[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.231124][ T26] audit: type=1800 audit(1558221243.261:25): pid=8681 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.269363][ T26] audit: type=1800 audit(1558221243.261:26): pid=8681 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.315536][ T26] audit: type=1800 audit(1558221243.261:27): pid=8681 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 '10.128.0.194' (ECDSA) to the list of known hosts. 2019/05/18 23:14:37 parsed 1 programs 2019/05/18 23:14:39 executed programs: 0 syzkaller login: [ 93.573807][ T8849] IPVS: ftp: loaded support on port[0] = 21 [ 93.637314][ T8849] chnl_net:caif_netlink_parms(): no params data found [ 93.665614][ T8849] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.673363][ T8849] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.681644][ T8849] device bridge_slave_0 entered promiscuous mode [ 93.689888][ T8849] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.696972][ T8849] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.704808][ T8849] device bridge_slave_1 entered promiscuous mode [ 93.721087][ T8849] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 93.730766][ T8849] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 93.750164][ T8849] team0: Port device team_slave_0 added [ 93.756922][ T8849] team0: Port device team_slave_1 added [ 93.811438][ T8849] device hsr_slave_0 entered promiscuous mode [ 93.849503][ T8849] device hsr_slave_1 entered promiscuous mode [ 93.896951][ T8849] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.904158][ T8849] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.911863][ T8849] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.918913][ T8849] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.954495][ T8849] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.965693][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.985816][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.993950][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.003315][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 94.014923][ T8849] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.025165][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.033845][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.041095][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.060352][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.068878][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.075986][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.085208][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.093836][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.103110][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.113216][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.125954][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.135151][ T8849] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.154037][ T8849] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.271385][ T22] ------------[ cut here ]------------ [ 94.277048][ T22] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 94.286977][ T22] WARNING: CPU: 1 PID: 22 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 94.296348][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 94.303487][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.1.0+ #19 [ 94.310582][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.320738][ T22] Workqueue: events sk_psock_destroy_deferred [ 94.326788][ T22] Call Trace: [ 94.330070][ T22] dump_stack+0x172/0x1f0 [ 94.334544][ T22] ? debug_print_object+0x100/0x250 [ 94.339735][ T22] panic+0x2cb/0x715 [ 94.343622][ T22] ? __warn_printk+0xf3/0xf3 [ 94.348201][ T22] ? debug_print_object+0x168/0x250 [ 94.353387][ T22] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.359612][ T22] ? __warn.cold+0x5/0x4c [ 94.364029][ T22] ? __warn+0xe8/0x1d0 [ 94.368139][ T22] ? debug_print_object+0x168/0x250 [ 94.373325][ T22] __warn.cold+0x20/0x4c [ 94.377558][ T22] ? vprintk_emit+0x1ea/0x700 [ 94.382227][ T22] ? debug_print_object+0x168/0x250 [ 94.387411][ T22] report_bug+0x263/0x2b0 [ 94.391722][ T22] do_error_trap+0x11b/0x200 [ 94.396295][ T22] do_invalid_op+0x37/0x50 [ 94.400703][ T22] ? debug_print_object+0x168/0x250 [ 94.405884][ T22] invalid_op+0x14/0x20 [ 94.410030][ T22] RIP: 0010:debug_print_object+0x168/0x250 [ 94.415815][ T22] 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 [ 94.435413][ T22] RSP: 0018:ffff8880a9a47970 EFLAGS: 00010086 [ 94.441472][ T22] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 94.449436][ T22] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed1015348f20 [ 94.457396][ T22] RBP: ffff8880a9a479b0 R08: ffff8880a9a385c0 R09: ffffed1015d240f1 [ 94.465469][ T22] R10: ffffed1015d240f0 R11: ffff8880ae920787 R12: 0000000000000001 [ 94.473431][ T22] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff88808ae24568 [ 94.481405][ T22] ? calc_wheel_index+0x220/0x220 [ 94.486466][ T22] ? vprintk_func+0x86/0x189 [ 94.491059][ T22] debug_object_assert_init+0x23a/0x2f0 [ 94.496597][ T22] ? debug_object_destroy+0x250/0x250 [ 94.501952][ T22] ? __lockdep_reset_lock+0x450/0x450 [ 94.507316][ T22] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.513542][ T22] del_timer+0x7c/0x120 [ 94.517950][ T22] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 94.523880][ T22] ? __cancel_work_timer+0xc4/0x520 [ 94.529084][ T22] ? trace_hardirqs_off+0x62/0x220 [ 94.534186][ T22] try_to_grab_pending+0x37e/0x910 [ 94.539329][ T22] __cancel_work_timer+0xc4/0x520 [ 94.544371][ T22] ? try_to_grab_pending+0x910/0x910 [ 94.549706][ T22] ? trace_hardirqs_off+0x62/0x220 [ 94.554809][ T22] ? process_one_work+0x890/0x1790 [ 94.559908][ T22] ? find_held_lock+0x35/0x130 [ 94.564674][ T22] ? process_one_work+0x890/0x1790 [ 94.569894][ T22] cancel_delayed_work_sync+0x1b/0x20 [ 94.575256][ T22] strp_done+0x5d/0xf0 [ 94.579402][ T22] sk_psock_destroy_deferred+0x3a/0x6c0 [ 94.584939][ T22] process_one_work+0x989/0x1790 [ 94.589878][ T22] ? pwq_dec_nr_in_flight+0x320/0x320 [ 94.595236][ T22] ? lock_acquire+0x16f/0x3f0 [ 94.600027][ T22] worker_thread+0x98/0xe40 [ 94.604606][ T22] ? trace_hardirqs_on+0x67/0x220 [ 94.609624][ T22] kthread+0x354/0x420 [ 94.613676][ T22] ? process_one_work+0x1790/0x1790 [ 94.618959][ T22] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 94.625184][ T22] ret_from_fork+0x24/0x30 [ 94.630871][ T22] Kernel Offset: disabled [ 94.635422][ T22] Rebooting in 86400 seconds..