[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.480731][ T23] audit: type=1800 audit(1578469256.893:25): pid=8444 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.511113][ T23] audit: type=1800 audit(1578469256.903:26): pid=8444 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.551197][ T23] audit: type=1800 audit(1578469256.903:27): pid=8444 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 '10.128.0.140' (ECDSA) to the list of known hosts. 2020/01/08 07:41:06 fuzzer started 2020/01/08 07:41:08 dialing manager at 10.128.0.26:35703 2020/01/08 07:41:08 syscalls: 2824 2020/01/08 07:41:08 code coverage: enabled 2020/01/08 07:41:08 comparison tracing: enabled 2020/01/08 07:41:08 extra coverage: enabled 2020/01/08 07:41:08 setuid sandbox: enabled 2020/01/08 07:41:08 namespace sandbox: enabled 2020/01/08 07:41:08 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:41:08 fault injection: enabled 2020/01/08 07:41:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:41:08 net packet injection: enabled 2020/01/08 07:41:08 net device setup: enabled 2020/01/08 07:41:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:41:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:41:09 executing program 0: r0 = socket$inet6(0x10, 0x1200000000003, 0x0) sendmsg(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000100)="5500000018007f7005fe01b2a4a270930a601480fea843029104000039000900220040001400000008000500ff00081001f3678b80142314e9030b975668a5b16732009b1100b1df13000000fb0000000000000000", 0x55}], 0x1}, 0x0) 07:41:09 executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='mounts\x00') mount$bpf(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='bpf\x00', 0x0, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendfile(r1, r0, 0x0, 0x80000005) syzkaller login: [ 68.389167][ T8610] IPVS: ftp: loaded support on port[0] = 21 [ 68.488168][ T8612] IPVS: ftp: loaded support on port[0] = 21 07:41:09 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000200)={0x2, 0x4e20, @multicast1}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f00000000c0)=0xfffffff9, 0x4) connect$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x18}}, 0x10) [ 68.559514][ T8610] chnl_net:caif_netlink_parms(): no params data found [ 68.719576][ T8616] IPVS: ftp: loaded support on port[0] = 21 [ 68.732987][ T8612] chnl_net:caif_netlink_parms(): no params data found [ 68.747923][ T8610] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.756915][ T8610] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.765148][ T8610] device bridge_slave_0 entered promiscuous mode 07:41:10 executing program 3: r0 = socket$rxrpc(0x21, 0x2, 0xa) sendmsg$sock(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@mark={{0x14, 0x110, 0xd}}], 0x18}, 0x0) [ 68.802410][ T8610] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.809491][ T8610] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.819415][ T8610] device bridge_slave_1 entered promiscuous mode [ 68.867075][ T8610] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.900904][ T8610] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.912223][ T8612] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.919283][ T8612] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.928885][ T8612] device bridge_slave_0 entered promiscuous mode [ 68.994637][ T8612] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.003269][ T8612] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.022241][ T8612] device bridge_slave_1 entered promiscuous mode [ 69.044226][ T8610] team0: Port device team_slave_0 added [ 69.064255][ T8616] chnl_net:caif_netlink_parms(): no params data found [ 69.091849][ T8610] team0: Port device team_slave_1 added 07:41:10 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x48, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x28, 0x12, @gre={{0x8, 0x1, 'gre\x00'}, {0x1c, 0x2, [@IFLA_GRE_REMOTE={0x8, 0x8, @multicast1}, @IFLA_GRE_REMOTE={0x8, 0x7, @broadcast}, @IFLA_GRE_LOCAL={0x8}]}}}]}, 0x48}}, 0x0) [ 69.118117][ T8619] IPVS: ftp: loaded support on port[0] = 21 [ 69.164639][ T8612] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.194267][ T8612] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 07:41:10 executing program 5: r0 = syz_open_dev$usbfs(&(0x7f0000000000)='/dev/bus/usb/00#/00#\x00', 0x77, 0x1) ioctl$USBDEVFS_CONTROL(r0, 0x551f, 0x0) [ 69.283781][ T8610] device hsr_slave_0 entered promiscuous mode [ 69.311323][ T8610] device hsr_slave_1 entered promiscuous mode [ 69.367603][ T8616] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.375339][ T8616] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.387247][ T8616] device bridge_slave_0 entered promiscuous mode [ 69.397317][ T8616] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.407124][ T8616] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.415238][ T8616] device bridge_slave_1 entered promiscuous mode [ 69.445139][ T8612] team0: Port device team_slave_0 added [ 69.460659][ T8621] IPVS: ftp: loaded support on port[0] = 21 [ 69.477788][ T8616] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.506870][ T8612] team0: Port device team_slave_1 added [ 69.520637][ T8616] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.549945][ T8623] IPVS: ftp: loaded support on port[0] = 21 [ 69.583331][ T8612] device hsr_slave_0 entered promiscuous mode [ 69.641377][ T8612] device hsr_slave_1 entered promiscuous mode [ 69.681127][ T8612] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.688847][ T8612] Cannot create hsr debugfs directory [ 69.758725][ T8616] team0: Port device team_slave_0 added [ 69.767121][ T8616] team0: Port device team_slave_1 added [ 69.883909][ T8616] device hsr_slave_0 entered promiscuous mode [ 69.921383][ T8616] device hsr_slave_1 entered promiscuous mode [ 69.971188][ T8616] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.978764][ T8616] Cannot create hsr debugfs directory [ 70.096894][ T8610] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.123275][ T8619] chnl_net:caif_netlink_parms(): no params data found [ 70.168560][ T8610] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.225667][ T8610] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.285023][ T8610] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.342812][ T8612] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.386061][ T8612] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.424411][ T8612] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.475171][ T8612] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.558319][ T8619] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.567870][ T8619] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.575655][ T8619] device bridge_slave_0 entered promiscuous mode [ 70.584105][ T8623] chnl_net:caif_netlink_parms(): no params data found [ 70.615970][ T8619] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.623447][ T8619] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.631241][ T8619] device bridge_slave_1 entered promiscuous mode [ 70.664380][ T8616] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.726410][ T8616] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.776262][ T8616] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.836568][ T8619] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.848906][ T8616] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.883689][ T8621] chnl_net:caif_netlink_parms(): no params data found [ 70.903048][ T8619] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.922122][ T8623] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.929226][ T8623] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.940077][ T8623] device bridge_slave_0 entered promiscuous mode [ 70.969766][ T8621] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.977617][ T8621] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.985442][ T8621] device bridge_slave_0 entered promiscuous mode [ 70.997182][ T8623] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.005108][ T8623] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.012821][ T8623] device bridge_slave_1 entered promiscuous mode [ 71.027391][ T8621] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.034994][ T8621] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.042677][ T8621] device bridge_slave_1 entered promiscuous mode [ 71.070897][ T8619] team0: Port device team_slave_0 added [ 71.078756][ T8619] team0: Port device team_slave_1 added [ 71.097300][ T8623] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.108947][ T8623] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.138098][ T8610] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.169927][ T8621] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.213164][ T8619] device hsr_slave_0 entered promiscuous mode [ 71.261464][ T8619] device hsr_slave_1 entered promiscuous mode [ 71.301213][ T8619] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.308823][ T8619] Cannot create hsr debugfs directory [ 71.321330][ T8621] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.341976][ T8623] team0: Port device team_slave_0 added [ 71.349228][ T8623] team0: Port device team_slave_1 added [ 71.388359][ T8621] team0: Port device team_slave_0 added [ 71.398255][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.407239][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.434337][ T8610] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.452199][ T8621] team0: Port device team_slave_1 added [ 71.464560][ T8612] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.523570][ T8623] device hsr_slave_0 entered promiscuous mode [ 71.551326][ T8623] device hsr_slave_1 entered promiscuous mode [ 71.611169][ T8623] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.618738][ T8623] Cannot create hsr debugfs directory [ 71.629421][ T8616] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.660810][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.669855][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.678498][ T2738] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.685707][ T2738] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.695351][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.704430][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.712993][ T2738] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.720042][ T2738] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.803974][ T8621] device hsr_slave_0 entered promiscuous mode [ 71.831716][ T8621] device hsr_slave_1 entered promiscuous mode [ 71.891155][ T8621] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.898745][ T8621] Cannot create hsr debugfs directory [ 71.908613][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.916601][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.929528][ T8612] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.954119][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.964192][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.973506][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.981247][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.988811][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.000291][ T8616] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.026346][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.036901][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.045425][ T2738] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.052516][ T2738] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.060900][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.069752][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.078211][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.086650][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.095033][ T2738] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.102116][ T2738] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.109596][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.118304][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.126620][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.135157][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.143809][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.152319][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.160732][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.169040][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.183055][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.190853][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.240230][ T8610] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.249012][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.262123][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.270367][ T2736] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.277446][ T2736] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.285169][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.294093][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.302730][ T2736] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.309769][ T2736] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.317626][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.326329][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.335009][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.342841][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.379602][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.389279][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.400887][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.409573][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.421801][ T8619] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.475305][ T8619] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.537059][ T8619] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.592875][ T8619] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.648359][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.656741][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.672246][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.680526][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.714582][ T8612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.725202][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.734608][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.743678][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.751311][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.758761][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.769453][ T8623] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 72.831163][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.839712][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.852042][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.860311][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.877522][ T8623] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.933994][ T8610] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.944572][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.954172][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.963366][ T8623] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.993097][ T8621] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.035346][ T8616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.060285][ T8623] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 73.085838][ T8621] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.122748][ T8621] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 73.185742][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.194771][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.204929][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.212384][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.219728][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.227257][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.235682][ T8621] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 73.310203][ T8619] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.326847][ T8616] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.340866][ T8612] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.360295][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.369408][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.378000][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.387176][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.398058][ T8610] device veth0_vlan entered promiscuous mode [ 73.410419][ T8619] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.433259][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.440916][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.449082][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.457697][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.466220][ T2735] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.473316][ T2735] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.481575][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.490023][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.498889][ T2735] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.505974][ T2735] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.529304][ T8610] device veth1_vlan entered promiscuous mode [ 73.545285][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.554808][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.563100][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.570848][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.579723][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.588515][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.601292][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.629700][ T8616] device veth0_vlan entered promiscuous mode [ 73.654448][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.663255][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.676989][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.686319][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.695273][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.703725][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.712248][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.720412][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.728674][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.737433][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.747337][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.755175][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.763220][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.778500][ T8616] device veth1_vlan entered promiscuous mode [ 73.791343][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.799412][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.808356][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.858002][ T8621] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.890527][ T8623] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.902284][ T8619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.917161][ T8612] device veth0_vlan entered promiscuous mode [ 73.932119][ T8621] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.947399][ T8623] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.955941][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.965407][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.974495][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.983688][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 178.991001][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.997761][ C0] rcu: 0-...!: (10499 ticks this GP) idle=13a/1/0x4000000000000002 softirq=15989/15989 fqs=39 [ 179.008340][ C0] (t=10500 jiffies g=6805 q=73) [ 179.013269][ C0] rcu: rcu_preempt kthread starved for 10422 jiffies! g6805 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 179.024351][ C0] rcu: RCU grace-period kthread stack dump: [ 179.030224][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 179.038115][ C0] Call Trace: [ 179.041405][ C0] __schedule+0x9a0/0xcc0 [ 179.045734][ C0] schedule+0x181/0x210 [ 179.049880][ C0] schedule_timeout+0x14f/0x240 [ 179.054716][ C0] ? run_local_timers+0x120/0x120 [ 179.059750][ C0] rcu_gp_kthread+0xed8/0x1770 [ 179.064522][ C0] kthread+0x332/0x350 [ 179.068578][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 179.073679][ C0] ? kthread_blkcg+0xe0/0xe0 [ 179.078259][ C0] ret_from_fork+0x24/0x30 [ 179.082677][ C0] NMI backtrace for cpu 0 [ 179.086995][ C0] CPU: 0 PID: 2735 Comm: kworker/0:18 Not tainted 5.5.0-rc5-syzkaller #0 [ 179.095388][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.105459][ C0] Workqueue: events linkwatch_event [ 179.110641][ C0] Call Trace: [ 179.113912][ C0] [ 179.116756][ C0] dump_stack+0x1fb/0x318 [ 179.121085][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.125919][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.132063][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.138119][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.144090][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.149969][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.155076][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.160266][ C0] ? trace_hardirqs_off+0x74/0x80 [ 179.165305][ C0] update_process_times+0x12d/0x180 [ 179.170504][ C0] tick_sched_timer+0x263/0x420 [ 179.175442][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.180988][ C0] __hrtimer_run_queues+0x403/0x840 [ 179.186198][ C0] hrtimer_interrupt+0x38c/0xda0 [ 179.191148][ C0] ? debug_smp_processor_id+0x9/0x20 [ 179.196429][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 179.201965][ C0] apic_timer_interrupt+0xf/0x20 [ 179.206889][ C0] [ 179.209817][ C0] RIP: 0010:__memcg_kmem_uncharge+0x6/0x1a0 [ 179.215699][ C0] Code: bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff [ 179.235304][ C0] RSP: 0018:ffffc90007c4f640 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 179.243721][ C0] RAX: ffffffff81489244 RBX: ffffea00026c6040 RCX: ffff88809f8a0180 [ 179.252131][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00026c6040 [ 179.260094][ C0] RBP: ffffc90007c4f648 R08: 000000000003a728 R09: fffffbfff124248a [ 179.268058][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888096107b20 [ 179.276022][ C0] R13: dffffc0000000000 R14: 1ffff11012c20f64 R15: ffff8880938055b8 [ 179.284004][ C0] ? free_thread_stack+0x124/0x590 [ 179.289113][ C0] free_thread_stack+0x12e/0x590 [ 179.294043][ C0] put_task_stack+0xa3/0x130 [ 179.298628][ C0] finish_task_switch+0x3f1/0x550 [ 179.303659][ C0] __schedule+0x9a8/0xcc0 [ 179.307994][ C0] ? ___preempt_schedule+0x16/0x18 [ 179.313095][ C0] preempt_schedule+0xdb/0x120 [ 179.317848][ C0] ? ip6_route_add+0x95/0x130 [ 179.322517][ C0] ___preempt_schedule+0x16/0x18 [ 179.327452][ C0] ? mark_lock+0x107/0x1650 [ 179.331946][ C0] __local_bh_enable_ip+0x17d/0x240 [ 179.337137][ C0] ? ip6_route_add+0x95/0x130 [ 179.341808][ C0] _raw_spin_unlock_bh+0x2f/0x40 [ 179.346742][ C0] ip6_route_add+0x95/0x130 [ 179.351238][ C0] addrconf_add_dev+0x3c8/0x540 [ 179.356100][ C0] addrconf_dev_config+0x114/0x280 [ 179.361208][ C0] addrconf_notify+0xc8d/0x3c90 [ 179.366059][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 179.371332][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 179.376698][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 179.382236][ C0] ? trace_hardirqs_on+0x74/0x80 [ 179.387189][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 179.392561][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 179.398120][ C0] ? tls_dev_event+0x619/0xc00 [ 179.402886][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 179.408428][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 179.413624][ C0] raw_notifier_call_chain+0xec/0x190 [ 179.418993][ C0] netdev_state_change+0x147/0x1f0 [ 179.424101][ C0] linkwatch_do_dev+0x10e/0x160 [ 179.428947][ C0] __linkwatch_run_queue+0x446/0x730 [ 179.434318][ C0] linkwatch_event+0x4c/0x60 [ 179.438898][ C0] process_one_work+0x7ef/0x10d0 [ 179.443865][ C0] worker_thread+0xc01/0x1630 [ 179.448561][ C0] kthread+0x332/0x350 [ 179.452626][ C0] ? rcu_lock_release+0x30/0x30 [ 179.457468][ C0] ? kthread_blkcg+0xe0/0xe0 [ 179.462066][ C0] ret_from_fork+0x24/0x30