[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 55.862086][ T26] audit: type=1800 audit(1566968399.251:25): pid=8724 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.883734][ T26] audit: type=1800 audit(1566968399.261:26): pid=8724 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.904712][ T26] audit: type=1800 audit(1566968399.261:27): pid=8724 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[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. 2019/08/28 05:00:12 parsed 1 programs 2019/08/28 05:00:14 executed programs: 0 syzkaller login: [ 70.686764][ T8892] IPVS: ftp: loaded support on port[0] = 21 [ 70.750132][ T8892] chnl_net:caif_netlink_parms(): no params data found [ 70.779640][ T8892] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.787408][ T8892] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.796292][ T8892] device bridge_slave_0 entered promiscuous mode [ 70.805094][ T8892] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.812373][ T8892] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.821504][ T8892] device bridge_slave_1 entered promiscuous mode [ 70.838856][ T8892] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.851998][ T8892] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.874036][ T8892] team0: Port device team_slave_0 added [ 70.881423][ T8892] team0: Port device team_slave_1 added [ 70.946249][ T8892] device hsr_slave_0 entered promiscuous mode [ 70.994659][ T8892] device hsr_slave_1 entered promiscuous mode [ 71.052712][ T8892] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.060021][ T8892] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.067874][ T8892] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.074995][ T8892] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.110767][ T8892] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.126238][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.147389][ T3503] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.156642][ T3503] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.165777][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.177698][ T8892] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.190586][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.199516][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.206619][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.226504][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.235098][ T3503] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.242252][ T3503] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.250526][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.259356][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.269622][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.279558][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.291528][ T8894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.302591][ T8892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.322207][ T8892] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.439448][ T8902] kasan: CONFIG_KASAN_INLINE enabled [ 71.445563][ T8902] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 71.453765][ T8902] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 71.460828][ T8902] CPU: 0 PID: 8902 Comm: syz-executor.0 Not tainted 5.3.0-rc6-next-20190827 #74 [ 71.470184][ T8902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.480239][ T8902] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 71.486081][ T8902] Code: 0f 85 3f 08 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 85 50 ff ff ff 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 2e 06 00 00 [ 71.505686][ T8902] RSP: 0018:ffff88808e2afb90 EFLAGS: 00010203 [ 71.511733][ T8902] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff8631372b [ 71.519684][ T8902] RDX: 0000000000000002 RSI: ffffffff86313489 RDI: ffff888086876f00 [ 71.528173][ T8902] RBP: ffff88808e2afc48 R08: ffff88808f3741c0 R09: fffffbfff14ed33e [ 71.536124][ T8902] R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: ffff888086876c40 [ 71.544080][ T8902] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 71.552051][ T8902] FS: 000055555580f940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 71.561241][ T8902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.567813][ T8902] CR2: 0000000000780000 CR3: 000000009b810000 CR4: 00000000001406f0 [ 71.575781][ T8902] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.583736][ T8902] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.591682][ T8902] Call Trace: [ 71.594975][ T8902] ? trace_hardirqs_on+0x67/0x240 [ 71.599980][ T8902] ? wait_on_pending_writer+0x420/0x420 [ 71.605686][ T8902] ? __local_bh_enable_ip+0x15a/0x270 [ 71.611039][ T8902] ? _raw_spin_unlock_bh+0x31/0x40 [ 71.616225][ T8902] tls_sk_proto_close+0x35b/0x990 [ 71.621243][ T8902] ? wait_on_pending_writer+0x420/0x420 [ 71.626767][ T8902] ? wait_on_pending_writer+0x420/0x420 [ 71.632294][ T8902] ? __local_bh_enable_ip+0x15a/0x270 [ 71.637659][ T8902] ? _raw_spin_unlock_bh+0x31/0x40 [ 71.642833][ T8902] ? wait_on_pending_writer+0x420/0x420 [ 71.648368][ T8902] tcp_bpf_close+0x17c/0x390 [ 71.652937][ T8902] inet_release+0xed/0x200 [ 71.657365][ T8902] inet6_release+0x53/0x80 [ 71.661758][ T8902] __sock_release+0xce/0x280 [ 71.666331][ T8902] sock_close+0x1e/0x30 [ 71.670471][ T8902] __fput+0x2ff/0x890 [ 71.674598][ T8902] ? __sock_release+0x280/0x280 [ 71.679436][ T8902] ____fput+0x16/0x20 [ 71.683401][ T8902] task_work_run+0x145/0x1c0 [ 71.688067][ T8902] exit_to_usermode_loop+0x316/0x380 [ 71.693421][ T8902] do_syscall_64+0x65f/0x760 [ 71.697995][ T8902] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.703864][ T8902] RIP: 0033:0x413540 [ 71.707742][ T8902] Code: 01 f0 ff ff 0f 83 30 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 4d 2d 66 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 71.727659][ T8902] RSP: 002b:00007fff6e429f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 71.736062][ T8902] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413540 [ 71.744860][ T8902] RDX: 0000001b2f720000 RSI: 0000000000000000 RDI: 0000000000000005 [ 71.753420][ T8902] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 71.761385][ T8902] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20 [ 71.769348][ T8902] R13: 0000000000000003 R14: 0000000000761178 R15: ffffffffffffffff [ 71.777706][ T8902] Modules linked in: [ 71.784365][ T8902] ---[ end trace c9ab6f9ee4a2b697 ]--- [ 71.789983][ T8902] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 71.797279][ T8902] Code: 0f 85 3f 08 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 85 50 ff ff ff 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 2e 06 00 00 [ 71.817999][ T8902] RSP: 0018:ffff88808e2afb90 EFLAGS: 00010203 [ 71.824604][ T8902] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff8631372b [ 71.832686][ T8902] RDX: 0000000000000002 RSI: ffffffff86313489 RDI: ffff888086876f00 [ 71.841015][ T8902] RBP: ffff88808e2afc48 R08: ffff88808f3741c0 R09: fffffbfff14ed33e [ 71.849213][ T8902] R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: ffff888086876c40 [ 71.858039][ T8902] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 71.866217][ T8902] FS: 000055555580f940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 71.875789][ T8902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.882365][ T8902] CR2: 00000000025f0fd0 CR3: 000000009b810000 CR4: 00000000001406e0 [ 71.890695][ T8902] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.898722][ T8902] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.907041][ T8902] Kernel panic - not syncing: Fatal exception [ 71.914275][ T8902] Kernel Offset: disabled [ 71.919239][ T8902] Rebooting in 86400 seconds..