[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.186349][ T26] audit: type=1800 audit(1558208918.176:25): pid=8727 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.229000][ T26] audit: type=1800 audit(1558208918.186:26): pid=8727 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.275871][ T26] audit: type=1800 audit(1558208918.186:27): pid=8727 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 '10.128.0.172' (ECDSA) to the list of known hosts. 2019/05/18 19:48:50 parsed 1 programs 2019/05/18 19:48:52 executed programs: 0 syzkaller login: [ 74.589175][ T8896] IPVS: ftp: loaded support on port[0] = 21 [ 74.661005][ T8896] chnl_net:caif_netlink_parms(): no params data found [ 74.688346][ T8896] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.696455][ T8896] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.704335][ T8896] device bridge_slave_0 entered promiscuous mode [ 74.712936][ T8896] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.720130][ T8896] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.727966][ T8896] device bridge_slave_1 entered promiscuous mode [ 74.746360][ T8896] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 74.757001][ T8896] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 74.775662][ T8896] team0: Port device team_slave_0 added [ 74.782945][ T8896] team0: Port device team_slave_1 added [ 74.841302][ T8896] device hsr_slave_0 entered promiscuous mode [ 74.879190][ T8896] device hsr_slave_1 entered promiscuous mode [ 74.927675][ T8896] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.934895][ T8896] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.942793][ T8896] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.950359][ T8896] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.985763][ T8896] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.998369][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.020079][ T2991] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.028337][ T2991] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.037375][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.049354][ T8896] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.060585][ T3487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.069490][ T3487] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.076584][ T3487] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.101949][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.111034][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.118078][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.126601][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.137981][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.146764][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.155342][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.164296][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.174055][ T8896] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.192924][ T8896] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.309086][ T3487] ------------[ cut here ]------------ [ 75.314867][ T3487] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 75.324840][ T3487] WARNING: CPU: 1 PID: 3487 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 75.334315][ T3487] Kernel panic - not syncing: panic_on_warn set ... [ 75.340957][ T3487] CPU: 1 PID: 3487 Comm: kworker/1:2 Not tainted 5.1.0+ #19 [ 75.348249][ T3487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.358334][ T3487] Workqueue: events sk_psock_destroy_deferred [ 75.364436][ T3487] Call Trace: [ 75.367753][ T3487] dump_stack+0x172/0x1f0 [ 75.372110][ T3487] ? debug_print_object+0x100/0x250 [ 75.377326][ T3487] panic+0x2cb/0x715 [ 75.381237][ T3487] ? __warn_printk+0xf3/0xf3 [ 75.385847][ T3487] ? debug_print_object+0x168/0x250 [ 75.391060][ T3487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.397317][ T3487] ? __warn.cold+0x5/0x4c [ 75.401668][ T3487] ? __warn+0xe8/0x1d0 [ 75.405936][ T3487] ? debug_print_object+0x168/0x250 [ 75.411239][ T3487] __warn.cold+0x20/0x4c [ 75.415502][ T3487] ? vprintk_emit+0x1ea/0x700 [ 75.420196][ T3487] ? debug_print_object+0x168/0x250 [ 75.425442][ T3487] report_bug+0x263/0x2b0 [ 75.429795][ T3487] do_error_trap+0x11b/0x200 [ 75.434441][ T3487] do_invalid_op+0x37/0x50 [ 75.438873][ T3487] ? debug_print_object+0x168/0x250 [ 75.444089][ T3487] invalid_op+0x14/0x20 [ 75.448260][ T3487] RIP: 0010:debug_print_object+0x168/0x250 [ 75.454078][ T3487] 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 [ 75.473696][ T3487] RSP: 0018:ffff88809b7e7970 EFLAGS: 00010086 [ 75.479870][ T3487] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 75.487967][ T3487] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed10136fcf20 [ 75.495957][ T3487] RBP: ffff88809b7e79b0 R08: ffff88809b006200 R09: ffffed1015d240f1 [ 75.503948][ T3487] R10: ffffed1015d240f0 R11: ffff8880ae920787 R12: 0000000000000001 [ 75.511941][ T3487] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff88809e0fc0a8 [ 75.520021][ T3487] ? calc_wheel_index+0x220/0x220 [ 75.525176][ T3487] ? vprintk_func+0x86/0x189 [ 75.529887][ T3487] debug_object_assert_init+0x23a/0x2f0 [ 75.535481][ T3487] ? debug_object_destroy+0x250/0x250 [ 75.540875][ T3487] ? __lockdep_reset_lock+0x450/0x450 [ 75.546270][ T3487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.552534][ T3487] del_timer+0x7c/0x120 [ 75.556819][ T3487] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 75.562730][ T3487] ? __cancel_work_timer+0xc4/0x520 [ 75.567948][ T3487] ? trace_hardirqs_off+0x62/0x220 [ 75.573168][ T3487] try_to_grab_pending+0x37e/0x910 [ 75.578385][ T3487] __cancel_work_timer+0xc4/0x520 [ 75.583546][ T3487] ? try_to_grab_pending+0x910/0x910 [ 75.588847][ T3487] ? trace_hardirqs_off+0x62/0x220 [ 75.594057][ T3487] ? process_one_work+0x890/0x1790 [ 75.599179][ T3487] ? find_held_lock+0x35/0x130 [ 75.603955][ T3487] ? process_one_work+0x890/0x1790 [ 75.609087][ T3487] cancel_delayed_work_sync+0x1b/0x20 [ 75.614485][ T3487] strp_done+0x5d/0xf0 [ 75.618592][ T3487] sk_psock_destroy_deferred+0x3a/0x6c0 [ 75.624737][ T3487] process_one_work+0x989/0x1790 [ 75.629697][ T3487] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.635076][ T3487] ? lock_acquire+0x16f/0x3f0 [ 75.639773][ T3487] worker_thread+0x98/0xe40 [ 75.644289][ T3487] ? trace_hardirqs_on+0x67/0x220 [ 75.649452][ T3487] kthread+0x354/0x420 [ 75.653535][ T3487] ? process_one_work+0x1790/0x1790 [ 75.658742][ T3487] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 75.664995][ T3487] ret_from_fork+0x24/0x30 [ 75.670972][ T3487] Kernel Offset: disabled [ 75.675672][ T3487] Rebooting in 86400 seconds..