[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.864883][ T27] audit: type=1800 audit(1578468917.126:25): pid=8228 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.891599][ T27] audit: type=1800 audit(1578468917.126:26): pid=8228 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.933060][ T27] audit: type=1800 audit(1578468917.136:27): pid=8228 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 '10.128.0.55' (ECDSA) to the list of known hosts. 2020/01/08 07:35:28 fuzzer started 2020/01/08 07:35:30 dialing manager at 10.128.0.26:35703 2020/01/08 07:35:30 syscalls: 2824 2020/01/08 07:35:30 code coverage: enabled 2020/01/08 07:35:30 comparison tracing: enabled 2020/01/08 07:35:30 extra coverage: enabled 2020/01/08 07:35:30 setuid sandbox: enabled 2020/01/08 07:35:30 namespace sandbox: enabled 2020/01/08 07:35:30 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:35:30 fault injection: enabled 2020/01/08 07:35:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:35:30 net packet injection: enabled 2020/01/08 07:35:30 net device setup: enabled 2020/01/08 07:35:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:35:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:35:31 executing program 0: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_int(r0, 0x1f00000000000000, 0x400000000000d4, &(0x7f0000000000)=0x7, 0x4) 07:35:31 executing program 1: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f00000000c0)="2500000026000500d25a80648c63940d1100fc001000024002000000053582c137153e3709", 0x25}], 0x1}, 0x0) syzkaller login: [ 59.563936][ T8392] IPVS: ftp: loaded support on port[0] = 21 07:35:31 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) kexec_load(0x0, 0x10, &(0x7f00000005c0)=[{0x0, 0x0, 0x9165a000, 0x3e0000}], 0x0) [ 59.735540][ T8395] IPVS: ftp: loaded support on port[0] = 21 [ 59.745375][ T8392] chnl_net:caif_netlink_parms(): no params data found [ 59.850436][ T8392] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.873080][ T8392] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.881137][ T8392] device bridge_slave_0 entered promiscuous mode 07:35:32 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x1, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x11f, 0x10}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x12dc, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 59.916456][ T8392] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.932975][ T8392] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.946673][ T8392] device bridge_slave_1 entered promiscuous mode [ 60.014734][ T8397] IPVS: ftp: loaded support on port[0] = 21 [ 60.070518][ T8392] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.094946][ T8392] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.126468][ T8400] IPVS: ftp: loaded support on port[0] = 21 [ 60.136597][ T8395] chnl_net:caif_netlink_parms(): no params data found 07:35:32 executing program 4: r0 = syz_open_dev$video4linux(&(0x7f00000000c0)='/dev/v4l-subdev#\x00', 0x0, 0x0) ioctl$VIDIOC_SUBDEV_ENUM_FRAME_SIZE(r0, 0xc040564a, &(0x7f0000000000)={0x0, 0x0, 0x100a}) [ 60.217772][ T8392] team0: Port device team_slave_0 added [ 60.240438][ T8392] team0: Port device team_slave_1 added [ 60.344175][ T8392] device hsr_slave_0 entered promiscuous mode [ 60.383712][ T8392] device hsr_slave_1 entered promiscuous mode 07:35:32 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = memfd_create(&(0x7f00000000c0)='vboxnet0md5sum\x00', 0x0) write(r3, &(0x7f0000000040)="06", 0x1) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x80000000004, 0x11, r3, 0x0) r4 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r4, 0x10d, 0x0, 0x0, &(0x7f0000000000)) unshare(0x2000400) r5 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r5, 0x10d, 0xd3, 0x0, &(0x7f0000000000)) [ 60.446225][ T8395] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.458744][ T8395] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.466816][ T8395] device bridge_slave_0 entered promiscuous mode [ 60.530911][ T8402] IPVS: ftp: loaded support on port[0] = 21 [ 60.550282][ T8395] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.560853][ T8395] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.569137][ T8395] device bridge_slave_1 entered promiscuous mode [ 60.598916][ T8405] IPVS: ftp: loaded support on port[0] = 21 [ 60.617864][ T8395] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.630817][ T8395] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.668336][ T8395] team0: Port device team_slave_0 added [ 60.677911][ T8395] team0: Port device team_slave_1 added [ 60.689174][ T8397] chnl_net:caif_netlink_parms(): no params data found [ 60.773992][ T8395] device hsr_slave_0 entered promiscuous mode [ 60.801917][ T8395] device hsr_slave_1 entered promiscuous mode [ 60.841682][ T8395] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.849412][ T8395] Cannot create hsr debugfs directory [ 60.944479][ T8400] chnl_net:caif_netlink_parms(): no params data found [ 60.967478][ T8397] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.975078][ T8397] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.982953][ T8397] device bridge_slave_0 entered promiscuous mode [ 61.009683][ T8397] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.017931][ T8397] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.025657][ T8397] device bridge_slave_1 entered promiscuous mode [ 61.035934][ T8392] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.109964][ T8392] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.185636][ T8392] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.245486][ T8397] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.258947][ T8392] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.318172][ T8397] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.333318][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 61.377221][ T8400] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.385570][ T8400] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.393349][ T8400] device bridge_slave_0 entered promiscuous mode [ 61.416589][ T8397] team0: Port device team_slave_0 added [ 61.426478][ T8400] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.434685][ T8400] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.444796][ T8400] device bridge_slave_1 entered promiscuous mode [ 61.464566][ T8397] team0: Port device team_slave_1 added [ 61.470339][ T8395] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.561213][ T8395] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.613453][ T8402] chnl_net:caif_netlink_parms(): no params data found [ 61.685940][ T8397] device hsr_slave_0 entered promiscuous mode [ 61.751927][ T8397] device hsr_slave_1 entered promiscuous mode [ 61.821640][ T8397] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.829287][ T8397] Cannot create hsr debugfs directory [ 61.836323][ T8400] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.845566][ T8395] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.919579][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.933707][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.941262][ T8405] device bridge_slave_0 entered promiscuous mode [ 61.951281][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.958681][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.966308][ T8405] device bridge_slave_1 entered promiscuous mode [ 61.975356][ T8400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.987582][ T8395] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.098480][ T8402] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.106777][ T8402] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.114954][ T8402] device bridge_slave_0 entered promiscuous mode [ 62.131424][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.144311][ T8400] team0: Port device team_slave_0 added [ 62.151434][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.174538][ T8402] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.182804][ T8402] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.190564][ T8402] device bridge_slave_1 entered promiscuous mode [ 62.210075][ T8402] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.222748][ T8400] team0: Port device team_slave_1 added [ 62.232939][ T8405] team0: Port device team_slave_0 added [ 62.239990][ T8402] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.267601][ T8402] team0: Port device team_slave_0 added [ 62.276384][ T8402] team0: Port device team_slave_1 added [ 62.285520][ T8405] team0: Port device team_slave_1 added [ 62.354674][ T8400] device hsr_slave_0 entered promiscuous mode [ 62.392031][ T8400] device hsr_slave_1 entered promiscuous mode [ 62.431688][ T8400] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.439458][ T8400] Cannot create hsr debugfs directory [ 62.524197][ T8402] device hsr_slave_0 entered promiscuous mode [ 62.562077][ T8402] device hsr_slave_1 entered promiscuous mode [ 62.601624][ T8402] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.609209][ T8402] Cannot create hsr debugfs directory [ 62.684302][ T8405] device hsr_slave_0 entered promiscuous mode [ 62.721984][ T8405] device hsr_slave_1 entered promiscuous mode [ 62.761692][ T8405] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.769312][ T8405] Cannot create hsr debugfs directory [ 62.787080][ T8392] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.867955][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.877403][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.890915][ T8392] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.913900][ T8397] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.963935][ T8397] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.023877][ T8397] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.074140][ T8397] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.114027][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.122625][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.131257][ T2709] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.138574][ T2709] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.149207][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.207839][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.218776][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.228062][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.235135][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.244717][ T8400] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.297731][ T8400] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.347166][ T8400] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.396549][ T8400] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.445607][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.455074][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.478965][ T8395] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.528383][ T8402] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.572884][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.580550][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.591492][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.600013][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.612262][ T8395] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.619596][ T8405] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.665937][ T8402] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.737644][ T8402] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.804022][ T8402] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.848169][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.856119][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.865241][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.873698][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.882350][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.890576][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.898613][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.907046][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.914972][ T8405] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.972011][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.980462][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.989773][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.998380][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.007054][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.015781][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.024495][ T2812] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.031586][ T2812] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.039026][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.047996][ T8405] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.111603][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.120183][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.129097][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.138183][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.146895][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.156702][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.172959][ T8405] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.225235][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.233698][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.241960][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.250149][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.265992][ T8395] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.287263][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.295815][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.320277][ T8392] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.341508][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.349010][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.364040][ T8397] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.374194][ T8395] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.386542][ T8400] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.427716][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.436367][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.444473][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.453630][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.464079][ T8397] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.495148][ T8402] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.504562][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.513338][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.521449][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.529199][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.537256][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.546437][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.554873][ T2709] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.561930][ T2709] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.571374][ T8400] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.584596][ T8392] device veth0_vlan entered promiscuous mode [ 64.600051][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.608837][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.616758][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.624974][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.633582][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.642171][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.650242][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.662858][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.670483][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.688121][ T8395] device veth0_vlan entered promiscuous mode [ 64.696706][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.705649][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.715499][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.722654][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.730566][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.739184][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.747466][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.754535][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.763298][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.785608][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.796348][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.805669][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.814223][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.821284][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.829443][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.838211][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.851899][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.860331][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.876485][ T8395] device veth1_vlan entered promiscuous mode [ 64.889488][ T8392] device veth1_vlan entered promiscuous mode [ 64.907062][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.915962][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.924149][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.934448][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.943967][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.952621][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.960307][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.968149][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.975883][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.983694][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.992849][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.001044][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.010498][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.019671][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.028481][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.039413][ T8402] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.048438][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.066051][ T8400] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.077864][ T8400] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.094046][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.103803][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.114601][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.123862][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.132587][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.139765][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.147512][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.156876][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.165233][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.173579][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.181725][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.189872][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.199943][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.207975][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.236071][ T8397] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.253349][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.272187][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.280870][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.287959][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.296437][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.305281][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.314592][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.323474][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.331850][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.340009][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.348946][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.357827][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.366430][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.373513][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.382984][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.390677][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.412129][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.420692][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.430770][ T2709] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.438481][ T2709] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.446264][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.455790][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.489613][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.498448][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.506325][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 170.521517][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.528401][ C1] rcu: 1-...!: (10499 ticks this GP) idle=9ce/1/0x4000000000000002 softirq=11297/11297 fqs=40 [ 170.538976][ C1] (t=10500 jiffies g=6921 q=84) [ 170.543904][ C1] rcu: rcu_preempt kthread starved for 10418 jiffies! g6921 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 170.554988][ C1] rcu: RCU grace-period kthread stack dump: [ 170.560864][ C1] rcu_preempt R running task 28536 10 2 0x80004000 [ 170.568846][ C1] Call Trace: [ 170.572913][ C1] __schedule+0x9a0/0xcc0 [ 170.577239][ C1] schedule+0x181/0x210 [ 170.581384][ C1] schedule_timeout+0x14f/0x240 [ 170.586238][ C1] ? run_local_timers+0x120/0x120 [ 170.591255][ C1] rcu_gp_kthread+0xed8/0x1770 [ 170.596291][ C1] kthread+0x332/0x350 [ 170.600346][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 170.605447][ C1] ? kthread_blkcg+0xe0/0xe0 [ 170.610025][ C1] ret_from_fork+0x24/0x30 [ 170.614439][ C1] NMI backtrace for cpu 1 [ 170.618775][ C1] CPU: 1 PID: 2812 Comm: kworker/1:3 Not tainted 5.5.0-rc5-syzkaller #0 [ 170.627090][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.637499][ C1] Workqueue: events linkwatch_event [ 170.642689][ C1] Call Trace: [ 170.645962][ C1] [ 170.648806][ C1] dump_stack+0x1fb/0x318 [ 170.653132][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.657970][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.664114][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.670168][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.676139][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.682022][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.687128][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.692316][ C1] ? trace_hardirqs_off+0x74/0x80 [ 170.697332][ C1] update_process_times+0x12d/0x180 [ 170.702521][ C1] tick_sched_timer+0x263/0x420 [ 170.707801][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.713336][ C1] __hrtimer_run_queues+0x403/0x840 [ 170.718537][ C1] hrtimer_interrupt+0x38c/0xda0 [ 170.723483][ C1] ? debug_smp_processor_id+0x9/0x20 [ 170.728759][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 170.734306][ C1] apic_timer_interrupt+0xf/0x20 [ 170.739246][ C1] [ 170.742187][ C1] RIP: 0010:__memcg_kmem_uncharge+0x130/0x1a0 [ 170.748243][ C1] Code: 7c 48 89 d8 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 [ 170.767835][ C1] RSP: 0018:ffffc90007fa76d0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 170.776239][ C1] RAX: 0000000000000001 RBX: ffffea0002587840 RCX: 0000000000000000 [ 170.784197][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002587840 [ 170.792160][ C1] RBP: ffffc90007fa76f0 R08: dffffc0000000000 R09: fffffbfff124248a [ 170.800118][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffffea0002587840 [ 170.808080][ C1] R13: 1ffffd40004b0f0f R14: ffffea0002587878 R15: 0000000000000000 [ 170.816064][ C1] free_thread_stack+0x12e/0x590 [ 170.820994][ C1] put_task_stack+0xa3/0x130 [ 170.825587][ C1] finish_task_switch+0x3f1/0x550 [ 170.830605][ C1] __schedule+0x9a8/0xcc0 [ 170.834934][ C1] ? ___preempt_schedule+0x16/0x18 [ 170.840032][ C1] preempt_schedule+0xdb/0x120 [ 170.844784][ C1] ___preempt_schedule+0x16/0x18 [ 170.849708][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 170.854370][ C1] ? vprintk_emit+0x368/0x3a0 [ 170.859038][ C1] vprintk_emit+0x36d/0x3a0 [ 170.863553][ C1] vprintk_default+0x28/0x30 [ 170.868132][ C1] vprintk_func+0x158/0x170 [ 170.872623][ C1] printk+0x62/0x8d [ 170.876424][ C1] ? addrconf_notify+0xd37/0x3c90 [ 170.881431][ C1] ? addrconf_notify+0x779/0x3c90 [ 170.886447][ C1] addrconf_notify+0x2c8d/0x3c90 [ 170.891395][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 170.896674][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 170.902045][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 170.907584][ C1] ? trace_hardirqs_on+0x74/0x80 [ 170.912511][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 170.917871][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 170.923400][ C1] ? tls_dev_event+0x619/0xc00 [ 170.928153][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 170.933717][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 170.938907][ C1] raw_notifier_call_chain+0xec/0x190 [ 170.944286][ C1] netdev_state_change+0x147/0x1f0 [ 170.949387][ C1] linkwatch_do_dev+0x10e/0x160 [ 170.954229][ C1] __linkwatch_run_queue+0x446/0x730 [ 170.959534][ C1] linkwatch_event+0x4c/0x60 [ 170.964116][ C1] process_one_work+0x7ef/0x10d0 [ 170.969056][ C1] worker_thread+0xc01/0x1630 [ 170.973765][ C1] kthread+0x332/0x350 [ 170.977827][ C1] ? rcu_lock_release+0x30/0x30 [ 170.982714][ C1] ? kthread_blkcg+0xe0/0xe0 [ 170.987310][ C1] ret_from_fork+0x24/0x30