[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 71.209338][ T26] audit: type=1800 audit(1561189154.645:25): pid=9110 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 71.253755][ T26] audit: type=1800 audit(1561189154.655:26): pid=9110 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 71.288731][ T26] audit: type=1800 audit(1561189154.655:27): pid=9110 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[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 81.895289][ T9264] IPVS: ftp: loaded support on port[0] = 21 [ 81.932615][ T9266] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.967680][ T9268] IPVS: ftp: loaded support on port[0] = 21 [ 82.003176][ T9270] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.046148][ T9272] IPVS: ftp: loaded support on port[0] = 21 [ 82.080980][ T9274] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.118761][ T9276] IPVS: ftp: loaded support on port[0] = 21 [ 82.156585][ T9278] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.194097][ T9280] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.236656][ T9282] IPVS: ftp: loaded support on port[0] = 21 [ 82.274817][ T9284] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.311766][ T9286] IPVS: ftp: loaded support on port[0] = 21 [ 82.346824][ T9288] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.383365][ T9290] IPVS: ftp: loaded support on port[0] = 21 [ 82.422125][ T9292] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.462364][ T9294] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 82.527461][ T9297] IPVS: ftp: loaded support on port[0] = 21 [ 82.562201][ T9299] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.598203][ T9301] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.657034][ T9303] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.719420][ T9305] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.781821][ T9307] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.844234][ T9309] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.910354][ T9311] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.973463][ T9313] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.039261][ T9315] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.105589][ T9317] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.170073][ T9319] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.235930][ T9321] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.301792][ T9323] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.367020][ T9325] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.430623][ T9327] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.495777][ T9329] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.559535][ T9331] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.616869][ T9333] IPVS: ftp: loaded support on port[0] = 21 [ 83.654831][ T9335] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.692281][ T9337] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.745615][ T9339] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.804163][ T9341] IPVS: ftp: loaded support on port[0] = 21 [ 83.841467][ T9343] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.879025][ T9345] IPVS: ftp: loaded support on port[0] = 21 [ 83.919028][ T9347] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.979854][ T9349] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.027677][ T9351] IPVS: ftp: loaded support on port[0] = 21 [ 84.064166][ T9353] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.110892][ T9355] IPVS: ftp: loaded support on port[0] = 21 [ 84.148175][ T9357] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.185020][ T9359] IPVS: ftp: loaded support on port[0] = 21 [ 84.222997][ T9361] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.259327][ T9363] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.302796][ T9365] IPVS: ftp: loaded support on port[0] = 21 [ 84.339520][ T9367] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.377462][ T9369] IPVS: ftp: loaded support on port[0] = 21 [ 84.414107][ T9371] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.449679][ T9373] IPVS: ftp: loaded support on port[0] = 21 [ 84.486451][ T9375] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.525859][ T9377] IPVS: ftp: loaded support on port[0] = 21 [ 84.562365][ T9379] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.598719][ T9381] IPVS: ftp: loaded support on port[0] = 21 [ 84.635069][ T9383] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.673672][ T9385] IPVS: ftp: loaded support on port[0] = 21 [ 84.711092][ T9387] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.748774][ T9389] IPVS: ftp: loaded support on port[0] = 21 [ 84.787891][ T9391] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.826883][ T9393] IPVS: ftp: loaded support on port[0] = 21 [ 84.864373][ T9395] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.900149][ T9397] IPVS: ftp: loaded support on port[0] = 21 [ 84.937459][ T9399] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.975045][ T9401] IPVS: ftp: loaded support on port[0] = 21 [ 85.012609][ T9403] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.051264][ T9405] IPVS: ftp: loaded support on port[0] = 21 [ 85.089122][ T9407] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.126207][ T9409] IPVS: ftp: loaded support on port[0] = 21 [ 85.163822][ T9411] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.200329][ T9413] IPVS: ftp: loaded support on port[0] = 21 [ 85.239069][ T9415] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.276972][ T9417] IPVS: ftp: loaded support on port[0] = 21 [ 85.315241][ T9419] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.352732][ T9421] IPVS: ftp: loaded support on port[0] = 21 [ 85.390242][ T9423] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.428859][ T9425] IPVS: ftp: loaded support on port[0] = 21 [ 85.466422][ T9427] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.504678][ T9429] IPVS: ftp: loaded support on port[0] = 21 [ 85.542048][ T9431] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.579715][ T9433] IPVS: ftp: loaded support on port[0] = 21 [ 85.617385][ T9435] IPVS: ftp: loaded support on port[0] = 21 executing program [ 85.656016][ T9437] IPVS: ftp: loaded support on port[0] = 21 [ 85.694682][ T9439] IPVS: ftp: loaded support on port[0] = 21 executing program [ 85.809930][ T9441] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.917946][ T9443] IPVS: ftp: loaded support on port[0] = 21 [ 85.966002][ T9445] IPVS: ftp: loaded support on port[0] = 21 executing program [ 86.077775][ T9447] IPVS: ftp: loaded support on port[0] = 21 executing program [ 86.184464][ T9449] IPVS: ftp: loaded support on port[0] = 21 executing program [ 86.289072][ T9451] IPVS: ftp: loaded support on port[0] = 21 executing program [ 86.412213][ T9453] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 86.537194][ T9455] IPVS: ftp: loaded support on port[0] = 21 [ 86.588933][ T9457] IPVS: ftp: loaded support on port[0] = 21 executing program [ 86.690603][ T9459] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 86.795951][ T9461] IPVS: ftp: loaded support on port[0] = 21 [ 86.849201][ T9463] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 86.958519][ T9465] IPVS: ftp: loaded support on port[0] = 21 [ 87.007054][ T9469] IPVS: ftp: loaded support on port[0] = 21 [ 87.383680][ T9469] kasan: CONFIG_KASAN_INLINE enabled [ 87.389242][ T9469] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 87.397443][ T9469] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 87.404385][ T9469] CPU: 1 PID: 9469 Comm: syz-executor051 Not tainted 5.2.0-rc5-next-20190620 #19 [ 87.413468][ T9469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.423662][ T9469] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 87.428863][ T9469] 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 [ 87.448477][ T9469] RSP: 0018:ffff888090f57b10 EFLAGS: 00010206 [ 87.454603][ T9469] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012b9b970 [ 87.462575][ T9469] RDX: 000000000000000a RSI: 1ffff11012b9b977 RDI: 0000000000000282 [ 87.470592][ T9469] RBP: ffff888090f57b50 R08: ffff888095cdc300 R09: 0000000000000002 [ 87.478559][ T9469] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 87.486529][ T9469] R13: ffff88809162a300 R14: ffff8880859d3680 R15: dffffc0000000000 [ 87.494524][ T9469] FS: 00007f54a5198700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 87.503471][ T9469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.510061][ T9469] CR2: 00000000004cc870 CR3: 0000000087473000 CR4: 00000000001406e0 [ 87.518040][ T9469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.526006][ T9469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.533965][ T9469] Call Trace: [ 87.537296][ T9469] ? kasan_check_read+0x11/0x20 [ 87.542178][ T9469] ovs_exit_net+0x1f8/0xc30 [ 87.546698][ T9469] ? synchronize_rcu.part.0+0xcf/0xe0 [ 87.552072][ T9469] ? kfree_call_rcu+0x10/0x10 [ 87.556746][ T9469] ? ovs_dp_cmd_del+0x270/0x270 [ 87.561718][ T9469] ? ovs_dp_cmd_del+0x270/0x270 [ 87.566590][ T9469] ops_exit_list.isra.0+0xaa/0x150 [ 87.571733][ T9469] setup_net+0x518/0x870 [ 87.576003][ T9469] ? ops_init+0x410/0x410 [ 87.580350][ T9469] ? kasan_check_write+0x14/0x20 [ 87.585300][ T9469] ? down_read_killable+0x51/0x220 [ 87.590417][ T9469] copy_net_ns+0x1df/0x340 [ 87.594842][ T9469] create_new_namespaces+0x400/0x7b0 [ 87.600186][ T9469] unshare_nsproxy_namespaces+0xc2/0x200 [ 87.605845][ T9469] ksys_unshare+0x444/0x980 [ 87.610343][ T9469] ? walk_process_tree+0x2c0/0x2c0 [ 87.615457][ T9469] ? up_read+0xc4/0x200 [ 87.619640][ T9469] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.625120][ T9469] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.631214][ T9469] ? do_syscall_64+0x26/0x6a0 [ 87.635886][ T9469] ? lockdep_hardirqs_on+0x418/0x5d0 [ 87.641192][ T9469] __x64_sys_unshare+0x31/0x40 [ 87.645959][ T9469] do_syscall_64+0xfd/0x6a0 [ 87.650451][ T9469] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.656329][ T9469] RIP: 0033:0x4465f9 [ 87.660238][ T9469] 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 [ 87.679852][ T9469] RSP: 002b:00007f54a5197db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 87.688269][ T9469] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 87.696239][ T9469] RDX: 0000000000402634 RSI: 763ae4ab9890a114 RDI: 0000000060000000 [ 87.704205][ T9469] RBP: 00000000006dbc20 R08: 00007f54a5198700 R09: 0000000000000000 [ 87.712211][ T9469] R10: 00007f54a5198700 R11: 0000000000000246 R12: 00000000006dbc2c [ 87.720173][ T9469] R13: 00007ffeca8fe22f R14: 00007f54a51989c0 R15: 0000000000000000 [ 87.728193][ T9469] Modules linked in: [ 87.732926][ T9469] ---[ end trace 8507b651a198ebc0 ]--- [ 87.738421][ T9469] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 87.743835][ T9469] 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 [ 87.763493][ T9469] RSP: 0018:ffff888090f57b10 EFLAGS: 00010206 [ 87.769641][ T9469] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012b9b970 [ 87.777660][ T9469] RDX: 000000000000000a RSI: 1ffff11012b9b977 RDI: 0000000000000282 [ 87.785675][ T9469] RBP: ffff888090f57b50 R08: ffff888095cdc300 R09: 0000000000000002 [ 87.794205][ T9469] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 87.802163][ T9469] R13: ffff88809162a300 R14: ffff8880859d3680 R15: dffffc0000000000 [ 87.810161][ T9469] FS: 00007f54a5198700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 87.819098][ T9469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.825771][ T9469] CR2: 00000000004cc870 CR3: 0000000087473000 CR4: 00000000001406e0 [ 87.833778][ T9469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.841747][ T9469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.849780][ T9469] Kernel panic - not syncing: Fatal exception [ 87.857207][ T9469] Kernel Offset: disabled [ 87.870376][ T9469] Rebooting in 86400 seconds..