[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.669252][ T26] audit: type=1800 audit(1567125467.253:25): pid=8556 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.691595][ T26] audit: type=1800 audit(1567125467.263:26): pid=8556 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.712146][ T26] audit: type=1800 audit(1567125467.263:27): pid=8556 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 '10.128.0.77' (ECDSA) to the list of known hosts. 2019/08/30 00:37:57 parsed 1 programs 2019/08/30 00:37:59 executed programs: 0 syzkaller login: [ 67.874686][ T8724] IPVS: ftp: loaded support on port[0] = 21 [ 67.936193][ T8724] chnl_net:caif_netlink_parms(): no params data found [ 67.963563][ T8724] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.971094][ T8724] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.978727][ T8724] device bridge_slave_0 entered promiscuous mode [ 67.986701][ T8724] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.993874][ T8724] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.002414][ T8724] device bridge_slave_1 entered promiscuous mode [ 68.018650][ T8724] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.029606][ T8724] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.047882][ T8724] team0: Port device team_slave_0 added [ 68.055073][ T8724] team0: Port device team_slave_1 added [ 68.113163][ T8724] device hsr_slave_0 entered promiscuous mode [ 68.161353][ T8724] device hsr_slave_1 entered promiscuous mode [ 68.218587][ T8724] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.225773][ T8724] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.233727][ T8724] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.240772][ T8724] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.275052][ T8724] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.286110][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.307340][ T3519] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.315633][ T3519] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.324608][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.335568][ T8724] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.345796][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.354499][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.361585][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.382194][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.390583][ T3519] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.397691][ T3519] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.405737][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.414539][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.422893][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.432400][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.443371][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.453996][ T8724] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.470190][ T8724] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.207117][ T8985] kasan: CONFIG_KASAN_INLINE enabled [ 70.214229][ T8985] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 70.230046][ T8985] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 70.237010][ T8985] CPU: 0 PID: 8985 Comm: syz-executor.0 Not tainted 5.3.0-rc5+ #151 [ 70.244961][ T8985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.255027][ T8985] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 70.260731][ T8985] 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 [ 70.280330][ T8985] RSP: 0018:ffff888098137b90 EFLAGS: 00010203 [ 70.286563][ T8985] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862df49b [ 70.294531][ T8985] RDX: 0000000000000002 RSI: ffffffff862df1f9 RDI: ffff88809d2fb180 [ 70.302496][ T8985] RBP: ffff888098137c48 R08: ffff8880898c86c0 R09: fffffbfff14e9551 [ 70.310627][ T8985] R10: fffffbfff14e9550 R11: ffffffff8a74aa87 R12: ffff88809d2faec0 [ 70.318583][ T8985] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 70.326535][ T8985] FS: 000055555612e940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 70.335616][ T8985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.342177][ T8985] CR2: 00000000023c5fd0 CR3: 000000009a182000 CR4: 00000000001406f0 [ 70.350128][ T8985] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.358187][ T8985] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.366132][ T8985] Call Trace: [ 70.369408][ T8985] ? trace_hardirqs_on+0x67/0x240 [ 70.374411][ T8985] ? wait_on_pending_writer+0x420/0x420 [ 70.380115][ T8985] ? __local_bh_enable_ip+0x15a/0x270 [ 70.385488][ T8985] ? _raw_spin_unlock_bh+0x31/0x40 [ 70.390607][ T8985] tls_sk_proto_close+0x35b/0x990 [ 70.395620][ T8985] ? wait_on_pending_writer+0x420/0x420 [ 70.401246][ T8985] ? wait_on_pending_writer+0x420/0x420 [ 70.406769][ T8985] ? __local_bh_enable_ip+0x15a/0x270 [ 70.412150][ T8985] ? _raw_spin_unlock_bh+0x31/0x40 [ 70.417240][ T8985] ? wait_on_pending_writer+0x420/0x420 [ 70.422765][ T8985] tcp_bpf_close+0x17c/0x390 [ 70.427333][ T8985] inet_release+0xed/0x200 [ 70.431738][ T8985] inet6_release+0x53/0x80 [ 70.436130][ T8985] __sock_release+0xce/0x280 [ 70.440695][ T8985] sock_close+0x1e/0x30 [ 70.444830][ T8985] __fput+0x2ff/0x890 [ 70.448790][ T8985] ? __sock_release+0x280/0x280 [ 70.453622][ T8985] ____fput+0x16/0x20 [ 70.457611][ T8985] task_work_run+0x145/0x1c0 [ 70.462204][ T8985] exit_to_usermode_loop+0x316/0x380 [ 70.467469][ T8985] do_syscall_64+0x5a9/0x6a0 [ 70.472149][ T8985] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.478014][ T8985] RIP: 0033:0x413561 [ 70.481915][ T8985] Code: 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 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 70.501507][ T8985] RSP: 002b:00007ffd320a4280 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 70.509894][ T8985] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413561 [ 70.517840][ T8985] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000005 [ 70.525786][ T8985] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 70.533736][ T8985] R10: 00007ffd320a4360 R11: 0000000000000293 R12: 000000000075bfc8 [ 70.541772][ T8985] R13: 0000000000011229 R14: 00000000007612f8 R15: ffffffffffffffff [ 70.549727][ T8985] Modules linked in: [ 70.555114][ T8985] ---[ end trace f0de83ec4621d00d ]--- [ 70.560582][ T8985] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 70.566348][ T8985] 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 [ 70.586167][ T8985] RSP: 0018:ffff888098137b90 EFLAGS: 00010203 [ 70.592497][ T8985] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862df49b [ 70.600461][ T8985] RDX: 0000000000000002 RSI: ffffffff862df1f9 RDI: ffff88809d2fb180 [ 70.608446][ T8985] RBP: ffff888098137c48 R08: ffff8880898c86c0 R09: fffffbfff14e9551 [ 70.616428][ T8985] R10: fffffbfff14e9550 R11: ffffffff8a74aa87 R12: ffff88809d2faec0 [ 70.624412][ T8985] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 70.632409][ T8985] FS: 000055555612e940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 70.641344][ T8985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.647916][ T8985] CR2: 00000000023c5fd0 CR3: 000000009a182000 CR4: 00000000001406f0 [ 70.655900][ T8985] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.664455][ T8985] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.672475][ T8985] Kernel panic - not syncing: Fatal exception [ 70.679892][ T8985] Kernel Offset: disabled [ 70.684215][ T8985] Rebooting in 86400 seconds..