[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 67.032285][ T24] audit: type=1800 audit(1558213466.378:25): pid=8941 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 67.075376][ T24] audit: type=1800 audit(1558213466.388:26): pid=8941 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 67.118468][ T24] audit: type=1800 audit(1558213466.388:27): pid=8941 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 '10.128.0.178' (ECDSA) to the list of known hosts. 2019/05/18 21:04:37 parsed 1 programs 2019/05/18 21:04:39 executed programs: 0 syzkaller login: [ 79.955990][ T9107] IPVS: ftp: loaded support on port[0] = 21 [ 80.022676][ T9107] chnl_net:caif_netlink_parms(): no params data found [ 80.052233][ T9107] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.060110][ T9107] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.068203][ T9107] device bridge_slave_0 entered promiscuous mode [ 80.077239][ T9107] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.084670][ T9107] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.092667][ T9107] device bridge_slave_1 entered promiscuous mode [ 80.110921][ T9107] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 80.120997][ T9107] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 80.140518][ T9107] team0: Port device team_slave_0 added [ 80.148508][ T9107] team0: Port device team_slave_1 added [ 80.227223][ T9107] device hsr_slave_0 entered promiscuous mode [ 80.295750][ T9107] device hsr_slave_1 entered promiscuous mode [ 80.343412][ T9107] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.350675][ T9107] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.358586][ T9107] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.365861][ T9107] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.402141][ T9107] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.413591][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.434042][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.442361][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.451744][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 80.463816][ T9107] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.474489][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.483418][ T2830] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.490561][ T2830] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.516683][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.525119][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.532303][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.540517][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.549204][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.557748][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.569988][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.579788][ T9107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.588464][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.608503][ T9107] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.728381][ T9109] ------------[ cut here ]------------ [ 80.734050][ T9109] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 80.736841][ T2830] ------------[ cut here ]------------ [ 80.744018][ T9109] WARNING: CPU: 1 PID: 9109 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 80.749184][ T2830] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 80.758678][ T9109] Kernel panic - not syncing: panic_on_warn set ... [ 80.768599][ T2830] WARNING: CPU: 0 PID: 2830 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 80.774900][ T9109] CPU: 1 PID: 9109 Comm: kworker/1:3 Not tainted 5.1.0+ #19 [ 80.784351][ T2830] Modules linked in: [ 80.791742][ T9109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.795661][ T2830] CPU: 0 PID: 2830 Comm: kworker/0:2 Not tainted 5.1.0+ #19 [ 80.805746][ T9109] Workqueue: events sk_psock_destroy_deferred [ 80.813122][ T2830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.819185][ T9109] Call Trace: [ 80.829270][ T2830] Workqueue: events sk_psock_destroy_deferred [ 80.832576][ T9109] dump_stack+0x172/0x1f0 [ 80.838639][ T2830] RIP: 0010:debug_print_object+0x168/0x250 [ 80.842967][ T9109] ? debug_print_object+0x100/0x250 [ 80.848766][ T2830] 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 [ 80.853961][ T9109] panic+0x2cb/0x715 [ 80.873573][ T2830] RSP: 0018:ffff88809fc67970 EFLAGS: 00010086 [ 80.877480][ T9109] ? __warn_printk+0xf3/0xf3 [ 80.883562][ T2830] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 80.888171][ T9109] ? debug_print_object+0x168/0x250 [ 80.896144][ T2830] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed1013f8cf20 [ 80.901356][ T9109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.909333][ T2830] RBP: ffff88809fc679b0 R08: ffff88809fcd8480 R09: ffffed1015d040f1 [ 80.915593][ T9109] ? __warn.cold+0x5/0x4c [ 80.923570][ T2830] R10: ffffed1015d040f0 R11: ffff8880ae820787 R12: 0000000000000002 [ 80.927924][ T9109] ? __warn+0xe8/0x1d0 [ 80.935900][ T2830] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff888090c592a8 [ 80.939980][ T9109] ? debug_print_object+0x168/0x250 [ 80.947945][ T2830] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.953161][ T9109] __warn.cold+0x20/0x4c [ 80.962096][ T2830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.966353][ T9109] ? vprintk_emit+0x1ea/0x700 [ 80.972938][ T2830] CR2: 00007f38cef01ea0 CR3: 000000009f7c3000 CR4: 00000000001406f0 [ 80.977631][ T9109] ? debug_print_object+0x168/0x250 [ 80.985956][ T2830] Call Trace: [ 80.991352][ T9109] report_bug+0x263/0x2b0 [ 80.994645][ T2830] debug_object_assert_init+0x23a/0x2f0 [ 80.998977][ T9109] do_error_trap+0x11b/0x200 [ 81.004532][ T2830] ? debug_object_destroy+0x250/0x250 [ 81.009470][ T9109] do_invalid_op+0x37/0x50 [ 81.014852][ T2830] del_timer+0x7c/0x120 [ 81.019270][ T9109] ? debug_print_object+0x168/0x250 [ 81.023430][ T2830] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 81.028636][ T9109] invalid_op+0x14/0x20 [ 81.034541][ T2830] ? __cancel_work_timer+0xc4/0x520 [ 81.038706][ T9109] RIP: 0010:debug_print_object+0x168/0x250 [ 81.043998][ T2830] ? trace_hardirqs_off+0x62/0x220 [ 81.049813][ T9109] 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 [ 81.054956][ T2830] try_to_grab_pending+0x37e/0x910 [ 81.074591][ T9109] RSP: 0018:ffff888092107970 EFLAGS: 00010086 [ 81.079733][ T2830] __cancel_work_timer+0xc4/0x520 [ 81.085810][ T9109] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 81.090855][ T2830] ? try_to_grab_pending+0x910/0x910 [ 81.098916][ T9109] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed1012420f20 [ 81.104229][ T2830] ? trace_hardirqs_off+0x62/0x220 [ 81.112203][ T9109] RBP: ffff8880921079b0 R08: ffff888092c88380 R09: ffffed1015d240f1 [ 81.117337][ T2830] ? process_one_work+0x890/0x1790 [ 81.125313][ T9109] R10: ffffed1015d240f0 R11: ffff8880ae920787 R12: 0000000000000001 [ 81.130624][ T2830] ? find_held_lock+0x35/0x130 [ 81.138602][ T9109] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff8880a7c2c528 [ 81.143387][ T2830] ? process_one_work+0x890/0x1790 [ 81.151365][ T9109] ? calc_wheel_index+0x220/0x220 [ 81.156490][ T2830] cancel_delayed_work_sync+0x1b/0x20 [ 81.161511][ T9109] ? vprintk_func+0x86/0x189 [ 81.166882][ T2830] strp_done+0x5d/0xf0 [ 81.171478][ T9109] debug_object_assert_init+0x23a/0x2f0 [ 81.175549][ T2830] sk_psock_destroy_deferred+0x3a/0x6c0 [ 81.181200][ T9109] ? debug_object_destroy+0x250/0x250 [ 81.186776][ T2830] process_one_work+0x989/0x1790 [ 81.192149][ T9109] ? __lockdep_reset_lock+0x450/0x450 [ 81.197109][ T2830] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.202467][ T9109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.207834][ T2830] ? lock_acquire+0x16f/0x3f0 [ 81.214073][ T9109] del_timer+0x7c/0x120 [ 81.218769][ T2830] worker_thread+0x98/0xe40 [ 81.223016][ T9109] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 81.227519][ T2830] ? trace_hardirqs_on+0x67/0x220 [ 81.233407][ T9109] ? __cancel_work_timer+0xc4/0x520 [ 81.238433][ T2830] kthread+0x354/0x420 [ 81.243626][ T9109] ? trace_hardirqs_off+0x62/0x220 [ 81.247692][ T2830] ? process_one_work+0x1790/0x1790 [ 81.252802][ T9109] try_to_grab_pending+0x37e/0x910 [ 81.257999][ T2830] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 81.263220][ T9109] __cancel_work_timer+0xc4/0x520 [ 81.269465][ T2830] ret_from_fork+0x24/0x30 [ 81.274515][ T9109] ? try_to_grab_pending+0x910/0x910 [ 81.278930][ T2830] irq event stamp: 577078 [ 81.284212][ T9109] ? trace_hardirqs_off+0x62/0x220 [ 81.288533][ T2830] hardirqs last enabled at (577077): [] _raw_spin_unlock_irq+0x28/0x90 [ 81.293663][ T9109] ? process_one_work+0x890/0x1790 [ 81.303576][ T2830] hardirqs last disabled at (577078): [] try_to_grab_pending+0xb8/0x910 [ 81.308775][ T9109] ? find_held_lock+0x35/0x130 [ 81.318667][ T2830] softirqs last enabled at (576972): [] sock_hash_free+0x274/0x4a0 [ 81.323434][ T9109] ? process_one_work+0x890/0x1790 [ 81.332978][ T2830] softirqs last disabled at (576970): [] sock_hash_free+0x133/0x4a0 [ 81.338103][ T9109] cancel_delayed_work_sync+0x1b/0x20 [ 81.347645][ T2830] ---[ end trace e0bcb65ce794ec44 ]--- [ 81.353042][ T9109] strp_done+0x5d/0xf0 [ 81.362568][ T9109] sk_psock_destroy_deferred+0x3a/0x6c0 [ 81.368145][ T9109] process_one_work+0x989/0x1790 [ 81.373102][ T9109] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.378478][ T9109] ? lock_acquire+0x16f/0x3f0 [ 81.383179][ T9109] worker_thread+0x98/0xe40 [ 81.388296][ T9109] ? trace_hardirqs_on+0x67/0x220 [ 81.393345][ T9109] kthread+0x354/0x420 [ 81.397426][ T9109] ? process_one_work+0x1790/0x1790 [ 81.402639][ T9109] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 81.408908][ T9109] ret_from_fork+0x24/0x30 [ 81.414574][ T9109] Kernel Offset: disabled [ 81.419151][ T9109] Rebooting in 86400 seconds..