[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 64.298378][ T26] audit: type=1800 audit(1561071425.129:25): pid=8671 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 64.345046][ T26] audit: type=1800 audit(1561071425.129:26): pid=8671 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 64.371341][ T26] audit: type=1800 audit(1561071425.139:27): pid=8671 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 '10.128.1.50' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 74.799510][ T8827] IPVS: ftp: loaded support on port[0] = 21 [ 74.835442][ T8829] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 74.871870][ T8831] IPVS: ftp: loaded support on port[0] = 21 [ 74.907401][ T8833] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 74.944839][ T8835] IPVS: ftp: loaded support on port[0] = 21 [ 74.980701][ T8837] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.014780][ T8839] IPVS: ftp: loaded support on port[0] = 21 [ 75.049689][ T8841] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.086146][ T8843] IPVS: ftp: loaded support on port[0] = 21 [ 75.122318][ T8845] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.160471][ T8847] IPVS: ftp: loaded support on port[0] = 21 [ 75.195995][ T8849] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.230470][ T8851] IPVS: ftp: loaded support on port[0] = 21 [ 75.264585][ T8853] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.303556][ T8855] IPVS: ftp: loaded support on port[0] = 21 [ 75.343549][ T8857] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.379743][ T8859] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.439508][ T8862] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.490902][ T8864] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.546804][ T8866] IPVS: ftp: loaded support on port[0] = 21 [ 75.610922][ T8868] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.681974][ T8870] IPVS: ftp: loaded support on port[0] = 21 [ 75.740810][ T8872] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.818188][ T8874] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.880705][ T8876] IPVS: ftp: loaded support on port[0] = 21 [ 75.950782][ T8878] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.028721][ T8880] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.078137][ T8882] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.135211][ T8884] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.191192][ T8886] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.250813][ T8888] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.307345][ T8890] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.370704][ T8892] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.428802][ T8894] IPVS: ftp: loaded support on port[0] = 21 [ 76.461541][ T8896] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.498503][ T8898] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.577761][ T8900] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.617987][ T8902] IPVS: ftp: loaded support on port[0] = 21 [ 76.651317][ T8904] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.685677][ T8906] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.736970][ T8908] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.791641][ T8910] IPVS: ftp: loaded support on port[0] = 21 [ 76.827052][ T8912] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.861206][ T8914] IPVS: ftp: loaded support on port[0] = 21 [ 76.896695][ T8916] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.936360][ T8918] IPVS: ftp: loaded support on port[0] = 21 [ 76.970897][ T8920] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.004216][ T8922] IPVS: ftp: loaded support on port[0] = 21 [ 77.038559][ T8924] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.071485][ T8926] IPVS: ftp: loaded support on port[0] = 21 [ 77.105764][ T8928] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.140301][ T8930] IPVS: ftp: loaded support on port[0] = 21 [ 77.173691][ T8932] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.207706][ T8934] IPVS: ftp: loaded support on port[0] = 21 [ 77.240842][ T8936] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.275146][ T8938] IPVS: ftp: loaded support on port[0] = 21 [ 77.310511][ T8940] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.343896][ T8942] IPVS: ftp: loaded support on port[0] = 21 [ 77.377584][ T8944] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.411416][ T8946] IPVS: ftp: loaded support on port[0] = 21 [ 77.444687][ T8948] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.478834][ T8950] IPVS: ftp: loaded support on port[0] = 21 [ 77.513753][ T8952] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.548557][ T8954] IPVS: ftp: loaded support on port[0] = 21 [ 77.582707][ T8956] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.616302][ T8958] IPVS: ftp: loaded support on port[0] = 21 [ 77.650005][ T8960] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.684340][ T8962] IPVS: ftp: loaded support on port[0] = 21 [ 77.719462][ T8964] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.754622][ T8966] IPVS: ftp: loaded support on port[0] = 21 [ 77.789487][ T8968] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.825181][ T8970] IPVS: ftp: loaded support on port[0] = 21 [ 77.859893][ T8972] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.894953][ T8974] IPVS: ftp: loaded support on port[0] = 21 [ 77.930871][ T8976] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.966367][ T8978] IPVS: ftp: loaded support on port[0] = 21 [ 78.000518][ T8980] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.034807][ T8982] IPVS: ftp: loaded support on port[0] = 21 [ 78.069290][ T8984] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.104173][ T8986] IPVS: ftp: loaded support on port[0] = 21 [ 78.139162][ T8988] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.174339][ T8990] IPVS: ftp: loaded support on port[0] = 21 [ 78.208799][ T8992] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.243350][ T8994] IPVS: ftp: loaded support on port[0] = 21 [ 78.277666][ T8996] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.312301][ T8998] IPVS: ftp: loaded support on port[0] = 21 [ 78.348005][ T9000] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.383869][ T9002] IPVS: ftp: loaded support on port[0] = 21 [ 78.419653][ T9004] IPVS: ftp: loaded support on port[0] = 21 [ 78.455893][ T9006] IPVS: ftp: loaded support on port[0] = 21 executing program [ 78.565866][ T9008] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.673913][ T9010] IPVS: ftp: loaded support on port[0] = 21 [ 78.733064][ T9012] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.823729][ T9014] IPVS: ftp: loaded support on port[0] = 21 [ 78.871739][ T9016] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.963637][ T9018] IPVS: ftp: loaded support on port[0] = 21 [ 79.016851][ T9020] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.111261][ T9022] IPVS: ftp: loaded support on port[0] = 21 [ 79.154678][ T9024] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.262811][ T9026] IPVS: ftp: loaded support on port[0] = 21 [ 79.306314][ T9028] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.419730][ T9030] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.520182][ T9032] IPVS: ftp: loaded support on port[0] = 21 [ 79.564389][ T9034] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.651514][ T9036] IPVS: ftp: loaded support on port[0] = 21 [ 79.706402][ T9038] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.806376][ T9040] IPVS: ftp: loaded support on port[0] = 21 [ 80.015442][ T9040] kasan: CONFIG_KASAN_INLINE enabled [ 80.021577][ T9040] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 80.030438][ T9040] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 80.037767][ T9040] CPU: 0 PID: 9040 Comm: syz-executor269 Not tainted 5.2.0-rc5-next-20190620 #19 [ 80.046858][ T9040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.057001][ T9040] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 80.062205][ T9040] 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 [ 80.081926][ T9040] RSP: 0018:ffff8880926b7b10 EFLAGS: 00010206 [ 80.087981][ T9040] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012bd2168 [ 80.096054][ T9040] RDX: 000000000000000a RSI: 1ffff11012bd216f RDI: 0000000000000282 [ 80.104048][ T9040] RBP: ffff8880926b7b50 R08: ffff888095e902c0 R09: 0000000000000002 [ 80.112154][ T9040] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 80.120296][ T9040] R13: ffff88808dc40440 R14: ffff88808ed2bb40 R15: dffffc0000000000 [ 80.128378][ T9040] FS: 00007f26e2105700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.137296][ T9040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.143872][ T9040] CR2: 00000000004cc870 CR3: 000000009a7c7000 CR4: 00000000001406f0 [ 80.151975][ T9040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.159943][ T9040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.168249][ T9040] Call Trace: [ 80.171533][ T9040] ? kasan_check_read+0x11/0x20 [ 80.176494][ T9040] ovs_exit_net+0x1f8/0xc30 [ 80.181256][ T9040] ? synchronize_rcu.part.0+0xcf/0xe0 [ 80.186623][ T9040] ? kfree_call_rcu+0x10/0x10 [ 80.191452][ T9040] ? ovs_dp_cmd_del+0x270/0x270 [ 80.196296][ T9040] ? ovs_dp_cmd_del+0x270/0x270 [ 80.201282][ T9040] ops_exit_list.isra.0+0xaa/0x150 [ 80.206385][ T9040] setup_net+0x518/0x870 [ 80.210716][ T9040] ? ops_init+0x410/0x410 [ 80.215192][ T9040] ? kasan_check_write+0x14/0x20 [ 80.220402][ T9040] ? down_read_killable+0x51/0x220 [ 80.225593][ T9040] copy_net_ns+0x1df/0x340 [ 80.230014][ T9040] create_new_namespaces+0x400/0x7b0 [ 80.235307][ T9040] unshare_nsproxy_namespaces+0xc2/0x200 [ 80.240934][ T9040] ksys_unshare+0x444/0x980 [ 80.245428][ T9040] ? walk_process_tree+0x2c0/0x2c0 [ 80.250529][ T9040] ? up_read+0xc4/0x200 [ 80.254679][ T9040] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.260305][ T9040] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.266452][ T9040] ? do_syscall_64+0x26/0x6a0 [ 80.271123][ T9040] ? lockdep_hardirqs_on+0x418/0x5d0 [ 80.276545][ T9040] __x64_sys_unshare+0x31/0x40 [ 80.281301][ T9040] do_syscall_64+0xfd/0x6a0 [ 80.285798][ T9040] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.291852][ T9040] RIP: 0033:0x4465f9 [ 80.295739][ T9040] 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 [ 80.315802][ T9040] RSP: 002b:00007f26e2104db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 80.324398][ T9040] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 80.332508][ T9040] RDX: 0000000000402634 RSI: 0ccc0b7b80edf86b RDI: 0000000040000000 [ 80.340543][ T9040] RBP: 00000000006dbc20 R08: 00007f26e2105700 R09: 0000000000000000 [ 80.348506][ T9040] R10: 00007f26e2105700 R11: 0000000000000246 R12: 00000000006dbc2c [ 80.356807][ T9040] R13: 00007ffcaeb3bf6f R14: 00007f26e21059c0 R15: 0000000000000000 [ 80.365218][ T9040] Modules linked in: [ 80.369776][ T9040] ---[ end trace 08ff1ba64c9fd7ea ]--- [ 80.375390][ T9040] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 80.380582][ T9040] 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 [ 80.400232][ T9040] RSP: 0018:ffff8880926b7b10 EFLAGS: 00010206 [ 80.406321][ T9040] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012bd2168 [ 80.414515][ T9040] RDX: 000000000000000a RSI: 1ffff11012bd216f RDI: 0000000000000282 [ 80.422699][ T9040] RBP: ffff8880926b7b50 R08: ffff888095e902c0 R09: 0000000000000002 [ 80.430800][ T9040] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 80.439053][ T9040] R13: ffff88808dc40440 R14: ffff88808ed2bb40 R15: dffffc0000000000 [ 80.447048][ T9040] FS: 00007f26e2105700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.456002][ T9040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.462604][ T9040] CR2: ffffffffff600400 CR3: 000000009a7c7000 CR4: 00000000001406f0 [ 80.470706][ T9040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.478844][ T9040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.486982][ T9040] Kernel panic - not syncing: Fatal exception [ 80.494507][ T9040] Kernel Offset: disabled [ 80.498841][ T9040] Rebooting in 86400 seconds..