[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.453888][ T26] audit: type=1800 audit(1578457202.477:25): pid=8397 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.484409][ T26] audit: type=1800 audit(1578457202.487:26): pid=8397 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.558258][ T26] audit: type=1800 audit(1578457202.487:27): pid=8397 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 '10.128.0.65' (ECDSA) to the list of known hosts. 2020/01/08 04:20:15 fuzzer started 2020/01/08 04:20:16 dialing manager at 10.128.0.26:35703 2020/01/08 04:20:16 syscalls: 2824 2020/01/08 04:20:16 code coverage: enabled 2020/01/08 04:20:16 comparison tracing: enabled 2020/01/08 04:20:16 extra coverage: enabled 2020/01/08 04:20:16 setuid sandbox: enabled 2020/01/08 04:20:16 namespace sandbox: enabled 2020/01/08 04:20:16 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:20:16 fault injection: enabled 2020/01/08 04:20:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:20:16 net packet injection: enabled 2020/01/08 04:20:16 net device setup: enabled 2020/01/08 04:20:16 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:20:16 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:20:17 executing program 0: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_ports\x00', 0x2, 0x0) write$cgroup_pid(r0, &(0x7f0000000cc0), 0x12) 04:20:18 executing program 1: r0 = socket(0x10, 0x200000000000803, 0x0) write(r0, &(0x7f00000000c0)="24000000190001f0008000361731ed640adfa90100b70006000000cc00000f00fed70000", 0x24) syzkaller login: [ 67.094380][ T8561] IPVS: ftp: loaded support on port[0] = 21 [ 67.195745][ T8563] IPVS: ftp: loaded support on port[0] = 21 04:20:18 executing program 2: unshare(0x600) r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/mixer\x00', 0x0, 0x0) syz_open_pts(r0, 0x0) [ 67.306326][ T8561] chnl_net:caif_netlink_parms(): no params data found [ 67.443140][ T8563] chnl_net:caif_netlink_parms(): no params data found [ 67.467966][ T8561] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.485338][ T8561] bridge0: port 1(bridge_slave_0) entered disabled state 04:20:18 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x2001000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") recvmmsg(0xffffffffffffffff, &(0x7f00000012c0)=[{{0x0, 0x0, &(0x7f0000001080)=[{0x0}, {&(0x7f0000001040)=""/44, 0x2c}], 0x2}}], 0x1, 0x0, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000040)={0x26, 'rng\x00', 0x0, 0x0, 'ansi_cprng\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f00000001c0)="b7859cb8eec705f22889c50ec5593ae1648aed8082084183c2cb0a11c990a002", 0x20) r2 = accept$alg(r1, 0x0, 0x0) recvmmsg(r2, &(0x7f0000000c80)=[{{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000a40)=""/173, 0xad}], 0x1}}], 0x500, 0x0, 0x0) [ 67.499256][ T8561] device bridge_slave_0 entered promiscuous mode [ 67.519872][ T8561] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.529226][ T8561] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.538406][ T8561] device bridge_slave_1 entered promiscuous mode [ 67.585574][ T8567] IPVS: ftp: loaded support on port[0] = 21 [ 67.621635][ T8563] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.635884][ T8563] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.654474][ T8563] device bridge_slave_0 entered promiscuous mode [ 67.677063][ T8563] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.684143][ T8563] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.705322][ T8563] device bridge_slave_1 entered promiscuous mode [ 67.714145][ T8561] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.750904][ T8561] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.762375][ T8569] IPVS: ftp: loaded support on port[0] = 21 [ 67.789840][ T8563] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.802497][ T8563] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.835623][ T8561] team0: Port device team_slave_0 added 04:20:18 executing program 4: bpf$MAP_CREATE(0x0, &(0x7f0000001480)={0x7, 0x0, 0x0, 0xffff}, 0x8f) [ 67.855189][ T8561] team0: Port device team_slave_1 added [ 67.938016][ T8561] device hsr_slave_0 entered promiscuous mode 04:20:19 executing program 5: r0 = perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x4020940d, 0x7fdfffffeffb) [ 68.014856][ T8561] device hsr_slave_1 entered promiscuous mode [ 68.098011][ T8563] team0: Port device team_slave_0 added [ 68.131308][ T8563] team0: Port device team_slave_1 added [ 68.140814][ T8571] IPVS: ftp: loaded support on port[0] = 21 [ 68.306886][ T8563] device hsr_slave_0 entered promiscuous mode [ 68.354715][ T8563] device hsr_slave_1 entered promiscuous mode [ 68.404466][ T8563] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.412158][ T8563] Cannot create hsr debugfs directory [ 68.439648][ T8567] chnl_net:caif_netlink_parms(): no params data found [ 68.457362][ T8574] IPVS: ftp: loaded support on port[0] = 21 [ 68.503276][ T8569] chnl_net:caif_netlink_parms(): no params data found [ 68.556739][ T8567] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.563901][ T8567] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.575712][ T8567] device bridge_slave_0 entered promiscuous mode [ 68.605260][ T8561] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.676033][ T8567] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.683100][ T8567] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.692671][ T8567] device bridge_slave_1 entered promiscuous mode [ 68.735636][ T8561] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.790248][ T8561] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.826405][ T8569] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.833493][ T8569] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.841348][ T8569] device bridge_slave_0 entered promiscuous mode [ 68.850462][ T8569] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.857638][ T8569] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.865660][ T8569] device bridge_slave_1 entered promiscuous mode [ 68.877017][ T8567] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.890462][ T8561] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.956848][ T8563] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.008951][ T8567] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.037468][ T8563] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.098781][ T8563] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.157153][ T8569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.169624][ T8569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.180989][ T8567] team0: Port device team_slave_0 added [ 69.191010][ T8567] team0: Port device team_slave_1 added [ 69.200197][ T8563] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.269931][ T8569] team0: Port device team_slave_0 added [ 69.280665][ T8569] team0: Port device team_slave_1 added [ 69.397169][ T8567] device hsr_slave_0 entered promiscuous mode [ 69.444624][ T8567] device hsr_slave_1 entered promiscuous mode [ 69.494513][ T8567] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.502118][ T8567] Cannot create hsr debugfs directory [ 69.538046][ T8571] chnl_net:caif_netlink_parms(): no params data found [ 69.576915][ T8569] device hsr_slave_0 entered promiscuous mode [ 69.614747][ T8569] device hsr_slave_1 entered promiscuous mode [ 69.665231][ T8569] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.672972][ T8569] Cannot create hsr debugfs directory [ 69.776665][ T8571] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.783860][ T8571] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.792419][ T8571] device bridge_slave_0 entered promiscuous mode [ 69.801896][ T8571] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.809079][ T8571] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.817607][ T8571] device bridge_slave_1 entered promiscuous mode [ 69.826658][ T8574] chnl_net:caif_netlink_parms(): no params data found [ 69.889273][ T8571] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.907661][ T8569] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.963839][ T8571] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.984236][ T8569] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.049496][ T8569] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.121375][ T8567] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.155947][ T8569] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.210904][ T8574] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.218165][ T8574] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.226203][ T8574] device bridge_slave_0 entered promiscuous mode [ 70.242559][ T8563] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.252523][ T8571] team0: Port device team_slave_0 added [ 70.259254][ T8567] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.286963][ T8567] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.346368][ T8574] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.353477][ T8574] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.362545][ T8574] device bridge_slave_1 entered promiscuous mode [ 70.378280][ T8571] team0: Port device team_slave_1 added [ 70.384239][ T8567] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.439513][ T8574] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.473928][ T8574] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.508881][ T8571] device hsr_slave_0 entered promiscuous mode [ 70.565665][ T8571] device hsr_slave_1 entered promiscuous mode [ 70.594462][ T8571] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.602056][ T8571] Cannot create hsr debugfs directory [ 70.610231][ T8561] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.642982][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.651469][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.663377][ T8563] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.682267][ T8574] team0: Port device team_slave_0 added [ 70.690592][ T8574] team0: Port device team_slave_1 added [ 70.711159][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.719985][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.759538][ T8561] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.770431][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.779575][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.788434][ T2801] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.795635][ T2801] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.803520][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.812299][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.820693][ T2801] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.827763][ T2801] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.835371][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.843767][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.852808][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.907047][ T8574] device hsr_slave_0 entered promiscuous mode [ 70.964810][ T8574] device hsr_slave_1 entered promiscuous mode [ 71.024536][ T8574] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.032178][ T8574] Cannot create hsr debugfs directory [ 71.084013][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.093394][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.105973][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.114605][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.122891][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.132593][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.141188][ T3022] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.148431][ T3022] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.156290][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.164922][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.173165][ T3022] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.180240][ T3022] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.187893][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.196091][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.223939][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.236069][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.248213][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.261995][ T8569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.286332][ T8563] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.298181][ T8563] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.310230][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.319246][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.327712][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.362517][ T8571] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.418066][ T8571] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 71.470555][ T8571] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.516288][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.525624][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.533967][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.542598][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.551261][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.559509][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.567477][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.575075][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.582667][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.600086][ T8563] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.616733][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.625683][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.633851][ T8571] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.690437][ T8569] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.704157][ T8567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.716571][ T8561] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.728976][ T8561] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.739490][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.748996][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.757819][ T8574] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.794552][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.802596][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.811553][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.820337][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.828943][ T2897] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.836014][ T2897] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.865469][ T8574] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.896481][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.905395][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.913923][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.922726][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.931245][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.941887][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.950304][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.958255][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.966344][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.976725][ T8567] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.988576][ T8574] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.066702][ T8574] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.111341][ T8561] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.119409][ T8563] device veth0_vlan entered promiscuous mode [ 72.150633][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.160793][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.169919][ T2905] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.177011][ T2905] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.186523][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.195152][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.203392][ T2905] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.210642][ T2905] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.218333][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.227536][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.235958][ T2905] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.243000][ T2905] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.250595][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.259415][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.271079][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.308796][ T8563] device veth1_vlan entered promiscuous mode [ 72.320696][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.329264][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.342247][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.350824][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.359841][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.368376][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.377264][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.386643][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.395611][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.404032][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.412913][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.421670][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.430382][ T3022] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.442251][ T8569] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.455328][ T8569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.481824][ T8567] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.492535][ T8567] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.504111][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.514114][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.522258][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.530233][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.539071][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.547844][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.556433][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.564793][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.573006][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.583991][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.636650][ T8569] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.647846][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.656809][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.666467][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.673900][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.717219][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.725129][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 177.744296][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.751142][ C1] rcu: 1-...!: (10499 ticks this GP) idle=9be/1/0x4000000000000002 softirq=13480/13481 fqs=38 [ 177.761817][ C1] (t=10500 jiffies g=7037 q=93) [ 177.766756][ C1] rcu: rcu_preempt kthread starved for 10422 jiffies! g7037 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 177.777842][ C1] rcu: RCU grace-period kthread stack dump: [ 177.783722][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 177.791617][ C1] Call Trace: [ 177.794907][ C1] __schedule+0x9a0/0xcc0 [ 177.799236][ C1] schedule+0x181/0x210 [ 177.803382][ C1] schedule_timeout+0x14f/0x240 [ 177.808238][ C1] ? run_local_timers+0x120/0x120 [ 177.813253][ C1] rcu_gp_kthread+0xed8/0x1770 [ 177.818015][ C1] kthread+0x332/0x350 [ 177.822076][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 177.827175][ C1] ? kthread_blkcg+0xe0/0xe0 [ 177.831758][ C1] ret_from_fork+0x24/0x30 [ 177.836178][ C1] NMI backtrace for cpu 1 [ 177.840494][ C1] CPU: 1 PID: 2801 Comm: kworker/1:23 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.848885][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.858937][ C1] Workqueue: events linkwatch_event [ 177.864122][ C1] Call Trace: [ 177.867394][ C1] [ 177.870235][ C1] dump_stack+0x1fb/0x318 [ 177.874655][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.879490][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.885656][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.891720][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.897725][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.903620][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.908734][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.913932][ C1] ? trace_hardirqs_off+0x74/0x80 [ 177.918948][ C1] update_process_times+0x12d/0x180 [ 177.924138][ C1] tick_sched_timer+0x263/0x420 [ 177.928977][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.934599][ C1] __hrtimer_run_queues+0x403/0x840 [ 177.939803][ C1] hrtimer_interrupt+0x38c/0xda0 [ 177.944756][ C1] ? debug_smp_processor_id+0x9/0x20 [ 177.950032][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 177.955583][ C1] apic_timer_interrupt+0xf/0x20 [ 177.960503][ C1] [ 177.963436][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 177.969143][ C1] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 177.988735][ C1] RSP: 0018:ffffc90007f3f700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.997139][ C1] RAX: 1ffff11012c48201 RBX: ffff888096241008 RCX: 0000000000000000 [ 178.005099][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024c6a40 [ 178.013057][ C1] RBP: ffffc90007f3f738 R08: dffffc0000000000 R09: fffffbfff124248a [ 178.021016][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880962410a0 [ 178.028975][ C1] R13: dffffc0000000000 R14: 1ffff11012c48214 R15: ffff88809665f6f8 [ 178.036959][ C1] put_task_stack+0xa3/0x130 [ 178.041542][ C1] finish_task_switch+0x3f1/0x550 [ 178.046581][ C1] __schedule+0x9a8/0xcc0 [ 178.051961][ C1] ? ___preempt_schedule+0x16/0x18 [ 178.057078][ C1] preempt_schedule+0xdb/0x120 [ 178.061857][ C1] ___preempt_schedule+0x16/0x18 [ 178.066797][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 178.071481][ C1] ? vprintk_emit+0x368/0x3a0 [ 178.076148][ C1] vprintk_emit+0x36d/0x3a0 [ 178.080659][ C1] vprintk_default+0x28/0x30 [ 178.085236][ C1] vprintk_func+0x158/0x170 [ 178.089728][ C1] printk+0x62/0x8d [ 178.093525][ C1] ? addrconf_notify+0xb6b/0x3c90 [ 178.098533][ C1] ? addrconf_notify+0x779/0x3c90 [ 178.103558][ C1] addrconf_notify+0x2c8d/0x3c90 [ 178.108496][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 178.113786][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 178.119167][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 178.124711][ C1] ? trace_hardirqs_on+0x74/0x80 [ 178.129640][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 178.135000][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 178.140533][ C1] ? tls_dev_event+0x619/0xc00 [ 178.145301][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 178.150834][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 178.156023][ C1] raw_notifier_call_chain+0xec/0x190 [ 178.161390][ C1] netdev_state_change+0x147/0x1f0 [ 178.166497][ C1] linkwatch_do_dev+0x10e/0x160 [ 178.171337][ C1] __linkwatch_run_queue+0x446/0x730 [ 178.176621][ C1] linkwatch_event+0x4c/0x60 [ 178.181202][ C1] process_one_work+0x7ef/0x10d0 [ 178.186144][ C1] worker_thread+0xc01/0x1630 [ 178.190832][ C1] kthread+0x332/0x350 [ 178.194898][ C1] ? rcu_lock_release+0x30/0x30 [ 178.199734][ C1] ? kthread_blkcg+0xe0/0xe0 [ 178.204319][ C1] ret_from_fork+0x24/0x30