[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.930552][ T26] audit: type=1800 audit(1567201098.706:25): pid=8734 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.966549][ T26] audit: type=1800 audit(1567201098.716:26): pid=8734 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.994087][ T26] audit: type=1800 audit(1567201098.716:27): pid=8734 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.0.5' (ECDSA) to the list of known hosts. 2019/08/30 21:38:27 parsed 1 programs 2019/08/30 21:38:29 executed programs: 0 syzkaller login: [ 58.523522][ T8898] IPVS: ftp: loaded support on port[0] = 21 [ 58.560302][ T8898] chnl_net:caif_netlink_parms(): no params data found [ 58.578669][ T8898] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.586486][ T8898] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.593923][ T8898] device bridge_slave_0 entered promiscuous mode [ 58.600800][ T8898] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.608005][ T8898] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.615430][ T8898] device bridge_slave_1 entered promiscuous mode [ 58.626914][ T8898] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.636814][ T8898] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.650262][ T8898] team0: Port device team_slave_0 added [ 58.656723][ T8898] team0: Port device team_slave_1 added [ 58.712391][ T8898] device hsr_slave_0 entered promiscuous mode [ 58.771440][ T8898] device hsr_slave_1 entered promiscuous mode [ 58.835189][ T8898] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.842248][ T8898] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.849472][ T8898] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.856515][ T8898] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.876388][ T8898] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.885093][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.904046][ T3025] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.911433][ T3025] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.918785][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.928658][ T8898] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.936935][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.945184][ T2930] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.952223][ T2930] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.960890][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.969341][ T3025] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.976387][ T3025] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.990628][ T8898] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.001649][ T8898] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.013061][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.021448][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.029487][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.037531][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.045969][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.053657][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.066148][ T8898] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.149202][ T9232] kasan: CONFIG_KASAN_INLINE enabled [ 60.154555][ T9232] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 60.164767][ T9232] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 60.171700][ T9232] CPU: 1 PID: 9232 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #94 [ 60.179560][ T9232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.189591][ T9232] RIP: 0010:tls_sk_proto_close+0xa2/0x730 [ 60.195277][ T9232] Code: 80 3c 08 00 74 08 48 89 df e8 9a 2c 3a fb 4c 8b 33 49 8d 5f 14 48 89 d9 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 48 89 4d b0 <8a> 04 01 84 c0 0f 85 62 05 00 00 48 89 5d b8 0f b6 1b 83 e3 07 bf [ 60.214843][ T9232] RSP: 0018:ffff888089ff7b90 EFLAGS: 00010203 [ 60.220871][ T9232] RAX: dffffc0000000000 RBX: 0000000000000014 RCX: 0000000000000002 [ 60.228823][ T9232] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880994e0e40 [ 60.236781][ T9232] RBP: ffff888089ff7c00 R08: ffffffff86725aa1 R09: ffffed101329c1da [ 60.244718][ T9232] R10: ffffed101329c1da R11: 0000000000000000 R12: ffff88809fdc97c0 [ 60.252653][ T9232] R13: ffff8880994e0e40 R14: 7fffffffffffffff R15: 0000000000000000 [ 60.260593][ T9232] FS: 0000555555c87940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 60.269501][ T9232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.276048][ T9232] CR2: 0000000000000000 CR3: 0000000095758000 CR4: 00000000001406e0 [ 60.283987][ T9232] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.291923][ T9232] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.299966][ T9232] Call Trace: [ 60.303223][ T9232] ? _raw_spin_unlock_bh+0x34/0x40 [ 60.308297][ T9232] ? release_sock+0x179/0x1d0 [ 60.312940][ T9232] tls_sk_proto_close+0x4f4/0x730 [ 60.317927][ T9232] ? release_sock+0x179/0x1d0 [ 60.322579][ T9232] ? tls_getsockopt+0x740/0x740 [ 60.327407][ T9232] tcp_bpf_close+0x225/0x2f0 [ 60.331974][ T9232] inet_release+0x165/0x1c0 [ 60.336446][ T9232] inet6_release+0x57/0x70 [ 60.340827][ T9232] sock_close+0xe1/0x260 [ 60.345036][ T9232] ? sock_mmap+0xa0/0xa0 [ 60.349259][ T9232] __fput+0x2e4/0x740 [ 60.353209][ T9232] ____fput+0x15/0x20 [ 60.357167][ T9232] task_work_run+0x17e/0x1b0 [ 60.361726][ T9232] prepare_exit_to_usermode+0x459/0x580 [ 60.367242][ T9232] syscall_return_slowpath+0x113/0x4a0 [ 60.372667][ T9232] do_syscall_64+0x126/0x140 [ 60.377223][ T9232] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.383080][ T9232] RIP: 0033:0x413561 [ 60.386938][ T9232] 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 [ 60.406504][ T9232] RSP: 002b:00007ffd833f09a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 60.414885][ T9232] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413561 [ 60.422823][ T9232] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000005 [ 60.430757][ T9232] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 60.438695][ T9232] R10: 00007ffd833f0a80 R11: 0000000000000293 R12: 000000000075bfc8 [ 60.446636][ T9232] R13: 000000000000eae7 R14: 0000000000761550 R15: ffffffffffffffff [ 60.454594][ T9232] Modules linked in: [ 60.460075][ T9232] ---[ end trace 52ed77db8605aa9a ]--- [ 60.466731][ T9232] RIP: 0010:tls_sk_proto_close+0xa2/0x730 [ 60.472850][ T9232] Code: 80 3c 08 00 74 08 48 89 df e8 9a 2c 3a fb 4c 8b 33 49 8d 5f 14 48 89 d9 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 48 89 4d b0 <8a> 04 01 84 c0 0f 85 62 05 00 00 48 89 5d b8 0f b6 1b 83 e3 07 bf [ 60.492696][ T9232] RSP: 0018:ffff888089ff7b90 EFLAGS: 00010203 [ 60.498743][ T9232] RAX: dffffc0000000000 RBX: 0000000000000014 RCX: 0000000000000002 [ 60.506712][ T9232] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880994e0e40 [ 60.514696][ T9232] RBP: ffff888089ff7c00 R08: ffffffff86725aa1 R09: ffffed101329c1da [ 60.522977][ T9232] R10: ffffed101329c1da R11: 0000000000000000 R12: ffff88809fdc97c0 [ 60.530926][ T9232] R13: ffff8880994e0e40 R14: 7fffffffffffffff R15: 0000000000000000 [ 60.538921][ T9232] FS: 0000555555c87940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 60.547950][ T9232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.554567][ T9232] CR2: 0000000000000000 CR3: 0000000095758000 CR4: 00000000001406e0 [ 60.562550][ T9232] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.570500][ T9232] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.578484][ T9232] Kernel panic - not syncing: Fatal exception [ 60.585763][ T9232] Kernel Offset: disabled [ 60.590074][ T9232] Rebooting in 86400 seconds..