[ 48.155897][ T23] audit: type=1800 audit(1578450990.920:25): pid=8214 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.198419][ T23] audit: type=1800 audit(1578450990.920:26): pid=8214 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.261433][ T23] audit: type=1800 audit(1578450990.920:27): pid=8214 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 48.290224][ T23] audit: type=1800 audit(1578450990.920:28): pid=8214 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.0.204' (ECDSA) to the list of known hosts. 2020/01/08 02:36:39 fuzzer started 2020/01/08 02:36:40 dialing manager at 10.128.0.26:35703 2020/01/08 02:36:40 syscalls: 2824 2020/01/08 02:36:40 code coverage: enabled 2020/01/08 02:36:40 comparison tracing: enabled 2020/01/08 02:36:40 extra coverage: enabled 2020/01/08 02:36:40 setuid sandbox: enabled 2020/01/08 02:36:40 namespace sandbox: enabled 2020/01/08 02:36:40 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:36:40 fault injection: enabled 2020/01/08 02:36:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:36:40 net packet injection: enabled 2020/01/08 02:36:40 net device setup: enabled 2020/01/08 02:36:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:36:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:36:41 executing program 0: socket$inet6(0xa, 0x3, 0x6) r0 = socket(0xa, 0x1, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x40) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$F_GET_FILE_RW_HINT(0xffffffffffffffff, 0x40d, &(0x7f0000000440)) r1 = syz_open_dev$loop(&(0x7f00000004c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140)='TIPC\x00') sendmsg$TIPC_CMD_ENABLE_BEARER(r0, &(0x7f00000005c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10010000}, 0xc, &(0x7f0000000340)={&(0x7f00000001c0)={0x34, r2, 0x400, 0x70bd2c, 0x25dfdbfe, {}, ["", "", "", "", "", ""]}, 0x34}, 0x1, 0x0, 0x0, 0x8040}, 0x4080) r3 = memfd_create(&(0x7f0000000080)='\xfaIhFlK\x99F\x17\x16\xa5>\xd3\xc0\x93\xb5.\xda\x06_bT\x1cB\xdb\xf8y1\xe7,\x03\x98h\x86(\xa0m\x87+x\x14i\x88\xcd\x89\x81\xfb\x86', 0x0) pwritev(r3, &(0x7f0000f50f90)=[{&(0x7f00000000c0)='S', 0x1}], 0x1, 0x4081003) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r3) bind$inet(0xffffffffffffffff, &(0x7f0000000240)={0x2, 0x4e20, @empty}, 0x10) r4 = dup(0xffffffffffffffff) sendmmsg$unix(r4, 0x0, 0x0, 0x0) r5 = socket(0x1e, 0x805, 0x0) sendmsg(r5, &(0x7f0000db5fc8)={&(0x7f00004aeb5c)=@generic={0x10000001001e, "030000000000000000000001e526cc573c5bf86c483724c71e14dd6a739effea1b48007be61ffe06d79f00000000000000076c3f010039d8f986ff01000000000000af06d5fe32c419d67bcbc7e3ad316a198356edb9b7341c1fd45624281e27800ece70b076c3979ac40000bd767e2e78a1dfd300881a1565b3b16d7436"}, 0x80, 0x0}, 0x0) getsockopt$sock_buf(r5, 0x1, 0x1c, 0x0, &(0x7f0000000080)) r6 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r6, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r5, 0x84, 0x6f, &(0x7f0000000380)={r7, 0x84, &(0x7f0000000740)=[@in={0x2, 0x4e21, @initdev={0xac, 0x1e, 0x0, 0x0}}, @in={0x2, 0x4e22, @remote}, @in6={0xa, 0x4e20, 0x0, @rand_addr="1c2d72a79b83dd1cbeffd5cbc0b4709b", 0x3}, @in6={0xa, 0x4e23, 0x3, @ipv4={[], [], @multicast2}, 0x6}, @in={0x2, 0x4e22, @empty}, @in6={0xa, 0x4e23, 0x400, @mcast2, 0x3f}]}, &(0x7f0000000480)=0x10) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000040)={r4, &(0x7f0000000100), &(0x7f0000000280)=""/134}, 0x20) syz_emit_ethernet(0x46, &(0x7f0000000800)=ANY=[@ANYBLOB="ffffffffffffffffffff0800450000380000000000009078ac2314bbac1414110b04907800000000470000000000000000000000ac2314aaac141400890702ac1e010100000099fabc29186a9c0d670e7b88bfeae47f4af6ca2016bca1ffbd800052c349a2b2aca2888006bf0b33c1e453c88b2354dded80a90798d008e6e9e993c353b91a0335e823c00cfc51e7876af9b7ff6389efb24673659e9345a69f17f369a4c7f62a82d638de3f46f3cbdc4dc6d0281f16c1bae5f2758b71e8c73d5dc4b8e713353acf949e05e869fa17e4078122"], 0x0) fallocate(r1, 0x11, 0x0, 0x100000001) 02:36:41 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) io_submit(0x0, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0}]) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_VAPIC_ADDR(r2, 0x4008ae93, &(0x7f0000000400)=0x1000) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000001c0)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4cb]}) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = dup3(r3, r4, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syzkaller login: [ 58.630243][ T8380] IPVS: ftp: loaded support on port[0] = 21 02:36:41 executing program 2: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0x0) [ 58.818883][ T8380] chnl_net:caif_netlink_parms(): no params data found [ 58.867624][ T8383] IPVS: ftp: loaded support on port[0] = 21 [ 58.936106][ T8380] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.952675][ T8380] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.972360][ T8380] device bridge_slave_0 entered promiscuous mode 02:36:41 executing program 3: r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vhost-vsock\x00', 0x2, 0x0) unshare(0x20400) ioctl$VHOST_SET_MEM_TABLE(0xffffffffffffffff, 0x4008af03, 0x0) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4008af00, &(0x7f00000006c0)=0x5) [ 59.007817][ T8380] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.022783][ T8380] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.041494][ T8380] device bridge_slave_1 entered promiscuous mode [ 59.148266][ T8380] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.166669][ T8380] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.186698][ T8387] IPVS: ftp: loaded support on port[0] = 21 [ 59.235858][ T8383] chnl_net:caif_netlink_parms(): no params data found [ 59.261120][ T8380] team0: Port device team_slave_0 added [ 59.285254][ T8380] team0: Port device team_slave_1 added [ 59.341299][ T8383] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.348491][ T8383] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.359697][ T8383] device bridge_slave_0 entered promiscuous mode [ 59.369431][ T8383] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.378518][ T8383] bridge0: port 2(bridge_slave_1) entered disabled state 02:36:42 executing program 4: r0 = socket(0x40000000015, 0x5, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x0, 0x0, @rand_addr="ffba4195a8914923d5b3b6e33004d368"}, 0x1c) [ 59.386629][ T8383] device bridge_slave_1 entered promiscuous mode [ 59.440199][ T8388] IPVS: ftp: loaded support on port[0] = 21 [ 59.449046][ T8383] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.475678][ T8383] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.554172][ T8380] device hsr_slave_0 entered promiscuous mode [ 59.581917][ T8380] device hsr_slave_1 entered promiscuous mode 02:36:42 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000900)={[{@device={'device', 0x3d, './file0'}}]}) [ 59.690784][ T8391] IPVS: ftp: loaded support on port[0] = 21 [ 59.725546][ T8387] chnl_net:caif_netlink_parms(): no params data found [ 59.762469][ T8383] team0: Port device team_slave_0 added [ 59.794863][ T8383] team0: Port device team_slave_1 added [ 59.860824][ T8387] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.868643][ T8387] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.876413][ T8387] device bridge_slave_0 entered promiscuous mode [ 59.953496][ T8383] device hsr_slave_0 entered promiscuous mode [ 60.001796][ T8383] device hsr_slave_1 entered promiscuous mode [ 60.041600][ T8383] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.049435][ T8383] Cannot create hsr debugfs directory [ 60.056228][ T8387] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.063507][ T8387] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.071464][ T8387] device bridge_slave_1 entered promiscuous mode [ 60.093945][ T8388] chnl_net:caif_netlink_parms(): no params data found [ 60.120193][ T8394] IPVS: ftp: loaded support on port[0] = 21 [ 60.158314][ T8387] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.224940][ T8380] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.275644][ T8380] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.354264][ T8387] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.379143][ T8391] chnl_net:caif_netlink_parms(): no params data found [ 60.399725][ T8380] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.474735][ T8388] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.482061][ T8388] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.489663][ T8388] device bridge_slave_0 entered promiscuous mode [ 60.499719][ T8387] team0: Port device team_slave_0 added [ 60.508020][ T8387] team0: Port device team_slave_1 added [ 60.534747][ T8380] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.593289][ T8388] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.600377][ T8388] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.609123][ T8388] device bridge_slave_1 entered promiscuous mode [ 60.630404][ T8388] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.684495][ T8388] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.699957][ T8383] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.753710][ T8383] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.834480][ T8387] device hsr_slave_0 entered promiscuous mode [ 60.881909][ T8387] device hsr_slave_1 entered promiscuous mode [ 60.922699][ T8387] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.930292][ T8387] Cannot create hsr debugfs directory [ 60.936481][ T8391] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.943643][ T8391] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.951436][ T8391] device bridge_slave_0 entered promiscuous mode [ 60.959347][ T8391] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.966484][ T8391] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.974404][ T8391] device bridge_slave_1 entered promiscuous mode [ 60.990672][ T8383] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.054505][ T8383] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.123981][ T8388] team0: Port device team_slave_0 added [ 61.146405][ T8388] team0: Port device team_slave_1 added [ 61.171250][ T8391] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.207265][ T8391] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.284229][ T8388] device hsr_slave_0 entered promiscuous mode [ 61.322521][ T8388] device hsr_slave_1 entered promiscuous mode [ 61.361568][ T8388] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.369504][ T8388] Cannot create hsr debugfs directory [ 61.390369][ T8391] team0: Port device team_slave_0 added [ 61.414831][ T8394] chnl_net:caif_netlink_parms(): no params data found [ 61.443965][ T8391] team0: Port device team_slave_1 added [ 61.474538][ T8394] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.481804][ T8394] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.489944][ T8394] device bridge_slave_0 entered promiscuous mode [ 61.516006][ T8394] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.524035][ T8394] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.534783][ T8394] device bridge_slave_1 entered promiscuous mode [ 61.589323][ T8394] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.634033][ T8391] device hsr_slave_0 entered promiscuous mode [ 61.681825][ T8391] device hsr_slave_1 entered promiscuous mode [ 61.731509][ T8391] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.739192][ T8391] Cannot create hsr debugfs directory [ 61.757831][ T8394] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.778669][ T8380] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.830815][ T8394] team0: Port device team_slave_0 added [ 61.843208][ T8388] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.885812][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.894570][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.913322][ T8394] team0: Port device team_slave_1 added [ 61.919881][ T8388] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.983791][ T8388] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.027093][ T8387] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.084225][ T8380] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.091079][ T8387] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.135055][ T8383] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.143840][ T8388] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.207969][ T8387] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.255762][ T8387] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.313246][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.322250][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.330668][ T2720] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.337882][ T2720] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.346131][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.354194][ T2720] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.414380][ T8394] device hsr_slave_0 entered promiscuous mode [ 62.451918][ T8394] device hsr_slave_1 entered promiscuous mode [ 62.491964][ T8394] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.499642][ T8394] Cannot create hsr debugfs directory [ 62.511225][ T8383] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.520953][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.529322][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.539291][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.548827][ T3120] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.556168][ T3120] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.565444][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.574062][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.611874][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.621073][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.644769][ T8391] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.685503][ T8391] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.723909][ T8391] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.763947][ T8391] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.813712][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.822104][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.830727][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.839206][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.846266][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.854824][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.863673][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.873376][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.881456][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.889917][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.898598][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.905694][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.930201][ T8380] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.944647][ T8380] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.977454][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.986506][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.995833][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.006094][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.015060][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.060120][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.067929][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.068586][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.091203][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.100124][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.125737][ T8394] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.164851][ T8394] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.213235][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.222602][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.249182][ T8387] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.259788][ T8394] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.288502][ T8394] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.343706][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.352664][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.360759][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.369279][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.377648][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.385803][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.394490][ T8383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.414617][ T8380] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.434996][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.442920][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.454502][ T8387] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.482284][ T8388] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.497959][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.508061][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.517492][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.525487][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.553426][ T8383] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.565152][ T8388] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.573110][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.581279][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.590097][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.598973][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.607387][ T2669] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.614661][ T2669] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.623123][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.631708][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.639166][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.647952][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.656391][ T2669] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.663463][ T2669] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.670936][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.680141][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.688072][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.695986][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.725955][ T8380] device veth0_vlan entered promiscuous mode [ 63.737355][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.746564][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.755830][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.764352][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.773810][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.782403][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.790559][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.799043][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.817421][ T8387] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.828773][ T8387] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.841917][ T8380] device veth1_vlan entered promiscuous mode [ 63.861749][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.870072][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.879014][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.888206][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.896717][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.905432][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.914434][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.921544][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.929504][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.947080][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.956849][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.966775][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.975849][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.985990][ T2733] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.993105][ T2733] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.013801][ T8391] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.056007][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.066353][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.076676][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.093860][ T8387] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.113049][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.121133][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.130139][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.139179][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.153881][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.169594][ T8391] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.190663][ T8383] device veth0_vlan entered promiscuous mode [ 64.211462][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.219486][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.230636][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.239803][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.250019][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.259268][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.269683][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.278952][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.289130][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.298377][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.307546][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 169.321347][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.328222][ C0] rcu: 0-...!: (1 GPs behind) idle=ae2/1/0x4000000000000002 softirq=12634/12635 fqs=3 [ 169.338114][ C0] (t=10501 jiffies g=6513 q=282) [ 169.343170][ C0] rcu: rcu_preempt kthread starved for 10496 jiffies! g6513 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 169.354253][ C0] rcu: RCU grace-period kthread stack dump: [ 169.360237][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 169.368128][ C0] Call Trace: [ 169.371501][ C0] __schedule+0x9a0/0xcc0 [ 169.375853][ C0] schedule+0x181/0x210 [ 169.380188][ C0] schedule_timeout+0x14f/0x240 [ 169.385058][ C0] ? run_local_timers+0x120/0x120 [ 169.390084][ C0] rcu_gp_kthread+0xed8/0x1770 [ 169.394854][ C0] kthread+0x332/0x350 [ 169.398919][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 169.404038][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.408705][ C0] ret_from_fork+0x24/0x30 [ 169.413157][ C0] NMI backtrace for cpu 0 [ 169.417485][ C0] CPU: 0 PID: 3120 Comm: kworker/0:84 Not tainted 5.5.0-rc5-syzkaller #0 [ 169.425888][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.436053][ C0] Workqueue: 0x0 (memcg_kmem_cache) [ 169.441339][ C0] Call Trace: [ 169.444703][ C0] [ 169.447564][ C0] dump_stack+0x1fb/0x318 [ 169.451902][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.456772][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.463041][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.469126][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.475102][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.480983][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.486088][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.491368][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.496381][ C0] update_process_times+0x12d/0x180 [ 169.501675][ C0] tick_sched_timer+0x263/0x420 [ 169.506513][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.512050][ C0] __hrtimer_run_queues+0x403/0x840 [ 169.517257][ C0] hrtimer_interrupt+0x38c/0xda0 [ 169.522209][ C0] ? debug_smp_processor_id+0x9/0x20 [ 169.527613][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 169.533259][ C0] apic_timer_interrupt+0xf/0x20 [ 169.538209][ C0] [ 169.541165][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 169.547026][ C0] Code: 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 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 169.566629][ C0] RSP: 0018:ffffc9000846fc30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.575048][ C0] RAX: ffffffff814897d3 RBX: ffff888093b57708 RCX: ffff88809e352040 [ 169.583015][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002553a40 [ 169.592540][ C0] RBP: ffffc9000846fc68 R08: 000000000003a728 R09: ffffed1011687f01 [ 169.600503][ C0] R10: ffffed1011687f01 R11: 0000000000000000 R12: ffff888093b577a0 [ 169.608565][ C0] R13: dffffc0000000000 R14: 1ffff1101276aef4 R15: ffff88808b43f7f8 [ 169.616563][ C0] ? mod_memcg_page_state+0x123/0x190 [ 169.621983][ C0] put_task_stack+0xa3/0x130 [ 169.626729][ C0] finish_task_switch+0x3f1/0x550 [ 169.631889][ C0] __schedule+0x9a8/0xcc0 [ 169.636378][ C0] schedule+0x181/0x210 [ 169.640568][ C0] worker_thread+0x10d6/0x1630 [ 169.645397][ C0] kthread+0x332/0x350 [ 169.649462][ C0] ? rcu_lock_release+0x30/0x30 [ 169.654493][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.659098][ C0] ret_from_fork+0x24/0x30