[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.371907][ T26] audit: type=1800 audit(1558221258.169:25): pid=8687 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.417047][ T26] audit: type=1800 audit(1558221258.169:26): pid=8687 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.451358][ T26] audit: type=1800 audit(1558221258.179:27): pid=8687 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts. 2019/05/18 23:14:30 parsed 1 programs 2019/05/18 23:14:32 executed programs: 0 syzkaller login: [ 74.428230][ T8855] IPVS: ftp: loaded support on port[0] = 21 [ 74.490956][ T8855] chnl_net:caif_netlink_parms(): no params data found [ 74.518457][ T8855] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.526057][ T8855] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.534297][ T8855] device bridge_slave_0 entered promiscuous mode [ 74.543666][ T8855] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.550878][ T8855] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.558558][ T8855] device bridge_slave_1 entered promiscuous mode [ 74.575023][ T8855] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 74.585315][ T8855] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 74.603898][ T8855] team0: Port device team_slave_0 added [ 74.611222][ T8855] team0: Port device team_slave_1 added [ 74.659263][ T8855] device hsr_slave_0 entered promiscuous mode [ 74.727231][ T8855] device hsr_slave_1 entered promiscuous mode [ 74.805488][ T8855] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.812845][ T8855] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.820728][ T8855] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.828100][ T8855] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.863352][ T8855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.875702][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.886515][ T2991] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.895405][ T2991] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.903683][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.915939][ T8855] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.926453][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.935195][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.942320][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.957319][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.965902][ T2991] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.973022][ T2991] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.984943][ T8857] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.995274][ T8857] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.009237][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.020945][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.032452][ T8855] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.045724][ T8855] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.056577][ T8857] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.075586][ T8855] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.205659][ T8857] ------------[ cut here ]------------ [ 75.211409][ T8857] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 75.218839][ T12] ------------[ cut here ]------------ [ 75.221355][ T8857] WARNING: CPU: 1 PID: 8857 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 75.226700][ T12] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 75.236128][ T8857] Kernel panic - not syncing: panic_on_warn set ... [ 75.246000][ T12] WARNING: CPU: 0 PID: 12 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 75.252317][ T8857] CPU: 1 PID: 8857 Comm: kworker/1:2 Not tainted 5.1.0+ #19 [ 75.262007][ T12] Modules linked in: [ 75.269296][ T8857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.273189][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0+ #19 [ 75.283237][ T8857] Workqueue: events sk_psock_destroy_deferred [ 75.290791][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.296835][ T8857] Call Trace: [ 75.306885][ T12] Workqueue: events sk_psock_destroy_deferred [ 75.310158][ T8857] dump_stack+0x172/0x1f0 [ 75.316195][ T12] RIP: 0010:debug_print_object+0x168/0x250 [ 75.316212][ T12] Code: dd 40 bb a4 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 40 bb a4 87 48 c7 c7 e0 b0 a4 87 e8 86 fb 0d fe <0f> 0b 83 05 1b c6 4b 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 75.320532][ T8857] ? debug_print_object+0x100/0x250 [ 75.326324][ T12] RSP: 0018:ffff8880a98cf970 EFLAGS: 00010086 [ 75.345937][ T8857] panic+0x2cb/0x715 [ 75.351194][ T12] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 75.357256][ T8857] ? __warn_printk+0xf3/0xf3 [ 75.361134][ T12] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed1015319f20 [ 75.379706][ T8857] ? debug_print_object+0x168/0x250 [ 75.384292][ T12] RBP: ffff8880a98cf9b0 R08: ffff8880a98c0300 R09: ffffed1015d040f1 [ 75.392252][ T8857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.397430][ T12] R10: ffffed1015d040f0 R11: ffff8880ae820787 R12: 0000000000000002 [ 75.405391][ T8857] ? __warn.cold+0x5/0x4c [ 75.411865][ T12] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff888092b23728 [ 75.420002][ T8857] ? __warn+0xe8/0x1d0 [ 75.424317][ T12] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 75.432286][ T8857] ? debug_print_object+0x168/0x250 [ 75.436345][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.445359][ T8857] __warn.cold+0x20/0x4c [ 75.450526][ T12] CR2: 00007f57c1f4a000 CR3: 0000000088a32000 CR4: 00000000001406f0 [ 75.457591][ T8857] ? vprintk_emit+0x1ea/0x700 [ 75.461807][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.469771][ T8857] ? debug_print_object+0x168/0x250 [ 75.474441][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.482406][ T8857] report_bug+0x263/0x2b0 [ 75.487577][ T12] Call Trace: [ 75.495544][ T8857] do_error_trap+0x11b/0x200 [ 75.499868][ T12] debug_object_assert_init+0x23a/0x2f0 [ 75.503133][ T8857] do_invalid_op+0x37/0x50 [ 75.507808][ T12] ? debug_object_destroy+0x250/0x250 [ 75.513332][ T8857] ? debug_print_object+0x168/0x250 [ 75.517749][ T12] del_timer+0x7c/0x120 [ 75.524143][ T8857] invalid_op+0x14/0x20 [ 75.529330][ T12] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 75.533467][ T8857] RIP: 0010:debug_print_object+0x168/0x250 [ 75.537604][ T12] ? __cancel_work_timer+0xc4/0x520 [ 75.543469][ T8857] Code: dd 40 bb a4 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 40 bb a4 87 48 c7 c7 e0 b0 a4 87 e8 86 fb 0d fe <0f> 0b 83 05 1b c6 4b 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 75.549256][ T12] ? trace_hardirqs_off+0x62/0x220 [ 75.554425][ T8857] RSP: 0018:ffff88808eabf970 EFLAGS: 00010086 [ 75.574051][ T12] try_to_grab_pending+0x37e/0x910 [ 75.579150][ T8857] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 75.585210][ T12] __cancel_work_timer+0xc4/0x520 [ 75.590302][ T8857] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed1011d57f20 [ 75.590315][ T8857] RBP: ffff88808eabf9b0 R08: ffff88809753c680 R09: ffffed1015d240f1 [ 75.598304][ T12] ? try_to_grab_pending+0x910/0x910 [ 75.603308][ T8857] R10: ffffed1015d240f0 R11: ffff8880ae920787 R12: 0000000000000001 [ 75.611289][ T12] ? trace_hardirqs_off+0x62/0x220 [ 75.619245][ T8857] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff8880926e69a8 [ 75.624516][ T12] ? process_one_work+0x890/0x1790 [ 75.632470][ T8857] ? calc_wheel_index+0x220/0x220 [ 75.637580][ T12] ? find_held_lock+0x35/0x130 [ 75.645558][ T8857] ? vprintk_func+0x86/0x189 [ 75.650647][ T12] ? process_one_work+0x890/0x1790 [ 75.655673][ T8857] debug_object_assert_init+0x23a/0x2f0 [ 75.660419][ T12] cancel_delayed_work_sync+0x1b/0x20 [ 75.665002][ T8857] ? debug_object_destroy+0x250/0x250 [ 75.670107][ T12] strp_done+0x5d/0xf0 [ 75.675649][ T8857] ? __lockdep_reset_lock+0x450/0x450 [ 75.681008][ T12] sk_psock_destroy_deferred+0x3a/0x6c0 [ 75.686362][ T8857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.690416][ T12] process_one_work+0x989/0x1790 [ 75.695855][ T8857] del_timer+0x7c/0x120 [ 75.701661][ T12] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.707882][ T8857] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 75.712820][ T12] ? lock_acquire+0x16f/0x3f0 [ 75.716955][ T8857] ? __cancel_work_timer+0xc4/0x520 [ 75.722311][ T12] worker_thread+0x98/0xe40 [ 75.728189][ T8857] ? trace_hardirqs_off+0x62/0x220 [ 75.732845][ T12] ? trace_hardirqs_on+0x67/0x220 [ 75.738028][ T8857] try_to_grab_pending+0x37e/0x910 [ 75.742513][ T12] kthread+0x354/0x420 [ 75.747643][ T8857] __cancel_work_timer+0xc4/0x520 [ 75.752665][ T12] ? process_one_work+0x1790/0x1790 [ 75.757768][ T8857] ? try_to_grab_pending+0x910/0x910 [ 75.761818][ T12] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 75.766846][ T8857] ? trace_hardirqs_off+0x62/0x220 [ 75.772025][ T12] ret_from_fork+0x24/0x30 [ 75.777296][ T8857] ? process_one_work+0x890/0x1790 [ 75.783519][ T12] irq event stamp: 591248 [ 75.788619][ T8857] ? find_held_lock+0x35/0x130 [ 75.793015][ T12] hardirqs last enabled at (591247): [] _raw_spin_unlock_irq+0x28/0x90 [ 75.798103][ T8857] ? process_one_work+0x890/0x1790 [ 75.802406][ T12] hardirqs last disabled at (591248): [] try_to_grab_pending+0xb8/0x910 [ 75.802425][ T12] softirqs last enabled at (591138): [] sock_hash_free+0x274/0x4a0 [ 75.807170][ T8857] cancel_delayed_work_sync+0x1b/0x20 [ 75.817029][ T12] softirqs last disabled at (591136): [] sock_hash_free+0x133/0x4a0 [ 75.817041][ T12] ---[ end trace c51d65e11123497a ]--- [ 75.822144][ T8857] strp_done+0x5d/0xf0 [ 75.865977][ T8857] sk_psock_destroy_deferred+0x3a/0x6c0 [ 75.871564][ T8857] process_one_work+0x989/0x1790 [ 75.876546][ T8857] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.881936][ T8857] ? lock_acquire+0x16f/0x3f0 [ 75.882182][ T12] WARNING: CPU: 0 PID: 12 at kernel/workqueue.c:3030 __flush_work+0x922/0xa70 [ 75.886627][ T8857] worker_thread+0x98/0xe40 [ 75.895451][ T12] Modules linked in: [ 75.899967][ T8857] ? trace_hardirqs_on+0x67/0x220 [ 75.903839][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G W 5.1.0+ #19 [ 75.908852][ T8857] kthread+0x354/0x420 [ 75.917321][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.921387][ T8857] ? process_one_work+0x1790/0x1790 [ 75.931435][ T12] Workqueue: events sk_psock_destroy_deferred [ 75.936617][ T8857] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 75.942665][ T12] RIP: 0010:__flush_work+0x922/0xa70 [ 75.948884][ T8857] ret_from_fork+0x24/0x30 [ 75.954147][ T12] Code: 5a 14 00 e8 a0 7b 26 00 48 c7 c2 3e 25 4a 81 be 01 00 00 00 48 c7 c7 c0 31 ba 88 e8 c8 39 0d 00 e9 05 fc ff ff e8 7e 7b 26 00 <0f> 0b 45 31 e4 e9 f6 fb ff ff e8 6f 7b 26 00 e8 ca 8a 14 00 31 ff [ 75.978148][ T12] RSP: 0018:ffff8880a98cfa18 EFLAGS: 00010293 [ 75.984206][ T12] RAX: ffff8880a98c0300 RBX: ffff888092b236e8 RCX: ffffffff814a1ceb [ 75.992178][ T12] RDX: 0000000000000000 RSI: ffffffff814a2572 RDI: 0000000000000001 [ 76.000143][ T12] RBP: ffff8880a98cfb88 R08: ffff8880a98c0300 R09: ffff8880a98c0bc8 [ 76.008104][ T12] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 76.016066][ T12] R13: ffff8880a98cfb60 R14: 0000000000000001 R15: 0000000000000001 [ 76.024134][ T12] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 76.033053][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.039641][ T12] CR2: 00007f57c1f4b000 CR3: 000000009abd7000 CR4: 00000000001406f0 [ 76.047607][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.055584][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.063656][ T12] Call Trace: [ 76.066950][ T12] ? retint_kernel+0x2b/0x2b [ 76.071542][ T12] ? wq_calc_node_cpumask+0x3a0/0x3a0 [ 76.076907][ T12] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 76.082452][ T12] ? retint_kernel+0x2b/0x2b [ 76.087050][ T12] ? __cancel_work_timer+0x20c/0x520 [ 76.092335][ T12] __cancel_work_timer+0x3bf/0x520 [ 76.097534][ T12] ? try_to_grab_pending+0x910/0x910 [ 76.102824][ T12] ? trace_hardirqs_off+0x62/0x220 [ 76.107925][ T12] ? process_one_work+0x890/0x1790 [ 76.113043][ T12] ? find_held_lock+0x35/0x130 [ 76.117802][ T12] ? process_one_work+0x890/0x1790 [ 76.122924][ T12] cancel_delayed_work_sync+0x1b/0x20 [ 76.128307][ T12] strp_done+0x5d/0xf0 [ 76.132650][ T12] sk_psock_destroy_deferred+0x3a/0x6c0 [ 76.138305][ T12] process_one_work+0x989/0x1790 [ 76.143250][ T12] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.148614][ T12] ? lock_acquire+0x16f/0x3f0 [ 76.153292][ T12] worker_thread+0x98/0xe40 [ 76.157789][ T12] ? trace_hardirqs_on+0x67/0x220 [ 76.162832][ T12] kthread+0x354/0x420 [ 76.166896][ T12] ? process_one_work+0x1790/0x1790 [ 76.172261][ T12] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 76.178504][ T12] ret_from_fork+0x24/0x30 [ 76.183101][ T12] irq event stamp: 591918 [ 76.187430][ T12] hardirqs last enabled at (591917): [] trace_hardirqs_on_thunk+0x1a/0x1c [ 76.197573][ T12] hardirqs last disabled at (591918): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 76.207802][ T12] softirqs last enabled at (591912): [] __do_softirq+0x654/0x94c [ 76.217172][ T12] softirqs last disabled at (591251): [] irq_exit+0x180/0x1d0 [ 76.226182][ T12] ---[ end trace c51d65e11123497b ]--- [ 76.233044][ T8857] Kernel Offset: disabled [ 76.237857][ T8857] Rebooting in 86400 seconds..