[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.325707][ T26] audit: type=1800 audit(1572995085.450:25): pid=8670 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.365295][ T26] audit: type=1800 audit(1572995085.450:26): pid=8670 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.405272][ T26] audit: type=1800 audit(1572995085.450:27): pid=8670 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 '10.128.10.39' (ECDSA) to the list of known hosts. 2019/11/05 23:04:57 parsed 1 programs 2019/11/05 23:04:59 executed programs: 0 syzkaller login: [ 70.827044][ T8839] IPVS: ftp: loaded support on port[0] = 21 [ 70.890592][ T8839] chnl_net:caif_netlink_parms(): no params data found [ 70.918806][ T8839] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.926463][ T8839] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.934215][ T8839] device bridge_slave_0 entered promiscuous mode [ 70.942333][ T8839] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.949527][ T8839] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.957346][ T8839] device bridge_slave_1 entered promiscuous mode [ 70.974088][ T8839] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.985379][ T8839] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.004475][ T8839] team0: Port device team_slave_0 added [ 71.011911][ T8839] team0: Port device team_slave_1 added [ 71.087754][ T8839] device hsr_slave_0 entered promiscuous mode [ 71.155534][ T8839] device hsr_slave_1 entered promiscuous mode [ 71.277954][ T8839] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.285238][ T8839] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.293152][ T8839] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.300312][ T8839] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.490678][ T8839] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.521131][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.546838][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.585851][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.606414][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.641076][ T8839] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.660444][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.687287][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.697997][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.727100][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.748548][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.755888][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.816741][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.847425][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.876258][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.900151][ T8839] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.931212][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.951077][ T8864] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.973708][ T8864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.019056][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.026908][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.039911][ T8839] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.491031][ T8937] kasan: CONFIG_KASAN_INLINE enabled [ 72.496357][ T8937] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 72.504418][ T8937] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 72.511337][ T8937] CPU: 0 PID: 8937 Comm: syz-executor.0 Not tainted 5.4.0-rc6 #0 [ 72.519029][ T8937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.529078][ T8937] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 72.539376][ T8937] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 85 06 8a 0f 84 5f ee ff [ 72.559052][ T8937] RSP: 0018:ffff88809764fb48 EFLAGS: 00010006 [ 72.565100][ T8937] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.573145][ T8937] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.581106][ T8937] RBP: ffff88809764fc60 R08: 0000000000000001 R09: 0000000000000001 [ 72.589071][ T8937] R10: fffffbfff138cd40 R11: ffff8880a775a540 R12: 00000000000010c0 [ 72.597025][ T8937] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 72.604982][ T8937] FS: 00007f7b17f06700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 72.613886][ T8937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.620447][ T8937] CR2: 000000000075c000 CR3: 0000000095127000 CR4: 00000000001406f0 [ 72.628566][ T8937] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.636522][ T8937] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.644473][ T8937] Call Trace: [ 72.647881][ T8937] ? __kasan_check_read+0x11/0x20 [ 72.652887][ T8937] ? __lock_acquire+0x16f2/0x4a00 [ 72.657889][ T8937] ? rwlock_bug.part.0+0x90/0x90 [ 72.662967][ T8937] ? lock_acquire+0x190/0x410 [ 72.667647][ T8937] ? mark_held_locks+0xf0/0xf0 [ 72.672427][ T8937] lock_acquire+0x190/0x410 [ 72.676923][ T8937] ? j1939_jsk_del+0x32/0x240 [ 72.681582][ T8937] _raw_spin_lock_bh+0x33/0x50 [ 72.686324][ T8937] ? j1939_jsk_del+0x32/0x240 [ 72.690978][ T8937] j1939_jsk_del+0x32/0x240 [ 72.695461][ T8937] ? lock_sock_nested+0xe2/0x120 [ 72.700379][ T8937] j1939_sk_bind+0x2e2/0x8e0 [ 72.704950][ T8937] __sys_bind+0x239/0x290 [ 72.709260][ T8937] ? __ia32_sys_socketpair+0xf0/0xf0 [ 72.714530][ T8937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.720748][ T8937] ? put_timespec64+0xda/0x140 [ 72.725510][ T8937] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 72.730967][ T8937] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 72.736404][ T8937] ? do_syscall_64+0x26/0x760 [ 72.741060][ T8937] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.747108][ T8937] ? do_syscall_64+0x26/0x760 [ 72.751824][ T8937] __x64_sys_bind+0x73/0xb0 [ 72.756310][ T8937] do_syscall_64+0xfa/0x760 [ 72.760795][ T8937] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.766665][ T8937] RIP: 0033:0x45a219 [ 72.770540][ T8937] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.790183][ T8937] RSP: 002b:00007f7b17f05c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 72.799112][ T8937] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 72.807077][ T8937] RDX: 0000000000000018 RSI: 0000000020000040 RDI: 0000000000000003 [ 72.815042][ T8937] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 72.823011][ T8937] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b17f066d4 [ 72.830964][ T8937] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 72.839028][ T8937] Modules linked in: [ 72.842919][ T8937] ---[ end trace e5bf7884ab919067 ]--- [ 72.848366][ T8937] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 72.853989][ T8937] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 85 06 8a 0f 84 5f ee ff [ 72.873589][ T8937] RSP: 0018:ffff88809764fb48 EFLAGS: 00010006 [ 72.879642][ T8937] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.887618][ T8937] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.895573][ T8937] RBP: ffff88809764fc60 R08: 0000000000000001 R09: 0000000000000001 [ 72.903527][ T8937] R10: fffffbfff138cd40 R11: ffff8880a775a540 R12: 00000000000010c0 [ 72.911495][ T8937] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 72.919450][ T8937] FS: 00007f7b17f06700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 72.928358][ T8937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.934916][ T8937] CR2: 000000000075c000 CR3: 0000000095127000 CR4: 00000000001406f0 [ 72.942882][ T8937] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.950873][ T8937] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.958836][ T8937] Kernel panic - not syncing: Fatal exception in interrupt [ 72.967282][ T8937] Kernel Offset: disabled [ 72.971622][ T8937] Rebooting in 86400 seconds..