[ 40.820867][ T25] audit: type=1800 audit(1575434516.260:27): pid=7848 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.856195][ T25] audit: type=1800 audit(1575434516.270:28): pid=7848 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. [ 41.440092][ T7911] sshd (7911) used greatest stack depth: 23904 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 41.782255][ T25] audit: type=1800 audit(1575434517.280:29): pid=7848 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 '10.128.15.206' (ECDSA) to the list of known hosts. 2019/12/04 04:42:04 fuzzer started 2019/12/04 04:42:06 dialing manager at 10.128.0.26:42111 2019/12/04 04:42:06 syscalls: 2689 2019/12/04 04:42:06 code coverage: enabled 2019/12/04 04:42:06 comparison tracing: enabled 2019/12/04 04:42:06 extra coverage: extra coverage is not supported by the kernel 2019/12/04 04:42:06 setuid sandbox: enabled 2019/12/04 04:42:06 namespace sandbox: enabled 2019/12/04 04:42:06 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 04:42:06 fault injection: enabled 2019/12/04 04:42:06 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 04:42:06 net packet injection: enabled 2019/12/04 04:42:06 net device setup: enabled 2019/12/04 04:42:06 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 04:42:06 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:42:07 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000400)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000001c0)={[{@lowerdir={'lowerdir', 0x3d, './bus'}}, {@workdir={'workdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) 04:42:07 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$inet_udp(0x2, 0x2, 0x0) close(r1) socket(0x840000000002, 0x3, 0xff) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000080)='ip6_vti0\x00 \x00', 0x10) connect$inet(r1, &(0x7f0000000200)={0x2, 0x0, @initdev}, 0x10) write$binfmt_elf32(r1, &(0x7f00000000c0)=ANY=[@ANYBLOB="4ef27f451f9c0000003a0084ffffff0000ffffff8323ffffffff0000002b0bfedf99b648e5d1bfefc19ee417ded939f4ccc1"], 0x204) syzkaller login: [ 52.279130][ T8015] IPVS: ftp: loaded support on port[0] = 21 04:42:08 executing program 2: socketpair$unix(0x1, 0x40000000000001, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r4) pivot_root(0x0, 0x0) [ 52.445174][ T8015] chnl_net:caif_netlink_parms(): no params data found [ 52.459723][ T8018] IPVS: ftp: loaded support on port[0] = 21 [ 52.532858][ T8015] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.542808][ T8015] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.551155][ T8015] device bridge_slave_0 entered promiscuous mode [ 52.573975][ T8015] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.582460][ T8015] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.590617][ T8015] device bridge_slave_1 entered promiscuous mode [ 52.679562][ T8015] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.700249][ T8018] chnl_net:caif_netlink_parms(): no params data found [ 52.718856][ T8015] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.734042][ T8022] IPVS: ftp: loaded support on port[0] = 21 [ 52.763811][ T8015] team0: Port device team_slave_0 added [ 52.786163][ T8015] team0: Port device team_slave_1 added [ 52.826042][ T8018] bridge0: port 1(bridge_slave_0) entered blocking state 04:42:08 executing program 3: r0 = getpid() getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) sched_setscheduler(r0, 0x5, &(0x7f0000000380)) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) perf_event_open(&(0x7f00000004c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) getpeername$packet(0xffffffffffffffff, 0x0, &(0x7f0000000780)=0xfffffffffffffd4a) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(0xffffffffffffffff, 0x402c5342, &(0x7f0000000880)={0x6, 0x6, 0x3f, {0x77359400}, 0x3, 0x1}) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$IMCTRLREQ(0xffffffffffffffff, 0x80044945, 0x0) ioctl$VIDIOC_ENUMAUDIO(0xffffffffffffffff, 0xc0345641, &(0x7f0000000480)={0x0, "aa78b13a3780fa7b1792c3dae75773181100", 0x0, 0x1}) socket$inet6_tcp(0xa, 0x1, 0x0) syz_open_dev$dmmidi(&(0x7f0000000240)='/dev/dmmidi#\x00', 0x3, 0x81ee9a19f4f3894a) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000080)) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000000)) sched_setscheduler(0x0, 0x0, &(0x7f0000000380)) fcntl$getown(0xffffffffffffffff, 0x9) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000400)={0x0, 0xffffffffffffffff, 0x0, 0x1, &(0x7f00000003c0)='\x00'}, 0x30) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000200)={0x0, 0xffffffffffffffff, 0x0, 0x12, &(0x7f00000001c0)='/dev/input/mouse#\x00'}, 0x30) openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) openat$apparmor_task_current(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/attr/current\x00', 0x2, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe5000/0x18000)=nil, 0x0, 0x0, 0x8, 0x0, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0106426, &(0x7f0000000400)={0x2, &(0x7f00000003c0)=[{}, {}]}) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r1, 0x107, 0xf, &(0x7f0000006ffc)=0x4000000000000200, 0xfebe) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'hsr0\x00', 0x0}) bind$packet(r1, &(0x7f0000000000)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @link_local}, 0x14) sendto$inet6(r1, &(0x7f0000000300)="0503000189063e0000000100c52cf7c25975e697b02f08006b2b2ff0dac8897c6b11876d886b143a301817ccd51cc5471d130a6632a88161b6fd8f24286a57c3fe257c3314a3974bb654697f", 0xfdb8, 0x80, 0x0, 0xfffffffffffffe57) [ 52.833119][ T8018] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.843100][ T8018] device bridge_slave_0 entered promiscuous mode [ 52.908126][ T8015] device hsr_slave_0 entered promiscuous mode [ 52.965951][ T8015] device hsr_slave_1 entered promiscuous mode 04:42:08 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000040)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x24, 0x12, @bridge_slave={{0x14, 0x1, 'bridge_slave\x00'}, {0xc, 0x5, [@IFLA_BRPORT_MULTICAST_ROUTER={0x8}]}}}]}, 0x44}}, 0x0) [ 53.016713][ T8018] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.023814][ T8018] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.038060][ T8018] device bridge_slave_1 entered promiscuous mode [ 53.053126][ T8024] IPVS: ftp: loaded support on port[0] = 21 [ 53.167139][ T8018] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.187873][ T8015] netdevsim netdevsim0 netdevsim0: renamed from eth0 04:42:08 executing program 5: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000180)='/dev/uinput\x00', 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000400)={'syz1\x00'}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x11) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) [ 53.239897][ T8015] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.343252][ T8018] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.365110][ T8015] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.427429][ T8027] IPVS: ftp: loaded support on port[0] = 21 [ 53.437890][ T8029] IPVS: ftp: loaded support on port[0] = 21 [ 53.448853][ T8018] team0: Port device team_slave_0 added [ 53.457038][ T8018] team0: Port device team_slave_1 added [ 53.466117][ T8015] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.532179][ T8022] chnl_net:caif_netlink_parms(): no params data found [ 53.607458][ T8018] device hsr_slave_0 entered promiscuous mode [ 53.685829][ T8018] device hsr_slave_1 entered promiscuous mode [ 53.735629][ T8018] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.809579][ T8022] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.816953][ T8022] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.824532][ T8022] device bridge_slave_0 entered promiscuous mode [ 53.834567][ T8022] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.842888][ T8022] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.852023][ T8022] device bridge_slave_1 entered promiscuous mode [ 53.871108][ T8022] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.888623][ T8018] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 53.928592][ T8018] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.027703][ T8022] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.052249][ T8022] team0: Port device team_slave_0 added [ 54.058767][ T8018] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.108333][ T8018] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.164024][ T8022] team0: Port device team_slave_1 added [ 54.182888][ T8024] chnl_net:caif_netlink_parms(): no params data found [ 54.237262][ T8022] device hsr_slave_0 entered promiscuous mode [ 54.275878][ T8022] device hsr_slave_1 entered promiscuous mode [ 54.315544][ T8022] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.389644][ T8022] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 54.427235][ T8022] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 54.497499][ T8022] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 54.527585][ T8024] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.534664][ T8024] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.543408][ T8024] device bridge_slave_0 entered promiscuous mode [ 54.551931][ T8024] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.559030][ T8024] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.566683][ T8024] device bridge_slave_1 entered promiscuous mode [ 54.590456][ T8027] chnl_net:caif_netlink_parms(): no params data found [ 54.603524][ T8022] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 54.654540][ T8029] chnl_net:caif_netlink_parms(): no params data found [ 54.679880][ T8024] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.695525][ T8024] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.752119][ T8029] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.761072][ T8029] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.769486][ T8029] device bridge_slave_0 entered promiscuous mode [ 54.777582][ T8029] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.784628][ T8029] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.792295][ T8029] device bridge_slave_1 entered promiscuous mode [ 54.809727][ T8024] team0: Port device team_slave_0 added [ 54.817034][ T8024] team0: Port device team_slave_1 added [ 54.828613][ T8015] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.836349][ T8027] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.843373][ T8027] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.851974][ T8027] device bridge_slave_0 entered promiscuous mode [ 54.863012][ T8027] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.870760][ T8027] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.878472][ T8027] device bridge_slave_1 entered promiscuous mode [ 54.968643][ T8024] device hsr_slave_0 entered promiscuous mode [ 55.005751][ T8024] device hsr_slave_1 entered promiscuous mode [ 55.055544][ T8024] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.064748][ T8029] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.084448][ T8018] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.104947][ T8029] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.127194][ T8015] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.138197][ T8018] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.149284][ T8027] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.161135][ T8027] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.181445][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.189391][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.197868][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.205355][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.214430][ T8029] team0: Port device team_slave_0 added [ 55.226269][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.234613][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.243451][ T8020] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.250604][ T8020] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.258351][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.267015][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.275237][ T8020] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.282295][ T8020] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.304790][ T8022] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.313159][ T8029] team0: Port device team_slave_1 added [ 55.319330][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.330389][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.356920][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.365309][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.374143][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.382838][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.391527][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.400169][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.408579][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.417612][ T3195] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.424640][ T3195] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.432292][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.440134][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.461333][ T8027] team0: Port device team_slave_0 added [ 55.469805][ T8027] team0: Port device team_slave_1 added [ 55.488922][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.497660][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.506288][ T8020] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.513314][ T8020] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.521358][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.529283][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.536963][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.545121][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.553538][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.561767][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.618682][ T8029] device hsr_slave_0 entered promiscuous mode [ 55.655828][ T8029] device hsr_slave_1 entered promiscuous mode [ 55.695914][ T8029] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.704602][ T8024] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.768501][ T8018] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.783692][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.792617][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.802123][ T8022] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.824007][ T8024] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 55.888223][ T8024] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 55.978519][ T8027] device hsr_slave_0 entered promiscuous mode [ 56.035823][ T8027] device hsr_slave_1 entered promiscuous mode [ 56.085567][ T8027] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.097144][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.106101][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.114264][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.121722][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.129399][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.137891][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.146274][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.153296][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.160914][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.169444][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.177917][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.184932][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.192494][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.201048][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.209721][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.218069][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.225823][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.246901][ T8024] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 56.334822][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.343811][ T8029] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 56.389734][ T8018] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.418883][ T8029] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 56.457628][ T8029] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 56.492046][ T8015] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.502718][ T8015] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.516747][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.525776][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.533904][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.542465][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.551146][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.559384][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.567731][ T8027] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.624556][ T8022] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.636240][ T8022] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.661923][ T8029] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 161.675402][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 161.682246][ C0] rcu: 0-...!: (10499 ticks this GP) idle=be6/1/0x4000000000000002 softirq=11158/11158 fqs=40 [ 161.692882][ C0] (t=10500 jiffies g=6157 q=73) [ 161.697811][ C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g6157 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 161.708890][ C0] rcu: RCU grace-period kthread stack dump: [ 161.714763][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 161.722647][ C0] Call Trace: [ 161.725931][ C0] __schedule+0x9a0/0xcc0 [ 161.730258][ C0] schedule+0x181/0x210 [ 161.734402][ C0] schedule_timeout+0x14f/0x240 [ 161.739238][ C0] ? run_local_timers+0x120/0x120 [ 161.744248][ C0] rcu_gp_kthread+0xed8/0x1770 [ 161.749009][ C0] kthread+0x332/0x350 [ 161.753081][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 161.758172][ C0] ? kthread_blkcg+0xe0/0xe0 [ 161.762746][ C0] ret_from_fork+0x24/0x30 [ 161.767160][ C0] NMI backtrace for cpu 0 [ 161.771475][ C0] CPU: 0 PID: 7986 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 161.778907][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.788942][ C0] Call Trace: [ 161.792210][ C0] [ 161.795048][ C0] dump_stack+0x1fb/0x318 [ 161.799364][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 161.804197][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 161.810352][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 161.816400][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 161.822365][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 161.828241][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 161.833343][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 161.838540][ C0] ? trace_hardirqs_off+0x74/0x80 [ 161.843674][ C0] update_process_times+0x12d/0x180 [ 161.848878][ C0] tick_sched_timer+0x263/0x420 [ 161.853824][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 161.859361][ C0] __hrtimer_run_queues+0x403/0x840 [ 161.864559][ C0] hrtimer_interrupt+0x38c/0xda0 [ 161.869498][ C0] ? debug_smp_processor_id+0x9/0x20 [ 161.874780][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 161.880317][ C0] apic_timer_interrupt+0xf/0x20 [ 161.885235][ C0] [ 161.888172][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 161.893962][ C0] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 09 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 161.913550][ C0] RSP: 0018:ffffc90001fb7760 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 161.921943][ C0] RAX: ffffffff81487433 RBX: ffff8880a2385608 RCX: ffff8880966785c0 [ 161.929902][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00028b42c0 [ 161.937855][ C0] RBP: ffffc90001fb7798 R08: 000000000003a768 R09: fffffbfff120248a [ 161.945813][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a23856a0 [ 161.953766][ C0] R13: dffffc0000000000 R14: 1ffff11014470ad4 R15: ffff88809a7d1a28 [ 161.961735][ C0] ? mod_memcg_page_state+0x123/0x190 [ 161.967098][ C0] put_task_stack+0xa3/0x130 [ 161.971671][ C0] finish_task_switch+0x3f1/0x550 [ 161.976772][ C0] __schedule+0x9a8/0xcc0 [ 161.981100][ C0] schedule+0x181/0x210 [ 161.985237][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 161.991293][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 161.997105][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 162.002460][ C0] poll_schedule_timeout+0x11c/0x1c0 [ 162.007731][ C0] do_sys_poll+0x82f/0x1240 [ 162.012248][ C0] ? debug_object_activate+0x2f7/0x6f0 [ 162.017693][ C0] ? debug_object_active_state+0x1e3/0x4a0 [ 162.023488][ C0] ? __lock_acquire+0xc75/0x1be0 [ 162.028415][ C0] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 162.034383][ C0] ? trace_hardirqs_on+0x74/0x80 [ 162.039299][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 162.044057][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 162.048816][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 162.054086][ C0] ? trace_hardirqs_on+0x74/0x80 [ 162.059006][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 162.063753][ C0] ? read_seqcount_begin+0x17a/0x1c0 [ 162.069026][ C0] ? ktime_get_ts64+0x240/0x2c0 [ 162.073869][ C0] ? timespec64_add_safe+0x171/0x1b0 [ 162.079141][ C0] __se_sys_poll+0x1b0/0x360 [ 162.083723][ C0] __x64_sys_poll+0x7b/0x90 [ 162.088215][ C0] do_syscall_64+0xf7/0x1c0 [ 162.092703][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.098576][ C0] RIP: 0033:0x7f97920fe678 [ 162.102976][ C0] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 162.122573][ C0] RSP: 002b:00007fffa46d2a60 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 162.130966][ C0] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f97920fe678 [ 162.138923][ C0] RDX: 000000000000ee32 RSI: 0000000000000001 RDI: 00007fffa46d2b20 [ 162.146885][ C0] RBP: 0000000000000000 R08: 00007fffa46d2a70 R09: 00007fffa47710b8 [ 162.154838][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000002455a90 [ 162.162790][ C0] R13: 0000000000001f63 R14: 00007fffa46d2af4 R15: 0000000002450250