[ 39.267353] audit: type=1800 audit(1550185417.961:26): pid=7674 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.308959] audit: type=1800 audit(1550185417.971:27): pid=7674 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.330282] audit: type=1800 audit(1550185417.971:28): pid=7674 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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. [ 40.451738] audit: type=1800 audit(1550185419.171:29): pid=7674 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.58' (ECDSA) to the list of known hosts. 2019/02/14 23:03:48 parsed 1 programs 2019/02/14 23:03:51 executed programs: 0 syzkaller login: [ 52.396784] IPVS: ftp: loaded support on port[0] = 21 [ 52.456960] chnl_net:caif_netlink_parms(): no params data found [ 52.487441] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.494035] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.501139] device bridge_slave_0 entered promiscuous mode [ 52.508421] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.514788] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.521862] device bridge_slave_1 entered promiscuous mode [ 52.536770] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.546011] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.562749] team0: Port device team_slave_0 added [ 52.568947] team0: Port device team_slave_1 added [ 52.629098] device hsr_slave_0 entered promiscuous mode [ 52.667468] device hsr_slave_1 entered promiscuous mode [ 52.714691] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.721118] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.728006] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.734349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.764297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.775148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.794750] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.802140] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.809887] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.820654] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.829303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.836866] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.843276] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.852847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.861057] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.867425] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.888675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.896499] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.904834] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.912349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.920141] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.929802] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.945389] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.991594] 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. [ 54.669868] BUG: unable to handle kernel paging request at ffff888092673000 [ 54.676969] #PF error: [PROT] [WRITE] [RSVD] [ 54.681372] PGD b201067 P4D b201067 PUD 21ffff067 PMD 80000000926001e3 [ 54.688215] Oops: 000b [#1] PREEMPT SMP KASAN [ 54.692696] CPU: 1 PID: 7925 Comm: syz-executor.0 Not tainted 5.0.0-rc6+ #72 [ 54.699859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.709209] RIP: 0010:mmu_page_zap_pte+0x18a/0x250 [ 54.714125] Code: 8b 73 28 4c 89 e7 48 83 c6 48 e8 b1 3f ff ff 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 a4 00 00 00 <49> c7 04 24 00 00 00 00 41 be 01 00 00 00 e9 fd fe ff ff e8 1e 4c [ 54.733019] RSP: 0018:ffff8880a91b7b40 EFLAGS: 00010246 [ 54.738364] RAX: dffffc0000000000 RBX: ffffea00029aad40 RCX: ffffffff810ed4eb [ 54.745614] RDX: 1ffff110124ce600 RSI: ffffffff810ed514 RDI: 0000000000000007 [ 54.752879] RBP: ffff8880a91b7b68 R08: ffff88808ac641c0 R09: ffffed1015d25bd0 [ 54.760130] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: ffff888092673000 [ 54.767400] R13: 0000000000000004 R14: ffffc900062fd000 R15: 0000000000000000 [ 54.774658] FS: 00007fd2409fb700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 54.782872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.788734] CR2: ffff888092673000 CR3: 000000009e81b000 CR4: 00000000001426e0 [ 54.795986] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.803233] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.810479] Call Trace: [ 54.813059] kvm_mmu_prepare_zap_page+0x163/0x1170 [ 54.818004] ? paging64_gva_to_gpa_nested+0x1d0/0x1d0 [ 54.823181] kvm_mmu_invalidate_zap_all_pages+0x3ca/0x550 [ 54.828712] kvm_arch_flush_shadow_all+0x16/0x20 [ 54.833452] kvm_mmu_notifier_release+0x5c/0x90 [ 54.838104] ? kvm_vcpu_on_spin+0x550/0x550 [ 54.842408] mmu_notifier_unregister+0x137/0x410 [ 54.847153] ? free_pages+0x46/0x50 [ 54.850770] ? kvm_vcpu_on_spin+0x550/0x550 [ 54.855080] kvm_put_kvm+0x553/0xc70 [ 54.858780] ? kvm_vm_release+0x60/0x60 [ 54.862735] kvm_vcpu_release+0x7b/0xa0 [ 54.866695] __fput+0x2df/0x8d0 [ 54.869963] ____fput+0x16/0x20 [ 54.873241] task_work_run+0x14a/0x1c0 [ 54.877137] exit_to_usermode_loop+0x273/0x2c0 [ 54.881711] do_syscall_64+0x52d/0x610 [ 54.885598] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.890768] RIP: 0033:0x457e29 [ 54.893940] 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 [ 54.912834] RSP: 002b:00007fd2409fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.920526] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000457e29 [ 54.927820] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 54.935068] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.942334] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd2409fb6d4 [ 54.949583] R13: 00000000004c0d62 R14: 00000000004d2b18 R15: 00000000ffffffff [ 54.956832] Modules linked in: [ 54.960008] CR2: ffff888092673000 [ 54.963471] ---[ end trace d45fa86345e5d132 ]--- [ 54.968224] RIP: 0010:mmu_page_zap_pte+0x18a/0x250 [ 54.973134] Code: 8b 73 28 4c 89 e7 48 83 c6 48 e8 b1 3f ff ff 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 a4 00 00 00 <49> c7 04 24 00 00 00 00 41 be 01 00 00 00 e9 fd fe ff ff e8 1e 4c [ 54.992028] RSP: 0018:ffff8880a91b7b40 EFLAGS: 00010246 [ 54.997372] RAX: dffffc0000000000 RBX: ffffea00029aad40 RCX: ffffffff810ed4eb [ 55.004621] RDX: 1ffff110124ce600 RSI: ffffffff810ed514 RDI: 0000000000000007 [ 55.011872] RBP: ffff8880a91b7b68 R08: ffff88808ac641c0 R09: ffffed1015d25bd0 [ 55.019125] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: ffff888092673000 [ 55.026373] R13: 0000000000000004 R14: ffffc900062fd000 R15: 0000000000000000 [ 55.033624] FS: 00007fd2409fb700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 55.041834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.047696] CR2: ffff888092673000 CR3: 000000009e81b000 CR4: 00000000001426e0 [ 55.054950] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.062205] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.069452] Kernel panic - not syncing: Fatal exception [ 55.075642] Kernel Offset: disabled [ 55.079269] Rebooting in 86400 seconds..