[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.490134][ T27] audit: type=1800 audit(1578464260.959:25): pid=8386 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.520337][ T27] audit: type=1800 audit(1578464260.959:26): pid=8386 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.540949][ T27] audit: type=1800 audit(1578464260.969:27): pid=8386 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. 2020/01/08 06:17:53 fuzzer started 2020/01/08 06:17:55 dialing manager at 10.128.0.26:35703 2020/01/08 06:17:55 syscalls: 2824 2020/01/08 06:17:55 code coverage: enabled 2020/01/08 06:17:55 comparison tracing: enabled 2020/01/08 06:17:55 extra coverage: enabled 2020/01/08 06:17:55 setuid sandbox: enabled 2020/01/08 06:17:55 namespace sandbox: enabled 2020/01/08 06:17:55 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:17:55 fault injection: enabled 2020/01/08 06:17:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:17:55 net packet injection: enabled 2020/01/08 06:17:55 net device setup: enabled 2020/01/08 06:17:55 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:17:55 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:17:56 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000180)='TIPCv2\x00') sendmsg$TIPC_NL_PEER_REMOVE(r0, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000280)={0x20, r1, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NET={0xc, 0x7, [@TIPC_NLA_NET_ADDR={0x8}]}]}, 0x20}}, 0x0) 06:17:56 executing program 1: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, 0x0) syzkaller login: [ 64.399099][ T8554] IPVS: ftp: loaded support on port[0] = 21 06:17:57 executing program 2: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$kcm(0x2, 0x3, 0x2) sendmsg$inet(r1, &(0x7f000000c280)={&(0x7f0000000000)={0x2, 0x0, @multicast1}, 0x10, 0x0, 0x0, &(0x7f0000000140)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @local, @multicast1}}}], 0x20}, 0x0) recvmsg$kcm(r1, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x20) [ 64.568962][ T8557] IPVS: ftp: loaded support on port[0] = 21 [ 64.581054][ T8554] chnl_net:caif_netlink_parms(): no params data found [ 64.706303][ T8554] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.715208][ T8554] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.733883][ T8554] device bridge_slave_0 entered promiscuous mode 06:17:57 executing program 3: socket$inet6_udp(0xa, 0x2, 0x0) ioctl$EVIOCSCLOCKID(0xffffffffffffffff, 0x400445a0, 0x0) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x53, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000440)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000000180)='./file0//ile0\x00', 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup/syz0\x00', 0x200002, 0x0) rmdir(&(0x7f0000000340)='./file0//ile0\x00') [ 64.766392][ T8554] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.775029][ T8554] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.794995][ T8554] device bridge_slave_1 entered promiscuous mode [ 64.886914][ T8554] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.897776][ T8561] IPVS: ftp: loaded support on port[0] = 21 [ 64.948571][ T8554] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.002788][ T8557] chnl_net:caif_netlink_parms(): no params data found [ 65.014510][ T8562] IPVS: ftp: loaded support on port[0] = 21 [ 65.030146][ T8554] team0: Port device team_slave_0 added 06:17:57 executing program 4: r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r0, 0x0) write$P9_RRENAME(r0, &(0x7f0000000280)={0x7}, 0x7) perf_event_open(&(0x7f0000000180)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000000), 0x4}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 65.062625][ T8554] team0: Port device team_slave_1 added [ 65.198011][ T8554] device hsr_slave_0 entered promiscuous mode 06:17:57 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'\x00', 0x4009}) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(r1) socket$kcm(0x29, 0x5, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8914, &(0x7f0000000500)='nr0\x01\x00`\xa1\x9e\xf9\xd2\xc6s\xd9\xa1W\x1c\xb9\xe16\x9b\xcda\xef~Iy:\xe1\x87\x12\xec\xeb\x1d\xaav\x94\x97\x80\v\x7f\xbb\xd3[\x17\f\x10u\x1d9\xae\xb6`\xd8c\xe4\x9b\x8cO;=\xadH\x90+[-0\xfd\n\xbd7,c\xbc\xf5\xd7\r\xf3\xfdM.\x8dD<\x88\xbc\x0eV7\xdd\x82\xfc45\xbe\xd4\xde]i<\x9ax\x1c\x86>\x05\xd8\xa6\xf8h\x9a[\xe2\x92\x16\x06\x1f?\xf5?\x8bk9fx\xe7\xba\x15^\xf9\x15-~C\xb1\xec\xcb#1\xeb\x8e\xb1\xedU\x86\xdc\xf8\xb3\xb0\xb9\x996\x1aD\xff,\"\xc2\xab\xbe\xf4-\xd2N\xab\xe6r3F\xa6\xe4l\x04\x99\xa2\x14B\xd8\xd0\r\xcbW\xf0\x13\xffu\x95\xed\xd0\xff\ai0\xde6u\xd3A\x17\xa4N\xb0\xe4\xf82\x93m\xa4NW\xe4:>6\xbdH\xd2\xa8[\xf4\xfdJ\x80N\x83\xf2\xf3\xcf7\x8aCZ\xf5\xe2\x87\xd4\xe2s7\xb4\xad\xa1\x1b&!\x982\xeck+8Dk;\x95\xfe7q\xe9\xf4,\xa3\x0f\xb2\x1e\x12\xf0\xa3\xd8\xbc-\x85EJ\xf9\xfc\xc0#-\x8f\xd9\tD\x8b\x01\xf4lY=1\xea\x1c\x92de\xe3ZA\x99\a\x9c<\xa4\x11(\xb1|\xb0\x1f\xbf[R+\xe0\xfd\x02\x02*\xda7\xfe\xcc\x14\xb6\xc8\xc8\x83\x18\x83\xb8Z\x11\x06\xf2\xf8g\x02\rR\x9f\x17\xa3P\xf2\r\xd3\xbfQ\xa9\x8c\xfd\xa7\f.68\xa4\x83\xfd?\x87\x94\v\xb4x\xb0|L\x11\x03\x94\xc0\t=\x17\x95P\x89\xf2\xca\x97\xbb\xe0u\x12L\x9b\x85\x96\xe0\b\xbf\n\x02\x8bS\x9c\xecyl\xec\x9b\xf5\x85\xeb\x80\xfe>\r&') ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8943, &(0x7f0000000000)='nr0\x01:\xf2%\xa3\'>\xf8]\x81\n?\xfa\xff\x04\x00\x00\xbf\xef\xa9\xac\x03x\xf4D3A}?\a\x8b\x9c[\xdd\x06\xa4\n\xf4\x94\xa8>\xb1\xb1\xa2_&') [ 65.274132][ T8554] device hsr_slave_1 entered promiscuous mode [ 65.364028][ T8557] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.371105][ T8557] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.383593][ T8564] IPVS: ftp: loaded support on port[0] = 21 [ 65.390768][ T8557] device bridge_slave_0 entered promiscuous mode [ 65.422480][ T8557] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.431149][ T8557] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.439778][ T8557] device bridge_slave_1 entered promiscuous mode [ 65.457386][ T8561] chnl_net:caif_netlink_parms(): no params data found [ 65.490446][ T8567] IPVS: ftp: loaded support on port[0] = 21 [ 65.548285][ T8557] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.559845][ T8557] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.604035][ T8562] chnl_net:caif_netlink_parms(): no params data found [ 65.623980][ T8561] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.631121][ T8561] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.639612][ T8561] device bridge_slave_0 entered promiscuous mode [ 65.649962][ T8561] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.657254][ T8561] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.665169][ T8561] device bridge_slave_1 entered promiscuous mode [ 65.673516][ T8557] team0: Port device team_slave_0 added [ 65.721218][ T8557] team0: Port device team_slave_1 added [ 65.748787][ T8564] chnl_net:caif_netlink_parms(): no params data found [ 65.835470][ T8557] device hsr_slave_0 entered promiscuous mode [ 65.884199][ T8557] device hsr_slave_1 entered promiscuous mode [ 65.924159][ T8557] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.931956][ T8557] Cannot create hsr debugfs directory [ 65.958215][ T8561] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.003029][ T8561] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.056787][ T8561] team0: Port device team_slave_0 added [ 66.062670][ T8567] chnl_net:caif_netlink_parms(): no params data found [ 66.071015][ T8554] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.135998][ T8564] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.143103][ T8564] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.150990][ T8564] device bridge_slave_0 entered promiscuous mode [ 66.162470][ T8564] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.169597][ T8564] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.177348][ T8564] device bridge_slave_1 entered promiscuous mode [ 66.190468][ T8561] team0: Port device team_slave_1 added [ 66.200895][ T8554] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.238428][ T8554] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.300601][ T8554] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.347578][ T8562] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.358528][ T8562] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.366377][ T8562] device bridge_slave_0 entered promiscuous mode [ 66.376452][ T8562] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.383490][ T8562] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.391367][ T8562] device bridge_slave_1 entered promiscuous mode [ 66.413330][ T8564] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.451932][ T8562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.463377][ T8564] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.526113][ T8561] device hsr_slave_0 entered promiscuous mode [ 66.564396][ T8561] device hsr_slave_1 entered promiscuous mode [ 66.623901][ T8561] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.631476][ T8561] Cannot create hsr debugfs directory [ 66.638316][ T8562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.648008][ T8567] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.655183][ T8567] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.662743][ T8567] device bridge_slave_0 entered promiscuous mode [ 66.671840][ T8564] team0: Port device team_slave_0 added [ 66.679752][ T8564] team0: Port device team_slave_1 added [ 66.702198][ T8567] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.709976][ T8567] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.717718][ T8567] device bridge_slave_1 entered promiscuous mode [ 66.791681][ T8562] team0: Port device team_slave_0 added [ 66.798212][ T8557] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.855658][ T8557] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.907709][ T8567] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.920733][ T8567] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.936967][ T8562] team0: Port device team_slave_1 added [ 66.976569][ T8564] device hsr_slave_0 entered promiscuous mode [ 67.024085][ T8564] device hsr_slave_1 entered promiscuous mode [ 67.073956][ T8564] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.081540][ T8564] Cannot create hsr debugfs directory [ 67.090725][ T8557] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.127569][ T8557] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.266727][ T8562] device hsr_slave_0 entered promiscuous mode [ 67.304159][ T8562] device hsr_slave_1 entered promiscuous mode [ 67.343873][ T8562] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.351454][ T8562] Cannot create hsr debugfs directory [ 67.362017][ T8567] team0: Port device team_slave_0 added [ 67.370081][ T8567] team0: Port device team_slave_1 added [ 67.457910][ T8561] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.488988][ T8561] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.585505][ T8567] device hsr_slave_0 entered promiscuous mode [ 67.624363][ T8567] device hsr_slave_1 entered promiscuous mode [ 67.693924][ T8567] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.701540][ T8567] Cannot create hsr debugfs directory [ 67.720901][ T8561] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.767019][ T8561] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.846824][ T8554] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.901235][ T8564] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.957586][ T8564] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.016312][ T8564] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.048063][ T8564] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.133731][ T8554] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.142008][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.151304][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.187979][ T8562] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.221210][ T8562] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.276333][ T8557] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.286615][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.295409][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.303702][ T2777] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.310948][ T2777] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.319898][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.332680][ T8562] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.390097][ T8562] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.473016][ T8557] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.485029][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.492657][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.503644][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.512519][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.521872][ T3928] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.528957][ T3928] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.543859][ T8567] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.606906][ T8567] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.657176][ T8567] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.716186][ T8567] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.777455][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.786308][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.795637][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.804084][ T3931] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.811346][ T3931] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.819100][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.829153][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.837186][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.845776][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.854125][ T3931] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.861161][ T3931] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.874038][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.882549][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.895366][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.905824][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.921321][ T8561] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.940441][ T8561] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.949881][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.958199][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.966162][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.983848][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.993593][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.003083][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.011618][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.020211][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.029048][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.037314][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.046460][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.067311][ T8564] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.090991][ T8554] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.104334][ T8554] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.116464][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.125769][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.134276][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.142774][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.151504][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.159875][ T3931] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.166927][ T3931] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.174565][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.183003][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.191390][ T3931] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.198457][ T3931] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.206098][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.214957][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.223118][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.231584][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.239124][ T3931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.254103][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.261737][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.278530][ T8557] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.292057][ T8557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.313207][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.324454][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.332540][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.345082][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.353480][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.375351][ T8564] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.382296][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.403578][ T8562] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.422954][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.431703][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.440224][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.449551][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.458053][ T2777] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.465133][ T2777] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.472942][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.482095][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.490403][ T2777] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.497526][ T2777] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.506176][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.514097][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.522312][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.547914][ T8554] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.561171][ T8562] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.578125][ T8561] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.591756][ T8561] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.600818][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.609440][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.617309][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.625897][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.634765][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.642318][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.650162][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.658550][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.692234][ T8567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.702277][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.711948][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.721204][ T3928] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.728407][ T3928] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.736459][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.745544][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.754282][ T3928] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.761319][ T3928] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.769076][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.778509][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.787335][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.796387][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.804162][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.813087][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.821875][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.831833][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.839722][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.853249][ T8557] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.882718][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.893077][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.902344][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.929797][ T8564] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.941573][ T8564] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.959491][ T8567] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.967270][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.975260][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.982797][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.991428][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.999907][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.008882][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.017233][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.025962][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.034797][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.043181][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.051457][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.059695][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.067921][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.078190][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.087514][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.095402][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.106537][ T8562] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.119088][ T8562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.131232][ T8554] device veth0_vlan entered promiscuous mode [ 70.157958][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.167299][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.176376][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.184691][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.192784][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.201438][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.209762][ T3928] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.216969][ T3928] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.224575][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.234497][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.242780][ T3928] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.249865][ T3928] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.257950][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.265481][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.273428][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.282586][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.290310][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.298102][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.326339][ T8561] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.333724][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.349500][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.357647][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.365352][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.373725][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.382188][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.390771][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.403145][ T8564] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.423188][ T8554] device veth1_vlan entered promiscuous mode [ 70.445799][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.454643][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.462308][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.470559][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.478633][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.487693][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.496302][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.505377][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.513440][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.521081][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.528714][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.536463][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.554287][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.562833][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.572923][ T8557] device veth0_vlan entered promiscuous mode [ 70.594922][ T8567] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.619229][ T8562] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.662027][ T2777] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 175.673757][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.680610][ C1] rcu: 1-...!: (10499 ticks this GP) idle=19e/1/0x4000000000000002 softirq=13420/13420 fqs=1 [ 175.691095][ C1] (t=10500 jiffies g=6993 q=376) [ 175.696110][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6993 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.707193][ C1] rcu: RCU grace-period kthread stack dump: [ 175.713067][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.720956][ C1] Call Trace: [ 175.724246][ C1] __schedule+0x9a0/0xcc0 [ 175.728578][ C1] schedule+0x181/0x210 [ 175.732726][ C1] schedule_timeout+0x14f/0x240 [ 175.737565][ C1] ? run_local_timers+0x120/0x120 [ 175.742582][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.747346][ C1] kthread+0x332/0x350 [ 175.751399][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.756496][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.761075][ C1] ret_from_fork+0x24/0x30 [ 175.765494][ C1] NMI backtrace for cpu 1 [ 175.769813][ C1] CPU: 1 PID: 2777 Comm: kworker/1:4 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.778138][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.788187][ C1] Workqueue: events linkwatch_event [ 175.793369][ C1] Call Trace: [ 175.796650][ C1] [ 175.799494][ C1] dump_stack+0x1fb/0x318 [ 175.803816][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.808669][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.814811][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.820887][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.826869][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.832756][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.837868][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.843060][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.848079][ C1] update_process_times+0x12d/0x180 [ 175.853276][ C1] tick_sched_timer+0x263/0x420 [ 175.858116][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.863654][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.868878][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.873824][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.879186][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.884721][ C1] apic_timer_interrupt+0xf/0x20 [ 175.890448][ C1] [ 175.893378][ C1] RIP: 0010:__memcg_kmem_uncharge+0x134/0x1a0 [ 175.899430][ C1] Code: 48 c1 e8 03 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 [ 175.919024][ C1] RSP: 0018:ffffc900079a76e0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 175.927421][ C1] RAX: 0000000000000001 RBX: ffffea00023628c0 RCX: 0000000000000000 [ 175.935379][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023628c0 [ 175.943339][ C1] RBP: ffffc900079a76f0 R08: 000000000003a728 R09: fffffbfff124248a [ 175.951307][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880888a64a0 [ 175.959271][ C1] R13: dffffc0000000000 R14: ffffea00023628f8 R15: 0000000000000000 [ 175.967249][ C1] free_thread_stack+0x12e/0x590 [ 175.972197][ C1] put_task_stack+0xa3/0x130 [ 175.976780][ C1] finish_task_switch+0x3f1/0x550 [ 175.981798][ C1] __schedule+0x9a8/0xcc0 [ 175.986128][ C1] ? ___preempt_schedule+0x16/0x18 [ 175.991233][ C1] preempt_schedule+0xdb/0x120 [ 175.995990][ C1] ___preempt_schedule+0x16/0x18 [ 176.000932][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 176.005593][ C1] ? vprintk_emit+0x368/0x3a0 [ 176.010264][ C1] vprintk_emit+0x36d/0x3a0 [ 176.014758][ C1] vprintk_default+0x28/0x30 [ 176.019335][ C1] vprintk_func+0x158/0x170 [ 176.023828][ C1] printk+0x62/0x8d [ 176.027712][ C1] ? addrconf_notify+0xd37/0x3c90 [ 176.032721][ C1] ? addrconf_notify+0x779/0x3c90 [ 176.037738][ C1] addrconf_notify+0x2c8d/0x3c90 [ 176.042667][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 176.047938][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 176.053300][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 176.058835][ C1] ? trace_hardirqs_on+0x74/0x80 [ 176.063759][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 176.069120][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 176.074649][ C1] ? tls_dev_event+0x619/0xc00 [ 176.079575][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 176.085112][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 176.090301][ C1] raw_notifier_call_chain+0xec/0x190 [ 176.097144][ C1] netdev_state_change+0x147/0x1f0 [ 176.102254][ C1] linkwatch_do_dev+0x10e/0x160 [ 176.107093][ C1] __linkwatch_run_queue+0x446/0x730 [ 176.112720][ C1] linkwatch_event+0x4c/0x60 [ 176.117300][ C1] process_one_work+0x7ef/0x10d0 [ 176.122243][ C1] worker_thread+0xc01/0x1630 [ 176.126931][ C1] kthread+0x332/0x350 [ 176.130985][ C1] ? rcu_lock_release+0x30/0x30 [ 176.135824][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.140402][ C1] ret_from_fork+0x24/0x30