[ 42.279149][ T25] audit: type=1800 audit(1575442961.569:27): pid=7932 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.298598][ T25] audit: type=1800 audit(1575442961.579:28): pid=7932 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. [ 43.152582][ T25] audit: type=1800 audit(1575442962.509:29): pid=7932 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 43.171848][ T25] audit: type=1800 audit(1575442962.509:30): pid=7932 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.1.33' (ECDSA) to the list of known hosts. 2019/12/04 07:02:51 fuzzer started 2019/12/04 07:02:53 dialing manager at 10.128.0.26:42111 2019/12/04 07:02:53 syscalls: 2689 2019/12/04 07:02:53 code coverage: enabled 2019/12/04 07:02:53 comparison tracing: enabled 2019/12/04 07:02:53 extra coverage: extra coverage is not supported by the kernel 2019/12/04 07:02:53 setuid sandbox: enabled 2019/12/04 07:02:53 namespace sandbox: enabled 2019/12/04 07:02:53 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 07:02:53 fault injection: enabled 2019/12/04 07:02:53 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 07:02:53 net packet injection: enabled 2019/12/04 07:02:53 net device setup: enabled 2019/12/04 07:02:53 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 07:02:53 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:02:54 executing program 0: r0 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000010000527d25a80648c63940d0300fc00100002400200a06d053582c137153e370900018000f01700d1bd", 0x2e}], 0x1}, 0x0) recvmsg(r0, &(0x7f0000004d80)={0x0, 0x0, &(0x7f0000004cc0)=[{&(0x7f0000003840)=""/28, 0x1c}, {&(0x7f0000003880)=""/210, 0xd2}, {&(0x7f0000003980)=""/28, 0x1c}, {&(0x7f0000003a00)=""/113, 0x71}, {&(0x7f0000003a80)=""/25, 0x19}, {&(0x7f0000003ac0)=""/4096, 0x100e}, {&(0x7f0000004b40)=""/137, 0x89}], 0x7}, 0x0) 07:02:55 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) clock_nanosleep(0x2, 0x0, &(0x7f00000000c0)={0x0, 0x989680}, 0x0) timer_create(0x0, &(0x7f0000066000)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f00009b1ffc)) timer_settime(0x0, 0x0, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14}, &(0x7f0000000040)=0x0) timer_settime(r0, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) syzkaller login: [ 55.645330][ T8096] IPVS: ftp: loaded support on port[0] = 21 07:02:55 executing program 2: bpf$PROG_LOAD(0x18, 0x0, 0x0) [ 55.810491][ T8096] chnl_net:caif_netlink_parms(): no params data found [ 55.860936][ T8100] IPVS: ftp: loaded support on port[0] = 21 [ 55.886766][ T8096] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.894279][ T8096] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.902845][ T8096] device bridge_slave_0 entered promiscuous mode [ 55.922800][ T8096] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.945461][ T8096] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.953382][ T8096] device bridge_slave_1 entered promiscuous mode [ 56.018741][ T8096] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.057455][ T8096] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 07:02:55 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_procfs(0x0, &(0x7f0000dec000)='smaps\x00') mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x31, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r2, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) madvise(&(0x7f000092d000/0x400000)=nil, 0x400000, 0xf) sendfile(r0, r1, 0x0, 0x320f) [ 56.099156][ T8102] IPVS: ftp: loaded support on port[0] = 21 [ 56.107423][ T8096] team0: Port device team_slave_0 added [ 56.120251][ T8096] team0: Port device team_slave_1 added 07:02:55 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) ioctl(r0, 0x1000008912, &(0x7f0000000040)="0800b5055e0bcfe87b0071") r1 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_int(r1, 0x0, 0xd1, &(0x7f0000000000)=0x2, 0x4) setsockopt$inet_int(r1, 0x0, 0xd1, &(0x7f0000000000), 0x4) [ 56.277960][ T8096] device hsr_slave_0 entered promiscuous mode [ 56.336412][ T8096] device hsr_slave_1 entered promiscuous mode [ 56.393215][ T8105] IPVS: ftp: loaded support on port[0] = 21 [ 56.403686][ T8100] chnl_net:caif_netlink_parms(): no params data found 07:02:55 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'nr0\x01\x00', 0x7132}) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f00000004c0)={0x1, 0x1, [@empty]}) [ 56.550825][ T8096] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.599003][ T8096] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.666344][ T8100] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.673416][ T8100] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.681521][ T8100] device bridge_slave_0 entered promiscuous mode [ 56.702375][ T8102] chnl_net:caif_netlink_parms(): no params data found [ 56.712838][ T8096] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.766477][ T8100] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.773533][ T8100] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.781786][ T8100] device bridge_slave_1 entered promiscuous mode [ 56.803975][ T8096] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.862248][ T8108] IPVS: ftp: loaded support on port[0] = 21 [ 56.868271][ T8096] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.868391][ T8096] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.883097][ T8096] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.890178][ T8096] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.920999][ T3959] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.927858][ T8110] IPVS: ftp: loaded support on port[0] = 21 [ 56.934418][ T3959] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.953767][ T8100] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.967255][ T8102] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.974297][ T8102] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.982645][ T8102] device bridge_slave_0 entered promiscuous mode [ 56.991208][ T8102] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.998569][ T8102] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.006317][ T8102] device bridge_slave_1 entered promiscuous mode [ 57.036045][ T8100] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.058052][ T8102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.068883][ T8102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.110439][ T8100] team0: Port device team_slave_0 added [ 57.142782][ T8100] team0: Port device team_slave_1 added [ 57.150483][ T8102] team0: Port device team_slave_0 added [ 57.169564][ T8102] team0: Port device team_slave_1 added [ 57.200427][ T8105] chnl_net:caif_netlink_parms(): no params data found [ 57.256370][ T8102] device hsr_slave_0 entered promiscuous mode [ 57.294776][ T8102] device hsr_slave_1 entered promiscuous mode [ 57.344739][ T8102] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.376129][ T8105] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.383252][ T8105] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.391355][ T8105] device bridge_slave_0 entered promiscuous mode [ 57.466634][ T8100] device hsr_slave_0 entered promiscuous mode [ 57.504960][ T8100] device hsr_slave_1 entered promiscuous mode [ 57.544581][ T8100] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.558463][ T8105] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.566567][ T8105] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.574085][ T8105] device bridge_slave_1 entered promiscuous mode [ 57.598411][ T8105] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.611363][ T8105] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.636019][ T8108] chnl_net:caif_netlink_parms(): no params data found [ 57.682794][ T8102] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.738402][ T8102] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.787509][ T8105] team0: Port device team_slave_0 added [ 57.793342][ T8102] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.868896][ T8100] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.918417][ T8100] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.977337][ T8105] team0: Port device team_slave_1 added [ 57.983267][ T8102] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.063249][ T8096] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.071121][ T8100] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.126127][ T8100] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.166684][ T8110] chnl_net:caif_netlink_parms(): no params data found [ 58.176692][ T8108] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.183738][ T8108] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.191422][ T8108] device bridge_slave_0 entered promiscuous mode [ 58.199474][ T8108] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.206658][ T8108] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.214260][ T8108] device bridge_slave_1 entered promiscuous mode [ 58.270129][ T8108] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.286554][ T8108] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.302490][ T3119] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.310864][ T3119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.327171][ T8110] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.334292][ T8110] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.342124][ T8110] device bridge_slave_0 entered promiscuous mode [ 58.417223][ T8105] device hsr_slave_0 entered promiscuous mode [ 58.454948][ T8105] device hsr_slave_1 entered promiscuous mode [ 58.494629][ T8105] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.506177][ T8096] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.524802][ T8108] team0: Port device team_slave_0 added [ 58.530710][ T8110] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.538359][ T8110] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.546360][ T8110] device bridge_slave_1 entered promiscuous mode [ 58.563006][ T8110] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.573542][ T8110] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.596725][ T8108] team0: Port device team_slave_1 added [ 58.612048][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.621103][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.629796][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.636882][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.717141][ T8108] device hsr_slave_0 entered promiscuous mode [ 58.764864][ T8108] device hsr_slave_1 entered promiscuous mode [ 58.804892][ T8108] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.822989][ T8110] team0: Port device team_slave_0 added [ 58.832246][ T8110] team0: Port device team_slave_1 added [ 58.839627][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.849814][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.858331][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.865456][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.873257][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.894063][ T8105] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.954166][ T8102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.976407][ T8105] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.999059][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.007852][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.016759][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.026518][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.053931][ T8108] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.097355][ T8105] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.141124][ T8105] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.176267][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.183943][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.191762][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.200320][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.210776][ T8102] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.224269][ T8100] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.232022][ T8108] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.271313][ T8108] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.326468][ T8108] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.372522][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.380869][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.398734][ T8100] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.436208][ T8110] device hsr_slave_0 entered promiscuous mode [ 59.484822][ T8110] device hsr_slave_1 entered promiscuous mode [ 59.524979][ T8110] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.539791][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.547706][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.555996][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.564652][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.573000][ T3959] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.580084][ T3959] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.589305][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.597919][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.606202][ T3959] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.613223][ T3959] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.620743][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.628971][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.661495][ T8100] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.672072][ T8100] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.685531][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.693316][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.705456][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.713665][ T8112] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.720731][ T8112] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.729168][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.737653][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.746265][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.754547][ T8112] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.761588][ T8112] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.769652][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.778164][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.786907][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.795408][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.803726][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.812176][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.820601][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.829079][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.837335][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.845733][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.853844][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.862447][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.870278][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.878134][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.891609][ T8096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.920635][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.929517][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.938115][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.946706][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.955361][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.972200][ T8100] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.990597][ T8102] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.005807][ T8102] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.031398][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.039983][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.047842][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.056385][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.064658][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.072901][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.081189][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.088759][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.096499][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.127124][ T8096] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.144671][ T8110] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.176077][ T8110] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.227080][ T8110] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.276722][ T8110] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.353653][ T8105] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.396597][ T8105] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.403637][ T3119] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.415645][ T3119] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.428021][ T3119] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.443797][ T3119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.522100][ T8110] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.548720][ T8110] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.609480][ T8110] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.626091][ T8110] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.661698][ T8102] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.434448][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.441232][ C0] rcu: 0-...!: (10499 ticks this GP) idle=bfa/1/0x4000000000000002 softirq=11102/11102 fqs=41 [ 165.451780][ C0] (t=10501 jiffies g=6353 q=557) [ 165.456795][ C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g6353 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.467877][ C0] rcu: RCU grace-period kthread stack dump: [ 165.473753][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 165.481637][ C0] Call Trace: [ 165.484927][ C0] __schedule+0x9a0/0xcc0 [ 165.489252][ C0] schedule+0x181/0x210 [ 165.493396][ C0] schedule_timeout+0x14f/0x240 [ 165.498232][ C0] ? run_local_timers+0x120/0x120 [ 165.503244][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.508002][ C0] kthread+0x332/0x350 [ 165.512051][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.517149][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.521723][ C0] ret_from_fork+0x24/0x30 [ 165.526137][ C0] NMI backtrace for cpu 0 [ 165.530459][ C0] CPU: 0 PID: 4079 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 165.537895][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.547935][ C0] Call Trace: [ 165.551206][ C0] [ 165.554043][ C0] dump_stack+0x1fb/0x318 [ 165.558361][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.563195][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.569334][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.575387][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.581351][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.587228][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.592328][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.597513][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.602523][ C0] update_process_times+0x12d/0x180 [ 165.607711][ C0] tick_sched_timer+0x263/0x420 [ 165.612545][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.618079][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.623278][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.628217][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.633490][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.639020][ C0] apic_timer_interrupt+0xf/0x20 [ 165.643937][ C0] [ 165.646880][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 165.652586][ C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 165.672178][ C0] RSP: 0018:ffffc900015d7b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.680586][ C0] RAX: 0000000000000001 RBX: ffffea00025bf6c0 RCX: 0000000000000000 [ 165.688549][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025bf6c0 [ 165.696510][ C0] RBP: ffffc900015d7b48 R08: 000000000003a768 R09: fffffbfff120248a [ 165.704469][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a62118a0 [ 165.712432][ C0] R13: dffffc0000000000 R14: 1ffff11014c42314 R15: ffff88808d6679e8 [ 165.720437][ C0] put_task_stack+0xa3/0x130 [ 165.725024][ C0] finish_task_switch+0x3f1/0x550 [ 165.730040][ C0] __schedule+0x9a8/0xcc0 [ 165.734486][ C0] schedule+0x181/0x210 [ 165.738636][ C0] schedule_hrtimeout_range_clock+0x108/0x510 [ 165.744691][ C0] ? _raw_spin_unlock_irq+0x22/0x80 [ 165.749882][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 165.755246][ C0] ep_poll+0xa4d/0xe80 [ 165.759324][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 165.764688][ C0] ? do_task_dead+0xc0/0xc0 [ 165.769204][ C0] do_epoll_wait+0x1ee/0x260 [ 165.773808][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 165.778825][ C0] do_syscall_64+0xf7/0x1c0 [ 165.783315][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.789193][ C0] RIP: 0033:0x7f50cbdb1943 [ 165.793598][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 165.813194][ C0] RSP: 002b:00007ffee2918a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 165.821590][ C0] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f50cbdb1943 [ 165.829550][ C0] RDX: 0000000000000008 RSI: 00007ffee2918b60 RDI: 000000000000000a [ 165.837508][ C0] RBP: 0000000000000000 R08: 00000000010550d0 R09: 00007f50cbdfb1d0 [ 165.845551][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 165.853508][ C0] R13: 0000000000000010 R14: 0000000001065850 R15: 0000000001055250