[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.844270][ T26] audit: type=1800 audit(1566973372.658:25): pid=8523 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.889082][ T26] audit: type=1800 audit(1566973372.658:26): pid=8523 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.926795][ T26] audit: type=1800 audit(1566973372.668:27): pid=8523 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 '10.128.1.52' (ECDSA) to the list of known hosts. 2019/08/28 06:23:03 parsed 1 programs 2019/08/28 06:23:04 executed programs: 0 syzkaller login: [ 72.984222][ T8692] IPVS: ftp: loaded support on port[0] = 21 [ 73.046841][ T8692] chnl_net:caif_netlink_parms(): no params data found [ 73.073881][ T8692] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.081298][ T8692] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.089264][ T8692] device bridge_slave_0 entered promiscuous mode [ 73.097263][ T8692] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.104433][ T8692] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.112243][ T8692] device bridge_slave_1 entered promiscuous mode [ 73.128812][ T8692] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.140345][ T8692] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.159323][ T8692] team0: Port device team_slave_0 added [ 73.166494][ T8692] team0: Port device team_slave_1 added [ 73.224223][ T8692] device hsr_slave_0 entered promiscuous mode [ 73.262341][ T8692] device hsr_slave_1 entered promiscuous mode [ 73.310636][ T8692] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.317979][ T8692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.325962][ T8692] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.333025][ T8692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.365750][ T8692] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.378144][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.388072][ T2999] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.396281][ T2999] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.404296][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.416186][ T8692] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.427003][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.436114][ T2805] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.443217][ T2805] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.464336][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.480405][ T2999] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.487656][ T2999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.496214][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.505208][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.513618][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.522146][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.533370][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.544798][ T8692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.565296][ T8692] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.738538][ T8711] kasan: CONFIG_KASAN_INLINE enabled [ 73.744628][ T8711] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 73.753900][ T8711] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 73.760854][ T8711] CPU: 0 PID: 8711 Comm: syz-executor.0 Not tainted 5.3.0-rc6-next-20190827 #74 [ 73.769892][ T8711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.779939][ T8711] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 73.785732][ T8711] 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 [ 73.805329][ T8711] RSP: 0018:ffff8880a5a17960 EFLAGS: 00010203 [ 73.811375][ T8711] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff8631372b [ 73.819328][ T8711] RDX: 0000000000000002 RSI: ffffffff86313489 RDI: ffff8880a4318300 [ 73.827370][ T8711] RBP: ffff8880a5a17a18 R08: ffff888091ef6140 R09: fffffbfff14ed33e [ 73.835325][ T8711] R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: ffff8880a4318040 [ 73.843274][ T8711] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 73.851265][ T8711] FS: 00007fc9cacc0700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 73.860173][ T8711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.866734][ T8711] CR2: 00007fc9cac9edb8 CR3: 00000000a8d6b000 CR4: 00000000001406f0 [ 73.874691][ T8711] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.882638][ T8711] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.890584][ T8711] Call Trace: [ 73.893905][ T8711] ? trace_hardirqs_on+0x67/0x240 [ 73.898926][ T8711] ? wait_on_pending_writer+0x420/0x420 [ 73.904464][ T8711] ? __local_bh_enable_ip+0x15a/0x270 [ 73.909814][ T8711] ? _raw_spin_unlock_bh+0x31/0x40 [ 73.914991][ T8711] tls_sk_proto_close+0x35b/0x990 [ 73.919993][ T8711] ? wait_on_pending_writer+0x420/0x420 [ 73.925522][ T8711] ? wait_on_pending_writer+0x420/0x420 [ 73.931047][ T8711] ? __local_bh_enable_ip+0x15a/0x270 [ 73.936398][ T8711] ? _raw_spin_unlock_bh+0x31/0x40 [ 73.941485][ T8711] ? wait_on_pending_writer+0x420/0x420 [ 73.947027][ T8711] tcp_bpf_close+0x17c/0x390 [ 73.951622][ T8711] inet_release+0xed/0x200 [ 73.956038][ T8711] inet6_release+0x53/0x80 [ 73.960435][ T8711] __sock_release+0xce/0x280 [ 73.965042][ T8711] sock_close+0x1e/0x30 [ 73.969175][ T8711] __fput+0x2ff/0x890 [ 73.973147][ T8711] ? __sock_release+0x280/0x280 [ 73.977976][ T8711] ____fput+0x16/0x20 [ 73.981942][ T8711] task_work_run+0x145/0x1c0 [ 73.986537][ T8711] get_signal+0x2078/0x2500 [ 73.991039][ T8711] ? __do_sys_bpf+0x74d/0x3350 [ 73.995802][ T8711] do_signal+0x87/0x1700 [ 74.000025][ T8711] ? __kasan_check_read+0x11/0x20 [ 74.005078][ T8711] ? _copy_to_user+0x118/0x160 [ 74.009828][ T8711] ? setup_sigcontext+0x7d0/0x7d0 [ 74.014850][ T8711] ? put_timespec64+0xda/0x140 [ 74.019627][ T8711] ? nsecs_to_jiffies+0x30/0x30 [ 74.024469][ T8711] ? exit_to_usermode_loop+0x43/0x380 [ 74.029823][ T8711] ? do_syscall_64+0x65f/0x760 [ 74.034563][ T8711] ? exit_to_usermode_loop+0x43/0x380 [ 74.039917][ T8711] ? lockdep_hardirqs_on+0x418/0x5d0 [ 74.045184][ T8711] ? trace_hardirqs_on+0x67/0x240 [ 74.050297][ T8711] exit_to_usermode_loop+0x286/0x380 [ 74.055572][ T8711] do_syscall_64+0x65f/0x760 [ 74.060140][ T8711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.066006][ T8711] RIP: 0033:0x459879 [ 74.069886][ T8711] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.089467][ T8711] RSP: 002b:00007fc9cacbfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 74.097862][ T8711] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000459879 [ 74.105833][ T8711] RDX: 000000000000002c RSI: 0000000020003000 RDI: 0000000000000002 [ 74.113835][ T8711] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 74.121806][ T8711] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9cacc06d4 [ 74.129760][ T8711] R13: 00000000004bfc3a R14: 00000000004d1900 R15: 00000000ffffffff [ 74.137713][ T8711] Modules linked in: [ 74.144607][ T8711] ---[ end trace 2628c6128699e356 ]--- [ 74.150097][ T8711] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 74.155901][ T8711] 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 [ 74.175541][ T8711] RSP: 0018:ffff8880a5a17960 EFLAGS: 00010203 [ 74.181599][ T8711] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff8631372b [ 74.190184][ T8711] RDX: 0000000000000002 RSI: ffffffff86313489 RDI: ffff8880a4318300 [ 74.198194][ T8711] RBP: ffff8880a5a17a18 R08: ffff888091ef6140 R09: fffffbfff14ed33e [ 74.206200][ T8711] R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: ffff8880a4318040 [ 74.214182][ T8711] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 74.222170][ T8711] FS: 00007fc9cacc0700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 74.231104][ T8711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.237706][ T8711] CR2: 00007fc9cac9edb8 CR3: 00000000a8d6b000 CR4: 00000000001406f0 [ 74.245686][ T8711] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.253665][ T8711] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.261639][ T8711] Kernel panic - not syncing: Fatal exception [ 74.268976][ T8711] Kernel Offset: disabled [ 74.273312][ T8711] Rebooting in 86400 seconds..