[ 36.911904][ T26] audit: type=1800 audit(1556013209.529:26): pid=7572 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 36.943068][ T26] audit: type=1800 audit(1556013209.529:27): pid=7572 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 36.963923][ T26] audit: type=1800 audit(1556013209.529:28): pid=7572 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. [ 37.841418][ T26] audit: type=1800 audit(1556013210.489:29): pid=7572 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts. syzkaller login: [ 49.033542][ T7729] IPVS: ftp: loaded support on port[0] = 21 [ 49.033549][ T7732] IPVS: ftp: loaded support on port[0] = 21 [ 49.052151][ T7735] IPVS: ftp: loaded support on port[0] = 21 [ 49.053034][ T7734] IPVS: ftp: loaded support on port[0] = 21 [ 49.061984][ T7733] IPVS: ftp: loaded support on port[0] = 21 [ 49.071406][ T7736] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.951143][T11291] kasan: CONFIG_KASAN_INLINE enabled [ 53.956512][T11291] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 53.964603][T11291] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 53.971531][T11291] CPU: 0 PID: 11291 Comm: syz-executor509 Not tainted 5.1.0-rc6 #79 [ 53.979507][T11291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.989575][T11291] RIP: 0010:__lock_acquire+0xbef/0x3fb0 executing program executing program executing program executing program executing program executing program executing program [ 53.995126][T11291] Code: 00 0f 85 a5 1f 00 00 48 81 c4 10 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 21 00 00 49 81 7d 00 20 54 9c 89 0f 84 cf f4 [ 54.014739][T11291] RSP: 0018:ffff88808c666f58 EFLAGS: 00010002 [ 54.020811][T11291] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.028787][T11291] RDX: 0000000000000026 RSI: 0000000000000000 RDI: 0000000000000001 [ 54.036770][T11291] RBP: ffff88808c667090 R08: 0000000000000001 R09: 0000000000000001 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 54.044836][T11291] R10: ffffed1015d05bc7 R11: ffff88809e9f6680 R12: 0000000000000000 [ 54.052817][T11291] R13: 0000000000000130 R14: 0000000000000001 R15: 0000000000000001 [ 54.060794][T11291] FS: 00007f16a9d57700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 54.070909][T11291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.077498][T11291] CR2: 00007f16a9d56e78 CR3: 000000009f839000 CR4: 00000000001406f0 [ 54.085477][T11291] Call Trace: [ 54.088764][T11291] ? mark_held_locks+0xf0/0xf0 [ 54.093519][T11291] ? __sanitizer_cov_trace_cmp4+0x16/0x20 executing program executing program executing program executing program executing program executing program executing program [ 54.099246][T11291] lock_acquire+0x16f/0x3f0 [ 54.103747][T11291] ? skb_queue_tail+0x26/0x150 [ 54.108519][T11291] _raw_spin_lock_irqsave+0x95/0xcd [ 54.113723][T11291] ? skb_queue_tail+0x26/0x150 [ 54.118492][T11291] skb_queue_tail+0x26/0x150 [ 54.123082][T11291] ? rxrpc_input_data+0x2430/0x2430 [ 54.128283][T11291] ? rxrpc_input_data+0x2430/0x2430 [ 54.133525][T11291] rxrpc_input_packet+0x4a0/0x5536 [ 54.138640][T11291] ? __lock_acquire+0x548/0x3fb0 [ 54.143575][T11291] ? __nf_conntrack_find_get+0xe41/0x1970 executing program executing program executing program executing program executing program executing program [ 54.149300][T11291] ? rxrpc_input_data+0x2430/0x2430 [ 54.154509][T11291] ? nf_ct_deliver_cached_events+0x216/0x6e0 [ 54.160527][T11291] ? find_held_lock+0x35/0x130 [ 54.165294][T11291] ? rxrpc_input_data+0x2430/0x2430 [ 54.170497][T11291] udp_queue_rcv_one_skb+0xaf2/0x1780 [ 54.176768][T11291] udp_queue_rcv_skb+0x128/0x730 [ 54.181741][T11291] udp_unicast_rcv_skb.isra.0+0xb9/0x360 [ 54.187371][T11291] __udp4_lib_rcv+0x701/0x2ca0 [ 54.192143][T11291] ? mark_held_locks+0xf0/0xf0 [ 54.196916][T11291] udp_rcv+0x22/0x30 executing program executing program executing program executing program executing program executing program executing program executing program [ 54.200815][T11291] ip_protocol_deliver_rcu+0x60/0x8f0 [ 54.206455][T11291] ? kasan_check_read+0x11/0x20 [ 54.211311][T11291] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 54.217208][T11291] ip_local_deliver_finish+0x23b/0x390 [ 54.222679][T11291] ip_local_deliver+0x1e9/0x520 [ 54.227539][T11291] ? ip_local_deliver_finish+0x390/0x390 [ 54.233178][T11291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.239423][T11291] ? ip_protocol_deliver_rcu+0x8f0/0x8f0 [ 54.245589][T11291] ip_rcv_finish+0x1e1/0x300 executing program executing program executing program executing program executing program executing program executing program executing program [ 54.250184][T11291] ip_rcv+0xe8/0x3f0 [ 54.254083][T11291] ? ip_local_deliver+0x520/0x520 [ 54.259109][T11291] ? ip_rcv_finish_core.isra.0+0x1b70/0x1b70 [ 54.265081][T11291] ? mark_held_locks+0xf0/0xf0 [ 54.269826][T11291] ? ip_local_deliver+0x520/0x520 [ 54.274841][T11291] __netif_receive_skb_one_core+0x115/0x1a0 [ 54.280735][T11291] ? __netif_receive_skb_core+0x3040/0x3040 [ 54.286644][T11291] ? lock_acquire+0x16f/0x3f0 [ 54.291320][T11291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.297566][T11291] __netif_receive_skb+0x2c/0x1c0 executing program executing program executing program executing program executing program executing program executing program [ 54.302598][T11291] netif_receive_skb_internal+0x117/0x660 [ 54.308330][T11291] ? dev_cpu_dead+0x920/0x920 [ 54.313019][T11291] ? eth_gro_receive+0x890/0x890 [ 54.317963][T11291] napi_gro_frags+0xade/0xd10 [ 54.322653][T11291] tun_get_user+0x2f24/0x3fb0 [ 54.327342][T11291] ? tun_build_skb.isra.0+0x1300/0x1300 [ 54.332896][T11291] ? tun_get+0x171/0x290 [ 54.337149][T11291] ? lock_downgrade+0x880/0x880 [ 54.342003][T11291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.348250][T11291] ? kasan_check_read+0x11/0x20 executing program executing program executing program executing program executing program executing program executing program [ 54.353107][T11291] tun_chr_write_iter+0xbd/0x156 [ 54.358048][T11291] do_iter_readv_writev+0x5e1/0x8e0 [ 54.363255][T11291] ? vfs_dedupe_file_range+0x780/0x780 [ 54.368710][T11291] ? apparmor_file_permission+0x25/0x30 [ 54.374248][T11291] ? rw_verify_area+0x118/0x360 [ 54.379102][T11291] do_iter_write+0x184/0x610 [ 54.383702][T11291] ? dup_iter+0x260/0x260 [ 54.388036][T11291] ? __fget+0x35a/0x550 [ 54.392196][T11291] vfs_writev+0x1b3/0x2f0 [ 54.396533][T11291] ? vfs_iter_write+0xb0/0xb0 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 54.401219][T11291] ? ksys_dup3+0x3e0/0x3e0 [ 54.405650][T11291] ? __fdget+0x1b/0x20 [ 54.409725][T11291] ? sockfd_lookup_light+0xcb/0x180 [ 54.414931][T11291] ? __fget_light+0x1a9/0x230 [ 54.419616][T11291] do_writev+0x15e/0x370 [ 54.423874][T11291] ? vfs_writev+0x2f0/0x2f0 [ 54.428379][T11291] ? do_syscall_64+0x26/0x610 [ 54.433055][T11291] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.439127][T11291] ? do_syscall_64+0x26/0x610 [ 54.443810][T11291] __x64_sys_writev+0x75/0xb0 [ 54.448496][T11291] do_syscall_64+0x103/0x610 executing program executing program executing program executing program executing program executing program [ 54.453092][T11291] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.458990][T11291] RIP: 0033:0x447331 [ 54.462885][T11291] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 07 fc ff c3 48 83 ec 08 e8 fa 2b 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 43 2c 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 54.482497][T11291] RSP: 002b:00007f16a9d56d20 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 54.490911][T11291] RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000447331 executing program executing program executing program executing program executing program executing program executing program [ 54.498883][T11291] RDX: 0000000000000001 RSI: 00007f16a9d56d60 RDI: 00000000000000f0 [ 54.506854][T11291] RBP: 00000000006dcc30 R08: 0000000000000100 R09: 0000000000000013 [ 54.514828][T11291] R10: 000000000000214e R11: 0000000000000293 R12: 00000000006dcc3c [ 54.522790][T11291] R13: 00007ffcb270f2cf R14: 00007f16a9d579c0 R15: 00000000006dcc3c [ 54.530752][T11291] Modules linked in: [ 54.534659][T11291] ---[ end trace 02b2304d46cd79bc ]--- [ 54.540134][T11291] RIP: 0010:__lock_acquire+0xbef/0x3fb0 executing program executing program executing program executing program executing program executing program executing program executing program [ 54.545678][T11291] Code: 00 0f 85 a5 1f 00 00 48 81 c4 10 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 21 00 00 49 81 7d 00 20 54 9c 89 0f 84 cf f4 [ 54.565336][T11291] RSP: 0018:ffff88808c666f58 EFLAGS: 00010002 [ 54.571425][T11291] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.579404][T11291] RDX: 0000000000000026 RSI: 0000000000000000 RDI: 0000000000000001 [ 54.587379][T11291] RBP: ffff88808c667090 R08: 0000000000000001 R09: 0000000000000001 [ 54.595352][T11291] R10: ffffed1015d05bc7 R11: ffff88809e9f6680 R12: 0000000000000000 executing program executing program executing program executing program executing program executing program [ 54.603320][T11291] R13: 0000000000000130 R14: 0000000000000001 R15: 0000000000000001 [ 54.611293][T11291] FS: 00007f16a9d57700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 54.620222][T11291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.626796][T11291] CR2: 00007f16a9d56e78 CR3: 000000009f839000 CR4: 00000000001406f0 [ 54.634758][T11291] Kernel panic - not syncing: Fatal exception in interrupt [ 54.642615][T11291] Kernel Offset: disabled [ 54.646937][T11291] Rebooting in 86400 seconds..