[ 45.079845][ T25] audit: type=1800 audit(1575382280.356:26): pid=7983 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.106844][ T25] audit: type=1800 audit(1575382280.356:27): pid=7983 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 45.106865][ T25] audit: type=1800 audit(1575382280.356:28): pid=7983 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. [ 45.867673][ T25] audit: type=1800 audit(1575382281.166:29): pid=7983 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 '10.128.0.10' (ECDSA) to the list of known hosts. 2019/12/03 14:11:30 fuzzer started 2019/12/03 14:11:31 dialing manager at 10.128.0.26:45711 2019/12/03 14:11:31 syscalls: 2689 2019/12/03 14:11:31 code coverage: enabled 2019/12/03 14:11:31 comparison tracing: enabled 2019/12/03 14:11:31 extra coverage: extra coverage is not supported by the kernel 2019/12/03 14:11:31 setuid sandbox: enabled 2019/12/03 14:11:31 namespace sandbox: enabled 2019/12/03 14:11:31 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 14:11:31 fault injection: enabled 2019/12/03 14:11:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 14:11:31 net packet injection: enabled 2019/12/03 14:11:31 net device setup: enabled 2019/12/03 14:11:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 14:11:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 14:11:33 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000080)={0x0, 'veth1\x00'}, 0xf62c3dc8da425be8) ioctl(r0, 0x800000000008982, &(0x7f0000000080)) 14:11:33 executing program 1: unshare(0x40600) r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x0, 0x0) pread64(r0, 0x0, 0xfffffffffffffe62, 0x0) syzkaller login: [ 57.926720][ T8148] IPVS: ftp: loaded support on port[0] = 21 [ 58.088757][ T8148] chnl_net:caif_netlink_parms(): no params data found 14:11:33 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x2}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$hwrng(0xffffffffffffff9c, 0x0, 0x0, 0x0) bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000000)={0xa, 0x1ff, 0x4, 0x1ff, 0x0, 0xffffffffffffffff, 0x0, [0x0, 0x0, 0x0, 0x0, 0x2000000]}, 0x10) [ 58.132438][ T8151] IPVS: ftp: loaded support on port[0] = 21 [ 58.196652][ T8148] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.219876][ T8148] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.229006][ T8148] device bridge_slave_0 entered promiscuous mode [ 58.263084][ T8148] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.270772][ T8148] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.290128][ T8148] device bridge_slave_1 entered promiscuous mode [ 58.327025][ T8153] IPVS: ftp: loaded support on port[0] = 21 [ 58.340572][ T8148] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.367354][ T8148] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.411172][ T8148] team0: Port device team_slave_0 added [ 58.426373][ T8148] team0: Port device team_slave_1 added 14:11:33 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x14, 0x14, 0x5, [@enum={0x0, 0x1, 0x0, 0x6, 0x4, [{0x2}]}]}, {0x0, [0x0, 0x5f, 0x34]}}, &(0x7f00000003c0)=""/247, 0x31, 0xf7, 0x8}, 0x20) [ 58.459080][ T8151] chnl_net:caif_netlink_parms(): no params data found [ 58.552439][ T8148] device hsr_slave_0 entered promiscuous mode 14:11:34 executing program 4: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput\x00', 0x802, 0x0) write$uinput_user_dev(r0, &(0x7f0000000400)={'syz1\x00'}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x1) ioctl$UI_SET_KEYBIT(r0, 0x40045565, 0xed) ioctl$UI_DEV_CREATE(r0, 0x5501) [ 58.641685][ T8148] device hsr_slave_1 entered promiscuous mode [ 58.769457][ T8153] chnl_net:caif_netlink_parms(): no params data found [ 58.833487][ T8156] IPVS: ftp: loaded support on port[0] = 21 [ 58.868721][ T8151] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.877338][ T8151] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.886180][ T8151] device bridge_slave_0 entered promiscuous mode [ 58.918507][ T8159] IPVS: ftp: loaded support on port[0] = 21 14:11:34 executing program 5: recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000080)=@ipx, 0x80, 0x0}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/protocols\x00') 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) preadv(r0, &(0x7f00000017c0), 0x351, 0xb000000) [ 58.936273][ T8151] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.944113][ T8151] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.952249][ T8151] device bridge_slave_1 entered promiscuous mode [ 58.964570][ T8148] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.013696][ T8148] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.090229][ T8151] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.102397][ T8148] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.143959][ T8148] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.184709][ T8153] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.192120][ T8153] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.200120][ T8153] device bridge_slave_0 entered promiscuous mode [ 59.208285][ T8151] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.244820][ T8161] IPVS: ftp: loaded support on port[0] = 21 [ 59.248697][ T8153] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.257967][ T8153] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.266203][ T8153] device bridge_slave_1 entered promiscuous mode [ 59.281692][ T8151] team0: Port device team_slave_0 added [ 59.291000][ T8151] team0: Port device team_slave_1 added [ 59.342626][ T8151] device hsr_slave_0 entered promiscuous mode [ 59.410044][ T8151] device hsr_slave_1 entered promiscuous mode [ 59.469943][ T8151] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.488430][ T8153] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.526431][ T8153] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.556625][ T8153] team0: Port device team_slave_0 added [ 59.591974][ T8153] team0: Port device team_slave_1 added [ 59.611995][ T8159] chnl_net:caif_netlink_parms(): no params data found [ 59.670990][ T8151] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.761860][ T8153] device hsr_slave_0 entered promiscuous mode [ 59.800194][ T8153] device hsr_slave_1 entered promiscuous mode [ 59.839928][ T8153] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.876857][ T8151] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.944428][ T8151] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.016395][ T8159] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.026345][ T8159] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.034665][ T8159] device bridge_slave_0 entered promiscuous mode [ 60.048052][ T8151] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.094860][ T8161] chnl_net:caif_netlink_parms(): no params data found [ 60.104123][ T8159] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.113703][ T8159] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.121937][ T8159] device bridge_slave_1 entered promiscuous mode [ 60.129205][ T8156] chnl_net:caif_netlink_parms(): no params data found [ 60.176859][ T8159] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.198061][ T8153] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.272588][ T8161] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.279898][ T8161] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.287615][ T8161] device bridge_slave_0 entered promiscuous mode [ 60.296123][ T8159] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.315061][ T8153] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.377258][ T8153] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.445316][ T8153] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.491085][ T8161] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.498211][ T8161] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.507476][ T8161] device bridge_slave_1 entered promiscuous mode [ 60.525309][ T8159] team0: Port device team_slave_0 added [ 60.545775][ T8148] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.563562][ T8161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.576830][ T8159] team0: Port device team_slave_1 added [ 60.582905][ T8156] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.593947][ T8156] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.602200][ T8156] device bridge_slave_0 entered promiscuous mode [ 60.616313][ T8156] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.623675][ T8156] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.632520][ T8156] device bridge_slave_1 entered promiscuous mode [ 60.642606][ T8161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.711496][ T8159] device hsr_slave_0 entered promiscuous mode [ 60.760362][ T8159] device hsr_slave_1 entered promiscuous mode [ 60.819917][ T8159] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.829300][ T8161] team0: Port device team_slave_0 added [ 60.848594][ T8148] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.862719][ T3358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.871272][ T3358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.881758][ T8156] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.893249][ T8156] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.903783][ T8161] team0: Port device team_slave_1 added [ 60.938000][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.948417][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.957847][ T3047] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.966468][ T3047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.976251][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.021930][ T8161] device hsr_slave_0 entered promiscuous mode [ 61.070231][ T8161] device hsr_slave_1 entered promiscuous mode [ 61.119888][ T8161] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.172051][ T8156] team0: Port device team_slave_0 added [ 61.182541][ T8156] team0: Port device team_slave_1 added [ 61.198111][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.208100][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.216740][ T8162] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.223835][ T8162] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.232083][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.242880][ T8159] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.281666][ T8159] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.361568][ T8159] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.414452][ T8159] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.469041][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.484286][ T8151] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.516648][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.525772][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.542789][ T8148] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.553504][ T8148] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.580753][ T8153] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.621935][ T8156] device hsr_slave_0 entered promiscuous mode [ 61.680599][ T8156] device hsr_slave_1 entered promiscuous mode [ 61.749921][ T8156] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.757655][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.768619][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.777330][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.785859][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.794252][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.803006][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.811194][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.820032][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.830150][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.837756][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.854217][ T8161] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.893332][ T8151] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.905426][ T8161] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.948372][ T8153] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.958789][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.966378][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.974683][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.982474][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.000560][ T8161] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.045006][ T8161] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.099099][ T8148] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.113804][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.122683][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.131848][ T3047] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.138885][ T3047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.146512][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.155034][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.163439][ T3047] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.170499][ T3047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.177920][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.186504][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.194788][ T3047] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.201955][ T3047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.209400][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.217981][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.226250][ T3047] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.233319][ T3047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.241123][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.249488][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.258405][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.266432][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.310204][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.318983][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.336891][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.346518][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.360330][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.372548][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.381101][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.389210][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.397962][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.407451][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.415656][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.432866][ T8151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.448855][ T8156] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.514405][ T8159] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.529210][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.545630][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.555806][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.571654][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.584918][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.594630][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.609127][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 167.559736][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.566511][ C1] rcu: 1-...!: (10499 ticks this GP) idle=e1a/1/0x4000000000000002 softirq=10694/10694 fqs=36 [ 167.577055][ C1] (t=10500 jiffies g=6593 q=80) [ 167.581978][ C1] rcu: rcu_preempt kthread starved for 10420 jiffies! g6593 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.593055][ C1] rcu: RCU grace-period kthread stack dump: [ 167.598961][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.606847][ C1] Call Trace: [ 167.610136][ C1] __schedule+0x9a0/0xcc0 [ 167.614465][ C1] schedule+0x181/0x210 [ 167.618604][ C1] schedule_timeout+0x14f/0x240 [ 167.623438][ C1] ? run_local_timers+0x120/0x120 [ 167.628537][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.633298][ C1] kthread+0x332/0x350 [ 167.637349][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.642449][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.647027][ C1] ret_from_fork+0x24/0x30 [ 167.651442][ C1] NMI backtrace for cpu 1 [ 167.655755][ C1] CPU: 1 PID: 79 Comm: kworker/u4:2 Not tainted 5.4.0-syzkaller #0 [ 167.663621][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.673680][ C1] Workqueue: events_unbound fsnotify_connector_destroy_workfn [ 167.681118][ C1] Call Trace: [ 167.684386][ C1] [ 167.687225][ C1] dump_stack+0x1fb/0x318 [ 167.691548][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.696380][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.702520][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.708571][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.714538][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.720413][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.725513][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.730701][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.735720][ C1] update_process_times+0x12d/0x180 [ 167.740908][ C1] tick_sched_timer+0x263/0x420 [ 167.745743][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.751275][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.756472][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.761406][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.766692][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.772222][ C1] apic_timer_interrupt+0xf/0x20 [ 167.777140][ C1] [ 167.780154][ C1] RIP: 0010:free_thread_stack+0x16d/0x590 [ 167.785855][ C1] 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 [ 167.805444][ C1] RSP: 0018:ffffc900010a7908 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.814632][ C1] RAX: ffffffff81487433 RBX: ffff888090450e08 RCX: ffff8880a9b90680 [ 167.822589][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000251ea80 [ 167.830546][ C1] RBP: ffffc900010a7940 R08: 000000000003a768 R09: ffffed10151deaa7 [ 167.838500][ C1] R10: ffffed10151deaa7 R11: 0000000000000000 R12: ffff888090450da0 [ 167.846454][ C1] R13: dffffc0000000000 R14: 1ffff1101208a1b4 R15: ffff8880a8ef5528 [ 167.854421][ C1] ? mod_memcg_page_state+0x123/0x190 [ 167.859783][ C1] ? free_thread_stack+0x168/0x590 [ 167.864882][ C1] put_task_stack+0xa3/0x130 [ 167.869478][ C1] finish_task_switch+0x3f1/0x550 [ 167.874525][ C1] __schedule+0x9a8/0xcc0 [ 167.878928][ C1] ? ___preempt_schedule+0x16/0x18 [ 167.884061][ C1] preempt_schedule+0xdb/0x120 [ 167.888822][ C1] ___preempt_schedule+0x16/0x18 [ 167.893761][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 167.899387][ C1] __call_srcu+0x7ab/0xb00 [ 167.903808][ C1] __synchronize_srcu+0x1cf/0x260 [ 167.908821][ C1] ? rcu_read_lock_any_held+0x1a0/0x1a0 [ 167.914378][ C1] synchronize_srcu+0x2cb/0x2f0 [ 167.919219][ C1] fsnotify_connector_destroy_workfn+0x44/0xb0 [ 167.925357][ C1] process_one_work+0x7ef/0x10d0 [ 167.930296][ C1] worker_thread+0xc01/0x1630 [ 167.934981][ C1] kthread+0x332/0x350 [ 167.939037][ C1] ? rcu_lock_release+0x30/0x30 [ 167.943872][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.948445][ C1] ret_from_fork+0x24/0x30