[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.965249][ T24] audit: type=1800 audit(1567199025.168:25): pid=9062 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.992777][ T24] audit: type=1800 audit(1567199025.168:26): pid=9062 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 61.034336][ T24] audit: type=1800 audit(1567199025.168:27): pid=9062 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 '10.128.0.73' (ECDSA) to the list of known hosts. 2019/08/30 21:03:56 parsed 1 programs 2019/08/30 21:03:58 executed programs: 0 syzkaller login: [ 74.426838][ T9230] IPVS: ftp: loaded support on port[0] = 21 [ 74.511657][ T9230] chnl_net:caif_netlink_parms(): no params data found [ 74.541614][ T9230] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.549553][ T9230] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.557949][ T9230] device bridge_slave_0 entered promiscuous mode [ 74.566615][ T9230] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.573917][ T9230] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.581744][ T9230] device bridge_slave_1 entered promiscuous mode [ 74.600485][ T9230] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.612186][ T9230] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.632045][ T9230] team0: Port device team_slave_0 added [ 74.639200][ T9230] team0: Port device team_slave_1 added [ 74.722666][ T9230] device hsr_slave_0 entered promiscuous mode [ 74.760888][ T9230] device hsr_slave_1 entered promiscuous mode [ 74.819747][ T9230] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.827371][ T9230] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.835585][ T9230] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.842875][ T9230] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.878777][ T9230] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.895146][ T3576] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.906425][ T3576] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.915775][ T3576] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.924363][ T3576] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.937108][ T9230] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.949643][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.958626][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.965960][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.993155][ T3576] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.002018][ T3576] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.009223][ T3576] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.017788][ T3576] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.026666][ T3576] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.036104][ T3576] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.044584][ T3576] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.053661][ T3576] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.063022][ T9230] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.085049][ T9230] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.439969][ T9629] kasan: CONFIG_KASAN_INLINE enabled [ 78.448173][ T9629] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 78.457151][ T9629] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 78.464147][ T9629] CPU: 0 PID: 9629 Comm: syz-executor.0 Not tainted 5.3.0-rc5+ #151 [ 78.472112][ T9629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.482182][ T9629] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 78.488101][ T9629] 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 [ 78.507705][ T9629] RSP: 0018:ffff888089b47b90 EFLAGS: 00010203 [ 78.513853][ T9629] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862df49b [ 78.521933][ T9629] RDX: 0000000000000002 RSI: ffffffff862df1f9 RDI: ffff88809cfbef40 [ 78.529908][ T9629] RBP: ffff888089b47c48 R08: ffff888091dc83c0 R09: fffffbfff14e9551 [ 78.538011][ T9629] R10: fffffbfff14e9550 R11: ffffffff8a74aa87 R12: ffff88809cfbec80 [ 78.546075][ T9629] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 78.554245][ T9629] FS: 0000555555953940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.563168][ T9629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.569764][ T9629] CR2: 00007f12f0254db8 CR3: 000000008a8a3000 CR4: 00000000001406f0 [ 78.577733][ T9629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.585723][ T9629] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.593686][ T9629] Call Trace: [ 78.596981][ T9629] ? trace_hardirqs_on+0x67/0x240 [ 78.602007][ T9629] ? wait_on_pending_writer+0x420/0x420 [ 78.607549][ T9629] ? __local_bh_enable_ip+0x15a/0x270 [ 78.612914][ T9629] ? _raw_spin_unlock_bh+0x31/0x40 [ 78.618061][ T9629] tls_sk_proto_close+0x35b/0x990 [ 78.623093][ T9629] ? wait_on_pending_writer+0x420/0x420 [ 78.628694][ T9629] ? wait_on_pending_writer+0x420/0x420 [ 78.634243][ T9629] ? __local_bh_enable_ip+0x15a/0x270 [ 78.639615][ T9629] ? _raw_spin_unlock_bh+0x31/0x40 [ 78.644723][ T9629] ? wait_on_pending_writer+0x420/0x420 [ 78.650268][ T9629] tcp_bpf_close+0x17c/0x390 [ 78.654858][ T9629] inet_release+0xed/0x200 [ 78.659366][ T9629] inet6_release+0x53/0x80 [ 78.663782][ T9629] __sock_release+0xce/0x280 [ 78.668367][ T9629] sock_close+0x1e/0x30 [ 78.672544][ T9629] __fput+0x2ff/0x890 [ 78.676546][ T9629] ? __sock_release+0x280/0x280 [ 78.681404][ T9629] ____fput+0x16/0x20 [ 78.685524][ T9629] task_work_run+0x145/0x1c0 [ 78.690118][ T9629] exit_to_usermode_loop+0x316/0x380 [ 78.695544][ T9629] do_syscall_64+0x5a9/0x6a0 [ 78.700125][ T9629] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.706019][ T9629] RIP: 0033:0x413561 [ 78.709913][ T9629] 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 [ 78.729654][ T9629] RSP: 002b:00007fff3d416fc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 78.738083][ T9629] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413561 [ 78.746060][ T9629] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000005 [ 78.754026][ T9629] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 78.761984][ T9629] R10: 00007fff3d4170a0 R11: 0000000000000293 R12: 000000000075bfc8 [ 78.770212][ T9629] R13: 000000000001324d R14: 0000000000761550 R15: ffffffffffffffff [ 78.778270][ T9629] Modules linked in: [ 78.784021][ T9629] ---[ end trace e7b3b7d9448f5343 ]--- [ 78.789524][ T9629] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 78.795691][ T9629] 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 [ 78.815433][ T9629] RSP: 0018:ffff888089b47b90 EFLAGS: 00010203 [ 78.821608][ T9629] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862df49b [ 78.829596][ T9629] RDX: 0000000000000002 RSI: ffffffff862df1f9 RDI: ffff88809cfbef40 [ 78.837617][ T9629] RBP: ffff888089b47c48 R08: ffff888091dc83c0 R09: fffffbfff14e9551 [ 78.845659][ T9629] R10: fffffbfff14e9550 R11: ffffffff8a74aa87 R12: ffff88809cfbec80 [ 78.853678][ T9629] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 78.861849][ T9629] FS: 0000555555953940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.870840][ T9629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.877442][ T9629] CR2: 00007f12f0254db8 CR3: 000000008a8a3000 CR4: 00000000001406f0 [ 78.885488][ T9629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.893508][ T9629] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.901538][ T9629] Kernel panic - not syncing: Fatal exception [ 78.909335][ T9629] Kernel Offset: disabled [ 78.913685][ T9629] Rebooting in 86400 seconds..