[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.193787][ T26] audit: type=1800 audit(1573265643.384:25): pid=7805 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.234519][ T26] audit: type=1800 audit(1573265643.384:26): pid=7805 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.259375][ T26] audit: type=1800 audit(1573265643.384:27): pid=7805 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 '10.128.0.228' (ECDSA) to the list of known hosts. 2019/11/09 02:14:14 parsed 1 programs 2019/11/09 02:14:16 executed programs: 0 syzkaller login: [ 55.185191][ T7971] IPVS: ftp: loaded support on port[0] = 21 [ 55.237535][ T7971] chnl_net:caif_netlink_parms(): no params data found [ 55.260699][ T7971] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.269267][ T7971] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.277771][ T7971] device bridge_slave_0 entered promiscuous mode [ 55.285931][ T7971] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.293114][ T7971] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.300994][ T7971] device bridge_slave_1 entered promiscuous mode [ 55.316518][ T7971] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.326836][ T7971] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.344016][ T7971] team0: Port device team_slave_0 added [ 55.351205][ T7971] team0: Port device team_slave_1 added [ 55.396405][ T7971] device hsr_slave_0 entered promiscuous mode [ 55.474813][ T7971] device hsr_slave_1 entered promiscuous mode [ 55.596318][ T7971] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.603609][ T7971] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.611507][ T7971] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.618626][ T7971] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.787112][ T7971] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.817888][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.847241][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.886255][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.907088][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.959274][ T7971] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.015427][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.024254][ T3015] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.031370][ T3015] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.087055][ T8000] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.101457][ T8000] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.108622][ T8000] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.119001][ T8000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.127889][ T8000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.136761][ T8000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.147717][ T7971] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.160559][ T7971] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.169554][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.177317][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.191448][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.199246][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.210195][ T7971] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.213608][ T8193] kasan: CONFIG_KASAN_INLINE enabled [ 57.218922][ T8193] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 57.227212][ T8193] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 57.234134][ T8193] CPU: 0 PID: 8193 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 57.241910][ T8193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.251962][ T8193] RIP: 0010:__lock_acquire+0x86/0x1be0 [ 57.257493][ T8193] Code: 8a 04 30 84 c0 0f 85 66 12 00 00 83 3d 02 14 66 07 00 0f 84 91 12 00 00 83 3d 65 95 34 07 00 74 34 48 8b 44 24 10 48 c1 e8 03 <80> 3c 30 00 74 14 48 8b 7c 24 10 e8 ca 11 54 00 48 be 00 00 00 00 [ 57.277273][ T8193] RSP: 0018:ffff88808cba7b80 EFLAGS: 00010006 [ 57.283311][ T8193] RAX: 0000000000000218 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.291256][ T8193] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00000000000010c0 [ 57.299202][ T8193] RBP: ffff88808cba7cd8 R08: 0000000000000001 R09: 0000000000000000 [ 57.307358][ T8193] R10: fffffbfff117cc65 R11: 0000000000000000 R12: 0000000000000000 [ 57.315307][ T8193] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880946b85c0 [ 57.323260][ T8193] FS: 00007fac01888700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 57.332159][ T8193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.338715][ T8193] CR2: 000000000075c000 CR3: 00000000a00e7000 CR4: 00000000001406f0 [ 57.346661][ T8193] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.355473][ T8193] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.363773][ T8193] Call Trace: [ 57.367042][ T8193] ? mark_lock+0x107/0x1650 [ 57.371534][ T8193] ? lock_sock_nested+0xa8/0x120 [ 57.376444][ T8193] ? trace_lock_acquire+0x159/0x1d0 [ 57.381615][ T8193] lock_acquire+0x158/0x250 [ 57.386092][ T8193] ? j1939_sk_bind+0x387/0xac0 [ 57.392475][ T8193] ? j1939_sk_bind+0x387/0xac0 [ 57.397361][ T8193] _raw_spin_lock_bh+0x34/0x50 [ 57.402113][ T8193] ? j1939_sk_bind+0x387/0xac0 [ 57.406951][ T8193] j1939_sk_bind+0x387/0xac0 [ 57.411551][ T8193] __sys_bind+0x2c2/0x3a0 [ 57.416036][ T8193] ? prepare_exit_to_usermode+0x1f7/0x580 [ 57.421820][ T8193] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 57.427522][ T8193] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 57.432960][ T8193] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 57.438666][ T8193] __x64_sys_bind+0x7a/0x90 [ 57.443159][ T8193] do_syscall_64+0xf7/0x1c0 [ 57.447640][ T8193] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.453531][ T8193] RIP: 0033:0x45a219 [ 57.457443][ T8193] 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 [ 57.477038][ T8193] RSP: 002b:00007fac01887c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 57.485513][ T8193] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 57.493458][ T8193] RDX: 0000000000000018 RSI: 0000000020000040 RDI: 0000000000000003 [ 57.501663][ T8193] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 57.509633][ T8193] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac018886d4 [ 57.517580][ T8193] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 57.525539][ T8193] Modules linked in: [ 57.529417][ T8193] ---[ end trace 6eaefe547b2f3846 ]--- [ 57.534851][ T8193] RIP: 0010:__lock_acquire+0x86/0x1be0 [ 57.540277][ T8193] Code: 8a 04 30 84 c0 0f 85 66 12 00 00 83 3d 02 14 66 07 00 0f 84 91 12 00 00 83 3d 65 95 34 07 00 74 34 48 8b 44 24 10 48 c1 e8 03 <80> 3c 30 00 74 14 48 8b 7c 24 10 e8 ca 11 54 00 48 be 00 00 00 00 [ 57.560123][ T8193] RSP: 0018:ffff88808cba7b80 EFLAGS: 00010006 [ 57.566258][ T8193] RAX: 0000000000000218 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.574214][ T8193] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00000000000010c0 [ 57.582345][ T8193] RBP: ffff88808cba7cd8 R08: 0000000000000001 R09: 0000000000000000 [ 57.590412][ T8193] R10: fffffbfff117cc65 R11: 0000000000000000 R12: 0000000000000000 [ 57.598796][ T8193] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880946b85c0 [ 57.606752][ T8193] FS: 00007fac01888700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 57.615746][ T8193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.622317][ T8193] CR2: 000000000075c000 CR3: 00000000a00e7000 CR4: 00000000001406f0 [ 57.630279][ T8193] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.638238][ T8193] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.646195][ T8193] Kernel panic - not syncing: Fatal exception in interrupt [ 57.655197][ T8193] Kernel Offset: disabled [ 57.659530][ T8193] Rebooting in 86400 seconds..