From: Eric Sesterhenn <snakebyte@gmx.de>
To: netdev@vger.kernel.org
Subject: Re: oops in skb_under_panic with linux-next
Date: Wed, 21 May 2008 12:55:10 +0200 [thread overview]
Message-ID: <20080521105510.GA14171@alice> (raw)
In-Reply-To: <20080520174912.GA6231@alice>
* Eric Sesterhenn (snakebyte@gmx.de) wrote:
> hi,
>
> i saw the following oops with linux-next from today
> running icmpv6fuzz -r 2187
> I was able to reproduce this, but didnt try rebooting and reproducing
> since i am currently not at home
i triggered this bug again with todays -git, but not
sure yet on how to reproduce this reliably.
[ 3504.409219] icmpv6: msg of unknown type
[ 3504.599537] skb_under_panic: text:c056d0b7 len:2083 put:864
head:c91e33b0 data:c91e3150 tail:0xc91e34b0 end:0xc91e34b0 dev:<NULL>
[ 3504.614505] ------------[ cut here ]------------
[ 3504.614630] kernel BUG at net/core/skbuff.c:149!
[ 3504.614707] invalid opcode: 0000 [#1] PREEMPT DEBUG_PAGEALLOC
[ 3504.614931] Modules linked in: nfsd exportfs
[ 3504.615130]
[ 3504.615196] Pid: 1848, comm: icmpv6fuzz Not tainted
(2.6.26-rc3-00243-gd40ace0 #26)
[ 3504.615317] EIP: 0060:[<c04cff7c>] EFLAGS: 00010282 CPU: 0
[ 3504.615354] EIP is at skb_under_panic+0x5c/0x60
[ 3504.615354] EAX: 00000088 EBX: c91e33b0 ECX: 10000000 EDX: 00000000
[ 3504.615354] ESI: 00000000 EDI: c9aadd70 EBP: c91d4c30 ESP: c91d4c04
[ 3504.615354] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[ 3504.615354] Process icmpv6fuzz (pid: 1848, ti=c91d4000 task=ca885e80
task.ti=c91d4000)
[ 3504.615354] Stack: c076f8f0 c056d0b7 00000823 00000360 c91e33b0
c91e3150 c91e34b0 c91e34b0
[ 3504.615354] c0738473 c9aab0e0 c92c612c c91d4c3c c04d0f8a
c91d4cb3 c91d4c58 c056d0b7
[ 3504.615354] 00000000 ca885e80 00000000 cedd8e04 c9aadd70
c91d4c80 c056d1f5 c92c612c
[ 3504.615354] Call Trace:
[ 3504.615354] [<c056d0b7>] ? ipv6_push_exthdr+0x27/0x60
[ 3504.615354] [<c04d0f8a>] ? skb_push+0x2a/0x40
[ 3504.615354] [<c056d0b7>] ? ipv6_push_exthdr+0x27/0x60
[ 3504.615354] [<c056d1f5>] ? ipv6_push_nfrag_opts+0xd5/0xf0
[ 3504.615354] [<c054ba05>] ? ip6_push_pending_frames+0x1e5/0x410
[ 3504.615354] [<c056119c>] ? rawv6_sendmsg+0xa8c/0xce0
[ 3504.615354] [<c017a131>] ? check_bytes_and_report+0x21/0xc0
[ 3504.615354] [<c0179e13>] ? slab_pad_check+0x73/0x110
[ 3504.615354] [<c0521a84>] ? inet_sendmsg+0x34/0x60
[ 3504.615354] [<c04cb1c4>] ? sock_sendmsg+0xc4/0xf0
[ 3504.615354] [<c017b553>] ? __slab_free+0x63/0x2e0
[ 3504.615354] [<c0138190>] ? autoremove_wake_function+0x0/0x40
[ 3504.615354] [<c04cb31f>] ? sys_sendmsg+0x12f/0x230
[ 3504.615354] [<c010974f>] ? native_sched_clock+0x7f/0xb0
[ 3504.615354] [<c036db16>] ? copy_from_user+0x46/0x80
[ 3504.615354] [<c04cb4c5>] ? sys_sendto+0xa5/0xd0
[ 3504.615354] [<c04cd20f>] ? release_sock+0xbf/0xd0
[ 3504.615354] [<c05fe50f>] ? _spin_unlock_bh+0x2f/0x40
[ 3504.615354] [<c04cc6ee>] ? sock_ioctl+0x6e/0x1b0
[ 3504.615354] [<c04cc37d>] ? sys_socketcall+0x13d/0x260
[ 3504.615354] [<c0103d7d>] ? sysenter_past_esp+0x6a/0xb1
[ 3504.615354] =======================
[ 3504.615354] Code: 00 00 89 5c 24 14 8b 98 90 00 00 00 89 54 24 0c 89
5c 24 10 8b 40 50 89 4c 24 04 c7 04 24 f0 f8 76 c0 89 44 24 08 e8 94 63
c5 ff <0f> 0b eb fe 55 89 e5 56 53 bb 73 84 73 c0 83 ec 24 8b 70 14 85
[ 3504.615354] EIP: [<c04cff7c>] skb_under_panic+0x5c/0x60 SS:ESP
0068:c91d4c04
[ 3504.695974] ---[ end trace 93117dac2000f4c6 ]---
prev parent reply other threads:[~2008-05-21 10:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-20 17:49 oops in skb_under_panic with linux-next Eric Sesterhenn
2008-05-21 10:55 ` Eric Sesterhenn [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080521105510.GA14171@alice \
--to=snakebyte@gmx.de \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.