[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.920559][ T26] audit: type=1800 audit(1573266890.277:25): pid=8624 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.964793][ T26] audit: type=1800 audit(1573266890.287:26): pid=8624 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.004178][ T26] audit: type=1800 audit(1573266890.287:27): pid=8624 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 '10.128.1.38' (ECDSA) to the list of known hosts. 2019/11/09 02:35:00 parsed 1 programs 2019/11/09 02:35:02 executed programs: 0 syzkaller login: [ 69.827394][ T8791] IPVS: ftp: loaded support on port[0] = 21 [ 69.891822][ T8791] chnl_net:caif_netlink_parms(): no params data found [ 69.920279][ T8791] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.927959][ T8791] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.935892][ T8791] device bridge_slave_0 entered promiscuous mode [ 69.943842][ T8791] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.951449][ T8791] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.960757][ T8791] device bridge_slave_1 entered promiscuous mode [ 69.978788][ T8791] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.989355][ T8791] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.010284][ T8791] team0: Port device team_slave_0 added [ 70.017629][ T8791] team0: Port device team_slave_1 added [ 70.087266][ T8791] device hsr_slave_0 entered promiscuous mode [ 70.135005][ T8791] device hsr_slave_1 entered promiscuous mode [ 70.272627][ T8791] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.279934][ T8791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.287937][ T8791] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.295087][ T8791] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.495883][ T8791] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.522076][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.557813][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.587411][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.608186][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.631932][ T8791] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.686669][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.715255][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.722349][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.777387][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.796423][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.803539][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.847113][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.856830][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.877784][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.914011][ T8791] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.955147][ T8791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.971080][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.994404][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.018541][ T8791] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.027367][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.037395][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.728910][ T8929] kasan: CONFIG_KASAN_INLINE enabled [ 71.734231][ T8929] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 71.742299][ T8929] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 71.749897][ T8929] CPU: 0 PID: 8929 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 71.760466][ T8929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.770533][ T8929] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 71.776145][ T8929] 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 [ 71.796185][ T8929] RSP: 0018:ffff888089b4fb48 EFLAGS: 00010006 [ 71.802229][ T8929] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.810193][ T8929] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 71.818141][ T8929] RBP: ffff888089b4fc60 R08: 0000000000000001 R09: 0000000000000001 [ 71.826102][ T8929] R10: fffffbfff138cd60 R11: ffff88808f5c8640 R12: 00000000000010c0 [ 71.834150][ T8929] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 71.842125][ T8929] FS: 00007f64f1894700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 71.851036][ T8929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.857776][ T8929] CR2: 000000000075c000 CR3: 000000009c0cf000 CR4: 00000000001406f0 [ 71.865735][ T8929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.873693][ T8929] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.881657][ T8929] Call Trace: [ 71.884947][ T8929] ? __kasan_check_read+0x11/0x20 [ 71.889949][ T8929] ? __lock_acquire+0x16f2/0x4a00 [ 71.895479][ T8929] ? rwlock_bug.part.0+0x90/0x90 [ 71.900395][ T8929] ? lock_acquire+0x190/0x410 [ 71.905053][ T8929] ? mark_held_locks+0xf0/0xf0 [ 71.909867][ T8929] lock_acquire+0x190/0x410 [ 71.914819][ T8929] ? j1939_jsk_del+0x32/0x240 [ 71.919504][ T8929] _raw_spin_lock_bh+0x33/0x50 [ 71.924254][ T8929] ? j1939_jsk_del+0x32/0x240 [ 71.928929][ T8929] j1939_jsk_del+0x32/0x240 [ 71.933441][ T8929] ? lock_sock_nested+0xe2/0x120 [ 71.938361][ T8929] j1939_sk_bind+0x2e2/0x8e0 [ 71.942935][ T8929] __sys_bind+0x239/0x290 [ 71.947352][ T8929] ? __ia32_sys_socketpair+0xf0/0xf0 [ 71.952620][ T8929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.959644][ T8929] ? put_timespec64+0xda/0x140 [ 71.964415][ T8929] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 71.969896][ T8929] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 71.976389][ T8929] ? do_syscall_64+0x26/0x760 [ 71.981044][ T8929] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.987110][ T8929] ? do_syscall_64+0x26/0x760 [ 71.991769][ T8929] __x64_sys_bind+0x73/0xb0 [ 71.996321][ T8929] do_syscall_64+0xfa/0x760 [ 72.000834][ T8929] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.006828][ T8929] RIP: 0033:0x45a219 [ 72.010714][ T8929] 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 [ 72.030412][ T8929] RSP: 002b:00007f64f1893c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 72.038825][ T8929] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 72.046867][ T8929] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 72.054823][ T8929] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 72.062790][ T8929] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f64f18946d4 [ 72.070740][ T8929] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 72.078692][ T8929] Modules linked in: [ 72.082575][ T8929] ---[ end trace 17766e51d9e6022d ]--- [ 72.088016][ T8929] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 72.093622][ T8929] 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 [ 72.113221][ T8929] RSP: 0018:ffff888089b4fb48 EFLAGS: 00010006 [ 72.119275][ T8929] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.127238][ T8929] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.135203][ T8929] RBP: ffff888089b4fc60 R08: 0000000000000001 R09: 0000000000000001 [ 72.143175][ T8929] R10: fffffbfff138cd60 R11: ffff88808f5c8640 R12: 00000000000010c0 [ 72.151151][ T8929] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 72.159103][ T8929] FS: 00007f64f1894700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 72.168016][ T8929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.174577][ T8929] CR2: 000000000075c000 CR3: 000000009c0cf000 CR4: 00000000001406f0 [ 72.182531][ T8929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.190491][ T8929] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.198881][ T8929] Kernel panic - not syncing: Fatal exception in interrupt [ 72.207438][ T8929] Kernel Offset: disabled [ 72.211764][ T8929] Rebooting in 86400 seconds..