[ 43.110502][ T25] audit: type=1800 audit(1575389894.851:26): pid=7990 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.152368][ T25] audit: type=1800 audit(1575389894.851:27): pid=7990 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.175652][ T25] audit: type=1800 audit(1575389894.851:28): pid=7990 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. [ 43.911722][ T25] audit: type=1800 audit(1575389895.661:29): pid=7990 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 '10.128.1.50' (ECDSA) to the list of known hosts. 2019/12/03 16:18:25 fuzzer started 2019/12/03 16:18:27 dialing manager at 10.128.0.26:45711 2019/12/03 16:18:27 syscalls: 2689 2019/12/03 16:18:27 code coverage: enabled 2019/12/03 16:18:27 comparison tracing: enabled 2019/12/03 16:18:27 extra coverage: extra coverage is not supported by the kernel 2019/12/03 16:18:27 setuid sandbox: enabled 2019/12/03 16:18:27 namespace sandbox: enabled 2019/12/03 16:18:27 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 16:18:27 fault injection: enabled 2019/12/03 16:18:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 16:18:27 net packet injection: enabled 2019/12/03 16:18:27 net device setup: enabled 2019/12/03 16:18:27 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 16:18:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 16:18:28 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_GET_NESTED_STATE(r2, 0xc018ae85, &(0x7f0000000440)={0x0, 0x0, 0x2080}) 16:18:28 executing program 1: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001900)=[{&(0x7f0000000100)="2e0000003500050ad25a80648c6356c10224fc001000000a0a000400030082c1b0acea8b0900018004021700d1bd", 0x2e}], 0x1}, 0x0) syzkaller login: [ 56.504006][ T8154] IPVS: ftp: loaded support on port[0] = 21 [ 56.629406][ T8154] chnl_net:caif_netlink_parms(): no params data found [ 56.669089][ T8157] IPVS: ftp: loaded support on port[0] = 21 [ 56.699293][ T8154] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.716162][ T8154] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.724315][ T8154] device bridge_slave_0 entered promiscuous mode 16:18:28 executing program 2: r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x20, 0x101002) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write$evdev(r0, &(0x7f00000001c0)=[{{0x77359400}, 0x4, 0x3a}], 0x214) [ 56.748378][ T8154] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.756138][ T8154] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.764044][ T8154] device bridge_slave_1 entered promiscuous mode [ 56.813717][ T8154] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.852496][ T8154] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.896406][ T8157] chnl_net:caif_netlink_parms(): no params data found [ 56.910399][ T8154] team0: Port device team_slave_0 added [ 56.934074][ T8154] team0: Port device team_slave_1 added [ 56.973628][ T8160] IPVS: ftp: loaded support on port[0] = 21 [ 57.006625][ T8157] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.013729][ T8157] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.022050][ T8157] device bridge_slave_0 entered promiscuous mode 16:18:28 executing program 3: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x0, 0x31, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) mlock(&(0x7f0000c7a000/0x3000)=nil, 0x3000) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mremap(&(0x7f00005d4000/0x2000)=nil, 0x2000, 0x4000, 0x3, &(0x7f0000d0b000/0x4000)=nil) [ 57.078035][ T8154] device hsr_slave_0 entered promiscuous mode [ 57.147240][ T8154] device hsr_slave_1 entered promiscuous mode [ 57.207721][ T8157] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.215137][ T8157] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.223430][ T8157] device bridge_slave_1 entered promiscuous mode [ 57.250024][ T8162] IPVS: ftp: loaded support on port[0] = 21 16:18:29 executing program 4: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x11, 0x2, 0x0) setsockopt$sock_attach_bpf(r0, 0x107, 0x14, &(0x7f0000000080), 0x4) sendmsg$kcm(r0, &(0x7f0000007780)={&(0x7f0000000000)=@caif=@rfm={0x25, 0xb, "f5db2f49ebebd4068bb8c9fc36efba56"}, 0x80, 0x0}, 0x0) [ 57.299355][ T8157] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.329831][ T8154] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.399150][ T8154] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.446744][ T8157] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.471835][ T8154] netdevsim netdevsim0 netdevsim2: renamed from eth2 16:18:29 executing program 5: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000740)=ANY=[@ANYBLOB="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"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_CREATE_OPEN(r2, &(0x7f0000000400)={0xa0}, 0xa0) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000300)='9p\x00', 0x0, &(0x7f00000005c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2]) mknod$loop(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) [ 57.592312][ T8157] team0: Port device team_slave_0 added [ 57.599132][ T8154] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.691846][ T8157] team0: Port device team_slave_1 added [ 57.712668][ T8164] IPVS: ftp: loaded support on port[0] = 21 [ 57.759971][ T8162] chnl_net:caif_netlink_parms(): no params data found [ 57.769994][ T8166] IPVS: ftp: loaded support on port[0] = 21 [ 57.836734][ T8157] device hsr_slave_0 entered promiscuous mode [ 57.884648][ T8157] device hsr_slave_1 entered promiscuous mode [ 57.954536][ T8157] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.977863][ T8160] chnl_net:caif_netlink_parms(): no params data found [ 58.051549][ T8160] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.060294][ T8160] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.068175][ T8160] device bridge_slave_0 entered promiscuous mode [ 58.087207][ T8162] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.095715][ T8162] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.103448][ T8162] device bridge_slave_0 entered promiscuous mode [ 58.111698][ T8162] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.119073][ T8162] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.127787][ T8162] device bridge_slave_1 entered promiscuous mode [ 58.135378][ T8160] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.147805][ T8160] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.155585][ T8160] device bridge_slave_1 entered promiscuous mode [ 58.198944][ T8160] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.263328][ T8166] chnl_net:caif_netlink_parms(): no params data found [ 58.276114][ T8160] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.296959][ T8162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.309337][ T8157] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.368253][ T8160] team0: Port device team_slave_0 added [ 58.375456][ T8162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.386485][ T8157] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.438755][ T8160] team0: Port device team_slave_1 added [ 58.460806][ T8157] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.509929][ T8154] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.522803][ T8166] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.530086][ T8166] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.537822][ T8166] device bridge_slave_0 entered promiscuous mode [ 58.577884][ T8160] device hsr_slave_0 entered promiscuous mode [ 58.614675][ T8160] device hsr_slave_1 entered promiscuous mode [ 58.664422][ T8160] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.676361][ T8157] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.745802][ T8154] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.758436][ T8166] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.766173][ T8166] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.773897][ T8166] device bridge_slave_1 entered promiscuous mode [ 58.794052][ T8162] team0: Port device team_slave_0 added [ 58.803580][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.813255][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.860362][ T8162] team0: Port device team_slave_1 added [ 58.876883][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.886167][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.895338][ T3207] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.902559][ T3207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.910715][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.919468][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.928243][ T3207] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.935343][ T3207] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.943068][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.955390][ T8164] chnl_net:caif_netlink_parms(): no params data found [ 58.969470][ T8166] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.981887][ T8166] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.996581][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.005584][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.013983][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.025248][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.036430][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.070559][ T8160] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.146205][ T8160] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.246463][ T8162] device hsr_slave_0 entered promiscuous mode [ 59.294539][ T8162] device hsr_slave_1 entered promiscuous mode [ 59.344519][ T8162] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.352192][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.360773][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.369639][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.378697][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.387783][ T8160] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.440807][ T8160] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.515969][ T8166] team0: Port device team_slave_0 added [ 59.533756][ T8157] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.547025][ T8154] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.558600][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.568444][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.577736][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.587042][ T8166] team0: Port device team_slave_1 added [ 59.612803][ T8157] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.622534][ T8164] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.629856][ T8164] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.637872][ T8164] device bridge_slave_0 entered promiscuous mode [ 59.645917][ T8164] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.653055][ T8164] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.663637][ T8164] device bridge_slave_1 entered promiscuous mode [ 59.726214][ T8166] device hsr_slave_0 entered promiscuous mode [ 59.774738][ T8166] device hsr_slave_1 entered promiscuous mode [ 59.804337][ T8166] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.815905][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.823692][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.844334][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.853482][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.862054][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.869238][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.876882][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.885759][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.894135][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.901253][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.908869][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.918349][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.926829][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.935457][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.943689][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.952193][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.976196][ T8154] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.984880][ T8162] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.006500][ T8162] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.041471][ T8157] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.057160][ T8157] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.069022][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.077062][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.085544][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.092984][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.100823][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.109762][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.118316][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.126596][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.136853][ T8164] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.151769][ T8164] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.165343][ T8162] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.219148][ T8162] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.267762][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.336283][ T8177] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 60.346571][ T8164] team0: Port device team_slave_0 added [ 60.370066][ T8157] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.388640][ T8160] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.396389][ T8166] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.419167][ T8166] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 165.424204][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.430996][ C0] rcu: 0-...!: (1 GPs behind) idle=24a/1/0x4000000000000002 softirq=11420/11423 fqs=35 [ 165.440957][ C0] (t=10501 jiffies g=6249 q=68) [ 165.445883][ C0] rcu: rcu_preempt kthread starved for 10432 jiffies! g6249 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.456962][ C0] rcu: RCU grace-period kthread stack dump: [ 165.462837][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 165.470736][ C0] Call Trace: [ 165.474020][ C0] __schedule+0x9a0/0xcc0 [ 165.478345][ C0] schedule+0x181/0x210 [ 165.482486][ C0] schedule_timeout+0x14f/0x240 [ 165.487321][ C0] ? run_local_timers+0x120/0x120 [ 165.492593][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.497350][ C0] kthread+0x332/0x350 [ 165.501399][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.506494][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.511074][ C0] ret_from_fork+0x24/0x30 [ 165.515491][ C0] NMI backtrace for cpu 0 [ 165.519805][ C0] CPU: 0 PID: 8177 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 165.528022][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.539984][ C0] Call Trace: [ 165.543270][ C0] [ 165.546128][ C0] dump_stack+0x1fb/0x318 [ 165.550457][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.555293][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.561519][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.567575][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.573545][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.579443][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.584549][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.589743][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.594755][ C0] update_process_times+0x12d/0x180 [ 165.599947][ C0] tick_sched_timer+0x263/0x420 [ 165.604781][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.610313][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.615515][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.620542][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.625821][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.631356][ C0] apic_timer_interrupt+0xf/0x20 [ 165.636274][ C0] [ 165.639203][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 165.645345][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 [ 165.664940][ C0] RSP: 0018:ffffc900022a7900 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.673347][ C0] RAX: 1ffff1101477ec91 RBX: ffffea0001b1f3c0 RCX: 0000000000040000 [ 165.681304][ C0] RDX: ffffc90002029000 RSI: 000000000003ffff RDI: 0000000000040000 [ 165.689272][ C0] RBP: ffffc900022a7940 R08: 000000000003a768 R09: ffffed1012c862df [ 165.697236][ C0] R10: ffffed1012c862df R11: 0000000000000000 R12: ffff8880a3bf6520 [ 165.705193][ C0] R13: dffffc0000000000 R14: 1ffff1101477eca4 R15: ffff8880964316e8 [ 165.713176][ C0] ? free_thread_stack+0x124/0x590 [ 165.718286][ C0] put_task_stack+0xa3/0x130 [ 165.722865][ C0] finish_task_switch+0x3f1/0x550 [ 165.727884][ C0] __schedule+0x9a8/0xcc0 [ 165.732209][ C0] schedule+0x181/0x210 [ 165.736377][ C0] schedule_timeout+0x46/0x240 [ 165.741136][ C0] do_wait_for_common+0x2e7/0x4d0 [ 165.746149][ C0] ? console_conditional_schedule+0x40/0x40 [ 165.752033][ C0] ? do_task_dead+0xc0/0xc0 [ 165.756527][ C0] wait_for_completion+0x47/0x60 [ 165.761538][ C0] kvm_vm_create_worker_thread+0x1d2/0x2b0 [ 165.767330][ C0] ? kvm_mmu_post_init_vm+0x80/0x80 [ 165.772523][ C0] ? kvm_mmu_post_init_vm+0x80/0x80 [ 165.777710][ C0] kvm_mmu_post_init_vm+0x31/0x80 [ 165.782723][ C0] kvm_arch_post_init_vm+0x15/0x20 [ 165.787828][ C0] kvm_dev_ioctl+0x17da/0x2110 [ 165.792588][ C0] ? kvm_reboot+0x40/0x40 [ 165.796904][ C0] do_vfs_ioctl+0x70b/0x1a30 [ 165.801477][ C0] ? __fget+0x441/0x510 [ 165.805626][ C0] ? tomoyo_file_ioctl+0x23/0x30 [ 165.810547][ C0] ? security_file_ioctl+0xa1/0xd0 [ 165.815645][ C0] __x64_sys_ioctl+0xe3/0x120 [ 165.820317][ C0] do_syscall_64+0xf7/0x1c0 [ 165.824814][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.830701][ C0] RIP: 0033:0x45a679 [ 165.834582][ C0] Code: ad b6 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 165.854334][ C0] RSP: 002b:00007fde3aad9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 165.862753][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 165.870716][ C0] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003 [ 165.878674][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 165.886727][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fde3aada6d4 [ 165.894703][ C0] R13: 00000000004c3a43 R14: 00000000004d8f78 R15: 00000000ffffffff