[ 65.941282][ T24] audit: type=1800 audit(1561118907.947:26): pid=9231 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 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. [ 66.868458][ T24] kauditd_printk_skb: 2 callbacks suppressed [ 66.868470][ T24] audit: type=1800 audit(1561118908.917:29): pid=9231 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 [ 66.901841][ T24] audit: type=1800 audit(1561118908.917:30): pid=9231 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 '10.128.0.190' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 74.811166][ T9385] IPVS: ftp: loaded support on port[0] = 21 [ 74.848020][ T9387] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 74.884766][ T9389] IPVS: ftp: loaded support on port[0] = 21 [ 74.920175][ T9391] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 74.963037][ T9393] IPVS: ftp: loaded support on port[0] = 21 [ 75.001588][ T9395] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.041246][ T9397] IPVS: ftp: loaded support on port[0] = 21 [ 75.080715][ T9399] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.118229][ T9401] IPVS: ftp: loaded support on port[0] = 21 [ 75.153145][ T9403] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.191939][ T9405] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.232763][ T9407] IPVS: ftp: loaded support on port[0] = 21 [ 75.270461][ T9409] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.308919][ T9411] IPVS: ftp: loaded support on port[0] = 21 [ 75.350590][ T9413] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.426507][ T9416] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.471535][ T9418] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.534370][ T9420] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.598382][ T9422] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.665095][ T9424] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.729329][ T9426] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.795047][ T9428] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.860329][ T9430] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.925289][ T9432] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.989265][ T9434] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.053838][ T9436] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.119922][ T9438] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.184487][ T9440] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.248403][ T9442] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.313303][ T9444] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.378098][ T9446] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.438535][ T9448] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.489637][ T9450] IPVS: ftp: loaded support on port[0] = 21 [ 76.525048][ T9452] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.564532][ T9454] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.634162][ T9456] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.690152][ T9458] IPVS: ftp: loaded support on port[0] = 21 [ 76.726934][ T9460] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.762493][ T9462] IPVS: ftp: loaded support on port[0] = 21 [ 76.802147][ T9464] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 76.884140][ T9466] IPVS: ftp: loaded support on port[0] = 21 [ 76.920693][ T9468] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.956778][ T9470] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.003222][ T9472] IPVS: ftp: loaded support on port[0] = 21 [ 77.038425][ T9474] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.076284][ T9476] IPVS: ftp: loaded support on port[0] = 21 [ 77.111927][ T9478] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.147118][ T9480] IPVS: ftp: loaded support on port[0] = 21 [ 77.184476][ T9482] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.222888][ T9484] IPVS: ftp: loaded support on port[0] = 21 [ 77.258576][ T9486] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.294393][ T9488] IPVS: ftp: loaded support on port[0] = 21 [ 77.330119][ T9490] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.365661][ T9492] IPVS: ftp: loaded support on port[0] = 21 [ 77.401419][ T9494] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.436993][ T9496] IPVS: ftp: loaded support on port[0] = 21 [ 77.474033][ T9498] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.509202][ T9500] IPVS: ftp: loaded support on port[0] = 21 [ 77.544254][ T9502] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.581099][ T9504] IPVS: ftp: loaded support on port[0] = 21 [ 77.618433][ T9506] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.655358][ T9508] IPVS: ftp: loaded support on port[0] = 21 [ 77.691772][ T9510] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.727182][ T9512] IPVS: ftp: loaded support on port[0] = 21 [ 77.764348][ T9514] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.801209][ T9516] IPVS: ftp: loaded support on port[0] = 21 [ 77.837874][ T9518] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.873479][ T9520] IPVS: ftp: loaded support on port[0] = 21 [ 77.909014][ T9522] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.945268][ T9524] IPVS: ftp: loaded support on port[0] = 21 [ 77.982971][ T9526] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.021427][ T9528] IPVS: ftp: loaded support on port[0] = 21 [ 78.057042][ T9530] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.092920][ T9532] IPVS: ftp: loaded support on port[0] = 21 [ 78.129943][ T9534] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.167410][ T9536] IPVS: ftp: loaded support on port[0] = 21 [ 78.205238][ T9538] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.241908][ T9540] IPVS: ftp: loaded support on port[0] = 21 [ 78.278205][ T9542] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.313857][ T9544] IPVS: ftp: loaded support on port[0] = 21 [ 78.351828][ T9546] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.389713][ T9548] IPVS: ftp: loaded support on port[0] = 21 [ 78.425911][ T9550] IPVS: ftp: loaded support on port[0] = 21 executing program [ 78.462873][ T9552] IPVS: ftp: loaded support on port[0] = 21 [ 78.499039][ T9554] IPVS: ftp: loaded support on port[0] = 21 executing program [ 78.615864][ T9556] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.788295][ T9558] IPVS: ftp: loaded support on port[0] = 21 [ 78.835182][ T9560] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.935846][ T9562] IPVS: ftp: loaded support on port[0] = 21 [ 78.996176][ T9564] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.080533][ T9566] IPVS: ftp: loaded support on port[0] = 21 [ 79.138306][ T9568] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.239698][ T9570] IPVS: ftp: loaded support on port[0] = 21 [ 79.288316][ T9572] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.415569][ T9574] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.491795][ T9576] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.568355][ T9578] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.631750][ T9580] IPVS: ftp: loaded support on port[0] = 21 [ 79.669099][ T9582] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.733247][ T9584] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.819828][ T9586] IPVS: ftp: loaded support on port[0] = 21 [ 80.010939][ T9586] kasan: CONFIG_KASAN_INLINE enabled [ 80.016418][ T9586] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 80.024690][ T9586] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 80.031850][ T9586] CPU: 0 PID: 9586 Comm: syz-executor996 Not tainted 5.2.0-rc5-next-20190620 #19 [ 80.040968][ T9586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.051028][ T9586] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 80.056220][ T9586] Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 ee 7c 38 fa 49 8d 44 24 50 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ee 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 80.076003][ T9586] RSP: 0018:ffff88807e34fb10 EFLAGS: 00010206 [ 80.082078][ T9586] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11011699540 [ 80.090064][ T9586] RDX: 000000000000000a RSI: 1ffff11011699547 RDI: 0000000000000282 [ 80.098037][ T9586] RBP: ffff88807e34fb50 R08: ffff88808b4ca180 R09: 0000000000000002 [ 80.106004][ T9586] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 80.114148][ T9586] R13: ffff888095d762c0 R14: ffff888096507b00 R15: dffffc0000000000 [ 80.122153][ T9586] FS: 00007eff86bc7700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.131080][ T9586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.137675][ T9586] CR2: 00000000004b4ca0 CR3: 00000000845b5000 CR4: 00000000001406f0 [ 80.145764][ T9586] Call Trace: [ 80.149187][ T9586] ? kasan_check_read+0x11/0x20 [ 80.154150][ T9586] ovs_exit_net+0x1f8/0xc30 [ 80.158658][ T9586] ? synchronize_rcu.part.0+0xcf/0xe0 [ 80.164042][ T9586] ? kfree_call_rcu+0x10/0x10 [ 80.168728][ T9586] ? ovs_dp_cmd_del+0x270/0x270 [ 80.173595][ T9586] ? ovs_dp_cmd_del+0x270/0x270 [ 80.178583][ T9586] ops_exit_list.isra.0+0xaa/0x150 [ 80.183734][ T9586] setup_net+0x518/0x870 [ 80.188034][ T9586] ? ops_init+0x410/0x410 [ 80.192401][ T9586] ? kasan_check_write+0x14/0x20 [ 80.197525][ T9586] ? down_read_killable+0x51/0x220 [ 80.202636][ T9586] copy_net_ns+0x1df/0x340 [ 80.207202][ T9586] create_new_namespaces+0x400/0x7b0 [ 80.212525][ T9586] unshare_nsproxy_namespaces+0xc2/0x200 [ 80.218171][ T9586] ksys_unshare+0x444/0x980 [ 80.222673][ T9586] ? walk_process_tree+0x2c0/0x2c0 [ 80.227800][ T9586] ? up_read+0xc4/0x200 [ 80.231954][ T9586] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.237439][ T9586] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.243507][ T9586] ? do_syscall_64+0x26/0x6a0 [ 80.248303][ T9586] ? lockdep_hardirqs_on+0x418/0x5d0 [ 80.253802][ T9586] __x64_sys_unshare+0x31/0x40 [ 80.258818][ T9586] do_syscall_64+0xfd/0x6a0 [ 80.263447][ T9586] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.269344][ T9586] RIP: 0033:0x4465f9 [ 80.273234][ T9586] Code: e8 5c b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.292924][ T9586] RSP: 002b:00007eff86bc6db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 80.301327][ T9586] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 80.309291][ T9586] RDX: 0000000000402634 RSI: c0b4b8cb3fc105b0 RDI: 0000000040000000 [ 80.317343][ T9586] RBP: 00000000006dbc20 R08: 00007eff86bc7700 R09: 0000000000000000 [ 80.325313][ T9586] R10: 00007eff86bc7700 R11: 0000000000000246 R12: 00000000006dbc2c [ 80.333291][ T9586] R13: 00007ffebf82e24f R14: 00007eff86bc79c0 R15: 0000000000000000 [ 80.341290][ T9586] Modules linked in: [ 80.345778][ T9586] ---[ end trace 90321f68e9f520db ]--- [ 80.351358][ T9586] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 80.356571][ T9586] Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 ee 7c 38 fa 49 8d 44 24 50 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ee 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 80.376377][ T9586] RSP: 0018:ffff88807e34fb10 EFLAGS: 00010206 [ 80.382521][ T9586] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11011699540 [ 80.390504][ T9586] RDX: 000000000000000a RSI: 1ffff11011699547 RDI: 0000000000000282 [ 80.398600][ T9586] RBP: ffff88807e34fb50 R08: ffff88808b4ca180 R09: 0000000000000002 [ 80.406661][ T9586] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 80.414707][ T9586] R13: ffff888095d762c0 R14: ffff888096507b00 R15: dffffc0000000000 [ 80.422750][ T9586] FS: 00007eff86bc7700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.431725][ T9586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.438348][ T9586] CR2: 00000000004b4ca0 CR3: 00000000845b5000 CR4: 00000000001406f0 [ 80.446370][ T9586] Kernel panic - not syncing: Fatal exception [ 80.453663][ T9586] Kernel Offset: disabled [ 80.458005][ T9586] Rebooting in 86400 seconds..