[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.052568][ T26] audit: type=1800 audit(1578450085.082:25): pid=8324 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.071775][ T26] audit: type=1800 audit(1578450085.082:26): pid=8324 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.103827][ T26] audit: type=1800 audit(1578450085.082:27): pid=8324 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 '10.128.1.15' (ECDSA) to the list of known hosts. 2020/01/08 02:21:33 fuzzer started 2020/01/08 02:21:34 dialing manager at 10.128.0.26:35703 2020/01/08 02:21:34 syscalls: 2824 2020/01/08 02:21:34 code coverage: enabled 2020/01/08 02:21:34 comparison tracing: enabled 2020/01/08 02:21:34 extra coverage: enabled 2020/01/08 02:21:34 setuid sandbox: enabled 2020/01/08 02:21:34 namespace sandbox: enabled 2020/01/08 02:21:34 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:21:34 fault injection: enabled 2020/01/08 02:21:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:21:34 net packet injection: enabled 2020/01/08 02:21:34 net device setup: enabled 2020/01/08 02:21:34 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:21:34 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:21:35 executing program 0: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.stat\x00', 0x0, 0x0) ptrace$setsig(0x4203, 0x0, 0x0, &(0x7f00000002c0)={0x0, 0x1}) write(0xffffffffffffffff, &(0x7f0000000040)="0f42", 0x2) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000540)={{0x77359400}}, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) getsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000580)=""/143, &(0x7f0000000340)=0xfee5) openat$null(0xffffffffffffff9c, &(0x7f0000000440)='/dev/null\x00', 0x0, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000340), &(0x7f0000000380)=0x14) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(0xffffffffffffffff, 0x40485404, &(0x7f0000000780)={{0x2e7e2d19b2183440, 0x28b6bdce62c55b99, 0x0, 0x1}, 0x9, 0x80000001}) setsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000480)={0x0, @rand_addr, @dev={0xac, 0x14, 0x14, 0x20}}, 0x139) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000740)={0x3, 0x2, 0xf000, 0x1000, &(0x7f0000000000/0x1000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0xfb, 0x0, 0x0, 0x0, 0x400000000000000]}) r3 = socket$unix(0x1, 0x5, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$VIDIOC_S_DV_TIMINGS(0xffffffffffffffff, 0xc0845657, &(0x7f0000000640)={0x0, @bt={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x3, 0x5, 0x5, 0x10000, 0x0, 0x8001}}) ioctl$KVM_RUN(r2, 0xae80, 0x0) sendmsg$IPVS_CMD_DEL_DEST(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000004c0)=ANY=[@ANYRES16], 0x1}}, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_NMI(r2, 0xae9a) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-monitor\x00', 0x0, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:21:36 executing program 1: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000140)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_DEST={0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_DEST={0x18, 0x2, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@loopback}]}]}, 0x38}}, 0x0) r0 = socket(0x10, 0x2, 0xc) write(r0, &(0x7f0000594000)="1f0000000104ff00fd4354c007110000f305010008000100010423dcffdf00", 0x1f) write(r0, &(0x7f0000000140)="520000000104fffffd3b54c007110000f30501000b000200000000000200cf", 0x52) syzkaller login: [ 64.139865][ T8490] IPVS: ftp: loaded support on port[0] = 21 02:21:36 executing program 2: r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$EXT4_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000040)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000080)='./bus\x00', 0x0) lseek(r2, 0x7ffffc, 0x0) write$binfmt_elf64(r2, &(0x7f0000000000)=ANY=[@ANYRESDEC], 0xfd14) fallocate(r2, 0x100000003, 0x0, 0x28120001) lseek(r1, 0x7ffffc, 0x0) write$P9_RCREATE(r1, &(0x7f0000000340)={0x18}, 0x18) fallocate(r0, 0x100000003, 0x0, 0x28120001) [ 64.314084][ T8493] IPVS: ftp: loaded support on port[0] = 21 [ 64.325534][ T8490] chnl_net:caif_netlink_parms(): no params data found [ 64.451394][ T8490] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.466639][ T8490] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.476208][ T8490] device bridge_slave_0 entered promiscuous mode [ 64.506980][ T8490] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.518133][ T8490] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.526986][ T8490] device bridge_slave_1 entered promiscuous mode 02:21:36 executing program 3: r0 = io_uring_setup(0xb, &(0x7f0000000000)) io_uring_register$IORING_REGISTER_FILES(r0, 0x2, &(0x7f00000011c0)=[r0], 0x1) [ 64.560910][ T8490] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.578676][ T8490] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.616488][ T8493] chnl_net:caif_netlink_parms(): no params data found [ 64.632635][ T8496] IPVS: ftp: loaded support on port[0] = 21 [ 64.641726][ T8490] team0: Port device team_slave_0 added [ 64.668359][ T8490] team0: Port device team_slave_1 added 02:21:36 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000280)='cgroup.max.depth\x00', 0x2, 0x0) write$cgroup_int(r1, &(0x7f0000000000), 0x12) [ 64.860510][ T8490] device hsr_slave_0 entered promiscuous mode [ 64.927441][ T8490] device hsr_slave_1 entered promiscuous mode [ 65.004153][ T8493] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.012016][ T8500] IPVS: ftp: loaded support on port[0] = 21 [ 65.018041][ T8493] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.031578][ T8493] device bridge_slave_0 entered promiscuous mode 02:21:37 executing program 5: r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB="e5ffffff", @ANYRES32=0x0], &(0x7f00000000c0)=0xfe10) r2 = socket(0xa, 0x1, 0x0) close(r2) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000040)={r1}, &(0x7f0000000140)=0x8) sendmmsg$inet_sctp(r2, &(0x7f0000002cc0)=[{0x0, 0x0, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4}}], 0x20}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x72, &(0x7f0000000440), &(0x7f0000000380)=0xff15) [ 65.068429][ T8493] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.075895][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 65.084702][ T8493] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.106539][ T8493] device bridge_slave_1 entered promiscuous mode [ 65.201567][ T8496] chnl_net:caif_netlink_parms(): no params data found [ 65.239501][ T8493] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.251498][ T8493] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.268256][ T8505] IPVS: ftp: loaded support on port[0] = 21 [ 65.287965][ T8493] team0: Port device team_slave_0 added [ 65.317007][ T8493] team0: Port device team_slave_1 added [ 65.428144][ T8493] device hsr_slave_0 entered promiscuous mode [ 65.465925][ T8493] device hsr_slave_1 entered promiscuous mode [ 65.505535][ T8493] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.514163][ T8493] Cannot create hsr debugfs directory [ 65.532228][ T8490] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.595151][ T8496] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.602388][ T8496] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.610323][ T8496] device bridge_slave_0 entered promiscuous mode [ 65.618471][ T8496] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.625620][ T8496] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.633839][ T8496] device bridge_slave_1 entered promiscuous mode [ 65.653277][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 65.661800][ T8490] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.756705][ T8490] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.797912][ T8496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.823177][ T8490] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.867379][ T8496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.891524][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.899463][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.907263][ T8500] device bridge_slave_0 entered promiscuous mode [ 65.916172][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.923215][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.931108][ T8500] device bridge_slave_1 entered promiscuous mode [ 65.958666][ T8496] team0: Port device team_slave_0 added [ 65.977616][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.006427][ T8496] team0: Port device team_slave_1 added [ 66.020209][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.044605][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 66.100543][ T8500] team0: Port device team_slave_0 added [ 66.119338][ T8493] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.238031][ T8496] device hsr_slave_0 entered promiscuous mode [ 66.275728][ T8496] device hsr_slave_1 entered promiscuous mode [ 66.325510][ T8496] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.333089][ T8496] Cannot create hsr debugfs directory [ 66.351435][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.359263][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.367252][ T8502] device bridge_slave_0 entered promiscuous mode [ 66.375882][ T8500] team0: Port device team_slave_1 added [ 66.381694][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.388801][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.397080][ T8502] device bridge_slave_1 entered promiscuous mode [ 66.410083][ T8493] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.458077][ T8493] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.543605][ T8493] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.618691][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.678205][ T8500] device hsr_slave_0 entered promiscuous mode [ 66.715876][ T8500] device hsr_slave_1 entered promiscuous mode [ 66.755587][ T8500] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.763173][ T8500] Cannot create hsr debugfs directory [ 66.775691][ T8505] chnl_net:caif_netlink_parms(): no params data found [ 66.799158][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.845632][ T8502] team0: Port device team_slave_0 added [ 66.854866][ T8502] team0: Port device team_slave_1 added [ 66.909900][ T8505] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.917793][ T8505] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.925531][ T8505] device bridge_slave_0 entered promiscuous mode [ 66.997130][ T8502] device hsr_slave_0 entered promiscuous mode [ 67.046292][ T8502] device hsr_slave_1 entered promiscuous mode [ 67.095580][ T8502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.103179][ T8502] Cannot create hsr debugfs directory [ 67.116808][ T8505] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.124087][ T8505] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.132567][ T8505] device bridge_slave_1 entered promiscuous mode [ 67.151865][ T8505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.183242][ T8505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.223508][ T8496] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.287094][ T8496] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.360689][ T8490] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.373111][ T8505] team0: Port device team_slave_0 added [ 67.383435][ T8505] team0: Port device team_slave_1 added [ 67.389858][ T8496] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.481932][ T8496] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.557682][ T8505] device hsr_slave_0 entered promiscuous mode [ 67.595733][ T8505] device hsr_slave_1 entered promiscuous mode [ 67.645575][ T8505] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.653174][ T8505] Cannot create hsr debugfs directory [ 67.670993][ T8500] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.734325][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.742944][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.757998][ T8490] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.770264][ T8502] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.858312][ T8500] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.918585][ T8500] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.970810][ T8493] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.978186][ T8502] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.017589][ T8502] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.073365][ T8500] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.122320][ T8502] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.159353][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.167964][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.176679][ T3223] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.183939][ T3223] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.192777][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.230217][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.239182][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.247664][ T2725] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.254700][ T2725] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.262567][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.271053][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.287087][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.295809][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.304173][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.329565][ T8493] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.347315][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.355106][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.363037][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.372191][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.381614][ T8505] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.437739][ T8505] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.507441][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.516903][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.527528][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.536294][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.544869][ T2699] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.551962][ T2699] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.559613][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.568372][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.583544][ T2699] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.590605][ T2699] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.598420][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.607511][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.617237][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.653175][ T8505] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.717072][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.725997][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.734083][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.743219][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.752119][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.760733][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.771535][ T8490] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.783512][ T8505] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.822535][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.830631][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.838933][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.862416][ T8496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.878830][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.906810][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.913576][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.926283][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.934346][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.942843][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.953980][ T8493] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.969243][ T8490] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.982721][ T8496] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.993050][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.000978][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.032400][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.043384][ T8493] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.066893][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.074525][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.082613][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.091779][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.100279][ T2692] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.107372][ T2692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.116133][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.123606][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.131183][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.139785][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.149924][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.159048][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.168063][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.177946][ T2692] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.185182][ T2692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.207674][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.216842][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.225287][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.234354][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.242738][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.251762][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.260126][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.267467][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.275281][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.285168][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.293083][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.302623][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.333727][ T8490] device veth0_vlan entered promiscuous mode [ 69.350243][ T8490] device veth1_vlan entered promiscuous mode [ 69.360859][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.370806][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.379560][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.388477][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.397863][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.406443][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.414284][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.423028][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.431392][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.440196][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.448835][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.457425][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.469104][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.493135][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.501385][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.510199][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.518357][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.526500][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.535146][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.543571][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.552628][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.561190][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.568283][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.575995][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.585095][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.593855][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.602427][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.611270][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.619623][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.634213][ T8505] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.661374][ T8493] device veth0_vlan entered promiscuous mode [ 69.679448][ T8502] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.692706][ T8502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.704634][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.714390][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.723212][ T3223] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.730632][ T3223] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.738221][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.746898][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.754969][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.763761][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.772139][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.780442][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.788735][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.797156][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.807096][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.814778][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.827216][ T8496] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.855821][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.863663][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.894916][ T8493] device veth1_vlan entered promiscuous mode [ 69.959753][ T8511] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 69.989482][ T8496] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.009969][ T8502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 174.945346][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.953027][ C0] rcu: 0-...!: (1 GPs behind) idle=912/1/0x4000000000000002 softirq=14059/14060 fqs=4 [ 174.963298][ C0] (t=10501 jiffies g=6933 q=330) [ 174.968559][ C0] rcu: rcu_preempt kthread starved for 10493 jiffies! g6933 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.983564][ C0] rcu: RCU grace-period kthread stack dump: [ 174.991326][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.000155][ C0] Call Trace: [ 175.003903][ C0] __schedule+0x9a0/0xcc0 [ 175.008658][ C0] schedule+0x181/0x210 [ 175.013365][ C0] schedule_timeout+0x14f/0x240 [ 175.018456][ C0] ? run_local_timers+0x120/0x120 [ 175.024985][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.029793][ C0] kthread+0x332/0x350 [ 175.034283][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.040191][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.044789][ C0] ret_from_fork+0x24/0x30 [ 175.049401][ C0] NMI backtrace for cpu 0 [ 175.053730][ C0] CPU: 0 PID: 8460 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 175.061543][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.071692][ C0] Call Trace: [ 175.075197][ C0] [ 175.078142][ C0] dump_stack+0x1fb/0x318 [ 175.082501][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.087347][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.093502][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.099697][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.105683][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.111574][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.116937][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.122242][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.127315][ C0] update_process_times+0x12d/0x180 [ 175.132658][ C0] tick_sched_timer+0x263/0x420 [ 175.137577][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.143213][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.148431][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.153473][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.158795][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.164352][ C0] apic_timer_interrupt+0xf/0x20 [ 175.169283][ C0] [ 175.172222][ C0] RIP: 0010:free_thread_stack+0x182/0x590 [ 175.178148][ C0] Code: 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> c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 1b 94 6a 00 48 8b 1b [ 175.197754][ C0] RSP: 0018:ffffc90001c27b10 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 175.206257][ C0] RAX: ffff88809f973608 RBX: ffff88809f973608 RCX: ffff8880914e4500 [ 175.214366][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00027fa140 [ 175.222340][ C0] RBP: ffffc90001c27b48 R08: 000000000003a728 R09: fffffbfff124248a [ 175.230409][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809f9736a0 [ 175.238557][ C0] R13: dffffc0000000000 R14: 1ffff11013f2e6d4 R15: ffff8880a796f738 [ 175.246560][ C0] put_task_stack+0xa3/0x130 [ 175.251156][ C0] finish_task_switch+0x3f1/0x550 [ 175.256183][ C0] __schedule+0x9a8/0xcc0 [ 175.260521][ C0] schedule+0x181/0x210 [ 175.264791][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 175.270876][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 175.276779][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 175.282177][ C0] ep_poll+0xa4d/0xe80 [ 175.286264][ C0] ? do_task_dead+0xc0/0xc0 [ 175.290767][ C0] ? __kasan_check_read+0x11/0x20 [ 175.295952][ C0] do_epoll_wait+0x1ee/0x260 [ 175.300721][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 175.305942][ C0] do_syscall_64+0xf7/0x1c0 [ 175.310572][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.316925][ C0] RIP: 0033:0x7fd38354f943 [ 175.321800][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 175.342818][ C0] RSP: 002b:00007fffabae73e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 175.352193][ C0] RAX: ffffffffffffffda RBX: 000000000121b250 RCX: 00007fd38354f943 [ 175.360276][ C0] RDX: 0000000000000004 RSI: 00007fffabae74b0 RDI: 0000000000000007 [ 175.368744][ C0] RBP: 0000000000625500 R08: 00007fffabae73d0 R09: 00007fffabb9b0b8 [ 175.378210][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 000000000122bfe0 [ 175.386274][ C0] R13: 00007fffabae8507 R14: 0000000000000005 R15: 000000000121b250