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Old 02-21-2012, 09:55 PM
Niccolò Belli
 
Default Bug#660804: kernel panic when receiving an ipsec packet

Package: linux-image-2.6.32-5-amd64
Version: 2.6.32-41
Severity: important

More info about my Strongswan/Openswan config:
https://lists.strongswan.org/pipermail/users/2012-February/007151.html


As soon as the server receives the first ipsec packet the machine hangs,
even magic sysrq keys do not work.


I attached a serial console and this is what I get:

[ 135.642460] BUG: unable to handle kernel paging request at
ffff8802aef2fbff

[ 135.649876] IP: [<ffffffff81196213>] memmove+0xf/0x3c
[ 135.655282] PGD 1002063 PUD 0
[ 135.658629] Thread overran stack, or stack corrupted
[ 135.663781] Oops: 0000 [#1] SMP
[ 135.667275] last sysfs file: /sys/module/zlib_deflate/initstate
[ 135.673380] CPU 0
[ 135.675606] Modules linked in: authenc deflate ctr camellia cast5
rmd160 sha1_generic hmac crypto_null ccm serpent blowfish twofish
twofish_common ecb xcbc cbc sha256_generic s]
[ 135.813814] Pid: 0, comm: swapper Not tainted 2.6.32-5-amd64 #1 To Be
Filled By O.E.M.
[ 135.822044] RIP: 0010:[<ffffffff81196213>] [<ffffffff81196213>]
memmove+0xf/0x3c

[ 135.829956] RSP: 0018:ffff880007203ca0 EFLAGS: 00010293
[ 135.835539] RAX: ffff8801aef2fc00 RBX: ffff8801b035d700 RCX:
0000000000000009
[ 135.842994] RDX: 0000000000000009 RSI: ffff8802aef2fbff RDI:
ffff8801aef2fc33
[ 135.850384] RBP: ffff8801b035d738 R08: 0000000000000000 R09:
ffff8801aef2fc33
[ 135.857791] R10: ffff8801aec8f178 R11: ffffffffa048e0ef R12:
ffff8801aec8f800
[ 135.865149] R13: 0000000000000002 R14: 0000000000000004 R15:
0000000000000000
[ 135.872575] FS: 0000000000000000(0000) GS:ffff880007200000(0000)
knlGS:0000000000000000

[ 135.885892] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[ 135.891902] CR2: ffff8802aef2fbff CR3: 00000001aa4fb000 CR4:
00000000000006f0
[ 135.899362] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 135.906857] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 135.914239] Process swapper (pid: 0, threadinfo ffffffff8142e000,
task ffffffff814891f0)

[ 135.922570] Stack:
[ 135.924726] ffff8801b035d700 ffffffffa048e254 ffff8801aec8f800
ffff8801b035d700
[ 135.932479] <0> 0000000000000004 ffffffff812b0ab6 9411941100000011
ffffffff816d35b0
[ 135.940803] <0> e940ab4d00000000 ea5d2cd94b9e8da7 01000000a6e1ad80
ffff8801aaf71040

[ 135.949461] Call Trace:
[ 135.952060] <IRQ>
[ 135.954349] [<ffffffffa048e254>] ?
xfrm4_mode_tunnel_input+0x165/0x189 [xfrm4_mode_tunnel]

[ 135.963057] [<ffffffff812b0ab6>] ? xfrm_input+0x26f/0x386
[ 135.968743] [<ffffffff8129340c>] ? udp_queue_rcv_skb+0x56/0x201
[ 135.974993] [<ffffffff81293993>] ? __udp4_lib_rcv+0x3dc/0x5e7
[ 135.981097] [<ffffffff81273896>] ? ip_local_deliver_finish+0x0/0x1e9
[ 135.987814] [<ffffffff812739dc>] ? ip_local_deliver_finish+0x146/0x1e9
[ 135.994684] [<ffffffff8127352b>] ? ip_rcv_finish+0x373/0x38d
[ 136.000639] [<ffffffff812737e5>] ? ip_rcv+0x2a0/0x2ed
[ 136.006026] [<ffffffff8124fb55>] ? process_backlog+0x81/0xb4
[ 136.011963] [<ffffffff8125013b>] ? net_rx_action+0xae/0x1c9
[ 136.017817] [<ffffffff81053dc7>] ? __do_softirq+0xdd/0x1a6
[ 136.023590] [<ffffffff81011cac>] ? call_softirq+0x1c/0x30
[ 136.029322] [<ffffffff8101322b>] ? do_softirq+0x3f/0x7c
[ 136.034844] [<ffffffff81053c37>] ? irq_exit+0x36/0x76
[ 136.040185] [<ffffffff81012922>] ? do_IRQ+0xa0/0xb6
[ 136.045347] [<ffffffff810114d3>] ? ret_from_intr+0x0/0x11
[ 136.051026] <EOI>
[ 136.053318] [<ffffffff810176a4>] ? mwait_idle+0x72/0x7d
[ 136.058857] [<ffffffff81017654>] ? mwait_idle+0x22/0x7d
[ 136.064349] [<ffffffff8100fe97>] ? cpu_idle+0xa2/0xda
[ 136.069708] [<ffffffff8151c140>] ? early_idt_handler+0x0/0x71
[ 136.075743] [<ffffffff8151ccdd>] ? start_kernel+0x3dc/0x3e8
[ 136.081559] [<ffffffff8151c3b7>] ? x86_64_start_kernel+0xf9/0x106
[ 136.087974] Code: 17 0f 1f 80 00 00 00 00 44 8a 06 44 88 07 48 ff c7
48 ff c6 ff c9 75 f0 c3 90 90 90 48 83 ec 08 48 39 f7 49 89 f9 48 89 d1
73 04 <f3> a4 eb 1d 4c 8d 04 17 48

[ 136.111424] RIP [<ffffffff81196213>] memmove+0xf/0x3c
[ 136.116814] RSP <ffff880007203ca0>
[ 136.120428] CR2: ffff8802aef2fbff
[ 136.123877] ---[ end trace a549686a4982f42d ]---
[ 136.128728] Kernel panic - not syncing: Fatal exception in interrupt
[ 136.135363] Pid: 0, comm: swapper Tainted: G D 2.6.32-5-amd64 #1
[ 136.142339] Call Trace:
[ 136.144925] <IRQ> [<ffffffff812fade7>] ? panic+0x86/0x143
[ 136.150823] [<ffffffff81068740>] ? up+0xe/0x37
[ 136.155536] [<ffffffff8104e5af>] ? release_console_sem+0x17e/0x1af
[ 136.162093] [<ffffffff812fdb25>] ? oops_end+0xa7/0xb4
[ 136.167503] [<ffffffff810323f0>] ? no_context+0x1e9/0x1f8
[ 136.173206] [<ffffffff810325a5>] ? __bad_area_nosemaphore+0x1a6/0x1ca
[ 136.179918] [<ffffffffa054c4cf>] ? crypto_cbc_decrypt+0x101/0x11f [cbc]
[ 136.186895] [<ffffffff812feeef>] ? do_page_fault+0x69/0x2fc
[ 136.192794] [<ffffffff812fd005>] ? page_fault+0x25/0x30
[ 136.198336] [<ffffffffa048e0ef>] ? xfrm4_mode_tunnel_input+0x0/0x189
[xfrm4_mode_tunnel]

[ 136.206791] [<ffffffff81196213>] ? memmove+0xf/0x3c
[ 136.212019] [<ffffffffa048e254>] ?
xfrm4_mode_tunnel_input+0x165/0x189 [xfrm4_mode_tunnel]

[ 136.220718] [<ffffffff812b0ab6>] ? xfrm_input+0x26f/0x386
[ 136.226414] [<ffffffff8129340c>] ? udp_queue_rcv_skb+0x56/0x201
[ 136.232620] [<ffffffff81293993>] ? __udp4_lib_rcv+0x3dc/0x5e7
[ 136.238645] [<ffffffff81273896>] ? ip_local_deliver_finish+0x0/0x1e9
[ 136.245322] [<ffffffff812739dc>] ? ip_local_deliver_finish+0x146/0x1e9
[ 136.252184] [<ffffffff8127352b>] ? ip_rcv_finish+0x373/0x38d
[ 136.258157] [<ffffffff812737e5>] ? ip_rcv+0x2a0/0x2ed
[ 136.263565] [<ffffffff8124fb55>] ? process_backlog+0x81/0xb4
[ 136.269523] [<ffffffff8125013b>] ? net_rx_action+0xae/0x1c9
[ 136.275384] [<ffffffff81053dc7>] ? __do_softirq+0xdd/0x1a6
[ 136.281236] [<ffffffff81011cac>] ? call_softirq+0x1c/0x30
[ 136.286951] [<ffffffff8101322b>] ? do_softirq+0x3f/0x7c
[ 136.292446] [<ffffffff81053c37>] ? irq_exit+0x36/0x76
[ 136.297781] [<ffffffff81012922>] ? do_IRQ+0xa0/0xb6
[ 136.303009] [<ffffffff810114d3>] ? ret_from_intr+0x0/0x11
[ 136.308750] <EOI> [<ffffffff810176a4>] ? mwait_idle+0x72/0x7d
[ 136.314939] [<ffffffff81017654>] ? mwait_idle+0x22/0x7d
[ 136.320422] [<ffffffff8100fe97>] ? cpu_idle+0xa2/0xda
[ 136.325807] [<ffffffff8151c140>] ? early_idt_handler+0x0/0x71
[ 136.331841] [<ffffffff8151ccdd>] ? start_kernel+0x3dc/0x3e8
[ 136.337763] [<ffffffff8151c3b7>] ? x86_64_start_kernel+0xf9/0x106



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