[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.120889][ T24] audit: type=1800 audit(1567079913.928:25): pid=8625 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.149911][ T24] audit: type=1800 audit(1567079913.928:26): pid=8625 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.194110][ T24] audit: type=1800 audit(1567079913.928:27): pid=8625 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 '10.128.0.171' (ECDSA) to the list of known hosts. 2019/08/29 11:58:44 parsed 1 programs 2019/08/29 11:58:46 executed programs: 0 syzkaller login: [ 69.494717][ T8796] IPVS: ftp: loaded support on port[0] = 21 [ 69.555926][ T8796] chnl_net:caif_netlink_parms(): no params data found [ 69.584596][ T8796] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.592304][ T8796] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.601454][ T8796] device bridge_slave_0 entered promiscuous mode [ 69.609465][ T8796] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.617690][ T8796] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.625383][ T8796] device bridge_slave_1 entered promiscuous mode [ 69.641522][ T8796] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.652009][ T8796] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.670009][ T8796] team0: Port device team_slave_0 added [ 69.676967][ T8796] team0: Port device team_slave_1 added [ 69.752050][ T8796] device hsr_slave_0 entered promiscuous mode [ 69.819921][ T8796] device hsr_slave_1 entered promiscuous mode [ 69.878667][ T8796] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.886063][ T8796] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.893879][ T8796] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.900993][ T8796] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.933270][ T8796] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.945400][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.966008][ T3019] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.974648][ T3019] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.983460][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.995026][ T8796] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.005163][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.014145][ T3519] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.021351][ T3519] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.032958][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.042591][ T3019] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.049963][ T3019] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.066536][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.077158][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.088045][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.100661][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.113370][ T8796] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.125871][ T8796] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.134278][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.152760][ T8796] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.973346][ T8929] kasan: CONFIG_KASAN_INLINE enabled [ 70.978861][ T8929] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 70.994575][ T8929] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 71.001531][ T8929] CPU: 0 PID: 8929 Comm: syz-executor.0 Not tainted 5.3.0-rc5+ #151 [ 71.009601][ T8929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.019660][ T8929] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 71.025372][ T8929] 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 [ 71.044961][ T8929] RSP: 0018:ffff888085477b90 EFLAGS: 00010203 [ 71.051008][ T8929] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862df49b [ 71.058980][ T8929] RDX: 0000000000000002 RSI: ffffffff862df1f9 RDI: ffff8880901ab0c0 [ 71.066932][ T8929] RBP: ffff888085477c48 R08: ffff888096b1a280 R09: fffffbfff14e9551 [ 71.074899][ T8929] R10: fffffbfff14e9550 R11: ffffffff8a74aa87 R12: ffff8880901aae00 [ 71.082955][ T8929] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 71.090914][ T8929] FS: 0000555557263940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 71.099932][ T8929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.106824][ T8929] CR2: 000000000214dfd0 CR3: 000000009bc5d000 CR4: 00000000001406f0 [ 71.114784][ T8929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.122739][ T8929] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.130693][ T8929] Call Trace: [ 71.133971][ T8929] ? trace_hardirqs_on+0x67/0x240 [ 71.138977][ T8929] ? wait_on_pending_writer+0x420/0x420 [ 71.144511][ T8929] ? __local_bh_enable_ip+0x15a/0x270 [ 71.149886][ T8929] ? _raw_spin_unlock_bh+0x31/0x40 [ 71.154982][ T8929] tls_sk_proto_close+0x35b/0x990 [ 71.160008][ T8929] ? wait_on_pending_writer+0x420/0x420 [ 71.165566][ T8929] ? wait_on_pending_writer+0x420/0x420 [ 71.171099][ T8929] ? __local_bh_enable_ip+0x15a/0x270 [ 71.176457][ T8929] ? _raw_spin_unlock_bh+0x31/0x40 [ 71.181558][ T8929] ? wait_on_pending_writer+0x420/0x420 [ 71.187081][ T8929] tcp_bpf_close+0x17c/0x390 [ 71.191650][ T8929] inet_release+0xed/0x200 [ 71.196067][ T8929] inet6_release+0x53/0x80 [ 71.200482][ T8929] __sock_release+0xce/0x280 [ 71.205059][ T8929] sock_close+0x1e/0x30 [ 71.209212][ T8929] __fput+0x2ff/0x890 [ 71.213175][ T8929] ? __sock_release+0x280/0x280 [ 71.218039][ T8929] ____fput+0x16/0x20 [ 71.222026][ T8929] task_work_run+0x145/0x1c0 [ 71.226626][ T8929] exit_to_usermode_loop+0x316/0x380 [ 71.231914][ T8929] do_syscall_64+0x5a9/0x6a0 [ 71.236494][ T8929] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.242375][ T8929] RIP: 0033:0x413561 [ 71.246268][ T8929] 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 [ 71.265852][ T8929] RSP: 002b:00007ffd139c8ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 71.274263][ T8929] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413561 [ 71.282230][ T8929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 71.290180][ T8929] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 71.298132][ T8929] R10: 00007ffd139c8d80 R11: 0000000000000293 R12: 000000000075bfc8 [ 71.306085][ T8929] R13: 000000000001151d R14: 0000000000761430 R15: ffffffffffffffff [ 71.314039][ T8929] Modules linked in: [ 71.322082][ T8929] ---[ end trace 49045f8eb29bc9c8 ]--- [ 71.327559][ T8929] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 71.333611][ T8929] 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 [ 71.353510][ T8929] RSP: 0018:ffff888085477b90 EFLAGS: 00010203 [ 71.359618][ T8929] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862df49b [ 71.367631][ T8929] RDX: 0000000000000002 RSI: ffffffff862df1f9 RDI: ffff8880901ab0c0 [ 71.375629][ T8929] RBP: ffff888085477c48 R08: ffff888096b1a280 R09: fffffbfff14e9551 [ 71.383642][ T8929] R10: fffffbfff14e9550 R11: ffffffff8a74aa87 R12: ffff8880901aae00 [ 71.391659][ T8929] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 71.400951][ T8929] FS: 0000555557263940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 71.410072][ T8929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.416687][ T8929] CR2: 000000000214dfd0 CR3: 000000009bc5d000 CR4: 00000000001406f0 [ 71.425030][ T8929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.433027][ T8929] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.441031][ T8929] Kernel panic - not syncing: Fatal exception [ 71.448456][ T8929] Kernel Offset: disabled [ 71.452800][ T8929] Rebooting in 86400 seconds..