[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.814626][ T23] audit: type=1800 audit(1578465698.387:25): pid=8300 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.856901][ T23] audit: type=1800 audit(1578465698.387:26): pid=8300 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.895993][ T23] audit: type=1800 audit(1578465698.387:27): pid=8300 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 '10.128.0.207' (ECDSA) to the list of known hosts. 2020/01/08 06:41:49 fuzzer started 2020/01/08 06:41:50 dialing manager at 10.128.0.26:35703 2020/01/08 06:41:50 syscalls: 2824 2020/01/08 06:41:50 code coverage: enabled 2020/01/08 06:41:50 comparison tracing: enabled 2020/01/08 06:41:50 extra coverage: enabled 2020/01/08 06:41:50 setuid sandbox: enabled 2020/01/08 06:41:50 namespace sandbox: enabled 2020/01/08 06:41:50 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:41:50 fault injection: enabled 2020/01/08 06:41:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:41:50 net packet injection: enabled 2020/01/08 06:41:50 net device setup: enabled 2020/01/08 06:41:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:41:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:41:51 executing program 0: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) msgctl$MSG_INFO(0x0, 0xc, &(0x7f0000000040)=""/133) 06:41:51 executing program 1: r0 = socket$can_j1939(0x1d, 0x2, 0x7) syz_open_procfs(0x0, &(0x7f0000000380)='net/arp\x00') r1 = socket$inet6(0xa, 0x4001008000000002, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x89f0, &(0x7f0000000340)={'tunl0\x00', &(0x7f0000000000)=@ethtool_ringparam}) stat(0x0, &(0x7f0000000180)) getuid() r2 = socket$inet6(0xa, 0x0, 0x0) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x89f0, &(0x7f0000000340)={'tunl0\x00', &(0x7f0000000000)=@ethtool_ringparam}) fstat(r2, 0x0) getsockopt$SO_J1939_SEND_PRIO(r0, 0x6b, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4) syzkaller login: [ 61.241790][ T8467] IPVS: ftp: loaded support on port[0] = 21 [ 61.322901][ T8469] IPVS: ftp: loaded support on port[0] = 21 06:41:52 executing program 2: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x28a) sendmsg$nl_route(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)=@newlink={0x30, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r5}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0) [ 61.456170][ T8467] chnl_net:caif_netlink_parms(): no params data found [ 61.473733][ T8469] chnl_net:caif_netlink_parms(): no params data found [ 61.581822][ T8467] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.589323][ T8467] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.599033][ T8473] IPVS: ftp: loaded support on port[0] = 21 [ 61.607057][ T8467] device bridge_slave_0 entered promiscuous mode [ 61.626234][ T8469] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.634484][ T8469] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.644184][ T8469] device bridge_slave_0 entered promiscuous mode [ 61.654493][ T8467] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.671352][ T8467] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.678948][ T8467] device bridge_slave_1 entered promiscuous mode 06:41:52 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x71, 0x10, 0x19}, [@ldst={0x0, 0x0, 0x2}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000080), 0xfffffffffffffffb}, 0x48) [ 61.702392][ T8469] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.709811][ T8469] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.720027][ T8469] device bridge_slave_1 entered promiscuous mode [ 61.775550][ T8467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.806017][ T8469] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.816868][ T8467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.832646][ T8469] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.877960][ T8467] team0: Port device team_slave_0 added [ 61.933205][ T8467] team0: Port device team_slave_1 added [ 61.940329][ T8469] team0: Port device team_slave_0 added [ 61.948096][ T8469] team0: Port device team_slave_1 added [ 61.965055][ T8476] IPVS: ftp: loaded support on port[0] = 21 [ 61.996455][ T8473] chnl_net:caif_netlink_parms(): no params data found 06:41:52 executing program 4: select(0x40, &(0x7f0000000000)={0x105b}, 0x0, 0x0, 0x0) r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r0, 0x40087703, 0xfffffffe) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r0, 0x0) ioctl$ASHMEM_SET_NAME(r0, 0x40087708, &(0x7f0000000000)='\x00') [ 62.053536][ T8467] device hsr_slave_0 entered promiscuous mode [ 62.091491][ T8467] device hsr_slave_1 entered promiscuous mode 06:41:52 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41be, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000440)={0x0, 0x70, 0xb8, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x12, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x63, 0x11, 0x28}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0xe, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 62.283662][ T8469] device hsr_slave_0 entered promiscuous mode [ 62.344616][ T8469] device hsr_slave_1 entered promiscuous mode [ 62.401367][ T8469] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.409124][ T8469] Cannot create hsr debugfs directory [ 62.444931][ T8480] IPVS: ftp: loaded support on port[0] = 21 [ 62.464538][ T8478] IPVS: ftp: loaded support on port[0] = 21 [ 62.473513][ T8473] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.480838][ T8473] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.490025][ T8473] device bridge_slave_0 entered promiscuous mode [ 62.499896][ T8473] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.507076][ T8473] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.516087][ T8473] device bridge_slave_1 entered promiscuous mode [ 62.579650][ T8473] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.593263][ T8473] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.640509][ T8476] chnl_net:caif_netlink_parms(): no params data found [ 62.697222][ T8473] team0: Port device team_slave_0 added [ 62.726503][ T8473] team0: Port device team_slave_1 added [ 62.748365][ T8476] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.757247][ T8476] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.769816][ T8476] device bridge_slave_0 entered promiscuous mode [ 62.779205][ T8476] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.786384][ T8476] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.794266][ T8476] device bridge_slave_1 entered promiscuous mode [ 62.810849][ T8469] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.868013][ T8467] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.926772][ T8467] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.987152][ T8469] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.104968][ T8473] device hsr_slave_0 entered promiscuous mode [ 63.163769][ T8473] device hsr_slave_1 entered promiscuous mode [ 63.221210][ T8473] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.228797][ T8473] Cannot create hsr debugfs directory [ 63.235865][ T8476] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.246194][ T8467] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.303360][ T8469] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.349036][ T8469] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.399380][ T8476] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.410471][ T8467] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.503413][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 63.531733][ T8476] team0: Port device team_slave_0 added [ 63.563534][ T8476] team0: Port device team_slave_1 added [ 63.569291][ T8478] chnl_net:caif_netlink_parms(): no params data found [ 63.660813][ T8478] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.670767][ T8478] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.678930][ T8478] device bridge_slave_0 entered promiscuous mode [ 63.708004][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.715260][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.726804][ T8480] device bridge_slave_0 entered promiscuous mode [ 63.734253][ T8478] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.741651][ T8478] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.749142][ T8478] device bridge_slave_1 entered promiscuous mode [ 63.775699][ T8467] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.787378][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.795448][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.803123][ T8480] device bridge_slave_1 entered promiscuous mode [ 63.842670][ T8476] device hsr_slave_0 entered promiscuous mode [ 63.891426][ T8476] device hsr_slave_1 entered promiscuous mode [ 63.931243][ T8476] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.938965][ T8476] Cannot create hsr debugfs directory [ 63.944695][ T8473] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.014691][ T8478] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.026865][ T8478] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.044448][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.056541][ T8473] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.114061][ T8473] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.194697][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.214083][ T8473] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.266660][ T8467] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.288925][ T8480] team0: Port device team_slave_0 added [ 64.299613][ T8480] team0: Port device team_slave_1 added [ 64.309816][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.318334][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.329939][ T8478] team0: Port device team_slave_0 added [ 64.339138][ T8478] team0: Port device team_slave_1 added [ 64.375443][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.384326][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.393900][ T3062] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.401257][ T3062] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.409622][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.483462][ T8480] device hsr_slave_0 entered promiscuous mode [ 64.512176][ T8480] device hsr_slave_1 entered promiscuous mode [ 64.551254][ T8480] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.558847][ T8480] Cannot create hsr debugfs directory [ 64.582915][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.593324][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.602668][ T2667] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.609703][ T2667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.617336][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.626565][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.635550][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.644227][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.714004][ T8478] device hsr_slave_0 entered promiscuous mode [ 64.771860][ T8478] device hsr_slave_1 entered promiscuous mode [ 64.831233][ T8478] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.838829][ T8478] Cannot create hsr debugfs directory [ 64.845155][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.853394][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.862049][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.870208][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.878569][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.939726][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.948405][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.963704][ T8469] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.979743][ T8476] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.034389][ T8467] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.058790][ T8476] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.105176][ T8476] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.152833][ T8476] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.209084][ T8473] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.219631][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.227808][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.258145][ T8469] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.270832][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.279707][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.287221][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.296410][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.308120][ T8467] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.325238][ T8473] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.351156][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.359659][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.369401][ T2667] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.376713][ T2667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.385679][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.394460][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.402800][ T2667] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.409965][ T2667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.426477][ T8480] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.466300][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.474138][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.483277][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.491928][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.503348][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.511939][ T2667] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.519105][ T2667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.527629][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.536084][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.544957][ T2667] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.552831][ T2667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.560643][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.574395][ T8480] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.622824][ T8480] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.666113][ T8480] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 65.745544][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.754889][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.765446][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.775115][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.803262][ T8478] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.862901][ T8478] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.904150][ T8478] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.954940][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.963826][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.972354][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.980734][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.989864][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.998908][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.023614][ T8476] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.034129][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.044156][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.053099][ T8478] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.114585][ T8469] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.126148][ T8469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.143879][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.152299][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.160302][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.168096][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.175733][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.184554][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.193258][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.201821][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.212946][ T8476] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.234156][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.243376][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.252172][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.260436][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.274106][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.283283][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.291812][ T2675] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.298938][ T2675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.309395][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.329797][ T8469] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.340477][ T8473] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.355320][ T8467] device veth0_vlan entered promiscuous mode [ 66.367197][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.377409][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.387266][ T3045] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.394338][ T3045] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.402940][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.410330][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.417895][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.426446][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.435470][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.443574][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.473475][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.483715][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.492501][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.501001][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.510699][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.535055][ T8473] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.550577][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.560035][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.569528][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.577213][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.585163][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.594252][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.603363][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.612132][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.629059][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.638209][ T3062] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.652417][ T8467] device veth1_vlan entered promiscuous mode [ 66.670238][ T8476] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.686147][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.701284][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.709143][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.720186][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.728687][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.756773][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.768462][ T8469] device veth0_vlan entered promiscuous mode [ 66.778084][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.797881][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.806389][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.815665][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.824599][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.832433][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.850727][ T8473] device veth0_vlan entered promiscuous mode [ 66.864221][ T8469] device veth1_vlan entered promiscuous mode [ 66.895569][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.904549][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.913350][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.922803][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.931794][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.940313][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.948120][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.962627][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.970113][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.983571][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.996231][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.008467][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.015577][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.037365][ T8473] device veth1_vlan entered promiscuous mode [ 67.094127][ T8478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.118928][ T8478] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.178179][ T8478] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.195433][ T8478] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.238816][ T8478] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 171.921038][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.927867][ C0] rcu: 0-...!: (10498 ticks this GP) idle=d6e/1/0x4000000000000002 softirq=12818/12818 fqs=15 [ 171.940765][ C0] (t=10501 jiffies g=6609 q=458) [ 171.945785][ C0] rcu: rcu_preempt kthread starved for 10469 jiffies! g6609 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 171.956892][ C0] rcu: RCU grace-period kthread stack dump: [ 171.963320][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 171.971307][ C0] Call Trace: [ 171.974594][ C0] __schedule+0x9a0/0xcc0 [ 171.979007][ C0] schedule+0x181/0x210 [ 171.983171][ C0] schedule_timeout+0x14f/0x240 [ 171.988051][ C0] ? run_local_timers+0x120/0x120 [ 171.993172][ C0] rcu_gp_kthread+0xed8/0x1770 [ 171.997934][ C0] kthread+0x332/0x350 [ 172.001994][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.007095][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.015598][ C0] ret_from_fork+0x24/0x30 [ 172.020017][ C0] NMI backtrace for cpu 0 [ 172.024335][ C0] CPU: 0 PID: 8486 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.033956][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.051463][ C0] Call Trace: [ 172.054748][ C0] [ 172.057591][ C0] dump_stack+0x1fb/0x318 [ 172.061915][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.066752][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.072898][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.078954][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.085106][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.090993][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.096101][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.101727][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.106740][ C0] update_process_times+0x12d/0x180 [ 172.112040][ C0] tick_sched_timer+0x263/0x420 [ 172.117033][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.122850][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.128078][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.133030][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.138311][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.143852][ C0] apic_timer_interrupt+0xf/0x20 [ 172.148779][ C0] [ 172.151713][ C0] RIP: 0010:__memcg_kmem_uncharge+0x132/0x1a0 [ 172.158051][ C0] Code: 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 96 4c [ 172.180515][ C0] RSP: 0018:ffffc90002167998 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 172.188919][ C0] RAX: 0000000000000001 RBX: ffffea00024dee80 RCX: 0000000000000000 [ 172.196880][ C0] RDX: ffffc90001e59000 RSI: 0000000000000000 RDI: ffffea00024dee80 [ 172.204855][ C0] RBP: ffffc900021679b0 R08: 000000000003a728 R09: ffffed10126f52a9 [ 172.212824][ C0] R10: ffffed10126f52a9 R11: 0000000000000000 R12: ffff888093eb3d20 [ 172.220808][ C0] R13: 1ffffd400049bdd7 R14: ffffea00024deeb8 R15: 0000000000000000 [ 172.229320][ C0] free_thread_stack+0x12e/0x590 [ 172.234253][ C0] put_task_stack+0xa3/0x130 [ 172.238834][ C0] finish_task_switch+0x3f1/0x550 [ 172.244291][ C0] __schedule+0x9a8/0xcc0 [ 172.248619][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.254593][ C0] schedule+0x181/0x210 [ 172.258747][ C0] schedule_preempt_disabled+0x13/0x20 [ 172.264215][ C0] mutex_optimistic_spin+0x445/0x480 [ 172.269497][ C0] __mutex_lock_common+0x2e7/0x2e10 [ 172.275215][ C0] ? rtnl_lock+0x17/0x20 [ 172.279450][ C0] ? __might_fault+0xf9/0x160 [ 172.284127][ C0] mutex_lock_nested+0x1b/0x30 [ 172.288977][ C0] rtnl_lock+0x17/0x20 [ 172.293033][ C0] sock_do_ioctl+0x11e/0x260 [ 172.297621][ C0] sock_ioctl+0x464/0x690 [ 172.301942][ C0] ? sock_poll+0x310/0x310 [ 172.306351][ C0] do_vfs_ioctl+0x70b/0x1a30 [ 172.310932][ C0] ? __fget+0x431/0x510 [ 172.315085][ C0] ? tomoyo_file_ioctl+0x23/0x30 [ 172.320044][ C0] ? security_file_ioctl+0xa1/0xd0 [ 172.325155][ C0] __x64_sys_ioctl+0xe3/0x120 [ 172.329844][ C0] do_syscall_64+0xf7/0x1c0 [ 172.334347][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.340344][ C0] RIP: 0033:0x45af49 [ 172.345557][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 172.365384][ C0] RSP: 002b:00007f2243292c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 172.373962][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 172.381924][ C0] RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000004 [ 172.389889][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 172.397949][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f22432936d4 [ 172.405997][ C0] R13: 00000000004c4f66 R14: 00000000004db980 R15: 00000000ffffffff