* linked list corruption/use after free on bonding unload.
@ 2013-04-09 18:50 Dave Jones
2013-04-09 19:38 ` David Miller
0 siblings, 1 reply; 3+ messages in thread
From: Dave Jones @ 2013-04-09 18:50 UTC (permalink / raw)
To: netdev
Just hit this while doing a load/unload test of various modules.
No bonding configuration had been set up, just the module loaded.
bonding: bond0: released all slaves
------------[ cut here ]------------
WARNING: at lib/list_debug.c:93 __list_del_entry+0xa1/0xd0()
Hardware name: GA-MA78GM-S2H
list_del corruption. prev->next should be ffff88005b420be8, but was 6b6b6b6b6b6b6b6b
Pid: 3886605, comm: modprobe Not tainted 3.9.0-rc6+ #19
Call Trace:
[<ffffffff810450a5>] warn_slowpath_common+0x75/0xa0
[<ffffffff8104511c>] warn_slowpath_fmt+0x4c/0x50
[<ffffffff816b8502>] ? printk+0x67/0x69
[<ffffffff81353df1>] __list_del_entry+0xa1/0xd0
[<ffffffff81353e2d>] list_del+0xd/0x30
[<ffffffffa14c444b>] bond_uninit+0x6b/0xd0 [bonding]
[<ffffffff81581560>] rollback_registered_many+0x150/0x210
[<ffffffff81581749>] unregister_netdevice_many+0x19/0x60
[<ffffffff8159427e>] __rtnl_link_unregister+0x6e/0xb0
[<ffffffff815942e3>] rtnl_link_unregister+0x23/0x30
[<ffffffffa14ce96b>] bonding_exit+0x2d/0x6c2 [bonding]
[<ffffffff810c5bc5>] sys_delete_module+0x165/0x2f0
[<ffffffff810b6ac5>] ? trace_hardirqs_on_caller+0x115/0x1a0
[<ffffffff8134b18e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[<ffffffff816cdcc2>] system_call_fastpath+0x16/0x1b
---[ end trace ffa4539b4be32cfa ]---
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: linked list corruption/use after free on bonding unload.
2013-04-09 18:50 linked list corruption/use after free on bonding unload Dave Jones
@ 2013-04-09 19:38 ` David Miller
2013-04-09 19:42 ` Dave Jones
0 siblings, 1 reply; 3+ messages in thread
From: David Miller @ 2013-04-09 19:38 UTC (permalink / raw)
To: davej; +Cc: netdev
From: Dave Jones <davej@redhat.com>
Date: Tue, 9 Apr 2013 14:50:02 -0400
> Just hit this while doing a load/unload test of various modules.
> No bonding configuration had been set up, just the module loaded.
What tree?
We recently had to revert a bonding "fix" and implement it differently.
So Linus's tree could cause this oops on bonding unload but 'net'
won't.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: linked list corruption/use after free on bonding unload.
2013-04-09 19:38 ` David Miller
@ 2013-04-09 19:42 ` Dave Jones
0 siblings, 0 replies; 3+ messages in thread
From: Dave Jones @ 2013-04-09 19:42 UTC (permalink / raw)
To: David Miller; +Cc: netdev
On Tue, Apr 09, 2013 at 03:38:31PM -0400, David Miller wrote:
> From: Dave Jones <davej@redhat.com>
> Date: Tue, 9 Apr 2013 14:50:02 -0400
>
> > Just hit this while doing a load/unload test of various modules.
> > No bonding configuration had been set up, just the module loaded.
>
> What tree?
v3.9-rc6-13-gf011a08
> We recently had to revert a bonding "fix" and implement it differently.
> So Linus's tree could cause this oops on bonding unload but 'net'
> won't.
ah, sounds promising. I'll retest when your next push lands.
thanks,
Dave
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2013-04-09 19:42 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-04-09 18:50 linked list corruption/use after free on bonding unload Dave Jones
2013-04-09 19:38 ` David Miller
2013-04-09 19:42 ` Dave Jones
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).