[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 55.556615][ T26] audit: type=1800 audit(1567125452.679:25): pid=8669 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.602297][ T26] audit: type=1800 audit(1567125452.679:26): pid=8669 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.643902][ T26] audit: type=1800 audit(1567125452.679:27): pid=8669 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 '10.128.0.37' (ECDSA) to the list of known hosts. 2019/08/30 00:37:44 parsed 1 programs 2019/08/30 00:37:46 executed programs: 0 syzkaller login: [ 69.585156][ T8836] IPVS: ftp: loaded support on port[0] = 21 [ 69.646420][ T8836] chnl_net:caif_netlink_parms(): no params data found [ 69.672021][ T8836] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.680104][ T8836] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.687909][ T8836] device bridge_slave_0 entered promiscuous mode [ 69.695950][ T8836] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.703144][ T8836] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.710727][ T8836] device bridge_slave_1 entered promiscuous mode [ 69.728231][ T8836] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.738764][ T8836] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.757903][ T8836] team0: Port device team_slave_0 added [ 69.764979][ T8836] team0: Port device team_slave_1 added [ 69.814173][ T8836] device hsr_slave_0 entered promiscuous mode [ 69.862647][ T8836] device hsr_slave_1 entered promiscuous mode [ 69.944045][ T8836] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.951166][ T8836] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.958924][ T8836] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.966018][ T8836] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.997322][ T8836] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.010297][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.030254][ T3006] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.038441][ T3006] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.047183][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.058798][ T8836] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.069036][ T3766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.077782][ T3766] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.085083][ T3766] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.104327][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.112993][ T3006] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.132940][ T3006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.141173][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.150088][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.159112][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.172146][ T8836] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.183951][ T8836] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.196294][ T3766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.205302][ T3766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.214282][ T3766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.229284][ T8836] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.879705][ T9069] kasan: CONFIG_KASAN_INLINE enabled [ 71.886031][ T9069] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 71.901135][ T9069] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 71.908219][ T9069] CPU: 0 PID: 9069 Comm: syz-executor.0 Not tainted 5.3.0-rc6-next-20190827 #74 [ 71.917214][ T9069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.927262][ T9069] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 71.932960][ T9069] 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 [ 71.952543][ T9069] RSP: 0018:ffff88808b8a7b90 EFLAGS: 00010203 [ 71.958603][ T9069] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff8631372b [ 71.966566][ T9069] RDX: 0000000000000002 RSI: ffffffff86313489 RDI: ffff88808e01d0c0 [ 71.974530][ T9069] RBP: ffff88808b8a7c48 R08: ffff8880860d6200 R09: fffffbfff14ed33e [ 71.982481][ T9069] R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: ffff88808e01ce00 [ 71.990432][ T9069] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 71.998393][ T9069] FS: 000055555697e940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 72.007306][ T9069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.013886][ T9069] CR2: 0000000000b297d0 CR3: 00000000969f3000 CR4: 00000000001406f0 [ 72.021868][ T9069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.029836][ T9069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.037786][ T9069] Call Trace: [ 72.041061][ T9069] ? trace_hardirqs_on+0x67/0x240 [ 72.046065][ T9069] ? wait_on_pending_writer+0x420/0x420 [ 72.051609][ T9069] ? __local_bh_enable_ip+0x15a/0x270 [ 72.056966][ T9069] ? _raw_spin_unlock_bh+0x31/0x40 [ 72.062055][ T9069] tls_sk_proto_close+0x35b/0x990 [ 72.067080][ T9069] ? wait_on_pending_writer+0x420/0x420 [ 72.072607][ T9069] ? wait_on_pending_writer+0x420/0x420 [ 72.078147][ T9069] ? __local_bh_enable_ip+0x15a/0x270 [ 72.083517][ T9069] ? _raw_spin_unlock_bh+0x31/0x40 [ 72.088621][ T9069] ? wait_on_pending_writer+0x420/0x420 [ 72.094162][ T9069] tcp_bpf_close+0x17c/0x390 [ 72.098734][ T9069] inet_release+0xed/0x200 [ 72.103126][ T9069] inet6_release+0x53/0x80 [ 72.107525][ T9069] __sock_release+0xce/0x280 [ 72.112113][ T9069] sock_close+0x1e/0x30 [ 72.116262][ T9069] __fput+0x2ff/0x890 [ 72.120234][ T9069] ? __sock_release+0x280/0x280 [ 72.125074][ T9069] ____fput+0x16/0x20 [ 72.129038][ T9069] task_work_run+0x145/0x1c0 [ 72.133730][ T9069] exit_to_usermode_loop+0x316/0x380 [ 72.138995][ T9069] do_syscall_64+0x65f/0x760 [ 72.143594][ T9069] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.149470][ T9069] RIP: 0033:0x413561 [ 72.153342][ T9069] 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 [ 72.172927][ T9069] RSP: 002b:00007fff32350180 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 72.181318][ T9069] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413561 [ 72.189270][ T9069] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 72.197222][ T9069] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 72.205190][ T9069] R10: 00007fff32350260 R11: 0000000000000293 R12: 000000000075bfc8 [ 72.213148][ T9069] R13: 00000000000118ad R14: 00000000007612f8 R15: ffffffffffffffff [ 72.221116][ T9069] Modules linked in: [ 72.227526][ T9069] ---[ end trace c27abc3a553f2b0f ]--- [ 72.233027][ T9069] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 72.238746][ T9069] 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 [ 72.258954][ T9069] RSP: 0018:ffff88808b8a7b90 EFLAGS: 00010203 [ 72.265062][ T9069] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff8631372b [ 72.273332][ T9069] RDX: 0000000000000002 RSI: ffffffff86313489 RDI: ffff88808e01d0c0 [ 72.281313][ T9069] RBP: ffff88808b8a7c48 R08: ffff8880860d6200 R09: fffffbfff14ed33e [ 72.289340][ T9069] R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: ffff88808e01ce00 [ 72.297384][ T9069] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 72.305420][ T9069] FS: 000055555697e940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 72.314478][ T9069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.321048][ T9069] CR2: 0000000000b297d0 CR3: 00000000969f3000 CR4: 00000000001406f0 [ 72.329242][ T9069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.339849][ T9069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.347850][ T9069] Kernel panic - not syncing: Fatal exception [ 72.355047][ T9069] Kernel Offset: disabled [ 72.359372][ T9069] Rebooting in 86400 seconds..