[ 43.803980][ T25] audit: type=1800 audit(1575348560.044:26): pid=7982 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.863360][ T25] audit: type=1800 audit(1575348560.044:27): pid=7982 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.884734][ T25] audit: type=1800 audit(1575348560.044:28): pid=7982 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. [ 44.558400][ T25] audit: type=1800 audit(1575348560.824:29): pid=7982 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 '10.128.0.235' (ECDSA) to the list of known hosts. 2019/12/03 04:49:27 fuzzer started 2019/12/03 04:49:29 dialing manager at 10.128.0.26:38907 2019/12/03 04:49:29 syscalls: 2697 2019/12/03 04:49:29 code coverage: enabled 2019/12/03 04:49:29 comparison tracing: enabled 2019/12/03 04:49:29 extra coverage: extra coverage is not supported by the kernel 2019/12/03 04:49:29 setuid sandbox: enabled 2019/12/03 04:49:29 namespace sandbox: enabled 2019/12/03 04:49:29 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 04:49:29 fault injection: enabled 2019/12/03 04:49:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 04:49:29 net packet injection: enabled 2019/12/03 04:49:29 net device setup: enabled 2019/12/03 04:49:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 04:49:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:49:30 executing program 0: r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGBITSND(r0, 0x80404532, &(0x7f0000000040)=""/128) 04:49:30 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, @bridge={{0xc, 0x1, 'bridge\x00'}, {0xc, 0x2, [@IFLA_BR_MAX_AGE={0x8, 0x3, 0x600}]}}}]}, 0x3c}}, 0x0) syzkaller login: [ 54.011881][ T8149] IPVS: ftp: loaded support on port[0] = 21 [ 54.164139][ T8149] chnl_net:caif_netlink_parms(): no params data found [ 54.199699][ T8152] IPVS: ftp: loaded support on port[0] = 21 04:49:30 executing program 2: r0 = syz_open_dev$sndctrl(&(0x7f0000000240)='/dev/snd/controlC#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000001000)={0xffffffffffffffff, 0xd7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0xc0505510, &(0x7f0000001000)) [ 54.245180][ T8149] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.254862][ T8149] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.263086][ T8149] device bridge_slave_0 entered promiscuous mode [ 54.288632][ T8149] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.297812][ T8149] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.307055][ T8149] device bridge_slave_1 entered promiscuous mode [ 54.352124][ T8149] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.401838][ T8149] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.445035][ T8149] team0: Port device team_slave_0 added [ 54.460604][ T8155] IPVS: ftp: loaded support on port[0] = 21 [ 54.468655][ T8152] chnl_net:caif_netlink_parms(): no params data found [ 54.480257][ T8149] team0: Port device team_slave_1 added 04:49:30 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ptype\x00\xcc\xf8V\xfe~\xdc\x94\x8e\xf06Ff\x00\xab\xa5\xd6\xeaY\xc8\xb5F\xfa\xa1\xd2\xc4*,ZT') preadv(r0, &(0x7f0000000280)=[{&(0x7f00000000c0)=""/116, 0x7e}, {&(0x7f00000002c0)=""/255, 0xfffffc69}], 0x1000000000000234, 0x8) r1 = syz_open_dev$vivid(&(0x7f0000000000)='/dev/video#\x00', 0x2, 0x2) ioctl$VIDIOC_CROPCAP(r1, 0xc02c563a, &(0x7f00000000c0)) r2 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x28432c66, 0x180) ioctl$VIDIOC_DQBUF(r1, 0xc0585611, &(0x7f0000000140)={0x81, 0x7, 0x4, 0x80000, {0x77359400}, {0x1, 0xa9e7e3751c855bb3, 0x40, 0x80, 0x6, 0x1, "29ecd3e1"}, 0x40, 0x1, @fd=r2, 0x4}) r3 = gettid() r4 = syz_open_procfs(r3, &(0x7f0000000400)='net/ptype\x00\xcc\xf8V\xfe~\xdc\x94\x8e\xf06Ff\x00\xab\xa5\xd6\xeaY\xc8\xb5F\xfa\xa1\xd2\xc4*,ZT') preadv(r4, &(0x7f0000000280)=[{&(0x7f0000000040)=""/122, 0x49}, {&(0x7f0000000180)=""/248, 0xf8}], 0x2, 0x0) r5 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/vga_arbiter\x00', 0x400000, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x32, &(0x7f0000000940)=r5, 0x4) r6 = syz_open_dev$vivid(&(0x7f0000000000)='/dev/video#\x00', 0x2, 0x2) ioctl$VIDIOC_CROPCAP(r6, 0xc02c563a, &(0x7f00000000c0)) r7 = socket(0x10, 0x2, 0x9) write(r7, &(0x7f0000000040)="24000000f7035f0214f9f4070009040011000000ff030000000800000800040003000000", 0x24) getsockopt$IP6T_SO_GET_ENTRIES(r7, 0x29, 0x41, &(0x7f0000000980)=ANY=[@ANYBLOB="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"], &(0x7f0000000080)=0x107) r8 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) fchdir(r8) mkdir(&(0x7f0000000240)='./control\x00', 0x0) r9 = openat$dir(0xffffffffffffff9c, &(0x7f0000000280)='./control\x00', 0x0, 0x0) mkdirat(r9, &(0x7f0000000040)='./file0\x00', 0x0) r10 = socket$inet_udplite(0x2, 0x2, 0x88) r11 = dup(r10) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) r12 = open(&(0x7f00000001c0)='./control\x00', 0x0, 0x0) unlinkat(r12, &(0x7f0000000180)='./file0\x00', 0x200) [ 54.569997][ T8149] device hsr_slave_0 entered promiscuous mode [ 54.647379][ T8149] device hsr_slave_1 entered promiscuous mode 04:49:31 executing program 4: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc0\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$key(0xf, 0x3, 0x2) ioctl$int_in(0xffffffffffffffff, 0x0, &(0x7f0000000040)) ptrace$peekuser(0x3, 0x0, 0x1) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pivot_root(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00') mount(0x0, &(0x7f0000000400)='./file0\x00', &(0x7f0000000280)='tmpfs\x00', 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000640)='nbd\x00') dup2(0xffffffffffffffff, r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, 0x0, 0x0) syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', 0x0, 0x5, 0x0, 0x0, 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="6158746f5f64615f616c6c6f633d30783030303030303030376666662c646f6e745f6d6561737572652c0000000000000000006f39be7f6411c90a6f37b04f1e4c580684253201c9dbe214fff5a8432cd78af74070f91192a0ca19eb491a7b89ad712037eb12f913c10814158d78e9e50b08a108013630fc069bd14c3cc6a0d365927110161112c63ca1ae9e3a4959c999333946f0042871432fd441bfc88a4a637a15cc42ae79ff8a23fc081dcaf78c195f"]) request_key(&(0x7f0000000440)='.dead\x00', &(0x7f00000005c0)={'syz', 0x0}, &(0x7f00000006c0)='user\x00', 0xffffffffffffffff) ioctl$RTC_WKALM_SET(r0, 0x4028700f, &(0x7f0000000000)={0x1, 0x0, {0x0, 0x0, 0x0, 0x19, 0x0, 0x80}}) [ 54.704013][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.715815][ T8152] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.723656][ T8152] device bridge_slave_0 entered promiscuous mode [ 54.753476][ T8157] IPVS: ftp: loaded support on port[0] = 21 [ 54.771574][ T8152] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.781251][ T8152] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.791880][ T8152] device bridge_slave_1 entered promiscuous mode [ 54.843831][ T8149] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.889119][ T8149] netdevsim netdevsim0 netdevsim1: renamed from eth1 04:49:31 executing program 5: syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f00000002c0)='./bus\x00', 0x4e005, 0x1, &(0x7f0000000140)=[{&(0x7f00000003c0)="eb3c906d6b66732e666174000200010002000270fff8", 0x16}], 0x0, 0x0) [ 54.962579][ T8149] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.047786][ T8149] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.092083][ T8152] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.111495][ T8159] IPVS: ftp: loaded support on port[0] = 21 [ 55.127123][ T8152] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.130749][ T8161] IPVS: ftp: loaded support on port[0] = 21 [ 55.140840][ T8149] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.149353][ T8149] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.157137][ T8149] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.164204][ T8149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.209244][ T8152] team0: Port device team_slave_0 added [ 55.215840][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.223645][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.257249][ T8152] team0: Port device team_slave_1 added [ 55.288419][ T8157] chnl_net:caif_netlink_parms(): no params data found [ 55.314027][ T8155] chnl_net:caif_netlink_parms(): no params data found [ 55.407932][ T8152] device hsr_slave_0 entered promiscuous mode [ 55.445939][ T8152] device hsr_slave_1 entered promiscuous mode [ 55.485477][ T8152] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.501905][ T8157] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.509427][ T8157] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.517435][ T8157] device bridge_slave_0 entered promiscuous mode [ 55.525229][ T8157] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.532408][ T8157] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.540032][ T8157] device bridge_slave_1 entered promiscuous mode [ 55.584531][ T8157] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.598409][ T8155] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.606608][ T8155] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.614094][ T8155] device bridge_slave_0 entered promiscuous mode [ 55.651690][ T8157] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.664201][ T8155] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.671795][ T8155] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.679932][ T8155] device bridge_slave_1 entered promiscuous mode [ 55.699381][ T8155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.710292][ T8155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.741516][ T8155] team0: Port device team_slave_0 added [ 55.754406][ T8155] team0: Port device team_slave_1 added [ 55.765224][ T8159] chnl_net:caif_netlink_parms(): no params data found [ 55.775209][ T8152] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.828839][ T8152] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.914672][ T8157] team0: Port device team_slave_0 added [ 55.924387][ T8157] team0: Port device team_slave_1 added [ 55.935898][ T8152] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.982662][ T8152] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.045228][ T8161] chnl_net:caif_netlink_parms(): no params data found [ 56.128123][ T8157] device hsr_slave_0 entered promiscuous mode [ 56.185775][ T8157] device hsr_slave_1 entered promiscuous mode [ 56.235389][ T8157] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.297518][ T8155] device hsr_slave_0 entered promiscuous mode [ 56.346743][ T8155] device hsr_slave_1 entered promiscuous mode [ 56.395407][ T8155] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.454587][ T8149] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.462117][ T8161] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.469360][ T8161] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.477218][ T8161] device bridge_slave_0 entered promiscuous mode [ 56.499243][ T8161] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.506984][ T8161] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.514466][ T8161] device bridge_slave_1 entered promiscuous mode [ 56.528533][ T8159] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.537054][ T8159] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.544556][ T8159] device bridge_slave_0 entered promiscuous mode [ 56.560281][ T8149] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.585157][ T8161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.594384][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.602934][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.611801][ T8159] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.619499][ T8159] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.627868][ T8159] device bridge_slave_1 entered promiscuous mode [ 56.644671][ T8159] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.656896][ T8157] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 56.708614][ T8161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.719198][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.728851][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.737428][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.744471][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.753340][ T8155] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.808159][ T8159] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.826224][ T8159] team0: Port device team_slave_0 added [ 56.832195][ T8157] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 56.902272][ T8157] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 56.959622][ T8157] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.018968][ T8155] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.068261][ T8159] team0: Port device team_slave_1 added [ 57.073999][ T8155] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.122114][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.130887][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.139315][ T8164] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.146394][ T8164] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.153983][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.162868][ T8155] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.198447][ T8161] team0: Port device team_slave_0 added [ 57.206867][ T8161] team0: Port device team_slave_1 added [ 57.229626][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.310300][ T8161] device hsr_slave_0 entered promiscuous mode [ 57.366058][ T8161] device hsr_slave_1 entered promiscuous mode [ 57.405855][ T8161] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.418562][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.427475][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.436424][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.445657][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.454020][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.498221][ T8159] device hsr_slave_0 entered promiscuous mode [ 57.566248][ T8159] device hsr_slave_1 entered promiscuous mode [ 57.605424][ T8159] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.631457][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.647904][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.656651][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.664796][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.686887][ T8159] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.739309][ T8159] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.799594][ T8159] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.884856][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.896003][ T8159] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.927040][ T8152] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.958286][ T8161] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 57.989371][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.997251][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.004760][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.013343][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.023409][ T8152] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.034583][ T8149] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.043953][ T8161] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.081829][ T8161] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.119024][ T8161] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 58.187811][ T8155] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.199720][ T8157] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.223874][ T8155] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.245473][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.254036][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.263392][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.270513][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.280978][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.289788][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.298108][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.305142][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.312588][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.320219][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.327762][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.335482][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.343591][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.352179][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.360901][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.369652][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.378064][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.386924][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.409133][ T8157] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.432331][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.441020][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.454508][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.463862][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.472651][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.482188][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.490649][ T2925] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.497741][ T2925] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.506015][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.514582][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.522963][ T2925] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.530064][ T2925] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.537714][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.547079][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.615213][ T8152] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.633149][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.662093][ T8152] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 163.475293][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.482059][ C0] rcu: 0-...!: (10499 ticks this GP) idle=08a/1/0x4000000000000002 softirq=12200/12200 fqs=146 [ 163.492691][ C0] (t=10501 jiffies g=6073 q=466) [ 163.497701][ C0] rcu: rcu_preempt kthread starved for 10207 jiffies! g6073 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 163.508783][ C0] rcu: RCU grace-period kthread stack dump: [ 163.514655][ C0] rcu_preempt R running task 29032 10 2 0x80004008 [ 163.522539][ C0] Call Trace: [ 163.525823][ C0] __schedule+0x9a8/0xcc0 [ 163.530149][ C0] schedule+0x181/0x210 [ 163.534311][ C0] schedule_timeout+0x14f/0x240 [ 163.539152][ C0] ? run_local_timers+0x120/0x120 [ 163.544180][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.548943][ C0] kthread+0x332/0x350 [ 163.553003][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.558110][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.562785][ C0] ret_from_fork+0x24/0x30 [ 163.567202][ C0] NMI backtrace for cpu 0 [ 163.571521][ C0] CPU: 0 PID: 641 Comm: kworker/u4:7 Not tainted 5.4.0-syzkaller #0 [ 163.579477][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.589548][ C0] Workqueue: 0x0 (gid-cache-wq) [ 163.594485][ C0] Call Trace: [ 163.597761][ C0] [ 163.600609][ C0] dump_stack+0x1fb/0x318 [ 163.604928][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.609764][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.615905][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.621959][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.627927][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.633808][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.638943][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.644162][ C0] ? trace_hardirqs_off+0x74/0x80 [ 163.649186][ C0] update_process_times+0x12d/0x180 [ 163.654378][ C0] tick_sched_timer+0x263/0x420 [ 163.659215][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.664745][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.669961][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.674900][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.680177][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 163.685707][ C0] apic_timer_interrupt+0xf/0x20 [ 163.690625][ C0] [ 163.693557][ C0] RIP: 0010:free_thread_stack+0x11f/0x590 [ 163.699264][ C0] Code: 3e e8 e5 96 ee ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 [ 163.718861][ C0] RSP: 0018:ffffc900032f7c30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.727262][ C0] RAX: 1ffff11014927d91 RBX: ffffea000224f0c0 RCX: ffff8880a8368680 [ 163.735221][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000224f0c0 [ 163.743181][ C0] RBP: ffffc900032f7c68 R08: 000000000003a768 R09: ffffed1011bc8a9f [ 163.751136][ C0] R10: ffffed1011bc8a9f R11: 0000000000000000 R12: ffff8880a493ed20 [ 163.759094][ C0] R13: dffffc0000000000 R14: 1ffff11014927da4 R15: ffff88808de454e8 [ 163.767075][ C0] put_task_stack+0xa3/0x130 [ 163.771655][ C0] finish_task_switch+0x3f1/0x550 [ 163.776671][ C0] __schedule+0x9a8/0xcc0 [ 163.780997][ C0] schedule+0x181/0x210 [ 163.785139][ C0] worker_thread+0x10d6/0x1630 [ 163.789907][ C0] kthread+0x332/0x350 [ 163.793957][ C0] ? rcu_lock_release+0x30/0x30 [ 163.798796][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.803371][ C0] ret_from_fork+0x24/0x30