[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.494759][ T26] audit: type=1800 audit(1567202388.657:25): pid=8507 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.530715][ T26] audit: type=1800 audit(1567202388.657:26): pid=8507 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.571852][ T26] audit: type=1800 audit(1567202388.657:27): pid=8507 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 '10.128.1.55' (ECDSA) to the list of known hosts. 2019/08/30 21:59:59 parsed 1 programs 2019/08/30 22:00:01 executed programs: 0 syzkaller login: [ 70.804172][ T8673] IPVS: ftp: loaded support on port[0] = 21 [ 70.867949][ T8673] chnl_net:caif_netlink_parms(): no params data found [ 70.897358][ T8673] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.906247][ T8673] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.914784][ T8673] device bridge_slave_0 entered promiscuous mode [ 70.923615][ T8673] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.930837][ T8673] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.938558][ T8673] device bridge_slave_1 entered promiscuous mode [ 70.956099][ T8673] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.967219][ T8673] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.986542][ T8673] team0: Port device team_slave_0 added [ 70.993914][ T8673] team0: Port device team_slave_1 added [ 71.043442][ T8673] device hsr_slave_0 entered promiscuous mode [ 71.091128][ T8673] device hsr_slave_1 entered promiscuous mode [ 71.179163][ T8673] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.186583][ T8673] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.194707][ T8673] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.201999][ T8673] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.238999][ T8673] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.253425][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.264289][ T2944] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.272831][ T2944] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.285148][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.298890][ T8673] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.310120][ T3559] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.319051][ T3559] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.326186][ T3559] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.350001][ T8673] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.361678][ T8673] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.374710][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.384150][ T2944] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.391289][ T2944] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.399710][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.408984][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.417447][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.426452][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.434884][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.442654][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.461756][ T8673] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.124187][ T8884] kasan: CONFIG_KASAN_INLINE enabled [ 73.131211][ T8884] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 73.139545][ T8884] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 73.146920][ T8884] CPU: 1 PID: 8884 Comm: syz-executor.0 Not tainted 5.3.0-rc6-next-20190827 #74 [ 73.156141][ T8884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.166383][ T8884] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 73.172130][ T8884] 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 [ 73.192376][ T8884] RSP: 0018:ffff8880a97efb90 EFLAGS: 00010203 [ 73.198447][ T8884] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff8631372b [ 73.206429][ T8884] RDX: 0000000000000002 RSI: ffffffff86313489 RDI: ffff88808c30b040 [ 73.214981][ T8884] RBP: ffff8880a97efc48 R08: ffff88809cade4c0 R09: fffffbfff14ed33e [ 73.222961][ T8884] R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: ffff88808c30ad80 [ 73.231037][ T8884] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 73.239451][ T8884] FS: 0000555557155940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 73.248521][ T8884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.255116][ T8884] CR2: 00007fc11425a000 CR3: 00000000a87fc000 CR4: 00000000001406e0 [ 73.263258][ T8884] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.271477][ T8884] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.279449][ T8884] Call Trace: [ 73.282832][ T8884] ? trace_hardirqs_on+0x67/0x240 [ 73.287862][ T8884] ? wait_on_pending_writer+0x420/0x420 [ 73.293669][ T8884] ? __local_bh_enable_ip+0x15a/0x270 [ 73.299218][ T8884] ? _raw_spin_unlock_bh+0x31/0x40 [ 73.304623][ T8884] tls_sk_proto_close+0x35b/0x990 [ 73.310457][ T8884] ? wait_on_pending_writer+0x420/0x420 [ 73.317416][ T8884] ? wait_on_pending_writer+0x420/0x420 [ 73.323458][ T8884] ? __local_bh_enable_ip+0x15a/0x270 [ 73.328967][ T8884] ? _raw_spin_unlock_bh+0x31/0x40 [ 73.334092][ T8884] ? wait_on_pending_writer+0x420/0x420 [ 73.339659][ T8884] tcp_bpf_close+0x17c/0x390 [ 73.345792][ T8884] inet_release+0xed/0x200 [ 73.350234][ T8884] inet6_release+0x53/0x80 [ 73.354750][ T8884] __sock_release+0xce/0x280 [ 73.360322][ T8884] sock_close+0x1e/0x30 [ 73.365355][ T8884] __fput+0x2ff/0x890 [ 73.369536][ T8884] ? __sock_release+0x280/0x280 [ 73.376197][ T8884] ____fput+0x16/0x20 [ 73.380893][ T8884] task_work_run+0x145/0x1c0 [ 73.386408][ T8884] exit_to_usermode_loop+0x316/0x380 [ 73.391840][ T8884] do_syscall_64+0x65f/0x760 [ 73.396520][ T8884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.402399][ T8884] RIP: 0033:0x413561 [ 73.406303][ T8884] 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 [ 73.425906][ T8884] RSP: 002b:00007ffcfd9b04f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 73.434570][ T8884] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413561 [ 73.442573][ T8884] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000005 [ 73.450543][ T8884] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 73.458533][ T8884] R10: 00007ffcfd9b05d0 R11: 0000000000000293 R12: 000000000075bfc8 [ 73.466586][ T8884] R13: 0000000000011d79 R14: 0000000000761550 R15: ffffffffffffffff [ 73.474559][ T8884] Modules linked in: [ 73.479958][ T8884] ---[ end trace 84476b36cb82bbc9 ]--- [ 73.485533][ T8884] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 73.491987][ T8884] 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 [ 73.516453][ T8884] RSP: 0018:ffff8880a97efb90 EFLAGS: 00010203 [ 73.524057][ T8884] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff8631372b [ 73.532528][ T8884] RDX: 0000000000000002 RSI: ffffffff86313489 RDI: ffff88808c30b040 [ 73.540669][ T8884] RBP: ffff8880a97efc48 R08: ffff88809cade4c0 R09: fffffbfff14ed33e [ 73.549373][ T8884] R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: ffff88808c30ad80 [ 73.557725][ T8884] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 73.565933][ T8884] FS: 0000555557155940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 73.575002][ T8884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.581734][ T8884] CR2: 00007fc11425a000 CR3: 00000000a87fc000 CR4: 00000000001406e0 [ 73.589889][ T8884] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.598283][ T8884] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.608016][ T8884] Kernel panic - not syncing: Fatal exception [ 73.615754][ T8884] Kernel Offset: disabled [ 73.620087][ T8884] Rebooting in 86400 seconds..