060:[<c014c530>] Tainted: P
EFLAGS: 00010002
EIP is at kfree+0x2e0/0x2f0
eax: 0000002c ebx: 00040000 ecx: cf1fe670 edx: 00000001
esi: c02b9ee0 edi: 00000100 ebp: ced77f34 esp: ced77f14
ds: 007b es: 007b ss: 0068
Process netstat (pid: 10529, threadinfo=ced76000 task=c1b100e0)
Stack: ced77f28 c02752fe cacdcad0 00000001 00000206 cacdcad0 cfab5a04 c245537c
ced77f4c c01881b8 00000100 cfab5a04 cfab5a04 cffdf8e4 ced77f70 c0165089
c245537c cfab5a04 c245537c c996fa98 cfab5a04 c61c2c54 00000000 ced77f98
Call Trace:
[<c02752fe>] raw_seq_start+0x4e/0x60
[<c01881b8>] seq_release_private+0x18/0x32
[<c0165089>] __fput+0x129/0x130
[<c0163703>] filp_close+0xc3/0x110
[<c01637e2>] sys_close+0x92/0x120
[<c010b527>] syscall_call+0x7/0xb
Code: 0f 0b 01 06 d1 93 2b c0 e9 44 fd ff ff 8d 76 00 55 89 e5 57
prev parent reply other threads:[~2003-07-08 17:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-08 17:59 Andrey Borzenkov
2003-07-08 18:06 ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-08 18:06 ` Andrey Borzenkov [this message]
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