[ 28.381288] audit: type=1800 audit(1539222778.232:27): pid=5575 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 28.401217] audit: type=1800 audit(1539222778.232:28): pid=5575 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. [ 28.739862] audit: type=1800 audit(1539222778.672:29): pid=5575 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 [ 28.759141] audit: type=1800 audit(1539222778.672:30): pid=5575 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.15' (ECDSA) to the list of known hosts. 2018/10/11 01:53:06 parsed 1 programs syzkaller login: [ 37.104970] as (5738) used greatest stack depth: 16352 bytes left 2018/10/11 01:53:08 executed programs: 0 [ 38.357229] IPVS: ftp: loaded support on port[0] = 21 [ 38.364611] IPVS: ftp: loaded support on port[0] = 21 [ 38.374145] IPVS: ftp: loaded support on port[0] = 21 [ 38.392010] IPVS: ftp: loaded support on port[0] = 21 [ 38.395520] IPVS: ftp: loaded support on port[0] = 21 [ 38.411499] IPVS: ftp: loaded support on port[0] = 21 [ 39.343154] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.351404] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.363232] device bridge_slave_0 entered promiscuous mode [ 39.375249] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.382399] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.389886] device bridge_slave_0 entered promiscuous mode [ 39.397880] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.404691] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.412943] device bridge_slave_0 entered promiscuous mode [ 39.419937] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.426280] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.433029] device bridge_slave_0 entered promiscuous mode [ 39.440849] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.447192] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.454332] device bridge_slave_0 entered promiscuous mode [ 39.462449] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.469702] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.476416] device bridge_slave_1 entered promiscuous mode [ 39.485013] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.491537] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.498674] device bridge_slave_0 entered promiscuous mode [ 39.506408] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.515158] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.522201] device bridge_slave_1 entered promiscuous mode [ 39.530149] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.536504] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.544496] device bridge_slave_1 entered promiscuous mode [ 39.551951] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.558289] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.565803] device bridge_slave_1 entered promiscuous mode [ 39.574266] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.583723] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.591290] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.598378] device bridge_slave_1 entered promiscuous mode [ 39.606029] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.613404] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.620551] device bridge_slave_1 entered promiscuous mode [ 39.627735] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.636566] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.647099] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.656963] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.665301] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.674330] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.685430] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.700738] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.724989] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.741667] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.753588] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.821888] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.859516] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.889035] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.908058] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.920299] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.930038] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.946972] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.957845] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.971464] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.996544] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.027496] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.037653] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.060164] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.072727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.089649] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.097381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.110735] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.127717] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.142223] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.151888] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.171894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.181825] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.195017] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.203594] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.213248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.223670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.236026] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.243397] team0: Port device team_slave_0 added [ 40.277514] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.285514] team0: Port device team_slave_1 added [ 40.304036] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.316614] team0: Port device team_slave_0 added [ 40.324498] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.339124] team0: Port device team_slave_0 added [ 40.360830] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 40.368862] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.376655] team0: Port device team_slave_1 added [ 40.387306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.397768] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.415159] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.426832] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.437975] team0: Port device team_slave_0 added [ 40.448766] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.457103] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.466147] team0: Port device team_slave_0 added [ 40.473522] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.481322] team0: Port device team_slave_0 added [ 40.486587] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.495530] team0: Port device team_slave_1 added [ 40.502268] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.515781] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.525075] team0: Port device team_slave_1 added [ 40.532215] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.543087] team0: Port device team_slave_1 added [ 40.549219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.567667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.575380] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.584388] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.591400] team0: Port device team_slave_1 added [ 40.599607] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.610751] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.620806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.633193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.641882] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.653122] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.666503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.679140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.686929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.695810] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.707720] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.718504] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.728879] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.740730] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.748325] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.759230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.768027] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.776389] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.785716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.795400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.803484] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.818915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.828870] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.838454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.856037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.866304] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.875734] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.886229] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.900223] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.910902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.919087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.926801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.936261] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.944274] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.952052] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.963265] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.979155] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.986169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.997038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.009326] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.017562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.290818] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.297204] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.303822] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.310204] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.318509] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.368250] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.374642] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.381253] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.387594] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.394813] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.474233] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.480635] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.487248] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.493663] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.506633] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.550364] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.556771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.563436] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.569821] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.581191] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.599369] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.605712] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.612346] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.618747] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.634457] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.642221] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.648602] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.655197] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.661576] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.669087] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.103693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.119376] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.126991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.134735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.141984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.149279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.201013] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.252687] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.377772] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.413313] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.438352] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.454616] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.466691] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.559356] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.566558] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.584680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.599279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.613845] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.633905] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.664303] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.675568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.683592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.693860] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.740022] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.785535] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.803904] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.814374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.822515] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.836244] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.848225] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.859909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.866776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.934966] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.944244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.953385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.977706] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.992732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.004701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.018781] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.025997] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.109666] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.192464] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.893902] 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. [ 44.929275] ------------[ cut here ]------------ [ 44.934046] kernel BUG at arch/x86/kvm/x86.c:353! [ 44.939095] ------------[ cut here ]------------ [ 44.943189] kobject: 'kvm' (000000009fc6bcd8): kobject_uevent_env [ 44.943852] kernel BUG at arch/x86/kvm/x86.c:353! [ 44.943867] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 44.943878] CPU: 0 PID: 7258 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #276 [ 44.943888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.959129] kobject: 'kvm' (000000009fc6bcd8): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 44.960354] RIP: 0010:kvm_spurious_fault+0x9/0x10 [ 44.960366] Code: 45 10 50 e8 e9 44 7c 00 58 5a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 97 03 73 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 89 fd 41 54 [ 44.960378] RSP: 0018:ffff8801d48473d0 EFLAGS: 00010293 [ 45.014372] kobject: 'loop2' (000000004dd1079a): kobject_uevent_env [ 45.015383] RAX: ffff8801bb14a080 RBX: 1ffff1003a908e7e RCX: ffffffff81385bcc [ 45.015390] RDX: 0000000000000000 RSI: ffffffff810bd1f9 RDI: ffff8801d4847410 [ 45.015397] RBP: ffff8801d48473d0 R08: ffff8801bb14a080 R09: ffff8801bf2a4000 [ 45.015404] R10: ffffed0037e549ff R11: ffff8801bf2a4fff R12: ffff8801d4847450 [ 45.015416] R13: dffffc0000000000 R14: ffff8801bf2a4000 R15: ffff8801d4847410 [ 45.022608] kobject: 'kvm' (000000009fc6bcd8): kobject_uevent_env [ 45.029104] FS: 00007f10dba67700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 45.029112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.029119] CR2: ffff8801d4847410 CR3: 00000001be825000 CR4: 00000000001426f0 [ 45.029126] Call Trace: [ 45.029148] kvm_fastop_exception+0x50b/0x5455 [ 45.038109] kobject: 'loop2' (000000004dd1079a): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 45.043656] ? vmcs_clear+0x94/0x100 [ 45.043679] ? vmx_set_cr3+0x7a0/0x7a0 [ 45.043708] ? memset+0x31/0x40 [ 45.056910] kobject: 'kvm' (000000009fc6bcd8): kobject_uevent_env [ 45.058263] alloc_loaded_vmcs+0x7f/0x280 [ 45.058277] vmx_create_vcpu+0x20e/0x25e0 [ 45.058293] ? vmx_free_vcpu+0x300/0x300 [ 45.064586] kobject: 'kvm' (000000009fc6bcd8): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 45.072741] ? kasan_check_write+0x14/0x20 [ 45.072755] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 45.072769] ? wait_for_completion+0x8a0/0x8a0 [ 45.072799] kvm_arch_vcpu_create+0xe5/0x220 [ 45.079067] kobject: 'kvm' (000000009fc6bcd8): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 45.085946] ? kvm_arch_vcpu_free+0x90/0x90 [ 45.085962] kvm_vm_ioctl+0x470/0x1d40 [ 45.085976] ? kvm_set_memory_region+0x50/0x50 [ 45.105998] kobject: 'kvm' (000000009fc6bcd8): kobject_uevent_env [ 45.106325] ? mark_held_locks+0x130/0x130 [ 45.106364] ? __fget+0x4aa/0x740 [ 45.116172] ------------[ cut here ]------------ [ 45.119730] ? lock_downgrade+0x900/0x900 [ 45.123872] kernel BUG at arch/x86/kvm/x86.c:353! [ 45.128014] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 45.132409] kobject: 'kvm' (000000009fc6bcd8): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 45.141057] ? __fget+0x4d1/0x740 [ 45.141076] ? ksys_dup3+0x680/0x680 [ 45.141092] ? __might_fault+0x12b/0x1e0 [ 45.141110] ? lock_downgrade+0x900/0x900 [ 45.238739] ? lock_release+0x970/0x970 [ 45.242712] ? arch_local_save_flags+0x40/0x40 [ 45.247294] ? kvm_set_memory_region+0x50/0x50 [ 45.251868] do_vfs_ioctl+0x1de/0x1720 [ 45.255778] ? ioctl_preallocate+0x300/0x300 [ 45.260205] ? __fget_light+0x2e9/0x430 [ 45.264190] ? fget_raw+0x20/0x20 [ 45.267645] ? _copy_to_user+0xc8/0x110 [ 45.271612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.277144] ? put_timespec64+0x10f/0x1b0 [ 45.281312] ? finish_task_switch+0x1f5/0x900 [ 45.285810] ? nsecs_to_jiffies+0x30/0x30 [ 45.289977] ? lock_downgrade+0x900/0x900 [ 45.294146] ? security_file_ioctl+0x94/0xc0 [ 45.298558] ksys_ioctl+0xa9/0xd0 [ 45.302011] __x64_sys_ioctl+0x73/0xb0 [ 45.305931] do_syscall_64+0x1b9/0x820 [ 45.309840] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 45.315200] ? syscall_return_slowpath+0x5e0/0x5e0 [ 45.320166] ? trace_hardirqs_on_caller+0x310/0x310 [ 45.325186] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 45.330202] ? recalc_sigpending_tsk+0x180/0x180 [ 45.334962] ? kasan_check_write+0x14/0x20 [ 45.339202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.344042] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.349313] RIP: 0033:0x457519 [ 45.352512] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.371406] RSP: 002b:00007f10dba66c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.379138] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 45.386427] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 45.393696] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 45.400967] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10dba676d4 [ 45.408242] R13: 00000000004bfbb7 R14: 00000000004cfc40 R15: 00000000ffffffff [ 45.415511] Modules linked in: [ 45.418721] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 45.424120] CPU: 1 PID: 7270 Comm: syz-executor2 Tainted: G D 4.19.0-rc7+ #276 [ 45.432786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.442158] RIP: 0010:kvm_spurious_fault+0x9/0