[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 59.955253][ T26] audit: type=1800 audit(1558210298.807:25): pid=8820 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 59.996543][ T26] audit: type=1800 audit(1558210298.817:26): pid=8820 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.052301][ T26] audit: type=1800 audit(1558210298.817:27): pid=8820 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 '10.128.0.176' (ECDSA) to the list of known hosts. 2019/05/18 20:12:07 parsed 1 programs 2019/05/18 20:12:09 executed programs: 0 syzkaller login: [ 90.822693][ T8986] IPVS: ftp: loaded support on port[0] = 21 [ 90.885660][ T8986] chnl_net:caif_netlink_parms(): no params data found [ 90.911463][ T8986] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.918854][ T8986] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.926744][ T8986] device bridge_slave_0 entered promiscuous mode [ 90.934685][ T8986] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.942059][ T8986] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.949724][ T8986] device bridge_slave_1 entered promiscuous mode [ 90.966258][ T8986] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 90.977518][ T8986] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 90.994543][ T8986] team0: Port device team_slave_0 added [ 91.002034][ T8986] team0: Port device team_slave_1 added [ 91.048911][ T8986] device hsr_slave_0 entered promiscuous mode [ 91.097063][ T8986] device hsr_slave_1 entered promiscuous mode [ 91.144344][ T8986] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.151549][ T8986] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.159345][ T8986] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.166403][ T8986] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.199522][ T8986] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.213252][ T3753] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.233788][ T3753] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.241997][ T3753] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.251185][ T3753] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 91.262515][ T8986] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.273149][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.281797][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.288894][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.307854][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.316216][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.323351][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.332478][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.343352][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.351327][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.363271][ T3753] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.375471][ T8986] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 91.389080][ T8986] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 91.397698][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 91.415136][ T8986] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.528530][ T8990] ------------[ cut here ]------------ [ 91.534135][ T8990] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 91.544091][ T8990] WARNING: CPU: 0 PID: 8990 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 91.553545][ T8990] Kernel panic - not syncing: panic_on_warn set ... [ 91.560139][ T8990] CPU: 0 PID: 8990 Comm: kworker/0:3 Not tainted 5.1.0+ #19 [ 91.567417][ T8990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.577486][ T8990] Workqueue: events sk_psock_destroy_deferred [ 91.583543][ T8990] Call Trace: [ 91.586828][ T8990] dump_stack+0x172/0x1f0 [ 91.591155][ T8990] ? debug_print_object+0x100/0x250 [ 91.596379][ T8990] panic+0x2cb/0x715 [ 91.600270][ T8990] ? __warn_printk+0xf3/0xf3 [ 91.604863][ T8990] ? debug_print_object+0x168/0x250 [ 91.610057][ T8990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.616292][ T8990] ? __warn.cold+0x5/0x4c [ 91.620615][ T8990] ? __warn+0xe8/0x1d0 [ 91.624682][ T8990] ? debug_print_object+0x168/0x250 [ 91.629876][ T8990] __warn.cold+0x20/0x4c [ 91.634116][ T8990] ? vprintk_emit+0x1ea/0x700 [ 91.638787][ T8990] ? debug_print_object+0x168/0x250 [ 91.643986][ T8990] report_bug+0x263/0x2b0 [ 91.648316][ T8990] do_error_trap+0x11b/0x200 [ 91.652906][ T8990] do_invalid_op+0x37/0x50 [ 91.657317][ T8990] ? debug_print_object+0x168/0x250 [ 91.662535][ T8990] invalid_op+0x14/0x20 [ 91.666686][ T8990] RIP: 0010:debug_print_object+0x168/0x250 [ 91.672487][ T8990] 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 [ 91.692089][ T8990] RSP: 0018:ffff8880a4ff7970 EFLAGS: 00010086 [ 91.698174][ T8990] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 91.706141][ T8990] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed10149fef20 [ 91.714105][ T8990] RBP: ffff8880a4ff79b0 R08: ffff8880a7bd80c0 R09: ffffed1015d040f1 [ 91.722068][ T8990] R10: ffffed1015d040f0 R11: ffff8880ae820787 R12: 0000000000000001 [ 91.730117][ T8990] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff88809f5e72e8 [ 91.738093][ T8990] ? calc_wheel_index+0x220/0x220 [ 91.743118][ T8990] ? vprintk_func+0x86/0x189 [ 91.747808][ T8990] debug_object_assert_init+0x23a/0x2f0 [ 91.753358][ T8990] ? debug_object_destroy+0x250/0x250 [ 91.758730][ T8990] ? __lockdep_reset_lock+0x450/0x450 [ 91.764099][ T8990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.770337][ T8990] del_timer+0x7c/0x120 [ 91.774495][ T8990] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 91.780389][ T8990] ? __cancel_work_timer+0xc4/0x520 [ 91.785583][ T8990] ? trace_hardirqs_off+0x62/0x220 [ 91.792260][ T8990] try_to_grab_pending+0x37e/0x910 [ 91.797373][ T8990] __cancel_work_timer+0xc4/0x520 [ 91.802393][ T8990] ? try_to_grab_pending+0x910/0x910 [ 91.807673][ T8990] ? trace_hardirqs_off+0x62/0x220 [ 91.812781][ T8990] ? process_one_work+0x890/0x1790 [ 91.817909][ T8990] ? find_held_lock+0x35/0x130 [ 91.822667][ T8990] ? process_one_work+0x890/0x1790 [ 91.827788][ T8990] cancel_delayed_work_sync+0x1b/0x20 [ 91.833157][ T8990] strp_done+0x5d/0xf0 [ 91.837243][ T8990] sk_psock_destroy_deferred+0x3a/0x6c0 [ 91.842796][ T8990] process_one_work+0x989/0x1790 [ 91.847761][ T8990] ? pwq_dec_nr_in_flight+0x320/0x320 [ 91.853130][ T8990] ? lock_acquire+0x16f/0x3f0 [ 91.857817][ T8990] worker_thread+0x98/0xe40 [ 91.862316][ T8990] ? trace_hardirqs_on+0x67/0x220 [ 91.867353][ T8990] kthread+0x354/0x420 [ 91.871419][ T8990] ? process_one_work+0x1790/0x1790 [ 91.876610][ T8990] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 91.882851][ T8990] ret_from_fork+0x24/0x30 [ 91.888473][ T8990] Kernel Offset: disabled [ 91.892847][ T8990] Rebooting in 86400 seconds..