From: Dave Jones <davej@redhat.com>
To: netdev@vger.kernel.org
Subject: linked list corruption/use after free on bonding unload.
Date: Tue, 9 Apr 2013 14:50:02 -0400 [thread overview]
Message-ID: <20130409185002.GA3784@redhat.com> (raw)
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 ]---
next reply other threads:[~2013-04-09 19:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-09 18:50 Dave Jones [this message]
2013-04-09 19:38 ` linked list corruption/use after free on bonding unload David Miller
2013-04-09 19:42 ` Dave Jones
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