[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.608928][ T27] audit: type=1800 audit(1578484501.363:25): pid=8333 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.640911][ T27] audit: type=1800 audit(1578484501.373:26): pid=8333 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.684081][ T27] audit: type=1800 audit(1578484501.373:27): pid=8333 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 '10.128.1.27' (ECDSA) to the list of known hosts. 2020/01/08 11:55:13 fuzzer started 2020/01/08 11:55:15 dialing manager at 10.128.0.26:35703 2020/01/08 11:55:15 syscalls: 2824 2020/01/08 11:55:15 code coverage: enabled 2020/01/08 11:55:15 comparison tracing: enabled 2020/01/08 11:55:15 extra coverage: enabled 2020/01/08 11:55:15 setuid sandbox: enabled 2020/01/08 11:55:15 namespace sandbox: enabled 2020/01/08 11:55:15 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 11:55:15 fault injection: enabled 2020/01/08 11:55:15 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 11:55:15 net packet injection: enabled 2020/01/08 11:55:15 net device setup: enabled 2020/01/08 11:55:15 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 11:55:15 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:55:16 executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) statx(0xffffffffffffffff, 0x0, 0x2400, 0x0, 0x0) 11:55:16 executing program 1: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000180)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x24, 0x24, 0x2, [@struct={0x0, 0x1, 0x0, 0x5, 0x1, 0x0, [{0x0, 0x2, 0x20000000}]}, @ptr]}}, &(0x7f0000000240)=""/245, 0x3e, 0xf5, 0x1}, 0x20) syzkaller login: [ 65.099521][ T8500] IPVS: ftp: loaded support on port[0] = 21 11:55:16 executing program 2: mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x0, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='rpc_pipefs\x00', 0x0, 0x0) [ 65.200511][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 65.306999][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 65.429395][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.440528][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.450557][ T8500] device bridge_slave_0 entered promiscuous mode 11:55:17 executing program 3: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvme-fabrics\x00', 0x0, 0x0) preadv(r0, &(0x7f0000000580)=[{&(0x7f0000000040)=""/151, 0x97}], 0x1, 0x8001) [ 65.474292][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.481731][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.489643][ T8500] device bridge_slave_1 entered promiscuous mode [ 65.498853][ T8506] IPVS: ftp: loaded support on port[0] = 21 [ 65.523801][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.541439][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 65.561124][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.641830][ T8500] team0: Port device team_slave_0 added [ 65.650473][ T8500] team0: Port device team_slave_1 added [ 65.714249][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.722381][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.730373][ T8502] device bridge_slave_0 entered promiscuous mode 11:55:17 executing program 4: r0 = socket$inet6(0xa, 0x400000000001, 0x0) r1 = dup(r0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendto$inet6(r1, 0x0, 0x0, 0x20000008, &(0x7f0000000100)={0xa, 0x4e20, 0x0, @empty}, 0x1c) sendmsg$TIPC_NL_PEER_REMOVE(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000540)=ANY=[@ANYBLOB], 0x1}}, 0x4c080) setsockopt$inet_tcp_int(r1, 0x6, 0x19, &(0x7f0000000000)=0x1, 0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write$P9_RREADDIR(r1, &(0x7f0000000280)=ANY=[@ANYBLOB="ac"], 0x1) [ 65.834235][ T8500] device hsr_slave_0 entered promiscuous mode [ 65.881093][ T8500] device hsr_slave_1 entered promiscuous mode [ 65.939069][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.947128][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.956995][ T8502] device bridge_slave_1 entered promiscuous mode [ 65.983760][ T8510] IPVS: ftp: loaded support on port[0] = 21 [ 65.997675][ T8508] IPVS: ftp: loaded support on port[0] = 21 11:55:17 executing program 5: mount(0x0, 0x0, 0x0, 0x100000, 0x0) unshare(0x200) r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000480)='ns/mnt\x00') setns(r0, 0x0) clone(0x70024100, 0x0, 0x0, 0x0, 0x0) [ 66.040024][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.105284][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.159641][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 66.208393][ T8513] IPVS: ftp: loaded support on port[0] = 21 [ 66.212708][ T8502] team0: Port device team_slave_0 added [ 66.226113][ T8502] team0: Port device team_slave_1 added [ 66.323472][ T8502] device hsr_slave_0 entered promiscuous mode [ 66.371398][ T8502] device hsr_slave_1 entered promiscuous mode [ 66.410983][ T8502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.418712][ T8502] Cannot create hsr debugfs directory [ 66.438106][ T8500] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.495446][ T8500] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.562096][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.569202][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.577143][ T8506] device bridge_slave_0 entered promiscuous mode [ 66.586968][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.594240][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.602404][ T8506] device bridge_slave_1 entered promiscuous mode [ 66.613165][ T8500] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.726591][ T8508] chnl_net:caif_netlink_parms(): no params data found [ 66.735724][ T8500] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.786858][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.844702][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.874613][ T8506] team0: Port device team_slave_0 added [ 66.885856][ T8506] team0: Port device team_slave_1 added [ 66.901573][ T8510] chnl_net:caif_netlink_parms(): no params data found [ 66.918382][ T8508] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.925610][ T8508] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.933626][ T8508] device bridge_slave_0 entered promiscuous mode [ 66.965526][ T8508] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.972773][ T8508] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.981094][ T8508] device bridge_slave_1 entered promiscuous mode [ 67.063516][ T8506] device hsr_slave_0 entered promiscuous mode [ 67.101253][ T8506] device hsr_slave_1 entered promiscuous mode [ 67.140996][ T8506] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.148804][ T8506] Cannot create hsr debugfs directory [ 67.158945][ T8508] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.211778][ T8508] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.233412][ T8502] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.297106][ T8502] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.359070][ T8502] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.434400][ T8510] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.442252][ T8510] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.449825][ T8510] device bridge_slave_0 entered promiscuous mode [ 67.458837][ T8510] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.466466][ T8510] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.474854][ T8510] device bridge_slave_1 entered promiscuous mode [ 67.486989][ T8502] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.524411][ T8508] team0: Port device team_slave_0 added [ 67.550564][ T8510] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.563908][ T8508] team0: Port device team_slave_1 added [ 67.576665][ T8513] chnl_net:caif_netlink_parms(): no params data found [ 67.597079][ T8510] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.619188][ T8510] team0: Port device team_slave_0 added [ 67.664045][ T8508] device hsr_slave_0 entered promiscuous mode [ 67.701233][ T8508] device hsr_slave_1 entered promiscuous mode [ 67.740974][ T8508] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.748558][ T8508] Cannot create hsr debugfs directory [ 67.761860][ T8510] team0: Port device team_slave_1 added [ 67.863815][ T8510] device hsr_slave_0 entered promiscuous mode [ 67.923981][ T8510] device hsr_slave_1 entered promiscuous mode [ 67.961108][ T8510] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.973100][ T8510] Cannot create hsr debugfs directory [ 67.997219][ T8506] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.043382][ T8506] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.102857][ T8506] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.156440][ T8506] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.242547][ T8513] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.249830][ T8513] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.257779][ T8513] device bridge_slave_0 entered promiscuous mode [ 68.266638][ T8513] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.273910][ T8513] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.282194][ T8513] device bridge_slave_1 entered promiscuous mode [ 68.307850][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.321192][ T8513] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.353402][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.362242][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.374743][ T8513] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.400040][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.431855][ T8513] team0: Port device team_slave_0 added [ 68.439734][ T8513] team0: Port device team_slave_1 added [ 68.450694][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.460091][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.469319][ T3004] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.477089][ T3004] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.485760][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.494970][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.503474][ T3004] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.512591][ T3004] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.521404][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.546646][ T8508] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.583099][ T8508] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.622636][ T8508] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.663606][ T8508] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.703494][ T3000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.724463][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.783988][ T8513] device hsr_slave_0 entered promiscuous mode [ 68.822084][ T8513] device hsr_slave_1 entered promiscuous mode [ 68.860984][ T8513] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.868599][ T8513] Cannot create hsr debugfs directory [ 68.895157][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.903684][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.913225][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.921997][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.930357][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.938968][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.947376][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.958425][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.996683][ T8500] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.010363][ T8500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.028169][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.037258][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.046299][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.055006][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.064037][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.073740][ T8510] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.133710][ T8510] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.193180][ T8510] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.232887][ T8510] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.336460][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.348654][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.358151][ T3007] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.365561][ T3007] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.373234][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.382046][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.390494][ T3007] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.397628][ T3007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.406324][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.416416][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.425866][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.437881][ T8508] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.460968][ T8513] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.508214][ T8500] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.529208][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.538631][ T8513] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.573236][ T8513] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.628036][ T8513] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.710859][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.728012][ T8506] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.748349][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.757449][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.767296][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.775669][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.784065][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.811283][ T8506] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.826452][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.835402][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.844637][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.852525][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.866485][ T8508] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.883021][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.893564][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.902732][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.911978][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.920279][ T2691] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.927437][ T2691] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.935681][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.945660][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.954371][ T2691] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.961497][ T2691] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.969304][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.978751][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.989656][ T8500] device veth0_vlan entered promiscuous mode [ 70.008163][ T8502] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.020201][ T8502] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.036961][ T8510] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.052622][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.061748][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.072545][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.083099][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.091993][ T3015] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.099111][ T3015] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.106979][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.116195][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.124992][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.133743][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.142935][ T3015] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.150102][ T3015] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.157874][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.166266][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.174536][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.184947][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.194583][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.202485][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.210082][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.218226][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.258407][ T8500] device veth1_vlan entered promiscuous mode [ 70.267046][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.275564][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.284955][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.293971][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.302035][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.309501][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.329729][ T8513] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.338993][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.349024][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.369543][ T8506] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.382153][ T8506] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.396065][ T8502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.410509][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.419099][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.428169][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.440308][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.449811][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.458759][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.467425][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.476126][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.485719][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.494144][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.502865][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.512124][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.522776][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.530400][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.543392][ T8510] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.559449][ T8513] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.589552][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.599279][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.617345][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.625312][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.634973][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.644103][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.653804][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.662513][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.671598][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.679254][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.691192][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.699560][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.711623][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.719256][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.732839][ T8502] device veth0_vlan entered promiscuous mode [ 70.760128][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.787013][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.796269][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.804819][ T2691] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.811919][ T2691] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.819733][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.829354][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.838943][ T2691] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.846050][ T2691] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.854260][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.863107][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.872077][ T2691] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.879126][ T2691] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.887005][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.896861][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.905625][ T2691] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.912743][ T2691] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.920635][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.929328][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.938645][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.948343][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.964462][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.973511][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.982017][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.990643][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.999754][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 175.820763][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.827591][ C0] rcu: 0-...!: (1 GPs behind) idle=936/1/0x4000000000000002 softirq=14378/14383 fqs=38 [ 175.837753][ C0] (t=10501 jiffies g=6613 q=265) [ 175.842791][ C0] rcu: rcu_preempt kthread starved for 10425 jiffies! g6613 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.854500][ C0] rcu: RCU grace-period kthread stack dump: [ 175.860390][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 175.869153][ C0] Call Trace: [ 175.872442][ C0] __schedule+0x9a0/0xcc0 [ 175.876859][ C0] schedule+0x181/0x210 [ 175.881093][ C0] schedule_timeout+0x14f/0x240 [ 175.885936][ C0] ? run_local_timers+0x120/0x120 [ 175.891045][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.895894][ C0] kthread+0x332/0x350 [ 175.899954][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.905055][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.909651][ C0] ret_from_fork+0x24/0x30 [ 175.914070][ C0] NMI backtrace for cpu 0 [ 175.918389][ C0] CPU: 0 PID: 8500 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.926957][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.937023][ C0] Call Trace: [ 175.940298][ C0] [ 175.943145][ C0] dump_stack+0x1fb/0x318 [ 175.947472][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.952315][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.958458][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.964520][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.970500][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.976382][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.981497][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.986688][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.991706][ C0] update_process_times+0x12d/0x180 [ 175.996898][ C0] tick_sched_timer+0x263/0x420 [ 176.001757][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.007381][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.012677][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.017629][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.023085][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.028625][ C0] apic_timer_interrupt+0xf/0x20 [ 176.033551][ C0] [ 176.036480][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 176.042193][ C0] Code: 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 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 176.061788][ C0] RSP: 0018:ffffc900022c7bd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.070192][ C0] RAX: 1ffff110116975c1 RBX: ffff88808b4bae08 RCX: ffff8880964a6480 [ 176.078158][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025e7080 [ 176.086142][ C0] RBP: ffffc900022c7c08 R08: 000000000003a728 R09: ffffed1014d59ad1 [ 176.094122][ C0] R10: ffffed1014d59ad1 R11: 0000000000000000 R12: ffff88808b4baea0 [ 176.102084][ C0] R13: dffffc0000000000 R14: 1ffff110116975d4 R15: ffff8880a6acd678 [ 176.110073][ C0] put_task_stack+0xa3/0x130 [ 176.114660][ C0] finish_task_switch+0x3f1/0x550 [ 176.119682][ C0] __schedule+0x9a8/0xcc0 [ 176.124014][ C0] schedule+0x181/0x210 [ 176.128165][ C0] do_nanosleep+0x1d0/0x6c0 [ 176.132671][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 176.137606][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 176.143410][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 176.148535][ C0] do_syscall_64+0xf7/0x1c0 [ 176.153034][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.158916][ C0] RIP: 0033:0x4593f0 [ 176.162816][ C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 176.182508][ C0] RSP: 002b:00007ffc9ae6fcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 176.190930][ C0] RAX: ffffffffffffffda RBX: 0000000000011463 RCX: 00000000004593f0 [ 176.198902][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc9ae6fcc0 [ 176.206879][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000002355940 [ 176.214855][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 176.223893][ C0] R13: 00007ffc9ae6fd10 R14: 0000000000011463 R15: 00007ffc9ae6fd20