[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 62.678252][ T26] audit: type=1800 audit(1573372646.262:25): pid=8499 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 62.707451][ T26] audit: type=1800 audit(1573372646.262:26): pid=8499 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 62.764498][ T26] audit: type=1800 audit(1573372646.262:27): pid=8499 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 '10.128.0.87' (ECDSA) to the list of known hosts. 2019/11/10 07:57:36 parsed 1 programs 2019/11/10 07:57:38 executed programs: 0 syzkaller login: [ 74.679770][ T8666] IPVS: ftp: loaded support on port[0] = 21 [ 74.740740][ T8666] chnl_net:caif_netlink_parms(): no params data found [ 74.766821][ T8666] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.774701][ T8666] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.782359][ T8666] device bridge_slave_0 entered promiscuous mode [ 74.790797][ T8666] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.797966][ T8666] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.805502][ T8666] device bridge_slave_1 entered promiscuous mode [ 74.823346][ T8666] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.833860][ T8666] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.852882][ T8666] team0: Port device team_slave_0 added [ 74.859879][ T8666] team0: Port device team_slave_1 added [ 74.909614][ T8666] device hsr_slave_0 entered promiscuous mode [ 74.977412][ T8666] device hsr_slave_1 entered promiscuous mode [ 75.102755][ T8666] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.110009][ T8666] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.117863][ T8666] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.125032][ T8666] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.270961][ T8666] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.299245][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.329162][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.369141][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.389340][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.423502][ T8666] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.452674][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.467882][ T3019] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.475068][ T3019] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.538498][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.546963][ T3019] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.554068][ T3019] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.598118][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.628287][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.636899][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.681688][ T8666] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.709812][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.720387][ T8692] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.730422][ T8692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.771678][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.779626][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.795342][ T8666] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.941752][ T8887] kasan: CONFIG_KASAN_INLINE enabled [ 76.947072][ T8887] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 76.955134][ T8887] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 76.962056][ T8887] CPU: 1 PID: 8887 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 76.969831][ T8887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.979884][ T8887] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 76.985623][ T8887] 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 [ 77.005202][ T8887] RSP: 0018:ffff888089b67b48 EFLAGS: 00010006 [ 77.011240][ T8887] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.019191][ T8887] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 77.027143][ T8887] RBP: ffff888089b67c60 R08: 0000000000000001 R09: 0000000000000001 [ 77.035106][ T8887] R10: fffffbfff138cda0 R11: ffff888093f10200 R12: 00000000000010c0 [ 77.043051][ T8887] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 77.050999][ T8887] FS: 00007fcd28103700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.059901][ T8887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.066457][ T8887] CR2: 000000000075c000 CR3: 0000000093cd4000 CR4: 00000000001406e0 [ 77.074421][ T8887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.082370][ T8887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.090320][ T8887] Call Trace: [ 77.093598][ T8887] ? __kasan_check_read+0x11/0x20 [ 77.098606][ T8887] ? __lock_acquire+0x16f2/0x4a00 [ 77.103621][ T8887] ? rwlock_bug.part.0+0x90/0x90 [ 77.108546][ T8887] ? lock_acquire+0x190/0x410 [ 77.113207][ T8887] ? mark_held_locks+0xf0/0xf0 [ 77.117948][ T8887] lock_acquire+0x190/0x410 [ 77.122570][ T8887] ? j1939_jsk_del+0x32/0x240 [ 77.127244][ T8887] _raw_spin_lock_bh+0x33/0x50 [ 77.132012][ T8887] ? j1939_jsk_del+0x32/0x240 [ 77.136670][ T8887] j1939_jsk_del+0x32/0x240 [ 77.141205][ T8887] ? lock_sock_nested+0xe2/0x120 [ 77.146121][ T8887] j1939_sk_bind+0x2e2/0x8e0 [ 77.150692][ T8887] __sys_bind+0x239/0x290 [ 77.155001][ T8887] ? __ia32_sys_socketpair+0xf0/0xf0 [ 77.160268][ T8887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.166483][ T8887] ? put_timespec64+0xda/0x140 [ 77.171223][ T8887] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 77.176657][ T8887] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 77.182092][ T8887] ? do_syscall_64+0x26/0x760 [ 77.186748][ T8887] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.192882][ T8887] ? do_syscall_64+0x26/0x760 [ 77.197561][ T8887] __x64_sys_bind+0x73/0xb0 [ 77.202037][ T8887] do_syscall_64+0xfa/0x760 [ 77.206559][ T8887] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.212424][ T8887] RIP: 0033:0x45a219 [ 77.216294][ T8887] 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 [ 77.235870][ T8887] RSP: 002b:00007fcd28102c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 77.244255][ T8887] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 77.252200][ T8887] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 77.260144][ T8887] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 77.268089][ T8887] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd281036d4 [ 77.276035][ T8887] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 77.283979][ T8887] Modules linked in: [ 77.287853][ T8887] ---[ end trace 94071667227bd320 ]--- [ 77.293299][ T8887] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 77.298903][ T8887] 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 [ 77.318604][ T8887] RSP: 0018:ffff888089b67b48 EFLAGS: 00010006 [ 77.324640][ T8887] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.332592][ T8887] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 77.340548][ T8887] RBP: ffff888089b67c60 R08: 0000000000000001 R09: 0000000000000001 [ 77.348494][ T8887] R10: fffffbfff138cda0 R11: ffff888093f10200 R12: 00000000000010c0 [ 77.356437][ T8887] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 77.364383][ T8887] FS: 00007fcd28103700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.373281][ T8887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.379863][ T8887] CR2: 000000000075c000 CR3: 0000000093cd4000 CR4: 00000000001406e0 [ 77.387810][ T8887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.395753][ T8887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.403696][ T8887] Kernel panic - not syncing: Fatal exception in interrupt [ 77.412164][ T8887] Kernel Offset: disabled [ 77.416499][ T8887] Rebooting in 86400 seconds..