[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 66.993859][ T26] audit: type=1800 audit(1564017177.056:25): pid=8999 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 67.052314][ T26] audit: type=1800 audit(1564017177.056:26): pid=8999 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 67.073333][ T26] audit: type=1800 audit(1564017177.066:27): pid=8999 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 '10.128.0.78' (ECDSA) to the list of known hosts. 2019/07/25 01:13:19 parsed 1 programs 2019/07/25 01:13:21 executed programs: 0 syzkaller login: [ 91.606005][ T9170] IPVS: ftp: loaded support on port[0] = 21 [ 91.671034][ T9170] chnl_net:caif_netlink_parms(): no params data found [ 91.700054][ T9170] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.707841][ T9170] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.715693][ T9170] device bridge_slave_0 entered promiscuous mode [ 91.724147][ T9170] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.731245][ T9170] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.739115][ T9170] device bridge_slave_1 entered promiscuous mode [ 91.756705][ T9170] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.767709][ T9170] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.787073][ T9170] team0: Port device team_slave_0 added [ 91.794097][ T9170] team0: Port device team_slave_1 added [ 91.874428][ T9170] device hsr_slave_0 entered promiscuous mode [ 91.912420][ T9170] device hsr_slave_1 entered promiscuous mode [ 91.970903][ T9170] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.978108][ T9170] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.986290][ T9170] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.993445][ T9170] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.028182][ T9170] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.040353][ T9172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.051058][ T9172] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.060142][ T9172] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.068119][ T9172] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 92.080649][ T9170] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.091144][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.099698][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.106836][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.124703][ T9172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.133139][ T9172] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.140162][ T9172] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.148495][ T9172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.157937][ T9173] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.168479][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.184121][ T9170] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 92.195295][ T9170] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 92.207420][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.216240][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.224683][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.243501][ T9170] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.325142][ T9180] kasan: CONFIG_KASAN_INLINE enabled [ 92.330666][ T9180] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 92.339934][ T9180] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 92.346876][ T9180] CPU: 1 PID: 9180 Comm: syz-executor.0 Not tainted 5.3.0-rc1-next-20190724 #50 [ 92.355866][ T9180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.365959][ T9180] RIP: 0010:tls_sk_proto_close+0x90/0x4a0 [ 92.371656][ T9180] Code: 3c 02 00 0f 85 dd 03 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 45 b8 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 67 03 00 00 [ 92.391237][ T9180] RSP: 0018:ffff8880a6497c70 EFLAGS: 00010203 [ 92.397281][ T9180] RAX: dffffc0000000000 RBX: 00000000fffffff0 RCX: ffffffff8629731c [ 92.405314][ T9180] RDX: 0000000000000002 RSI: ffffffff862970cd RDI: ffff88808b204f00 [ 92.413285][ T9180] RBP: ffff8880a6497cb8 R08: ffff8880a76c4700 R09: fffffbfff14a8151 [ 92.421249][ T9180] R10: fffffbfff14a8150 R11: ffffffff8a540a87 R12: ffff88808b204c40 [ 92.429196][ T9180] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 92.437146][ T9180] FS: 000055555741a940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.446052][ T9180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.452630][ T9180] CR2: 0000000000780000 CR3: 000000008ff7d000 CR4: 00000000001406e0 [ 92.467909][ T9180] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.475856][ T9180] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.483799][ T9180] Call Trace: [ 92.487105][ T9180] ? _raw_spin_unlock_bh+0x31/0x40 [ 92.492195][ T9180] tls_sk_proto_close+0x2a9/0x4a0 [ 92.497239][ T9180] ? _raw_spin_unlock+0x10/0x50 [ 92.502068][ T9180] ? tls_sk_proto_unhash+0x3f0/0x3f0 [ 92.507341][ T9180] tcp_bpf_close+0x17c/0x390 [ 92.511917][ T9180] inet_release+0xed/0x200 [ 92.516321][ T9180] inet6_release+0x53/0x80 [ 92.520737][ T9180] __sock_release+0xce/0x280 [ 92.525308][ T9180] sock_close+0x1e/0x30 [ 92.529465][ T9180] __fput+0x2ff/0x890 [ 92.533422][ T9180] ? __sock_release+0x280/0x280 [ 92.538244][ T9180] ____fput+0x16/0x20 [ 92.542221][ T9180] task_work_run+0x145/0x1c0 [ 92.546799][ T9180] exit_to_usermode_loop+0x316/0x380 [ 92.552058][ T9180] do_syscall_64+0x65f/0x760 [ 92.556636][ T9180] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.562515][ T9180] RIP: 0033:0x4134f0 [ 92.566396][ T9180] Code: 01 f0 ff ff 0f 83 30 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 9d 2d 66 00 00 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 [ 92.585988][ T9180] RSP: 002b:00007ffc6f204768 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 92.594379][ T9180] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00000000004134f0 [ 92.602337][ T9180] RDX: 0000001b30d20000 RSI: 0000000000000000 RDI: 0000000000000005 [ 92.610282][ T9180] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 92.618227][ T9180] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20 [ 92.626172][ T9180] R13: 0000000000000003 R14: 0000000000761178 R15: ffffffffffffffff [ 92.634134][ T9180] Modules linked in: [ 92.639828][ T9180] ---[ end trace 5143786da0160ad0 ]--- [ 92.645349][ T9180] RIP: 0010:tls_sk_proto_close+0x90/0x4a0 [ 92.651060][ T9180] Code: 3c 02 00 0f 85 dd 03 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 45 b8 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 67 03 00 00 [ 92.671016][ T9180] RSP: 0018:ffff8880a6497c70 EFLAGS: 00010203 [ 92.677145][ T9180] RAX: dffffc0000000000 RBX: 00000000fffffff0 RCX: ffffffff8629731c [ 92.685245][ T9180] RDX: 0000000000000002 RSI: ffffffff862970cd RDI: ffff88808b204f00 [ 92.693258][ T9180] RBP: ffff8880a6497cb8 R08: ffff8880a76c4700 R09: fffffbfff14a8151 [ 92.701229][ T9180] R10: fffffbfff14a8150 R11: ffffffff8a540a87 R12: ffff88808b204c40 [ 92.709244][ T9180] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 92.717451][ T9180] FS: 000055555741a940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.726411][ T9180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.733330][ T9180] CR2: 0000000000780000 CR3: 000000008ff7d000 CR4: 00000000001406e0 [ 92.741296][ T9180] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.749418][ T9180] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.757572][ T9180] Kernel panic - not syncing: Fatal exception [ 92.764375][ T9180] Kernel Offset: disabled [ 92.768699][ T9180] Rebooting in 86400 seconds..