[ 68.157683][ T26] audit: type=1800 audit(1561339149.544:26): pid=9158 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. [ 69.146344][ T26] kauditd_printk_skb: 2 callbacks suppressed [ 69.146358][ T26] audit: type=1800 audit(1561339150.554:29): pid=9158 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 [ 69.173761][ T26] audit: type=1800 audit(1561339150.554:30): pid=9158 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 '10.128.0.203' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 79.837662][ T9310] IPVS: ftp: loaded support on port[0] = 21 [ 79.876586][ T9312] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.912148][ T9314] IPVS: ftp: loaded support on port[0] = 21 [ 79.950232][ T9316] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.988425][ T9318] IPVS: ftp: loaded support on port[0] = 21 [ 80.027066][ T9320] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.064555][ T9322] IPVS: ftp: loaded support on port[0] = 21 [ 80.103160][ T9324] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.146775][ T9326] IPVS: ftp: loaded support on port[0] = 21 [ 80.183624][ T9328] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.219497][ T9330] IPVS: ftp: loaded support on port[0] = 21 [ 80.257556][ T9332] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.297215][ T9334] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.338418][ T9336] IPVS: ftp: loaded support on port[0] = 21 [ 80.374269][ T9338] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.444079][ T9342] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.507126][ T9344] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.574129][ T9346] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.634536][ T9348] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.698519][ T9350] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.762936][ T9352] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.831915][ T9354] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.896537][ T9356] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.962785][ T9358] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.028027][ T9360] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.094060][ T9362] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.159644][ T9364] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.226471][ T9366] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.294197][ T9368] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.360164][ T9370] IPVS: ftp: loaded support on port[0] = 21 [ 81.426335][ T9372] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.491596][ T9374] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.539050][ T9376] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.598513][ T9378] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.645321][ T9380] IPVS: ftp: loaded support on port[0] = 21 [ 81.682549][ T9382] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.728274][ T9384] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.795167][ T9386] IPVS: ftp: loaded support on port[0] = 21 [ 81.830401][ T9388] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.866891][ T9390] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.911229][ T9392] IPVS: ftp: loaded support on port[0] = 21 [ 81.946249][ T9394] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.980915][ T9396] IPVS: ftp: loaded support on port[0] = 21 [ 82.016446][ T9398] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.052088][ T9400] IPVS: ftp: loaded support on port[0] = 21 [ 82.086839][ T9402] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.123453][ T9404] IPVS: ftp: loaded support on port[0] = 21 [ 82.159491][ T9406] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.196846][ T9408] IPVS: ftp: loaded support on port[0] = 21 [ 82.234620][ T9410] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.269860][ T9412] IPVS: ftp: loaded support on port[0] = 21 [ 82.306749][ T9414] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.341668][ T9416] IPVS: ftp: loaded support on port[0] = 21 [ 82.377780][ T9418] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.414837][ T9420] IPVS: ftp: loaded support on port[0] = 21 [ 82.450623][ T9422] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.487810][ T9424] IPVS: ftp: loaded support on port[0] = 21 [ 82.524312][ T9426] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.560045][ T9428] IPVS: ftp: loaded support on port[0] = 21 [ 82.595626][ T9430] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.630717][ T9432] IPVS: ftp: loaded support on port[0] = 21 [ 82.666542][ T9434] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.703930][ T9436] IPVS: ftp: loaded support on port[0] = 21 [ 82.739461][ T9438] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.776324][ T9440] IPVS: ftp: loaded support on port[0] = 21 [ 82.813023][ T9442] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.848918][ T9444] IPVS: ftp: loaded support on port[0] = 21 [ 82.886054][ T9446] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.922892][ T9448] IPVS: ftp: loaded support on port[0] = 21 [ 82.958561][ T9450] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.995362][ T9452] IPVS: ftp: loaded support on port[0] = 21 [ 83.032339][ T9454] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.070134][ T9456] IPVS: ftp: loaded support on port[0] = 21 [ 83.107086][ T9458] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.143056][ T9460] IPVS: ftp: loaded support on port[0] = 21 [ 83.181343][ T9462] IPVS: ftp: loaded support on port[0] = 21 [ 83.216815][ T9464] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.325617][ T9466] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.419505][ T9468] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.521440][ T9470] IPVS: ftp: loaded support on port[0] = 21 [ 83.567930][ T9472] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.660166][ T9474] IPVS: ftp: loaded support on port[0] = 21 [ 83.719358][ T9476] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.797594][ T9478] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.919282][ T9480] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.022281][ T9482] IPVS: ftp: loaded support on port[0] = 21 [ 84.068700][ T9484] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.149548][ T9486] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.241195][ T9488] IPVS: ftp: loaded support on port[0] = 21 [ 84.298288][ T9490] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.387235][ T9492] IPVS: ftp: loaded support on port[0] = 21 [ 84.431525][ T9494] IPVS: ftp: loaded support on port[0] = 21 [ 84.792758][ T9494] kasan: CONFIG_KASAN_INLINE enabled [ 84.798254][ T9494] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 84.806393][ T9494] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 84.813341][ T9494] CPU: 1 PID: 9494 Comm: syz-executor413 Not tainted 5.2.0-rc5-next-20190621 #20 [ 84.822429][ T9494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.832506][ T9494] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 84.837705][ T9494] Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 3e 4b 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 [ 84.857338][ T9494] RSP: 0018:ffff8880a4c1fb10 EFLAGS: 00010206 [ 84.863396][ T9494] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff110126bbd68 [ 84.871358][ T9494] RDX: 000000000000000a RSI: 1ffff110126bbd6f RDI: 0000000000000286 [ 84.879322][ T9494] RBP: ffff8880a4c1fb50 R08: ffff8880935de2c0 R09: 0000000000000002 [ 84.887306][ T9494] R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000 [ 84.895299][ T9494] R13: ffff8880a77d0080 R14: ffff888084b776c0 R15: dffffc0000000000 [ 84.903297][ T9494] FS: 00007f9f6aaef700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 84.912222][ T9494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.918801][ T9494] CR2: 00000000004cc870 CR3: 000000008fbfc000 CR4: 00000000001406e0 [ 84.926766][ T9494] Call Trace: [ 84.930055][ T9494] ? kasan_check_read+0x11/0x20 [ 84.934902][ T9494] ovs_exit_net+0x1f8/0xc30 [ 84.939422][ T9494] ? synchronize_rcu.part.0+0xcf/0xe0 [ 84.944834][ T9494] ? kfree_call_rcu+0x10/0x10 [ 84.949534][ T9494] ? ovs_dp_cmd_del+0x270/0x270 [ 84.954487][ T9494] ? ovs_dp_cmd_del+0x270/0x270 [ 84.959346][ T9494] ops_exit_list.isra.0+0xaa/0x150 [ 84.964569][ T9494] setup_net+0x518/0x870 [ 84.968811][ T9494] ? ops_init+0x410/0x410 [ 84.973144][ T9494] ? kasan_check_write+0x14/0x20 [ 84.978068][ T9494] ? down_read_killable+0x51/0x220 [ 84.983165][ T9494] copy_net_ns+0x1df/0x340 [ 84.987567][ T9494] create_new_namespaces+0x400/0x7b0 [ 84.992860][ T9494] unshare_nsproxy_namespaces+0xc2/0x200 [ 84.998498][ T9494] ksys_unshare+0x444/0x980 [ 85.003023][ T9494] ? walk_process_tree+0x2c0/0x2c0 [ 85.008127][ T9494] ? up_read+0xc4/0x200 [ 85.012275][ T9494] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.017845][ T9494] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.023904][ T9494] ? do_syscall_64+0x26/0x6a0 [ 85.028571][ T9494] ? lockdep_hardirqs_on+0x418/0x5d0 [ 85.033849][ T9494] __x64_sys_unshare+0x31/0x40 [ 85.038599][ T9494] do_syscall_64+0xfd/0x6a0 [ 85.043087][ T9494] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.048960][ T9494] RIP: 0033:0x4465f9 [ 85.052835][ T9494] 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 [ 85.072428][ T9494] RSP: 002b:00007f9f6aaeedb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 85.080843][ T9494] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 85.088841][ T9494] RDX: 0000000000402634 RSI: 33796a1ae39a0cb6 RDI: 0000000040000000 [ 85.096813][ T9494] RBP: 00000000006dbc20 R08: 00007f9f6aaef700 R09: 0000000000000000 [ 85.104779][ T9494] R10: 00007f9f6aaef700 R11: 0000000000000246 R12: 00000000006dbc2c [ 85.112757][ T9494] R13: 00007ffe8ffc6eaf R14: 00007f9f6aaef9c0 R15: 0000000000000000 [ 85.120756][ T9494] Modules linked in: [ 85.124846][ T9494] ---[ end trace 34a93503ed0b508a ]--- [ 85.130332][ T9494] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 85.135583][ T9494] Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 3e 4b 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 [ 85.155287][ T9494] RSP: 0018:ffff8880a4c1fb10 EFLAGS: 00010206 [ 85.161351][ T9494] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff110126bbd68 [ 85.169380][ T9494] RDX: 000000000000000a RSI: 1ffff110126bbd6f RDI: 0000000000000286 [ 85.177396][ T9494] RBP: ffff8880a4c1fb50 R08: ffff8880935de2c0 R09: 0000000000000002 [ 85.185392][ T9494] R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000 [ 85.193408][ T9494] R13: ffff8880a77d0080 R14: ffff888084b776c0 R15: dffffc0000000000 [ 85.201378][ T9494] FS: 00007f9f6aaef700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 85.210357][ T9494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.216975][ T9494] CR2: 00000000004cc870 CR3: 000000008fbfc000 CR4: 00000000001406e0 [ 85.224990][ T9494] Kernel panic - not syncing: Fatal exception [ 85.232097][ T9494] Kernel Offset: disabled [ 85.236427][ T9494] Rebooting in 86400 seconds..