[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 58.064278][ T26] audit: type=1800 audit(1558211987.496:25): pid=8819 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.106078][ T26] audit: type=1800 audit(1558211987.506:26): pid=8819 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.131513][ T26] audit: type=1800 audit(1558211987.506:27): pid=8819 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.1.43' (ECDSA) to the list of known hosts. 2019/05/18 20:39:59 parsed 1 programs 2019/05/18 20:40:00 executed programs: 0 syzkaller login: [ 71.393924][ T8986] IPVS: ftp: loaded support on port[0] = 21 [ 71.458354][ T8986] chnl_net:caif_netlink_parms(): no params data found [ 71.486743][ T8986] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.494365][ T8986] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.503746][ T8986] device bridge_slave_0 entered promiscuous mode [ 71.512002][ T8986] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.519177][ T8986] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.526874][ T8986] device bridge_slave_1 entered promiscuous mode [ 71.543564][ T8986] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.553782][ T8986] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.571706][ T8986] team0: Port device team_slave_0 added [ 71.578968][ T8986] team0: Port device team_slave_1 added [ 71.648013][ T8986] device hsr_slave_0 entered promiscuous mode [ 71.696711][ T8986] device hsr_slave_1 entered promiscuous mode [ 71.773942][ T8986] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.781151][ T8986] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.788951][ T8986] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.796071][ T8986] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.831367][ T8986] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.842199][ T3557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.862529][ T3557] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.870709][ T3557] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.879887][ T3557] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.891240][ T8986] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.901906][ T3557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.910695][ T3557] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.917794][ T3557] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.929506][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.938285][ T2598] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.945320][ T2598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.969043][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.979156][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.987781][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.995989][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.004280][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.015821][ T8986] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.032963][ T8986] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.157751][ T2598] ------------[ cut here ]------------ [ 72.163303][ T2598] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 72.173293][ T2598] WARNING: CPU: 0 PID: 2598 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 72.183188][ T2598] Kernel panic - not syncing: panic_on_warn set ... [ 72.189777][ T2598] CPU: 0 PID: 2598 Comm: kworker/0:2 Not tainted 5.1.0+ #19 [ 72.197056][ T2598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.207124][ T2598] Workqueue: events sk_psock_destroy_deferred [ 72.214313][ T2598] Call Trace: [ 72.217615][ T2598] dump_stack+0x172/0x1f0 [ 72.221951][ T2598] ? debug_print_object+0x100/0x250 [ 72.227171][ T2598] panic+0x2cb/0x715 [ 72.231084][ T2598] ? __warn_printk+0xf3/0xf3 [ 72.235695][ T2598] ? debug_print_object+0x168/0x250 [ 72.240897][ T2598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.247141][ T2598] ? __warn.cold+0x5/0x4c [ 72.251467][ T2598] ? __warn+0xe8/0x1d0 [ 72.255538][ T2598] ? debug_print_object+0x168/0x250 [ 72.260736][ T2598] __warn.cold+0x20/0x4c [ 72.264982][ T2598] ? vprintk_emit+0x1ea/0x700 [ 72.269672][ T2598] ? debug_print_object+0x168/0x250 [ 72.274895][ T2598] report_bug+0x263/0x2b0 [ 72.279231][ T2598] do_error_trap+0x11b/0x200 [ 72.283825][ T2598] do_invalid_op+0x37/0x50 [ 72.288239][ T2598] ? debug_print_object+0x168/0x250 [ 72.293440][ T2598] invalid_op+0x14/0x20 [ 72.297597][ T2598] RIP: 0010:debug_print_object+0x168/0x250 [ 72.304013][ T2598] 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 [ 72.323740][ T2598] RSP: 0018:ffff8880a1577970 EFLAGS: 00010086 [ 72.329818][ T2598] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 72.337830][ T2598] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed10142aef20 [ 72.345815][ T2598] RBP: ffff8880a15779b0 R08: ffff8880a1590480 R09: ffffed1015d040f1 [ 72.353795][ T2598] R10: ffffed1015d040f0 R11: ffff8880ae820787 R12: 0000000000000001 [ 72.361771][ T2598] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff8880a0e8c528 [ 72.369775][ T2598] ? calc_wheel_index+0x220/0x220 [ 72.374817][ T2598] ? vprintk_func+0x86/0x189 [ 72.379423][ T2598] debug_object_assert_init+0x23a/0x2f0 [ 72.384978][ T2598] ? debug_object_destroy+0x250/0x250 [ 72.390376][ T2598] ? __lockdep_reset_lock+0x450/0x450 [ 72.395755][ T2598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.402008][ T2598] del_timer+0x7c/0x120 [ 72.406171][ T2598] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 72.412073][ T2598] ? __cancel_work_timer+0xc4/0x520 [ 72.417291][ T2598] ? trace_hardirqs_off+0x62/0x220 [ 72.422407][ T2598] try_to_grab_pending+0x37e/0x910 [ 72.427526][ T2598] __cancel_work_timer+0xc4/0x520 [ 72.432551][ T2598] ? try_to_grab_pending+0x910/0x910 [ 72.437837][ T2598] ? trace_hardirqs_off+0x62/0x220 [ 72.442968][ T2598] ? process_one_work+0x890/0x1790 [ 72.448090][ T2598] ? find_held_lock+0x35/0x130 [ 72.452855][ T2598] ? process_one_work+0x890/0x1790 [ 72.457973][ T2598] cancel_delayed_work_sync+0x1b/0x20 [ 72.463361][ T2598] strp_done+0x5d/0xf0 [ 72.467435][ T2598] sk_psock_destroy_deferred+0x3a/0x6c0 [ 72.472989][ T2598] process_one_work+0x989/0x1790 [ 72.477943][ T2598] ? pwq_dec_nr_in_flight+0x320/0x320 [ 72.483313][ T2598] ? lock_acquire+0x16f/0x3f0 [ 72.488008][ T2598] worker_thread+0x98/0xe40 [ 72.492516][ T2598] ? trace_hardirqs_on+0x67/0x220 [ 72.497552][ T2598] kthread+0x354/0x420 [ 72.501620][ T2598] ? process_one_work+0x1790/0x1790 [ 72.506814][ T2598] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 72.513060][ T2598] ret_from_fork+0x24/0x30 [ 72.518705][ T2598] Kernel Offset: disabled [ 72.523089][ T2598] Rebooting in 86400 seconds..