[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.524455][ T26] audit: type=1800 audit(1558213354.956:25): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.562660][ T26] audit: type=1800 audit(1558213354.956:26): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.605240][ T26] audit: type=1800 audit(1558213354.956:27): pid=8394 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 '10.128.0.197' (ECDSA) to the list of known hosts. 2019/05/18 21:02:47 parsed 1 programs 2019/05/18 21:02:49 executed programs: 0 syzkaller login: [ 67.908012][ T8564] IPVS: ftp: loaded support on port[0] = 21 [ 67.972189][ T8564] chnl_net:caif_netlink_parms(): no params data found [ 67.998518][ T8564] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.007735][ T8564] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.017954][ T8564] device bridge_slave_0 entered promiscuous mode [ 68.026904][ T8564] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.034420][ T8564] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.042151][ T8564] device bridge_slave_1 entered promiscuous mode [ 68.059665][ T8564] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.069851][ T8564] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.089944][ T8564] team0: Port device team_slave_0 added [ 68.097976][ T8564] team0: Port device team_slave_1 added [ 68.164733][ T8564] device hsr_slave_0 entered promiscuous mode [ 68.223562][ T8564] device hsr_slave_1 entered promiscuous mode [ 68.280905][ T8564] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.288482][ T8564] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.296460][ T8564] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.303768][ T8564] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.338212][ T8564] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.352296][ T8566] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.363904][ T8566] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.372339][ T8566] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.381448][ T8566] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.394899][ T8564] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.405641][ T3487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.414575][ T3487] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.421637][ T3487] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.444542][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.453881][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.461079][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.469594][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.479361][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.488527][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.498876][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.506890][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.517046][ T8564] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.535536][ T8564] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.663165][ T17] ------------[ cut here ]------------ [ 68.668934][ T17] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 68.669237][ T17] WARNING: CPU: 1 PID: 17 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 68.687929][ T17] Kernel panic - not syncing: panic_on_warn set ... [ 68.694532][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.1.0+ #10 [ 68.701854][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.712209][ T17] Workqueue: events sk_psock_destroy_deferred [ 68.718366][ T17] Call Trace: [ 68.721673][ T17] dump_stack+0x172/0x1f0 [ 68.725990][ T17] ? debug_print_object+0x140/0x250 [ 68.731260][ T17] panic+0x2cb/0x646 [ 68.735162][ T17] ? __warn_printk+0xf3/0xf3 [ 68.739971][ T17] ? debug_print_object+0x168/0x250 [ 68.745176][ T17] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.751499][ T17] ? __warn.cold+0x5/0x4b [ 68.755820][ T17] ? __warn+0xe8/0x1d0 [ 68.759889][ T17] ? debug_print_object+0x168/0x250 [ 68.765078][ T17] __warn.cold+0x20/0x4b [ 68.769326][ T17] ? vprintk_emit+0x1ce/0x6d0 [ 68.773986][ T17] ? debug_print_object+0x168/0x250 [ 68.779258][ T17] report_bug+0x263/0x2b0 [ 68.783573][ T17] do_error_trap+0x11b/0x200 [ 68.788148][ T17] do_invalid_op+0x37/0x50 [ 68.792560][ T17] ? debug_print_object+0x168/0x250 [ 68.797753][ T17] invalid_op+0x14/0x20 [ 68.801892][ T17] RIP: 0010:debug_print_object+0x168/0x250 [ 68.807681][ T17] Code: dd 00 ae a4 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 00 ae a4 87 48 c7 c7 a0 a3 a4 87 e8 86 7d 0e fe <0f> 0b 83 05 db 12 4c 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 68.827353][ T17] RSP: 0018:ffff8880a9917970 EFLAGS: 00010086 [ 68.833490][ T17] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 68.841459][ T17] RDX: 0000000000000000 RSI: ffffffff815ab116 RDI: ffffed1015322f20 [ 68.849426][ T17] RBP: ffff8880a99179b0 R08: ffff8880a9902480 R09: ffffed1015d240f1 [ 68.857467][ T17] R10: ffffed1015d240f0 R11: ffff8880ae920787 R12: 0000000000000001 [ 68.865421][ T17] R13: ffffffff88bac7e0 R14: ffffffff81601c10 R15: ffff88808b89dba8 [ 68.873425][ T17] ? calc_wheel_index+0x220/0x220 [ 68.878459][ T17] ? vprintk_func+0x86/0x189 [ 68.883058][ T17] debug_object_assert_init+0x23a/0x2f0 [ 68.888586][ T17] ? debug_object_destroy+0x250/0x250 [ 68.893950][ T17] ? __lockdep_reset_lock+0x450/0x450 [ 68.899312][ T17] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 68.905538][ T17] del_timer+0x7c/0x120 [ 68.909712][ T17] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 68.915625][ T17] ? __cancel_work_timer+0xc4/0x520 [ 68.920808][ T17] ? trace_hardirqs_off+0x62/0x220 [ 68.925992][ T17] try_to_grab_pending+0x37e/0x910 [ 68.931090][ T17] __cancel_work_timer+0xc4/0x520 [ 68.936122][ T17] ? try_to_grab_pending+0x910/0x910 [ 68.941392][ T17] ? trace_hardirqs_off+0x62/0x220 [ 68.946486][ T17] ? process_one_work+0x890/0x1790 [ 68.951596][ T17] ? find_held_lock+0x35/0x130 [ 68.956344][ T17] ? process_one_work+0x890/0x1790 [ 68.961655][ T17] cancel_delayed_work_sync+0x1b/0x20 [ 68.967013][ T17] strp_done+0x5d/0xf0 [ 68.971086][ T17] sk_psock_destroy_deferred+0x3a/0x6c0 [ 68.976705][ T17] process_one_work+0x989/0x1790 [ 68.981650][ T17] ? pwq_dec_nr_in_flight+0x320/0x320 [ 68.987002][ T17] ? lock_acquire+0x16f/0x3f0 [ 68.991671][ T17] worker_thread+0x98/0xe40 [ 68.996257][ T17] kthread+0x354/0x420 [ 69.000322][ T17] ? process_one_work+0x1790/0x1790 [ 69.005503][ T17] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 69.011735][ T17] ret_from_fork+0x24/0x30 [ 69.018195][ T17] Kernel Offset: disabled [ 69.022822][ T17] Rebooting in 86400 seconds..