Issue

• Our customer encoutered a problem that kernel panic occurred on kvm host when a kvm guest is resumed.

2013-02-28 21:39:06 Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffffffff8148f603
2013-02-28 21:39:06 
2013-02-28 21:39:06 Pid: 11497, comm: qemu-kvm Not tainted 2.6.32-220.17.1.el6.x86_64 #1
2013-02-28 21:39:06 Call Trace:
2013-02-28 21:39:06  <IRQ>  [<ffffffff814ec98a>] ? panic+0x78/0x143
2013-02-28 21:39:06  [<ffffffff8148f603>] ? icmp_send+0x743/0x780
2013-02-28 21:39:06  [<ffffffff81069dab>] ? __stack_chk_fail+0x1b/0x30
2013-02-28 21:39:06  [<ffffffff8148f603>] ? icmp_send+0x743/0x780
2013-02-28 21:39:06  [<ffffffff81449040>] ? eth_type_trans+0x40/0x140
2013-02-28 21:39:06  [<ffffffffa00ca0f3>] ? ipt_hook+0x23/0x30 [iptable_filter]
2013-02-28 21:39:06  [<ffffffff81457b19>] ? nf_iterate+0x69/0xb0
2013-02-28 21:39:06  [<ffffffffa051d850>] ? br_nf_forward_finish+0x0/0x140 [bridge]
2013-02-28 21:39:06  [<ffffffff81457cd4>] ? nf_hook_slow+0x74/0x110
2013-02-28 21:39:06  [<ffffffffa051d850>] ? br_nf_forward_finish+0x0/0x140 [bridge]
2013-02-28 21:39:06  [<ffffffffa051ed2e>] ? br_nf_forward_ip+0x1ee/0x3c0 [bridge]
2013-02-28 21:39:06  [<ffffffff81457b19>] ? nf_iterate+0x69/0xb0
2013-02-28 21:39:06  [<ffffffffa0517600>] ? br_forward_finish+0x0/0x60 [bridge]
2013-02-28 21:39:06  [<ffffffff81457cd4>] ? nf_hook_slow+0x74/0x110
2013-02-28 21:39:06  [<ffffffffa0517600>] ? br_forward_finish+0x0/0x60 [bridge]
2013-02-28 21:39:06  [<ffffffffa05176d2>] ? __br_forward+0x72/0xc0 [bridge]
2013-02-28 21:39:06  [<ffffffff81457cd4>] ? nf_hook_slow+0x74/0x110
2013-02-28 21:39:06  [<ffffffffa051777d>] ? br_forward+0x5d/0x70 [bridge]
2013-02-28 21:39:06  [<ffffffffa0518669>] ? br_handle_frame_finish+0x179/0x2a0 [bridge]
2013-02-28 21:39:06  [<ffffffffa051e2c8>] ? br_nf_pre_routing_finish+0x228/0x340 [bridge]
2013-02-28 21:39:06  [<ffffffffa051e83f>] ? br_nf_pre_routing+0x45f/0x760 [bridge]
2013-02-28 21:39:06  [<ffffffff81457b19>] ? nf_iterate+0x69/0xb0
2013-02-28 21:39:06  [<ffffffffa05184f0>] ? br_handle_frame_finish+0x0/0x2a0 [bridge]
2013-02-28 21:39:06  [<ffffffff81457cd4>] ? nf_hook_slow+0x74/0x110
2013-02-28 21:39:06  [<ffffffffa05184f0>] ? br_handle_frame_finish+0x0/0x2a0 [bridge]
2013-02-28 21:39:06  [<ffffffffa051891c>] ? br_handle_frame+0x18c/0x250 [bridge]
2013-02-28 21:39:06  [<ffffffff8142c509>] ? __netif_receive_skb+0x519/0x6f0
2013-02-28 21:39:06  [<ffffffff8142c77a>] ? process_backlog+0x9a/0x100
2013-02-28 21:39:06  [<ffffffff81430df3>] ? net_rx_action+0x103/0x2f0
2013-02-28 21:39:06  [<ffffffff81072291>] ? __do_softirq+0xc1/0x1d0
2013-02-28 21:39:06  [<ffffffff8100c24c>] ? call_softirq+0x1c/0x30
2013-02-28 21:39:06  <EOI>  [<ffffffff8100de85>] ? do_softirq+0x65/0xa0
2013-02-28 21:39:06  [<ffffffff81431928>] ? netif_rx_ni+0x28/0x30
2013-02-28 21:39:06  [<ffffffffa029f445>] ? tun_chr_aio_write+0x295/0x590 [tun]
2013-02-28 21:39:06  [<ffffffffa029f1b0>] ? tun_chr_aio_write+0x0/0x590 [tun]
2013-02-28 21:39:06  [<ffffffff811764db>] ? do_sync_readv_writev+0xfb/0x140
2013-02-28 21:39:06  [<ffffffff81090d30>] ? autoremove_wake_function+0x0/0x40
2013-02-28 21:39:06  [<ffffffff810565a3>] ? perf_event_task_sched_out+0x33/0x80
2013-02-28 21:39:06  [<ffffffff8120c646>] ? security_file_permission+0x16/0x20
2013-02-28 21:39:06  [<ffffffff8117756f>] ? do_readv_writev+0xcf/0x1f0
2013-02-28 21:39:06  [<ffffffff81189b4a>] ? do_vfs_ioctl+0x3aa/0x580
2013-02-28 21:39:06  [<ffffffff814ed0a0>] ? thread_return+0x4e/0x76e
2013-02-28 21:39:06  [<ffffffff811776d6>] ? vfs_writev+0x46/0x60
2013-02-28 21:39:06  [<ffffffff81177801>] ? sys_writev+0x51/0xb0
2013-02-28 21:39:06  [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b