[ 37.893174] audit: type=1800 audit(1550997437.982:26): pid=7627 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 37.920601] audit: type=1800 audit(1550997437.982:27): pid=7627 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.944459] audit: type=1800 audit(1550997437.982:28): pid=7627 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. [ 38.758097] audit: type=1800 audit(1550997438.882:29): pid=7627 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 '10.128.0.10' (ECDSA) to the list of known hosts. 2019/02/24 08:38:08 parsed 1 programs 2019/02/24 08:38:10 executed programs: 0 syzkaller login: [ 90.144809] IPVS: ftp: loaded support on port[0] = 21 [ 90.200795] chnl_net:caif_netlink_parms(): no params data found [ 90.230844] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.237597] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.244648] device bridge_slave_0 entered promiscuous mode [ 90.252343] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.258830] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.265632] device bridge_slave_1 entered promiscuous mode [ 90.280726] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 90.289537] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 90.304436] team0: Port device team_slave_0 added [ 90.310700] team0: Port device team_slave_1 added [ 90.358072] device hsr_slave_0 entered promiscuous mode [ 90.396363] device hsr_slave_1 entered promiscuous mode [ 90.464392] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.470859] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.477710] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.484039] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.512859] 8021q: adding VLAN 0 to HW filter on device bond0 [ 90.523470] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 90.543741] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.551816] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.560371] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 90.570662] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.579652] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.587351] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.593676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.606494] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.614132] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.620540] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.630898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.639834] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 90.654711] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 90.665351] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 90.677310] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.685130] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.693028] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.701237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 90.719242] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.762947] 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. 2019/02/24 08:38:15 executed programs: 93 2019/02/24 08:38:20 executed programs: 204 2019/02/24 08:38:25 executed programs: 316 2019/02/24 08:38:30 executed programs: 424 [ 110.778702] kasan: CONFIG_KASAN_INLINE enabled [ 110.783558] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 110.791870] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 110.798110] CPU: 0 PID: 9539 Comm: syz-executor.0 Not tainted 5.0.0-rc7+ #85 [ 110.805288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.814653] RIP: 0010:__dentry_path+0x49e/0x7c0 [ 110.819322] Code: 89 fc 41 83 e4 01 44 89 e6 e8 5e e3 b2 ff 45 84 e4 0f 85 04 02 00 00 e8 10 e2 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 [ 110.838240] RSP: 0018:ffff888091937ad0 EFLAGS: 00010293 [ 110.843602] RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffffff81bcff62 [ 110.850869] RDX: 0000000000000000 RSI: ffffffff81bcff70 RDI: 0000000000000001 [ 110.858149] RBP: ffff888091937bc0 R08: ffff888094ed4700 R09: 0000000000000000 [ 110.865428] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 110.872699] R13: ffff888091937b98 R14: ffff8880913c7c7e R15: 0000000000002778 [ 110.879964] FS: 00007febd8332700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 110.888210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.894085] CR2: 00007f4526a40000 CR3: 00000000a8aec000 CR4: 00000000001426f0 [ 110.901358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 110.908635] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 110.915896] Call Trace: [ 110.918494] ? simple_dname+0x1f0/0x1f0 [ 110.922464] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 110.927913] ? kmem_cache_alloc_trace+0x354/0x760 [ 110.932757] dentry_path_raw+0x26/0x30 [ 110.936647] kvm_uevent_notify_change.part.0+0x213/0x440 [ 110.942102] kvm_dev_ioctl+0x1132/0x1750 [ 110.946182] ? kvm_debugfs_release+0x90/0x90 [ 110.950603] ? find_held_lock+0x35/0x130 [ 110.954663] ? __fget+0x340/0x540 [ 110.958118] ? kvm_debugfs_release+0x90/0x90 [ 110.962526] do_vfs_ioctl+0xd6e/0x1390 [ 110.966419] ? ioctl_preallocate+0x210/0x210 [ 110.970826] ? smack_file_ioctl+0x196/0x300 [ 110.975143] ? smack_file_lock+0x240/0x240 [ 110.979386] ? __fget+0x367/0x540 [ 110.982850] ? nsecs_to_jiffies+0x30/0x30 [ 110.986998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.992539] ? security_file_ioctl+0x93/0xc0 [ 110.996955] ksys_ioctl+0xab/0xd0 [ 111.000412] __x64_sys_ioctl+0x73/0xb0 [ 111.004320] do_syscall_64+0x103/0x610 [ 111.008303] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.013483] RIP: 0033:0x457e29 [ 111.016678] 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 [ 111.035583] RSP: 002b:00007febd8331c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 111.043292] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 [ 111.050579] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000007 [ 111.057843] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 111.065107] R10: 0000000000000000 R11: 0000000000000246 R12: 00007febd83326d4 [ 111.072373] R13: 00000000004c093a R14: 00000000004d2750 R15: 00000000ffffffff [ 111.079646] Modules linked in: [ 111.083065] ---[ end trace 5060e07de0c52917 ]--- [ 111.087947] RIP: 0010:__dentry_path+0x49e/0x7c0 [ 111.092685] Code: 89 fc 41 83 e4 01 44 89 e6 e8 5e e3 b2 ff 45 84 e4 0f 85 04 02 00 00 e8 10 e2 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 [ 111.111748] RSP: 0018:ffff888091937ad0 EFLAGS: 00010293 [ 111.117217] RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffffff81bcff62 [ 111.124581] RDX: 0000000000000000 RSI: ffffffff81bcff70 RDI: 0000000000000001 [ 111.131952] RBP: ffff888091937bc0 R08: ffff888094ed4700 R09: 0000000000000000 [ 111.139328] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 111.146705] R13: ffff888091937b98 R14: ffff8880913c7c7e R15: 0000000000002778 [ 111.154043] FS: 00007febd8332700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 111.162376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.168335] CR2: 00007f4526a40000 CR3: 00000000a8aec000 CR4: 00000000001426f0 [ 111.175708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 111.183049] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 111.190398] Kernel panic - not syncing: Fatal exception [ 111.196763] Kernel Offset: disabled [ 111.200385] Rebooting in 86400 seconds..