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4.1.16 crash: list_add corruption

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Hello,
one of our servers crashed repeatedly this week. After setting up serial
console logging we were able to capture the following stack traces:

> [3689736.061539] WARNING: CPU: 0 PID: 29284 at linux-4.1.6/lib/list_debug.c:33 __list_add+0xc0/0xd0()
> [3689736.061541] list_add corruption. prev->next should be next (ffffffff81ab3ca8), but was ffffffff81ab3cc8. (prev=ffff8804d9910d58).

Compare this ...

> [3689736.061602] CPU: 0 PID: 29284 Comm: slapd Tainted: G        W       4.1.0-ucs190-amd64 #1 Debian 4.1.6-1.190.201604142226
> [3689736.061603] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/21/2015

Maybe VMware has a bug?

> [3689736.061604]  0000000000000000 ffffffff817531c0 ffffffff81597807 ffff88083fc038a8
> [3689736.061606]  ffffffff81076c45 ffff88004b553e00 ffffffff81ab3ca8 ffff8804d9910d58
> [3689736.061608]  0000000000000001 0000000137090762 ffffffff81076d4a ffffffff81753310
> [3689736.061609] Call Trace:
...
> [3689736.061624]  [<ffffffff8130be50>] ? __list_add+0xc0/0xd0
> [3689736.061627]  [<ffffffff810da5a6>] ? internal_add_timer+0x36/0xa0
> [3689736.061629]  [<ffffffff810dc6fa>] ? mod_timer_pending+0xfa/0x140
> [3689736.061635]  [<ffffffffa048c441>] ? __nf_ct_refresh_acct+0xb1/0xc0 [nf_conntrack]
> [3689736.061640]  [<ffffffffa04945bc>] ? tcp_packet+0x66c/0x1500 [nf_conntrack]
> [3689736.061643]  [<ffffffff810b5fff>] ? autoremove_wake_function+0x2f/0x50
> [3689736.061647]  [<ffffffffa0493ef2>] ? tcp_error+0x1b2/0x210 [nf_conntrack]
> [3689736.061650]  [<ffffffffa048e725>] ? nf_conntrack_in+0x3a5/0xb30 [nf_conntrack]
> [3689736.061654]  [<ffffffff81481cb4>] ? sk_reset_timer+0x14/0x20
> [3689736.061657]  [<ffffffff814cdeef>] ? nf_iterate+0x4f/0x80
> [3689736.061659]  [<ffffffff814cdfb8>] ? nf_hook_slow+0x98/0xf0
> [3689736.061662]  [<ffffffff814d52f4>] ? ip_rcv+0x314/0x400
> [3689736.061664]  [<ffffffff814d48a0>] ? inet_add_protocol+0x50/0x50
> [3689736.061668]  [<ffffffff81498ae3>] ? __netif_receive_skb_core+0x703/0x920
> [3689736.061670]  [<ffffffff8101f405>] ? read_tsc+0x5/0x10
> [3689736.061672]  [<ffffffff81498ecf>] ? netif_receive_skb_internal+0x1f/0x90
> [3689736.061673]  [<ffffffff81499af0>] ? napi_gro_receive+0xb0/0xe0
> [3689736.061678]  [<ffffffffa0097fe4>] ? e1000_clean_rx_irq+0x2b4/0x500 [e1000]
> [3689736.061681]  [<ffffffffa0099ccc>] ? e1000_clean+0x26c/0x900 [e1000]
> [3689736.061683]  [<ffffffff81499629>] ? net_rx_action+0x159/0x330
> [3689736.061685]  [<ffffffff8107aace>] ? __do_softirq+0xde/0x260
> [3689736.061687]  [<ffffffff8107ae95>] ? irq_exit+0x95/0xa0
> [3689736.061689]  [<ffffffff815a0b74>] ? do_IRQ+0x64/0x110
> [3689736.061691]  [<ffffffff8159e9ee>] ? common_interrupt+0x6e/0x6e
...
> [3689738.157677] WARNING: CPU: 0 PID: 29284 at linux-4.1.6/lib/list_debug.c:33 __list_add+0xc0/0xd0()
> [3689738.157678] list_add corruption. prev->next should be next (ffffffff81ab3cc8), but was ffffffff81ab3ca8. (prev=ffff8804d9910d58).

with that one: the arguments are swapped.

...
> [3689738.157740]  [<ffffffff8130be50>] ? __list_add+0xc0/0xd0
> [3689738.157742]  [<ffffffff810da5a6>] ? internal_add_timer+0x36/0xa0
> [3689738.157744]  [<ffffffff810dc6fa>] ? mod_timer_pending+0xfa/0x140
> [3689738.157748]  [<ffffffffa048c441>] ? __nf_ct_refresh_acct+0xb1/0xc0 [nf_conntrack]
> [3689738.157751]  [<ffffffffa04945bc>] ? tcp_packet+0x66c/0x1500 [nf_conntrack]
> [3689738.157753]  [<ffffffff8101f9d5>] ? sched_clock+0x5/0x10
> [3689738.157755]  [<ffffffff8109ea48>] ? resched_curr+0x38/0xc0
> [3689738.157758]  [<ffffffff810b5fff>] ? autoremove_wake_function+0x2f/0x50
> [3689738.157760]  [<ffffffffa0493ef2>] ? tcp_error+0x1b2/0x210 [nf_conntrack]
> [3689738.157763]  [<ffffffffa048e725>] ? nf_conntrack_in+0x3a5/0xb30 [nf_conntrack]
> [3689738.157765]  [<ffffffff81481cb4>] ? sk_reset_timer+0x14/0x20
> [3689738.157768]  [<ffffffff814cdeef>] ? nf_iterate+0x4f/0x80
> [3689738.157769]  [<ffffffff814cdfb8>] ? nf_hook_slow+0x98/0xf0
> [3689738.157771]  [<ffffffff814d52f4>] ? ip_rcv+0x314/0x400
> [3689738.157773]  [<ffffffff814d48a0>] ? inet_add_protocol+0x50/0x50
> [3689738.157775]  [<ffffffff81498ae3>] ? __netif_receive_skb_core+0x703/0x920
> [3689738.157777]  [<ffffffff8101f405>] ? read_tsc+0x5/0x10
> [3689738.157778]  [<ffffffff81498ecf>] ? netif_receive_skb_internal+0x1f/0x90
> [3689738.157780]  [<ffffffff81499af0>] ? napi_gro_receive+0xb0/0xe0
> [3689738.157784]  [<ffffffffa0097fe4>] ? e1000_clean_rx_irq+0x2b4/0x500 [e1000]
> [3689738.157787]  [<ffffffffa0099ccc>] ? e1000_clean+0x26c/0x900 [e1000]
> [3689738.157789]  [<ffffffff81499629>] ? net_rx_action+0x159/0x330
> [3689738.157791]  [<ffffffff8107aace>] ? __do_softirq+0xde/0x260
> [3689738.157792]  [<ffffffff8107ae95>] ? irq_exit+0x95/0xa0
> [3689738.157794]  [<ffffffff815a0b74>] ? do_IRQ+0x64/0x110
> [3689738.157797]  [<ffffffff8159e9ee>] ? common_interrupt+0x6e/0x6e

Has anyone seen a similar issue and knows if it is fixed post 4.1.16?

If you need more data, just ask and I will see what else I can gather.

Thank you in advance.

Philipp
-- 
Philipp Hahn
Open Source Software Engineer

Univention GmbH
be open.
Mary-Somerville-Str. 1
D-28359 Bremen
Tel.: +49 421 22232-0
Fax : +49 421 22232-99
hahn@univention.de

http://www.univention.de/
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HRB 20755 Amtsgericht Bremen
Steuer-Nr.: 71-597-02876

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4.1.16 crash: list_add corruption Philipp Hahn <hahn@univention.de> - 2016-09-28 19:20 +0200

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