[ 65.472274][ T26] audit: type=1800 audit(1565075326.861:27): pid=9799 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 65.498710][ T26] audit: type=1800 audit(1565075326.861:28): pid=9799 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 66.226421][ T26] audit: type=1800 audit(1565075327.691:29): pid=9799 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 66.246567][ T26] audit: type=1800 audit(1565075327.701:30): pid=9799 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts. 2019/08/06 07:09:16 parsed 1 programs 2019/08/06 07:09:17 executed programs: 0 syzkaller login: [ 96.424625][ T9967] IPVS: ftp: loaded support on port[0] = 21 [ 96.467195][ T9967] chnl_net:caif_netlink_parms(): no params data found [ 96.486148][ T9967] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.493428][ T9967] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.500852][ T9967] device bridge_slave_0 entered promiscuous mode [ 96.508679][ T9967] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.515739][ T9967] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.523228][ T9967] device bridge_slave_1 entered promiscuous mode [ 96.535603][ T9967] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.545391][ T9967] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.560426][ T9967] team0: Port device team_slave_0 added [ 96.566690][ T9967] team0: Port device team_slave_1 added [ 96.638489][ T9967] device hsr_slave_0 entered promiscuous mode [ 96.677660][ T9967] device hsr_slave_1 entered promiscuous mode [ 96.742466][ T9967] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.749536][ T9967] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.756808][ T9967] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.763888][ T9967] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.788584][ T9967] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.799103][ T2842] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 96.817232][ T2842] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.824764][ T2842] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.832634][ T2842] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 96.842239][ T9967] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.850892][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 96.859249][ T3491] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.866372][ T3491] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.875573][ T9969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 96.884196][ T9969] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.891274][ T9969] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.904842][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 96.913186][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 96.922687][ T9969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 96.932881][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 96.942909][ T9969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 96.951934][ T9967] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 96.964969][ T9967] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.039397][ T9976] kasan: CONFIG_KASAN_INLINE enabled [ 97.044703][ T9976] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 97.052798][ T9976] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 97.059821][ T9976] CPU: 1 PID: 9976 Comm: syz-executor.0 Not tainted 5.3.0-rc2-next-20190805 #59 [ 97.068965][ T9976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.079164][ T9976] RIP: 0010:tls_sk_proto_close+0x90/0x4a0 [ 97.084857][ T9976] 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 [ 97.104434][ T9976] RSP: 0018:ffff888093a6fc70 EFLAGS: 00010203 [ 97.110472][ T9976] RAX: dffffc0000000000 RBX: 00000000fffffff0 RCX: ffffffff862e49ec [ 97.118418][ T9976] RDX: 0000000000000002 RSI: ffffffff862e479d RDI: ffff8880a8ed2f00 [ 97.126363][ T9976] RBP: ffff888093a6fcb8 R08: ffff8880906960c0 R09: ffffed10151da59a [ 97.134308][ T9976] R10: ffffed10151da599 R11: ffff8880a8ed2ccb R12: ffff8880a8ed2c40 [ 97.142265][ T9976] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 97.150209][ T9976] FS: 0000555556d6d940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 97.159108][ T9976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.165833][ T9976] CR2: 0000000000780000 CR3: 00000000a4751000 CR4: 00000000001406e0 [ 97.173881][ T9976] Call Trace: [ 97.177156][ T9976] ? _raw_spin_unlock_bh+0x31/0x40 [ 97.182285][ T9976] tls_sk_proto_close+0x2a9/0x4a0 [ 97.187283][ T9976] ? _raw_spin_trylock_bh+0x60/0x70 [ 97.192473][ T9976] ? tls_sk_proto_unhash+0x3f0/0x3f0 [ 97.197742][ T9976] tcp_bpf_close+0x17c/0x390 [ 97.202309][ T9976] inet_release+0xed/0x200 [ 97.206718][ T9976] inet6_release+0x53/0x80 [ 97.211110][ T9976] __sock_release+0xce/0x280 [ 97.215679][ T9976] sock_close+0x1e/0x30 [ 97.219814][ T9976] __fput+0x2ff/0x890 [ 97.223777][ T9976] ? __sock_release+0x280/0x280 [ 97.228643][ T9976] ____fput+0x16/0x20 [ 97.232601][ T9976] task_work_run+0x145/0x1c0 [ 97.237189][ T9976] exit_to_usermode_loop+0x316/0x380 [ 97.242542][ T9976] do_syscall_64+0x65f/0x760 [ 97.247248][ T9976] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.253323][ T9976] RIP: 0033:0x4134f0 [ 97.257356][ T9976] 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 [ 97.276949][ T9976] RSP: 002b:00007ffdc879cd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 97.285330][ T9976] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00000000004134f0 [ 97.293292][ T9976] RDX: 0000001b32a20000 RSI: 0000000000000000 RDI: 0000000000000005 [ 97.301237][ T9976] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 97.309181][ T9976] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20 [ 97.317133][ T9976] R13: 0000000000000003 R14: 0000000000761178 R15: ffffffffffffffff [ 97.325227][ T9976] Modules linked in: [ 97.330641][ T9976] ---[ end trace 18985ae5ffa2b849 ]--- [ 97.336135][ T9976] RIP: 0010:tls_sk_proto_close+0x90/0x4a0 [ 97.343132][ T9976] 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 [ 97.362941][ T9976] RSP: 0018:ffff888093a6fc70 EFLAGS: 00010203 [ 97.369265][ T9976] RAX: dffffc0000000000 RBX: 00000000fffffff0 RCX: ffffffff862e49ec [ 97.377223][ T9976] RDX: 0000000000000002 RSI: ffffffff862e479d RDI: ffff8880a8ed2f00 [ 97.385205][ T9976] RBP: ffff888093a6fcb8 R08: ffff8880906960c0 R09: ffffed10151da59a [ 97.393186][ T9976] R10: ffffed10151da599 R11: ffff8880a8ed2ccb R12: ffff8880a8ed2c40 [ 97.401170][ T9976] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 97.409156][ T9976] FS: 0000555556d6d940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 97.418122][ T9976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.424740][ T9976] CR2: 0000000001343f60 CR3: 00000000a4751000 CR4: 00000000001406f0 [ 97.432741][ T9976] Kernel panic - not syncing: Fatal exception [ 97.439747][ T9976] Kernel Offset: disabled [ 97.444065][ T9976] Rebooting in 86400 seconds..