[ 41.127378] audit: type=1800 audit(1550188026.702:26): pid=7859 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.168673] audit: type=1800 audit(1550188026.702:27): pid=7859 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.196291] audit: type=1800 audit(1550188026.702:28): pid=7859 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 41.883270] audit: type=1800 audit(1550188027.492:29): pid=7859 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.50' (ECDSA) to the list of known hosts. 2019/02/14 23:47:18 parsed 1 programs 2019/02/14 23:47:20 executed programs: 0 syzkaller login: [ 55.153972] IPVS: ftp: loaded support on port[0] = 21 [ 55.214717] chnl_net:caif_netlink_parms(): no params data found [ 55.248345] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.255320] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.262845] device bridge_slave_0 entered promiscuous mode [ 55.270425] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.276835] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.284111] device bridge_slave_1 entered promiscuous mode [ 55.301254] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.310360] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.327030] team0: Port device team_slave_0 added [ 55.333564] team0: Port device team_slave_1 added [ 55.399524] device hsr_slave_0 entered promiscuous mode [ 55.447954] device hsr_slave_1 entered promiscuous mode [ 55.514615] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.521272] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.528457] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.534833] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.567841] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.580175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.590862] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.598782] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.606198] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.617775] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.630215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.638142] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.645469] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.652679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.661033] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.667726] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.689073] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.697021] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.705982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.713853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.721544] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.731379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.748512] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.791183] 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. [ 55.999640] kasan: CONFIG_KASAN_INLINE enabled [ 56.005298] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 56.017155] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 56.023417] CPU: 1 PID: 8046 Comm: syz-executor.0 Not tainted 5.0.0-rc6+ #71 [ 56.030718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.040089] RIP: 0010:__dentry_path+0x49e/0x7c0 [ 56.044791] 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 [ 56.064149] RSP: 0018:ffff888086e4fad0 EFLAGS: 00010293 [ 56.069509] RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffffff81bcfaf2 [ 56.076884] RDX: 0000000000000000 RSI: ffffffff81bcfb00 RDI: 0000000000000001 [ 56.084146] RBP: ffff888086e4fbc0 R08: ffff88808ec36340 R09: 0000000000000000 [ 56.091450] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 56.098715] R13: ffff888086e4fb98 R14: ffff888083b5703e R15: 0000000000000b00 [ 56.106091] FS: 00007f7fc1664700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 56.114432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.120415] CR2: 00007fdc0e707000 CR3: 0000000098f6e000 CR4: 00000000001426e0 [ 56.127920] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.135227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.142628] Call Trace: [ 56.145211] ? simple_dname+0x1f0/0x1f0 [ 56.149291] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 56.154888] ? kmem_cache_alloc_trace+0x354/0x760 [ 56.159735] dentry_path_raw+0x26/0x30 [ 56.163620] kvm_uevent_notify_change.part.0+0x213/0x440 [ 56.169066] kvm_dev_ioctl+0x1132/0x1750 [ 56.173124] ? kvm_debugfs_release+0x90/0x90 [ 56.177519] ? find_held_lock+0x35/0x130 [ 56.181566] ? __fget+0x340/0x540 [ 56.185014] ? kvm_debugfs_release+0x90/0x90 [ 56.189412] do_vfs_ioctl+0xd6e/0x1390 [ 56.193296] ? ioctl_preallocate+0x210/0x210 [ 56.197697] ? smack_file_ioctl+0x196/0x300 [ 56.202013] ? smack_file_lock+0x240/0x240 [ 56.206231] ? __fget+0x367/0x540 [ 56.209672] ? nsecs_to_jiffies+0x30/0x30 [ 56.213811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.219335] ? security_file_ioctl+0x93/0xc0 [ 56.223797] ksys_ioctl+0xab/0xd0 [ 56.227263] __x64_sys_ioctl+0x73/0xb0 [ 56.231168] do_syscall_64+0x103/0x610 [ 56.235048] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.240317] RIP: 0033:0x457e29 [ 56.243502] 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 [ 56.262399] RSP: 002b:00007f7fc1663c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.270274] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 [ 56.277833] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000006 [ 56.285240] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.292829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7fc16646d4 [ 56.300146] R13: 00000000004c093b R14: 00000000004d26b0 R15: 00000000ffffffff [ 56.307429] Modules linked in: [ 56.311825] ---[ end trace 0108909f906a5500 ]--- [ 56.316590] RIP: 0010:__dentry_path+0x49e/0x7c0 [ 56.321304] 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 [ 56.340255] RSP: 0018:ffff888086e4fad0 EFLAGS: 00010293 [ 56.345617] RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffffff81bcfaf2 [ 56.352972] RDX: 0000000000000000 RSI: ffffffff81bcfb00 RDI: 0000000000000001 [ 56.360275] RBP: ffff888086e4fbc0 R08: ffff88808ec36340 R09: 0000000000000000 [ 56.368410] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 56.375906] R13: ffff888086e4fb98 R14: ffff888083b5703e R15: 0000000000000b00 [ 56.383630] FS: 00007f7fc1664700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 56.392209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.398130] CR2: 00007fdc0e707000 CR3: 0000000098f6e000 CR4: 00000000001426e0 [ 56.405534] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.412925] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.420314] Kernel panic - not syncing: Fatal exception [ 56.426656] Kernel Offset: disabled [ 56.430282] Rebooting in 86400 seconds..