[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 63.089273][ T26] audit: type=1800 audit(1558211820.078:25): pid=8785 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 63.131703][ T26] audit: type=1800 audit(1558211820.078:26): pid=8785 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 63.178945][ T26] audit: type=1800 audit(1558211820.078:27): pid=8785 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 '10.128.0.162' (ECDSA) to the list of known hosts. 2019/05/18 20:37:11 parsed 1 programs 2019/05/18 20:37:13 executed programs: 0 syzkaller login: [ 76.173510][ T8956] IPVS: ftp: loaded support on port[0] = 21 [ 76.234401][ T8956] chnl_net:caif_netlink_parms(): no params data found [ 76.261160][ T8956] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.269768][ T8956] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.277548][ T8956] device bridge_slave_0 entered promiscuous mode [ 76.285400][ T8956] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.292578][ T8956] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.300181][ T8956] device bridge_slave_1 entered promiscuous mode [ 76.315557][ T8956] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.325112][ T8956] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 76.341965][ T8956] team0: Port device team_slave_0 added [ 76.348590][ T8956] team0: Port device team_slave_1 added [ 76.413804][ T8956] device hsr_slave_0 entered promiscuous mode [ 76.461973][ T8956] device hsr_slave_1 entered promiscuous mode [ 76.539520][ T8956] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.546774][ T8956] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.554360][ T8956] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.561405][ T8956] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.594703][ T8956] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.605980][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.616656][ T2990] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.625044][ T2990] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.633135][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.645284][ T8956] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.654991][ T3684] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.663550][ T3684] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.670583][ T3684] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.692342][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.700603][ T2990] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.707805][ T2990] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.716170][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.724951][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.733649][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.741759][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.750918][ T8956] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.759543][ T8958] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.776937][ T8956] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.902187][ T2990] ------------[ cut here ]------------ [ 76.902306][ T8960] ------------[ cut here ]------------ [ 76.907776][ T2990] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 76.913274][ T8960] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 76.923104][ T2990] WARNING: CPU: 0 PID: 2990 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 76.932689][ T8960] WARNING: CPU: 1 PID: 8960 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 [ 76.941926][ T2990] Kernel panic - not syncing: panic_on_warn set ... [ 76.951348][ T8960] Modules linked in: [ 76.957937][ T2990] CPU: 0 PID: 2990 Comm: kworker/0:2 Not tainted 5.1.0+ #19 [ 76.961810][ T8960] CPU: 1 PID: 8960 Comm: kworker/1:3 Not tainted 5.1.0+ #19 [ 76.969067][ T2990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.976319][ T8960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.976342][ T8960] Workqueue: events sk_psock_destroy_deferred [ 76.986397][ T2990] Workqueue: events sk_psock_destroy_deferred [ 76.996498][ T8960] RIP: 0010:debug_print_object+0x168/0x250 [ 77.002532][ T2990] Call Trace: [ 77.008583][ T8960] 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 [ 77.014396][ T2990] dump_stack+0x172/0x1f0 [ 77.017628][ T8960] RSP: 0018:ffff888097837970 EFLAGS: 00010086 [ 77.037249][ T2990] ? debug_print_object+0x100/0x250 [ 77.041557][ T8960] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 77.047604][ T2990] panic+0x2cb/0x715 [ 77.052778][ T8960] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed1012f06f20 [ 77.060740][ T2990] ? __warn_printk+0xf3/0xf3 [ 77.064602][ T8960] RBP: ffff8880978379b0 R08: ffff88808624a1c0 R09: ffffed1015d240f1 [ 77.072559][ T2990] ? debug_print_object+0x168/0x250 [ 77.077117][ T8960] R10: ffffed1015d240f0 R11: ffff8880ae920787 R12: 0000000000000002 [ 77.085074][ T2990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.090228][ T8960] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff88809af93be8 [ 77.090240][ T8960] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.098200][ T2990] ? __warn.cold+0x5/0x4c [ 77.104405][ T8960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.112528][ T2990] ? __warn+0xe8/0x1d0 [ 77.121503][ T8960] CR2: 000000000077fffb CR3: 00000000a3e53000 CR4: 00000000001406e0 [ 77.125816][ T2990] ? debug_print_object+0x168/0x250 [ 77.132368][ T8960] Call Trace: [ 77.136422][ T2990] __warn.cold+0x20/0x4c [ 77.144378][ T8960] debug_object_assert_init+0x23a/0x2f0 [ 77.149644][ T2990] ? vprintk_emit+0x1ea/0x700 [ 77.152902][ T8960] ? debug_object_destroy+0x250/0x250 [ 77.157130][ T2990] ? debug_print_object+0x168/0x250 [ 77.162648][ T8960] del_timer+0x7c/0x120 [ 77.167297][ T2990] report_bug+0x263/0x2b0 [ 77.172657][ T8960] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 77.177852][ T2990] do_error_trap+0x11b/0x200 [ 77.182064][ T8960] ? __cancel_work_timer+0xc4/0x520 [ 77.186471][ T2990] do_invalid_op+0x37/0x50 [ 77.192341][ T8960] ? trace_hardirqs_off+0x62/0x220 [ 77.197038][ T2990] ? debug_print_object+0x168/0x250 [ 77.202206][ T8960] try_to_grab_pending+0x37e/0x910 [ 77.206601][ T2990] invalid_op+0x14/0x20 [ 77.211684][ T8960] __cancel_work_timer+0xc4/0x520 [ 77.216864][ T2990] RIP: 0010:debug_print_object+0x168/0x250 [ 77.222083][ T8960] ? try_to_grab_pending+0x910/0x910 [ 77.226232][ T2990] 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 [ 77.231232][ T8960] ? trace_hardirqs_off+0x62/0x220 [ 77.237069][ T2990] RSP: 0018:ffff88809e477970 EFLAGS: 00010086 [ 77.242341][ T8960] ? process_one_work+0x890/0x1790 [ 77.261935][ T2990] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 77.267198][ T8960] ? find_held_lock+0x35/0x130 [ 77.273241][ T2990] RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed1013c8ef20 [ 77.278346][ T8960] ? process_one_work+0x890/0x1790 [ 77.286432][ T2990] RBP: ffff88809e4779b0 R08: ffff88809e462100 R09: ffffed1015d040f1 [ 77.291196][ T8960] cancel_delayed_work_sync+0x1b/0x20 [ 77.299349][ T2990] R10: ffffed1015d040f0 R11: ffff8880ae820787 R12: 0000000000000001 [ 77.304447][ T8960] strp_done+0x5d/0xf0 [ 77.312395][ T2990] R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff888086ad60a8 [ 77.317751][ T8960] sk_psock_destroy_deferred+0x3a/0x6c0 [ 77.325713][ T2990] ? calc_wheel_index+0x220/0x220 [ 77.329768][ T8960] process_one_work+0x989/0x1790 [ 77.337738][ T2990] ? vprintk_func+0x86/0x189 [ 77.343249][ T8960] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.348264][ T2990] debug_object_assert_init+0x23a/0x2f0 [ 77.353162][ T8960] ? lock_acquire+0x16f/0x3f0 [ 77.357731][ T2990] ? debug_object_destroy+0x250/0x250 [ 77.363081][ T8960] worker_thread+0x98/0xe40 [ 77.368979][ T2990] ? __lockdep_reset_lock+0x450/0x450 [ 77.373634][ T8960] ? trace_hardirqs_on+0x67/0x220 [ 77.378989][ T2990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.383480][ T8960] kthread+0x354/0x420 [ 77.388834][ T2990] del_timer+0x7c/0x120 [ 77.393849][ T8960] ? process_one_work+0x1790/0x1790 [ 77.400085][ T2990] ? trigger_dyntick_cpu.isra.0+0x180/0x180 [ 77.404137][ T8960] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 77.408278][ T2990] ? __cancel_work_timer+0xc4/0x520 [ 77.413460][ T8960] ret_from_fork+0x24/0x30 [ 77.419341][ T2990] ? trace_hardirqs_off+0x62/0x220 [ 77.425563][ T8960] irq event stamp: 26 [ 77.430750][ T2990] try_to_grab_pending+0x37e/0x910 [ 77.435153][ T8960] hardirqs last enabled at (25): [] _raw_spin_unlock_irq+0x28/0x90 [ 77.440250][ T2990] __cancel_work_timer+0xc4/0x520 [ 77.444220][ T8960] hardirqs last disabled at (26): [] try_to_grab_pending+0xb8/0x910 [ 77.449312][ T2990] ? try_to_grab_pending+0x910/0x910 [ 77.458838][ T8960] softirqs last enabled at (0): [] copy_process.part.0+0x1736/0x6790 [ 77.463843][ T2990] ? trace_hardirqs_off+0x62/0x220 [ 77.473357][ T8960] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.478632][ T2990] ? process_one_work+0x890/0x1790 [ 77.488318][ T8960] ---[ end trace 6809833ee53ffd53 ]--- [ 77.493430][ T2990] ? find_held_lock+0x35/0x130 [ 77.503931][ T8960] WARNING: CPU: 1 PID: 8960 at kernel/workqueue.c:3030 __flush_work+0x922/0xa70 [ 77.505615][ T2990] ? process_one_work+0x890/0x1790 [ 77.511047][ T8960] Modules linked in: [ 77.515806][ T2990] cancel_delayed_work_sync+0x1b/0x20 [ 77.524808][ T8960] CPU: 1 PID: 8960 Comm: kworker/1:3 Tainted: G W 5.1.0+ #19 [ 77.529915][ T2990] strp_done+0x5d/0xf0 [ 77.533785][ T8960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.539145][ T2990] sk_psock_destroy_deferred+0x3a/0x6c0 [ 77.547791][ T8960] Workqueue: events sk_psock_destroy_deferred [ 77.551848][ T2990] process_one_work+0x989/0x1790 [ 77.561897][ T8960] RIP: 0010:__flush_work+0x922/0xa70 [ 77.567521][ T2990] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.573602][ T8960] Code: 5a 14 00 e8 a0 7b 26 00 48 c7 c2 3e 25 4a 81 be 01 00 00 00 48 c7 c7 c0 31 ba 88 e8 c8 39 0d 00 e9 05 fc ff ff e8 7e 7b 26 00 <0f> 0b 45 31 e4 e9 f6 fb ff ff e8 6f 7b 26 00 e8 ca 8a 14 00 31 ff [ 77.578525][ T2990] ? lock_acquire+0x16f/0x3f0 [ 77.583783][ T8960] RSP: 0018:ffff888097837a18 EFLAGS: 00010293 [ 77.589154][ T2990] worker_thread+0x98/0xe40 [ 77.608735][ T8960] RAX: ffff88808624a1c0 RBX: ffff88809af93ba8 RCX: ffffffff814a1ceb [ 77.613408][ T2990] ? trace_hardirqs_on+0x67/0x220 [ 77.619443][ T8960] RDX: 0000000000000000 RSI: ffffffff814a2572 RDI: 0000000000000001 [ 77.623940][ T2990] kthread+0x354/0x420 [ 77.631885][ T8960] RBP: ffff888097837b88 R08: ffff88808624a1c0 R09: ffff88808624aa88 [ 77.636901][ T2990] ? process_one_work+0x1790/0x1790 [ 77.644861][ T8960] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 77.648922][ T2990] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 77.656868][ T8960] R13: ffff888097837b60 R14: 0000000000000001 R15: 0000000000000001 [ 77.656885][ T8960] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.662074][ T2990] ret_from_fork+0x24/0x30 [ 77.670023][ T8960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.670038][ T8960] CR2: 000000000077fffb CR3: 00000000a133b000 CR4: 00000000001406e0 [ 77.712034][ T8960] Call Trace: [ 77.715329][ T8960] ? retint_kernel+0x2b/0x2b [ 77.719926][ T8960] ? wq_calc_node_cpumask+0x3a0/0x3a0 [ 77.725427][ T8960] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 77.730899][ T8960] ? retint_kernel+0x2b/0x2b [ 77.735504][ T8960] ? __cancel_work_timer+0x20c/0x520 [ 77.740792][ T8960] __cancel_work_timer+0x3bf/0x520 [ 77.745921][ T8960] ? try_to_grab_pending+0x910/0x910 [ 77.751205][ T8960] ? trace_hardirqs_off+0x62/0x220 [ 77.756311][ T8960] ? process_one_work+0x890/0x1790 [ 77.761416][ T8960] ? find_held_lock+0x35/0x130 [ 77.766174][ T8960] ? process_one_work+0x890/0x1790 [ 77.771291][ T8960] cancel_delayed_work_sync+0x1b/0x20 [ 77.776658][ T8960] strp_done+0x5d/0xf0 [ 77.780723][ T8960] sk_psock_destroy_deferred+0x3a/0x6c0 [ 77.786271][ T8960] process_one_work+0x989/0x1790 [ 77.791226][ T8960] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.796598][ T8960] ? lock_acquire+0x16f/0x3f0 [ 77.801369][ T8960] worker_thread+0x98/0xe40 [ 77.805879][ T8960] ? trace_hardirqs_on+0x67/0x220 [ 77.810915][ T8960] kthread+0x354/0x420 [ 77.814995][ T8960] ? process_one_work+0x1790/0x1790 [ 77.820188][ T8960] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 77.826429][ T8960] ret_from_fork+0x24/0x30 [ 77.830847][ T8960] irq event stamp: 34 [ 77.834830][ T8960] hardirqs last enabled at (33): [] trace_hardirqs_on_thunk+0x1a/0x1c [ 77.844635][ T8960] hardirqs last disabled at (34): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 77.854524][ T8960] softirqs last enabled at (0): [] copy_process.part.0+0x1736/0x6790 [ 77.864234][ T8960] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.871328][ T8960] ---[ end trace 6809833ee53ffd54 ]--- [ 77.877678][ T2990] Kernel Offset: disabled [ 77.882057][ T2990] Rebooting in 86400 seconds..