[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 40.157555] audit: type=1800 audit(1550188576.222:25): pid=7738 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 40.193283] audit: type=1800 audit(1550188576.222:26): pid=7738 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.216732] audit: type=1800 audit(1550188576.222:27): pid=7738 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[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.57' (ECDSA) to the list of known hosts. 2019/02/14 23:56:44 parsed 1 programs 2019/02/14 23:56:46 executed programs: 0 syzkaller login: [ 70.798761] IPVS: ftp: loaded support on port[0] = 21 [ 70.853082] chnl_net:caif_netlink_parms(): no params data found [ 70.880762] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.887621] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.894621] device bridge_slave_0 entered promiscuous mode [ 70.901696] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.908119] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.915500] device bridge_slave_1 entered promiscuous mode [ 70.929997] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.940727] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.956515] team0: Port device team_slave_0 added [ 70.962362] team0: Port device team_slave_1 added [ 71.017011] device hsr_slave_0 entered promiscuous mode [ 71.065167] device hsr_slave_1 entered promiscuous mode [ 71.153401] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.160049] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.167204] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.173548] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.202717] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.214087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.225641] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.233289] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.240896] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.251430] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.260345] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.268598] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.275150] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.284670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.292881] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.299372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.317849] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.326047] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.333672] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.342486] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.353334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.362425] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.377651] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.416207] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details. [ 71.502921] kasan: CONFIG_KASAN_INLINE enabled [ 71.509832] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 71.517614] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 71.523854] CPU: 0 PID: 7921 Comm: syz-executor.0 Not tainted 5.0.0-rc6+ #71 [ 71.531176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.540848] RIP: 0010:__dentry_path+0x49e/0x7c0 [ 71.545743] Code: 89 fc 41 83 e4 01 44 89 e6 e8 6e e7 b2 ff 45 84 e4 0f 85 04 02 00 00 e8 20 e6 b2 ff 48 8b 85 18 ff ff ff 44 89 bd 40 ff ff ff <80> 38 00 0f 85 f9 02 00 00 48 8b 85 38 ff ff ff 41 83 e7 01 44 89 [ 71.565065] RSP: 0018:ffff8880a3c97ad0 EFLAGS: 00010293 [ 71.570592] RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffffff81bcfaf2 [ 71.578217] RDX: 0000000000000000 RSI: ffffffff81bcfb00 RDI: 0000000000000001 [ 71.585653] RBP: ffff8880a3c97bc0 R08: ffff888083f461c0 R09: 0000000000000000 [ 71.593047] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 71.601029] R13: ffff8880a3c97b98 R14: ffff88808855163e R15: 0000000000000ae8 [ 71.608437] FS: 00007f9c971fc700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 71.616659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.622710] CR2: 00007fd65220e000 CR3: 000000009562c000 CR4: 00000000001426f0 [ 71.630192] Call Trace: [ 71.632817] ? simple_dname+0x1f0/0x1f0 [ 71.636916] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 71.642369] ? kmem_cache_alloc_trace+0x354/0x760 [ 71.647318] dentry_path_raw+0x26/0x30 [ 71.651209] kvm_uevent_notify_change.part.0+0x213/0x440 [ 71.656680] kvm_dev_ioctl+0x1132/0x1750 [ 71.660894] ? kvm_debugfs_release+0x90/0x90 [ 71.665319] ? find_held_lock+0x35/0x130 [ 71.669386] ? __fget+0x340/0x540 [ 71.672852] ? kvm_debugfs_release+0x90/0x90 [ 71.677260] do_vfs_ioctl+0xd6e/0x1390 [ 71.681146] ? ioctl_preallocate+0x210/0x210 [ 71.685553] ? __fget+0x367/0x540 [ 71.689114] ? iterate_fd+0x360/0x360 [ 71.692914] ? nsecs_to_jiffies+0x30/0x30 [ 71.697062] ? security_file_ioctl+0x93/0xc0 [ 71.701468] ksys_ioctl+0xab/0xd0 [ 71.704940] __x64_sys_ioctl+0x73/0xb0 [ 71.709033] do_syscall_64+0x103/0x610 [ 71.712968] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.718342] RIP: 0033:0x457e29 [ 71.721536] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.741001] RSP: 002b:00007f9c971fbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 71.748705] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 [ 71.756180] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000006 [ 71.763558] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 71.770955] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9c971fc6d4 [ 71.778226] R13: 00000000004c093b R14: 00000000004d26b0 R15: 00000000ffffffff [ 71.785941] Modules linked in: [ 71.790498] ---[ end trace c96d5f309d172f9d ]--- [ 71.795457] RIP: 0010:__dentry_path+0x49e/0x7c0 [ 71.800136] Code: 89 fc 41 83 e4 01 44 89 e6 e8 6e e7 b2 ff 45 84 e4 0f 85 04 02 00 00 e8 20 e6 b2 ff 48 8b 85 18 ff ff ff 44 89 bd 40 ff ff ff <80> 38 00 0f 85 f9 02 00 00 48 8b 85 38 ff ff ff 41 83 e7 01 44 89 [ 71.819501] RSP: 0018:ffff8880a3c97ad0 EFLAGS: 00010293 [ 71.824930] RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffffff81bcfaf2 [ 71.832211] RDX: 0000000000000000 RSI: ffffffff81bcfb00 RDI: 0000000000000001 [ 71.839691] RBP: ffff8880a3c97bc0 R08: ffff888083f461c0 R09: 0000000000000000 [ 71.847188] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 71.854463] R13: ffff8880a3c97b98 R14: ffff88808855163e R15: 0000000000000ae8 [ 71.861774] FS: 00007f9c971fc700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 71.870060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.875987] CR2: 00007fd65220e000 CR3: 000000009562c000 CR4: 00000000001426f0 [ 71.883360] Kernel panic - not syncing: Fatal exception [ 71.889962] Kernel Offset: disabled [ 71.893591] Rebooting in 86400 seconds..