[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.804068][ T23] audit: type=1800 audit(1578467368.722:25): pid=8405 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.823711][ T23] audit: type=1800 audit(1578467368.722:26): pid=8405 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.873414][ T23] audit: type=1800 audit(1578467368.722:27): pid=8405 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 '10.128.0.230' (ECDSA) to the list of known hosts. 2020/01/08 07:09:39 fuzzer started 2020/01/08 07:09:41 dialing manager at 10.128.0.26:35703 2020/01/08 07:09:41 syscalls: 2824 2020/01/08 07:09:41 code coverage: enabled 2020/01/08 07:09:41 comparison tracing: enabled 2020/01/08 07:09:41 extra coverage: enabled 2020/01/08 07:09:41 setuid sandbox: enabled 2020/01/08 07:09:41 namespace sandbox: enabled 2020/01/08 07:09:41 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:09:41 fault injection: enabled 2020/01/08 07:09:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:09:41 net packet injection: enabled 2020/01/08 07:09:41 net device setup: enabled 2020/01/08 07:09:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:09:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:09:42 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000940)={0x26, 'hash\x00', 0x0, 0x0, 'vmac64(aes-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f0000000000)="cb56b6cc0407008b65d8b4ac2ca35c66", 0x10) r3 = accept4(r2, 0x0, 0x0, 0x0) sendmmsg$sock(r3, &(0x7f0000002500)=[{{0x0, 0x0, &(0x7f0000000840)=[{&(0x7f0000000400)="0ee2aed2d9", 0x5}, {&(0x7f00000004c0)="9966f945e1ce856c1bfa2f600ff625a52fe8e34cf0c389da014b51d837a98a1df86284dfa6bea2ae6500e46c649740fbee00b89685d234ae76d8cf47a79caa311d88e451c5846589571726c2ecf975d1a1", 0x51}, {&(0x7f0000000440)="4157047300fb32781ea6fdbd912ac1", 0xf}, {&(0x7f0000000540)="f348aa69732956be8ce52db067fb17b420660c42a2f7bb740d806e0d", 0x1c}, {&(0x7f00000005c0)="afcc27cc79357010bb6e90b20d09dd02a930bdf3d90d", 0x16}, {&(0x7f0000000140)="04d868cc6d26afeeb4b14b5b1995b5a32fdb249ddd18620a3e55934970e884708af155da8746373da10fccc1d43bb14072835691d797ba521b1cb819765870a1d9a62f7df3a23eb08932f287efa959e00994c6de878e9d495f", 0x59}, {&(0x7f00000007c0)="c22da1d92c7aa88a8d915f0c9f07b92769e1769f83bdc83c3ee3aa11bac298a4", 0x20}], 0x7}}, {{0x0, 0x0, &(0x7f00000020c0)=[{&(0x7f0000000ac0)="81", 0x1}], 0x1, &(0x7f0000002180)=[@mark={{0x14}}, @mark={{0x14}}], 0x30}}], 0x2, 0x0) 07:09:42 executing program 1: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 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) r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000), 0x2}}, 0x20) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.stat\x00', 0x26e1, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000500)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000004c0)={0xffffffffffffffff}}}, 0x20) write$RDMA_USER_CM_CMD_QUERY(r0, &(0x7f0000000540)={0x13, 0x10, 0xfa00, {&(0x7f00000002c0), r2, 0x1}}, 0x18) syzkaller login: [ 68.651076][ T8574] IPVS: ftp: loaded support on port[0] = 21 [ 68.807233][ T8574] chnl_net:caif_netlink_parms(): no params data found 07:09:42 executing program 2: perf_event_open(&(0x7f0000000300)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0xb, 0x5, 0x209e1e, 0x3, 0x1}, 0x3c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000b40)={r0, &(0x7f0000000300), &(0x7f0000000340)}, 0x20) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000080)={r0, 0x0, 0x0}, 0x20) bpf$MAP_LOOKUP_ELEM(0x2, &(0x7f0000000200)={r0, &(0x7f0000000080), &(0x7f00000000c0)=""/111}, 0x18) [ 68.867879][ T8577] IPVS: ftp: loaded support on port[0] = 21 [ 68.877242][ T8574] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.886844][ T8574] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.899818][ T8574] device bridge_slave_0 entered promiscuous mode [ 68.924126][ T8574] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.931201][ T8574] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.940480][ T8574] device bridge_slave_1 entered promiscuous mode [ 68.996177][ T8574] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.008818][ T8574] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.036572][ T8574] team0: Port device team_slave_0 added [ 69.044376][ T8574] team0: Port device team_slave_1 added 07:09:43 executing program 3: r0 = socket(0x10, 0x80002, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYBLOB="1c0000001c000100000000000000000007000000", @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0x1c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000140), 0x570, 0x0) [ 69.116000][ T8580] IPVS: ftp: loaded support on port[0] = 21 [ 69.225567][ T8574] device hsr_slave_0 entered promiscuous mode 07:09:43 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmmsg(r0, &(0x7f00000063c0)=[{{0x0, 0x0, &(0x7f0000000a40)=[{&(0x7f0000000240)="650cbf660c95a604bb86ab1900e9e1e0", 0x4}], 0x1fd}}], 0x197, 0x0) [ 69.363600][ T8574] device hsr_slave_1 entered promiscuous mode [ 69.453072][ T8582] IPVS: ftp: loaded support on port[0] = 21 [ 69.474476][ T8577] chnl_net:caif_netlink_parms(): no params data found [ 69.476789][ T8584] IPVS: ftp: loaded support on port[0] = 21 [ 69.631870][ T8577] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.638955][ T8577] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.662927][ T8577] device bridge_slave_0 entered promiscuous mode 07:09:43 executing program 5: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r2, &(0x7f0000000300)={0x2, 0x0, @remote}, 0x10) setsockopt$inet_group_source_req(r0, 0x0, 0x2e, &(0x7f0000000000)={0x2, {{0x2, 0x0, @multicast1}}, {{0x2, 0x0, @loopback}}}, 0x108) setsockopt$inet_group_source_req(r2, 0x0, 0x2f, &(0x7f0000000400)={0x100000002, {{0x2, 0x0, @multicast1}}, {{0x2, 0x0, @remote}}}, 0x108) [ 69.675893][ T8577] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.692048][ T8577] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.699996][ T8577] device bridge_slave_1 entered promiscuous mode [ 69.775589][ T8574] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.824750][ T8574] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.886435][ T8577] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.901222][ T8574] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.944292][ T8574] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.006326][ T8577] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.024079][ T8580] chnl_net:caif_netlink_parms(): no params data found [ 70.038965][ T8584] chnl_net:caif_netlink_parms(): no params data found [ 70.048828][ T8587] IPVS: ftp: loaded support on port[0] = 21 [ 70.065729][ T8577] team0: Port device team_slave_0 added [ 70.087677][ T8577] team0: Port device team_slave_1 added [ 70.174637][ T8577] device hsr_slave_0 entered promiscuous mode [ 70.242077][ T8577] device hsr_slave_1 entered promiscuous mode [ 70.291989][ T8577] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.299721][ T8577] Cannot create hsr debugfs directory [ 70.364485][ T8580] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.371645][ T8580] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.379842][ T8580] device bridge_slave_0 entered promiscuous mode [ 70.387267][ T8584] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.396769][ T8584] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.405098][ T8584] device bridge_slave_0 entered promiscuous mode [ 70.413624][ T8584] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.420666][ T8584] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.428657][ T8584] device bridge_slave_1 entered promiscuous mode [ 70.454174][ T8580] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.461243][ T8580] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.469271][ T8580] device bridge_slave_1 entered promiscuous mode [ 70.512982][ T8580] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.523017][ T8582] chnl_net:caif_netlink_parms(): no params data found [ 70.534780][ T8580] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.546111][ T8584] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.559576][ T8584] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.616062][ T8580] team0: Port device team_slave_0 added [ 70.635509][ T8584] team0: Port device team_slave_0 added [ 70.669615][ T8580] team0: Port device team_slave_1 added [ 70.680646][ T8584] team0: Port device team_slave_1 added [ 70.784485][ T8580] device hsr_slave_0 entered promiscuous mode [ 70.842180][ T8580] device hsr_slave_1 entered promiscuous mode [ 70.871872][ T8580] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.879460][ T8580] Cannot create hsr debugfs directory [ 70.885837][ T8582] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.893140][ T8582] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.900709][ T8582] device bridge_slave_0 entered promiscuous mode [ 70.907952][ T8587] chnl_net:caif_netlink_parms(): no params data found [ 70.934582][ T8582] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.942063][ T8582] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.949771][ T8582] device bridge_slave_1 entered promiscuous mode [ 70.998471][ T8577] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.108940][ T8584] device hsr_slave_0 entered promiscuous mode [ 71.162120][ T8584] device hsr_slave_1 entered promiscuous mode [ 71.221835][ T8584] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.229402][ T8584] Cannot create hsr debugfs directory [ 71.241326][ T8582] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.254884][ T8582] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.266464][ T8577] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.327376][ T8577] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.408633][ T8577] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.484503][ T8574] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.494477][ T8587] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.501538][ T8587] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.511269][ T8587] device bridge_slave_0 entered promiscuous mode [ 71.536310][ T8582] team0: Port device team_slave_0 added [ 71.544897][ T8582] team0: Port device team_slave_1 added [ 71.552626][ T8587] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.559679][ T8587] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.567917][ T8587] device bridge_slave_1 entered promiscuous mode [ 71.628590][ T8587] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.645978][ T2716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.654860][ T2716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.667317][ T8574] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.683415][ T8587] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.723945][ T8582] device hsr_slave_0 entered promiscuous mode [ 71.782266][ T8582] device hsr_slave_1 entered promiscuous mode [ 71.841905][ T8582] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.849617][ T8582] Cannot create hsr debugfs directory [ 71.858780][ T8580] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.916073][ T8580] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.953929][ T8580] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.003521][ T8580] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.050182][ T2716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.059153][ T2716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.068271][ T2716] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.075436][ T2716] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.083687][ T2716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.092719][ T2716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.100927][ T2716] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.108020][ T2716] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.148392][ T8587] team0: Port device team_slave_0 added [ 72.156809][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.164736][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.173685][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.206921][ T8587] team0: Port device team_slave_1 added [ 72.214399][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.223780][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.232970][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.241328][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.249955][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.294755][ T8584] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.344427][ T8584] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.397860][ T8584] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.445226][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.454257][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.484435][ T8587] device hsr_slave_0 entered promiscuous mode [ 72.523105][ T8587] device hsr_slave_1 entered promiscuous mode [ 72.561829][ T8587] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.569447][ T8587] Cannot create hsr debugfs directory [ 72.595737][ T8584] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.646845][ T8574] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.658467][ T8574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.679614][ T8582] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.726289][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.734944][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.756410][ T8582] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.799397][ T8577] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.810288][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.819644][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.829070][ T8582] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.904937][ T8582] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.973429][ T8577] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.988833][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.996759][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.004847][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.013735][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.022318][ T2725] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.029430][ T2725] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.037570][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.050344][ T8574] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.100958][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.110273][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.120099][ T2859] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.127193][ T2859] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.135293][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.151559][ T8580] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.195206][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.206754][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.215795][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.227108][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.235821][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.245524][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.253313][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.260976][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.280310][ T8580] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.297199][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.305893][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.314433][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.324168][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.332426][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.341020][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.349462][ T2857] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.356551][ T2857] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.364650][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.372618][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.380247][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.407586][ T8574] device veth0_vlan entered promiscuous mode [ 73.421278][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.433319][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.441573][ T3151] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.448658][ T3151] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.456823][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.466426][ T8587] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.524862][ T8587] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.576721][ T8584] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.589759][ T8574] device veth1_vlan entered promiscuous mode [ 73.602423][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.610300][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.619348][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.628363][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.636778][ T8587] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.684086][ T8587] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 73.740826][ T8584] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.755621][ T8582] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.770808][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.780646][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.788628][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.796621][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.805848][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.822290][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.829948][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.838954][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.847355][ T2857] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.854406][ T2857] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.862741][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.871170][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.879523][ T2857] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.886575][ T2857] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.894371][ T2857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.906888][ T8577] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.919529][ T8577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.937615][ T8582] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.956644][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.965065][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.973913][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.986314][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.995071][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.003066][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.011453][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.020012][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.028468][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.037232][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.069342][ T8584] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.080632][ T8584] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.102108][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.109876][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 179.151699][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.158494][ C1] rcu: 1-...!: (1 GPs behind) idle=646/1/0x4000000000000002 softirq=15577/15578 fqs=38 [ 179.168532][ C1] (t=10500 jiffies g=6805 q=109) [ 179.173556][ C1] rcu: rcu_preempt kthread starved for 10423 jiffies! g6805 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 179.184639][ C1] rcu: RCU grace-period kthread stack dump: [ 179.190518][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 179.198408][ C1] Call Trace: [ 179.201702][ C1] __schedule+0x9a0/0xcc0 [ 179.206037][ C1] schedule+0x181/0x210 [ 179.210184][ C1] schedule_timeout+0x14f/0x240 [ 179.215022][ C1] ? run_local_timers+0x120/0x120 [ 179.220038][ C1] rcu_gp_kthread+0xed8/0x1770 [ 179.224800][ C1] kthread+0x332/0x350 [ 179.228858][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 179.233961][ C1] ? kthread_blkcg+0xe0/0xe0 [ 179.238540][ C1] ret_from_fork+0x24/0x30 [ 179.242961][ C1] NMI backtrace for cpu 1 [ 179.247278][ C1] CPU: 1 PID: 2720 Comm: kworker/1:9 Not tainted 5.5.0-rc5-syzkaller #0 [ 179.255584][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.265637][ C1] Workqueue: events linkwatch_event [ 179.270818][ C1] Call Trace: [ 179.274091][ C1] [ 179.276931][ C1] dump_stack+0x1fb/0x318 [ 179.281252][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.286089][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.292231][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.298305][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.304274][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.310154][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.315261][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.320450][ C1] ? trace_hardirqs_off+0x74/0x80 [ 179.325479][ C1] update_process_times+0x12d/0x180 [ 179.330678][ C1] tick_sched_timer+0x263/0x420 [ 179.335522][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.341075][ C1] __hrtimer_run_queues+0x403/0x840 [ 179.346286][ C1] hrtimer_interrupt+0x38c/0xda0 [ 179.351243][ C1] ? debug_smp_processor_id+0x9/0x20 [ 179.356532][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 179.362085][ C1] apic_timer_interrupt+0xf/0x20 [ 179.367009][ C1] [ 179.369939][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 179.376101][ C1] Code: 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 179.395707][ C1] RSP: 0018:ffffc9000787f6f8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 179.404398][ C1] RAX: ffffffff81489244 RBX: ffffea00022250c0 RCX: ffff88809fe68440 [ 179.412361][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022250c0 [ 179.420326][ C1] RBP: ffffc9000787f738 R08: dffffc0000000000 R09: fffffbfff124248a [ 179.428290][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a10cada0 [ 179.436251][ C1] R13: dffffc0000000000 R14: 1ffff110142195b4 R15: ffff88809e1897f8 [ 179.444333][ C1] ? free_thread_stack+0x124/0x590 [ 179.449440][ C1] ? free_thread_stack+0x124/0x590 [ 179.454545][ C1] put_task_stack+0xa3/0x130 [ 179.459125][ C1] finish_task_switch+0x3f1/0x550 [ 179.464297][ C1] __schedule+0x9a8/0xcc0 [ 179.468653][ C1] ? ___preempt_schedule+0x16/0x18 [ 179.473769][ C1] preempt_schedule+0xdb/0x120 [ 179.478532][ C1] ___preempt_schedule+0x16/0x18 [ 179.483478][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 179.488148][ C1] ? vprintk_emit+0x368/0x3a0 [ 179.492820][ C1] vprintk_emit+0x36d/0x3a0 [ 179.497318][ C1] vprintk_default+0x28/0x30 [ 179.501916][ C1] vprintk_func+0x158/0x170 [ 179.506415][ C1] printk+0x62/0x8d [ 179.510235][ C1] ? addrconf_notify+0xd37/0x3c90 [ 179.515258][ C1] ? addrconf_notify+0x779/0x3c90 [ 179.520290][ C1] addrconf_notify+0x2c8d/0x3c90 [ 179.525239][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 179.530542][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 179.535909][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 179.541452][ C1] ? trace_hardirqs_on+0x74/0x80 [ 179.546380][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 179.551748][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 179.557280][ C1] ? tls_dev_event+0x619/0xc00 [ 179.562034][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 179.567588][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 179.572795][ C1] raw_notifier_call_chain+0xec/0x190 [ 179.578176][ C1] netdev_state_change+0x147/0x1f0 [ 179.583285][ C1] linkwatch_do_dev+0x10e/0x160 [ 179.588264][ C1] __linkwatch_run_queue+0x446/0x730 [ 179.593573][ C1] linkwatch_event+0x4c/0x60 [ 179.598154][ C1] process_one_work+0x7ef/0x10d0 [ 179.603105][ C1] worker_thread+0xc01/0x1630 [ 179.607922][ C1] kthread+0x332/0x350 [ 179.611982][ C1] ? rcu_lock_release+0x30/0x30 [ 179.616928][ C1] ? kthread_blkcg+0xe0/0xe0 [ 179.621514][ C1] ret_from_fork+0x24/0x30