[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 58.018292][ T26] audit: type=1800 audit(1572986012.669:25): pid=8571 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.063025][ T26] audit: type=1800 audit(1572986012.669:26): pid=8571 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.122737][ T26] audit: type=1800 audit(1572986012.679:27): pid=8571 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 '10.128.0.68' (ECDSA) to the list of known hosts. 2019/11/05 20:33:43 parsed 1 programs 2019/11/05 20:33:45 executed programs: 0 syzkaller login: [ 70.795230][ T8740] IPVS: ftp: loaded support on port[0] = 21 [ 70.858367][ T8740] chnl_net:caif_netlink_parms(): no params data found [ 70.887206][ T8740] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.895160][ T8740] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.902937][ T8740] device bridge_slave_0 entered promiscuous mode [ 70.911064][ T8740] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.918279][ T8740] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.927125][ T8740] device bridge_slave_1 entered promiscuous mode [ 70.943366][ T8740] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.954036][ T8740] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.972618][ T8740] team0: Port device team_slave_0 added [ 70.980084][ T8740] team0: Port device team_slave_1 added [ 71.065436][ T8740] device hsr_slave_0 entered promiscuous mode [ 71.133616][ T8740] device hsr_slave_1 entered promiscuous mode [ 71.215801][ T8740] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.223046][ T8740] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.231028][ T8740] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.238174][ T8740] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.385616][ T8740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.411827][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.455829][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.485226][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.534095][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.570660][ T8740] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.636499][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.646966][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.654121][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.683609][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.692150][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.699835][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.745597][ T8767] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.755750][ T8767] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.782247][ T8740] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.814314][ T8740] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.838219][ T8768] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.847181][ T8768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.875880][ T8768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.924822][ T8767] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.932270][ T8767] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.955259][ T8767] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.979334][ T8740] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.278767][ T8814] kasan: CONFIG_KASAN_INLINE enabled [ 72.284080][ T8814] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 72.292167][ T8814] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 72.299184][ T8814] CPU: 0 PID: 8814 Comm: syz-executor.0 Not tainted 5.4.0-rc6 #0 [ 72.306877][ T8814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.317028][ T8814] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 72.322646][ T8814] 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 [ 72.342242][ T8814] RSP: 0018:ffff888093877b48 EFLAGS: 00010006 [ 72.348344][ T8814] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.356299][ T8814] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.364395][ T8814] RBP: ffff888093877c60 R08: 0000000000000001 R09: 0000000000000001 [ 72.372352][ T8814] R10: fffffbfff138cd40 R11: ffff88809c146680 R12: 00000000000010c0 [ 72.380306][ T8814] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 72.388258][ T8814] FS: 00007fcbca4fe700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 72.397164][ T8814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.403742][ T8814] CR2: 000000000075c000 CR3: 00000000a79d4000 CR4: 00000000001406f0 [ 72.411707][ T8814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.419670][ T8814] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.427716][ T8814] Call Trace: [ 72.430991][ T8814] ? __kasan_check_read+0x11/0x20 [ 72.436007][ T8814] ? __lock_acquire+0x16f2/0x4a00 [ 72.441008][ T8814] ? rwlock_bug.part.0+0x90/0x90 [ 72.445926][ T8814] ? lock_acquire+0x190/0x410 [ 72.450594][ T8814] ? mark_held_locks+0xf0/0xf0 [ 72.455333][ T8814] lock_acquire+0x190/0x410 [ 72.459816][ T8814] ? j1939_jsk_del+0x32/0x240 [ 72.464475][ T8814] _raw_spin_lock_bh+0x33/0x50 [ 72.469228][ T8814] ? j1939_jsk_del+0x32/0x240 [ 72.473886][ T8814] j1939_jsk_del+0x32/0x240 [ 72.478374][ T8814] ? lock_sock_nested+0xe2/0x120 [ 72.483311][ T8814] j1939_sk_bind+0x2e2/0x8e0 [ 72.487902][ T8814] __sys_bind+0x239/0x290 [ 72.492212][ T8814] ? __ia32_sys_socketpair+0xf0/0xf0 [ 72.497736][ T8814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.503959][ T8814] ? put_timespec64+0xda/0x140 [ 72.508707][ T8814] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 72.514147][ T8814] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 72.519594][ T8814] ? do_syscall_64+0x26/0x760 [ 72.524250][ T8814] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.530293][ T8814] ? do_syscall_64+0x26/0x760 [ 72.534946][ T8814] __x64_sys_bind+0x73/0xb0 [ 72.539430][ T8814] do_syscall_64+0xfa/0x760 [ 72.544017][ T8814] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.549974][ T8814] RIP: 0033:0x45a219 [ 72.553893][ T8814] 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 [ 72.573483][ T8814] RSP: 002b:00007fcbca4fdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 72.582495][ T8814] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 72.590459][ T8814] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 72.599627][ T8814] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 72.607596][ T8814] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbca4fe6d4 [ 72.615560][ T8814] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 72.623635][ T8814] Modules linked in: [ 72.627522][ T8814] ---[ end trace e8704bc2f7342704 ]--- [ 72.632973][ T8814] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 72.638589][ T8814] 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 [ 72.658175][ T8814] RSP: 0018:ffff888093877b48 EFLAGS: 00010006 [ 72.664229][ T8814] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.672180][ T8814] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.680134][ T8814] RBP: ffff888093877c60 R08: 0000000000000001 R09: 0000000000000001 [ 72.688093][ T8814] R10: fffffbfff138cd40 R11: ffff88809c146680 R12: 00000000000010c0 [ 72.696051][ T8814] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 72.704064][ T8814] FS: 00007fcbca4fe700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 72.712997][ T8814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.719574][ T8814] CR2: 000000000075c000 CR3: 00000000a79d4000 CR4: 00000000001406f0 [ 72.727526][ T8814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.735475][ T8814] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.743427][ T8814] Kernel panic - not syncing: Fatal exception in interrupt [ 72.752287][ T8814] Kernel Offset: disabled [ 72.756683][ T8814] Rebooting in 86400 seconds..