[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.876775][ T26] audit: type=1800 audit(1578462320.588:25): pid=8277 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.896974][ T26] audit: type=1800 audit(1578462320.588:26): pid=8277 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.927131][ T26] audit: type=1800 audit(1578462320.588:27): pid=8277 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 05:45:29 fuzzer started 2020/01/08 05:45:31 dialing manager at 10.128.0.26:35703 2020/01/08 05:45:31 syscalls: 2824 2020/01/08 05:45:31 code coverage: enabled 2020/01/08 05:45:31 comparison tracing: enabled 2020/01/08 05:45:31 extra coverage: enabled 2020/01/08 05:45:31 setuid sandbox: enabled 2020/01/08 05:45:31 namespace sandbox: enabled 2020/01/08 05:45:31 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:45:31 fault injection: enabled 2020/01/08 05:45:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:45:31 net packet injection: enabled 2020/01/08 05:45:31 net device setup: enabled 2020/01/08 05:45:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:45:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:45:32 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$IPVS_CMD_DEL_SERVICE(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB="00000000f755"], 0x1}}, 0x0) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0xdfc, &(0x7f0000000100)=[{&(0x7f00000000c0)="800000003804000019000300e60100006c000000000000000100000001000000004000000040000080000000000000006d5ebe5a0000ffff53ef", 0x4db, 0x400}], 0x4801, 0x0) 05:45:32 executing program 1: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 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 = fsopen(&(0x7f0000000140)='sysfs\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r0, 0x0, &(0x7f0000000080)='dirsync\x00', 0x0, 0x0) read(r0, 0x0, 0x0) syzkaller login: [ 61.584802][ T8443] IPVS: ftp: loaded support on port[0] = 21 [ 61.717920][ T8445] IPVS: ftp: loaded support on port[0] = 21 05:45:32 executing program 2: r0 = fsopen(&(0x7f0000000280)='fuse\x00', 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) pipe(&(0x7f0000000240)={0xffffffffffffffff}) fsconfig$FSCONFIG_SET_PATH_EMPTY(r0, 0x4, &(0x7f0000000300)='default_permissions', &(0x7f0000000380)='./file0\x00', r3) [ 61.775725][ T8443] chnl_net:caif_netlink_parms(): no params data found [ 61.909556][ T8443] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.918332][ T8443] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.926310][ T8443] device bridge_slave_0 entered promiscuous mode [ 61.948330][ T8443] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.956486][ T8443] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.965105][ T8443] device bridge_slave_1 entered promiscuous mode [ 61.977168][ T8450] IPVS: ftp: loaded support on port[0] = 21 [ 61.987248][ T8445] chnl_net:caif_netlink_parms(): no params data found [ 62.015846][ T8443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.046503][ T8443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 05:45:32 executing program 3: r0 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0x0, 0x0) poll(&(0x7f00000001c0)=[{r0}], 0x1, 0x9) [ 62.113067][ T8443] team0: Port device team_slave_0 added [ 62.121872][ T8443] team0: Port device team_slave_1 added [ 62.129662][ T8445] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.137364][ T8445] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.146971][ T8445] device bridge_slave_0 entered promiscuous mode [ 62.175524][ T8445] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.182583][ T8445] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.192148][ T8445] device bridge_slave_1 entered promiscuous mode [ 62.285202][ T8443] device hsr_slave_0 entered promiscuous mode 05:45:33 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0x3, &(0x7f0000000200)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x2e, 0x17, 0x0, 0x0, 0xa}}, &(0x7f0000000240)='GPL\x00', 0x1, 0x348, &(0x7f0000000480)=""/195}, 0x48) [ 62.333200][ T8443] device hsr_slave_1 entered promiscuous mode [ 62.421993][ T8445] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.444518][ T8445] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.505561][ T8445] team0: Port device team_slave_0 added [ 62.516138][ T8453] IPVS: ftp: loaded support on port[0] = 21 [ 62.525758][ T8445] team0: Port device team_slave_1 added [ 62.534619][ T8450] chnl_net:caif_netlink_parms(): no params data found [ 62.572112][ T8455] IPVS: ftp: loaded support on port[0] = 21 05:45:33 executing program 5: r0 = syz_open_dev$video(&(0x7f0000000000)='/dev/video#\x00', 0x1000, 0x0) ioctl$VIDIOC_REQBUFS(r0, 0xc0145608, &(0x7f0000000040)={0x0, 0x3}) [ 62.676262][ T8445] device hsr_slave_0 entered promiscuous mode [ 62.712982][ T8445] device hsr_slave_1 entered promiscuous mode [ 62.762883][ T8445] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.770607][ T8445] Cannot create hsr debugfs directory [ 62.791863][ T8450] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.800177][ T8450] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.807856][ T8450] device bridge_slave_0 entered promiscuous mode [ 62.846048][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.853307][ T8450] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.860783][ T8450] device bridge_slave_1 entered promiscuous mode [ 62.887645][ T8450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.889367][ T8457] IPVS: ftp: loaded support on port[0] = 21 [ 62.903097][ T8450] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.927656][ T8450] team0: Port device team_slave_0 added [ 62.962618][ T8450] team0: Port device team_slave_1 added [ 63.085716][ T8450] device hsr_slave_0 entered promiscuous mode [ 63.132961][ T8450] device hsr_slave_1 entered promiscuous mode [ 63.182752][ T8450] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.190340][ T8450] Cannot create hsr debugfs directory [ 63.198440][ T8443] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.250663][ T8443] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.317868][ T8443] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.375106][ T8443] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.511606][ T8445] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.576495][ T8445] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.616232][ T8445] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.682154][ T8455] chnl_net:caif_netlink_parms(): no params data found [ 63.699910][ T8445] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.832606][ T8453] chnl_net:caif_netlink_parms(): no params data found [ 63.849986][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 63.928735][ T8453] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.935887][ T8453] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.945250][ T8453] device bridge_slave_0 entered promiscuous mode [ 63.953776][ T8453] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.960895][ T8453] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.973248][ T8453] device bridge_slave_1 entered promiscuous mode [ 63.980008][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.987441][ T8455] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.995121][ T8455] device bridge_slave_0 entered promiscuous mode [ 64.003388][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.010484][ T8455] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.018149][ T8455] device bridge_slave_1 entered promiscuous mode [ 64.030600][ T8450] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.085392][ T8450] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.160366][ T8450] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.230160][ T8455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.246726][ T8450] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.294030][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.301082][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.309962][ T8457] device bridge_slave_0 entered promiscuous mode [ 64.318295][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.326043][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.333871][ T8457] device bridge_slave_1 entered promiscuous mode [ 64.346044][ T8453] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.356387][ T8455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.383616][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.394118][ T8453] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.411436][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.452118][ T8455] team0: Port device team_slave_0 added [ 64.460752][ T8455] team0: Port device team_slave_1 added [ 64.469078][ T8453] team0: Port device team_slave_0 added [ 64.477016][ T8453] team0: Port device team_slave_1 added [ 64.536065][ T8453] device hsr_slave_0 entered promiscuous mode [ 64.573185][ T8453] device hsr_slave_1 entered promiscuous mode [ 64.603051][ T8453] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.610605][ T8453] Cannot create hsr debugfs directory [ 64.624382][ T8457] team0: Port device team_slave_0 added [ 64.642570][ T8443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.715308][ T8455] device hsr_slave_0 entered promiscuous mode [ 64.753033][ T8455] device hsr_slave_1 entered promiscuous mode [ 64.802750][ T8455] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.810300][ T8455] Cannot create hsr debugfs directory [ 64.825246][ T8457] team0: Port device team_slave_1 added [ 64.846386][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.854400][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.875837][ T8443] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.925335][ T8457] device hsr_slave_0 entered promiscuous mode [ 64.963427][ T8457] device hsr_slave_1 entered promiscuous mode [ 65.003012][ T8457] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.010553][ T8457] Cannot create hsr debugfs directory [ 65.034581][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.043702][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.052311][ T2791] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.059445][ T2791] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.067406][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.085617][ T8450] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.120960][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.130054][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.138432][ T2791] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.145503][ T2791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.185320][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.194242][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.202575][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.211222][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.222589][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.231752][ T8445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.245690][ T8450] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.265174][ T8453] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.284451][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.292020][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.299900][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.308328][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.340959][ T8453] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.364690][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.373531][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.382001][ T3047] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.389081][ T3047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.396778][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.405619][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.414141][ T3047] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.421199][ T3047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.429066][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.437623][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.445257][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.453690][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.461897][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.470331][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.478671][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.507557][ T8453] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.564510][ T8453] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.615584][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.624629][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.648581][ T8443] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.659430][ T8445] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.672299][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.682117][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.694531][ T8455] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.727067][ T8455] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.784961][ T8455] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.848900][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.859464][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.867964][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.876775][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.885025][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.892397][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.901232][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.909687][ T2789] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.916761][ T2789] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.925212][ T8457] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.974742][ T8455] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.018099][ T8443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.033856][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.041581][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.050471][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.058873][ T2789] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.065945][ T2789] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.074461][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.084705][ T8457] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.125526][ T8457] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.164377][ T8457] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.232905][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.241201][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.249634][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.260291][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.269055][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.277330][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.285590][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.296663][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.315771][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.330166][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.338745][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.392955][ T8445] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.407555][ T8445] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.419456][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.429232][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.437792][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.446137][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.454295][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.462809][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.471198][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.478792][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.502400][ T8453] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.515361][ T8450] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.530013][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.541924][ T8443] device veth0_vlan entered promiscuous mode [ 66.560124][ T8453] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.583104][ T8445] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.593613][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.601733][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.610888][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.618932][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.626814][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.634739][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.643270][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.651693][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.666854][ T8443] device veth1_vlan entered promiscuous mode [ 66.687521][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.695432][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.704639][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.712472][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.721946][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.730679][ T2807] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.737761][ T2807] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.770903][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.779299][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.789063][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.797976][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.806435][ T2807] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.813522][ T2807] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.821210][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.830084][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.839309][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.847804][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.856424][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.865901][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.876546][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.890749][ T8450] device veth0_vlan entered promiscuous mode [ 66.904209][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.912267][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.921158][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.929855][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.938461][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.947297][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.957444][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.965569][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.981592][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.997852][ T8450] device veth1_vlan entered promiscuous mode [ 67.019573][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.028014][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.037445][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.060897][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.076850][ T8445] device veth0_vlan entered promiscuous mode [ 67.089857][ T8455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.116183][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.130460][ T2742] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.139937][ T2742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.148346][ T2742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.159139][ T2742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.167284][ T2742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.175522][ T2742] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.184040][ T2742] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.219768][ T8453] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.277322][ T8445] device veth1_vlan entered promiscuous mode [ 67.295490][ T8464] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 67.318247][ T8464] EXT4-fs (loop0): ext4_check_descriptors: Inode bitmap for group 0 not in group (block 22007)! [ 67.337547][ T8464] EXT4-fs (loop0): group descriptors corrupted! [ 172.152648][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.159509][ C1] rcu: 1-...!: (10499 ticks this GP) idle=a46/1/0x4000000000000002 softirq=13866/13866 fqs=40 [ 172.170079][ C1] (t=10500 jiffies g=6629 q=299) [ 172.175090][ C1] rcu: rcu_preempt kthread starved for 10416 jiffies! g6629 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 172.186174][ C1] rcu: RCU grace-period kthread stack dump: [ 172.192054][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 172.199942][ C1] Call Trace: [ 172.203226][ C1] __schedule+0x9a0/0xcc0 [ 172.207551][ C1] schedule+0x181/0x210 [ 172.211699][ C1] schedule_timeout+0x14f/0x240 [ 172.216539][ C1] ? run_local_timers+0x120/0x120 [ 172.221553][ C1] rcu_gp_kthread+0xed8/0x1770 [ 172.226314][ C1] kthread+0x332/0x350 [ 172.230365][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 172.235465][ C1] ? kthread_blkcg+0xe0/0xe0 [ 172.240049][ C1] ret_from_fork+0x24/0x30 [ 172.244463][ C1] NMI backtrace for cpu 1 [ 172.248778][ C1] CPU: 1 PID: 8413 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 172.256563][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.266604][ C1] Call Trace: [ 172.269871][ C1] [ 172.272712][ C1] dump_stack+0x1fb/0x318 [ 172.277033][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.281871][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.288011][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.294067][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.300036][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.305923][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.311027][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.316218][ C1] ? trace_hardirqs_off+0x74/0x80 [ 172.321232][ C1] update_process_times+0x12d/0x180 [ 172.326418][ C1] tick_sched_timer+0x263/0x420 [ 172.331252][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.336785][ C1] __hrtimer_run_queues+0x403/0x840 [ 172.342087][ C1] hrtimer_interrupt+0x38c/0xda0 [ 172.347034][ C1] ? debug_smp_processor_id+0x9/0x20 [ 172.352311][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 172.357844][ C1] apic_timer_interrupt+0xf/0x20 [ 172.362770][ C1] [ 172.365699][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 172.371404][ 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 [ 172.391004][ C1] RSP: 0018:ffffc90001e37b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.399409][ C1] RAX: 1ffff110146c52c1 RBX: ffff8880a3629608 RCX: 0000000000000000 [ 172.407370][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025fef00 [ 172.415334][ C1] RBP: ffffc90001e37b48 R08: dffffc0000000000 R09: fffffbfff124248a [ 172.423297][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a36296a0 [ 172.431267][ C1] R13: dffffc0000000000 R14: 1ffff110146c52d4 R15: ffff88809694b578 [ 172.439257][ C1] put_task_stack+0xa3/0x130 [ 172.443838][ C1] finish_task_switch+0x3f1/0x550 [ 172.448959][ C1] __schedule+0x9a8/0xcc0 [ 172.453295][ C1] schedule+0x181/0x210 [ 172.457453][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 172.463525][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 172.469321][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 172.474683][ C1] ep_poll+0xa4d/0xe80 [ 172.478749][ C1] ? do_task_dead+0xc0/0xc0 [ 172.483242][ C1] ? __kasan_check_read+0x11/0x20 [ 172.488261][ C1] do_epoll_wait+0x1ee/0x260 [ 172.492845][ C1] __x64_sys_epoll_wait+0x9a/0xb0 [ 172.497870][ C1] do_syscall_64+0xf7/0x1c0 [ 172.502368][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.508247][ C1] RIP: 0033:0x7f201b8a8943 [ 172.512665][ C1] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 172.532258][ C1] RSP: 002b:00007fffc19e77f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 172.540663][ C1] RAX: ffffffffffffffda RBX: 0000000001170250 RCX: 00007f201b8a8943 [ 172.548624][ C1] RDX: 0000000000000004 RSI: 00007fffc19e78c0 RDI: 0000000000000007 [ 172.556582][ C1] RBP: 0000000000625500 R08: 00007fffc19e77e0 R09: 00007fffc19f70b8 [ 172.564539][ C1] R10: 000000000000ee31 R11: 0000000000000246 R12: 0000000001181ba0 [ 172.572500][ C1] R13: 00007fffc19e8917 R14: 0000000000000005 R15: 0000000001170250