[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.558908][ T23] audit: type=1800 audit(1578474901.710:25): pid=8227 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.598052][ T23] audit: type=1800 audit(1578474901.710:26): pid=8227 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.622436][ T23] audit: type=1800 audit(1578474901.710:27): pid=8227 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 '10.128.0.74' (ECDSA) to the list of known hosts. 2020/01/08 09:15:10 fuzzer started 2020/01/08 09:15:12 dialing manager at 10.128.0.26:35703 2020/01/08 09:15:12 syscalls: 2824 2020/01/08 09:15:12 code coverage: enabled 2020/01/08 09:15:12 comparison tracing: enabled 2020/01/08 09:15:12 extra coverage: enabled 2020/01/08 09:15:12 setuid sandbox: enabled 2020/01/08 09:15:12 namespace sandbox: enabled 2020/01/08 09:15:12 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:15:12 fault injection: enabled 2020/01/08 09:15:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:15:12 net packet injection: enabled 2020/01/08 09:15:12 net device setup: enabled 2020/01/08 09:15:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:15:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:15:13 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x11, 0x800000003, 0x0) bind(r1, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r1, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000140)=0x14) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000340)=ANY=[@ANYBLOB="280000001e00010000f9ff000000000007000000", @ANYRES32=r2, @ANYBLOB="000002000a000200ffffffffffff523c7cee61e2fa21727600000000000004ec36771e033c8d28b407440ec2021503d47febeb5602d000c02896c0455b7c297708ff3dbf4c129bc3039a8523a55486a436873312bec79e3f0bd982e93eba512e1ba1214ec19e325737104b25d3d51945497d194db9d4ba4c458843530ea5e80a386143fc07b509d589ac71ea612235adcbcd6f8f8194f181ec4ce405209fd8850c34edbc6d10d5fdbe2bff7a797e202ccaa2d2c7e516022a7599"], 0x28}}, 0x0) 09:15:13 executing program 1: openat$null(0xffffffffffffff9c, &(0x7f0000000240)='/dev/null\x00', 0x0, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x83, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @local}]}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, 0x0) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1b, &(0x7f0000000100)={r2}, &(0x7f0000000140)=0x14) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$SG_GET_SG_TABLESIZE(0xffffffffffffffff, 0x227f, &(0x7f0000000040)) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_REGS(r5, 0x4090ae82, &(0x7f00000001c0)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000fb], 0x0, 0x205211}) ioctl$KVM_SET_IRQCHIP(r4, 0x8208ae63, &(0x7f0000000300)={0x0, 0x0, @pic={0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) syzkaller login: [ 57.146210][ T8391] IPVS: ftp: loaded support on port[0] = 21 [ 57.284087][ T8391] chnl_net:caif_netlink_parms(): no params data found [ 57.334484][ T8391] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.343694][ T8391] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.351959][ T8391] device bridge_slave_0 entered promiscuous mode [ 57.362111][ T8391] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.369726][ T8391] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.377598][ T8391] device bridge_slave_1 entered promiscuous mode [ 57.400713][ T8391] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.420209][ T8391] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.434789][ T8395] IPVS: ftp: loaded support on port[0] = 21 09:15:13 executing program 2: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x7, 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, 0x0, 0x8, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) listen(0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) accept$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000080)=@newlink={0x44, 0x10, 0x401, 0x0, 0x8100, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x24, 0x12, @bridge_slave={{0x14, 0x1, 'bridge_slave\x00'}, {0xc, 0x5, [@IFLA_BRPORT_COST={0x8, 0x3, 0x3f}]}}}]}, 0x44}}, 0x0) clone(0x1fe, 0x0, 0xfffffffffffffffe, &(0x7f0000000280), 0xffffffffffffffff) [ 57.449534][ T8391] team0: Port device team_slave_0 added [ 57.457078][ T8391] team0: Port device team_slave_1 added [ 57.570496][ T8391] device hsr_slave_0 entered promiscuous mode [ 57.608134][ T8391] device hsr_slave_1 entered promiscuous mode 09:15:13 executing program 3: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = io_uring_setup(0x65, &(0x7f0000000080)) io_uring_enter(r0, 0x2, 0x3, 0x0, 0x0, 0x0) [ 57.687149][ T8397] IPVS: ftp: loaded support on port[0] = 21 [ 57.887180][ T8391] netdevsim netdevsim0 netdevsim0: renamed from eth0 09:15:14 executing program 4: openat$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$null(0xffffffffffffff9c, &(0x7f0000000440)='/dev/null\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(0xffffffffffffffff, 0x40485404, &(0x7f0000000780)={{0x0, 0x28b6bdce62c55b99, 0x0, 0x1}, 0x0, 0x80000001}) setsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000480)={0x0, @rand_addr, @dev}, 0x139) ioctl$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$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0xfb, 0x0, 0x0, 0x0, 0x400000000000000]}) socket$unix(0x1, 0x1, 0x0) ioctl$VIDIOC_S_DV_TIMINGS(0xffffffffffffffff, 0xc0845657, &(0x7f0000000640)={0x0, @bt={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x81, 0x3, 0x0, 0x5, 0x10000, 0x0, 0x8001}}) ioctl$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$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 57.947436][ T8400] IPVS: ftp: loaded support on port[0] = 21 [ 57.956046][ T8391] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.979816][ T8395] chnl_net:caif_netlink_parms(): no params data found [ 58.026494][ T8391] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.105807][ T8391] netdevsim netdevsim0 netdevsim3: renamed from eth3 09:15:14 executing program 5: r0 = syz_open_dev$video(&(0x7f0000000140)='/dev/video#\x00', 0x77ff, 0x0) ioctl$VIDIOC_DV_TIMINGS_CAP(r0, 0xc0905664, &(0x7f00000002c0)={0x0, 0x0, [], @raw_data}) [ 58.194920][ T8397] chnl_net:caif_netlink_parms(): no params data found [ 58.213282][ T8403] IPVS: ftp: loaded support on port[0] = 21 [ 58.267104][ T8395] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.275534][ T8395] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.285378][ T8395] device bridge_slave_0 entered promiscuous mode [ 58.304490][ T8391] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.311667][ T8391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.319444][ T8391] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.326519][ T8391] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.342359][ T8395] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.353192][ T8395] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.361332][ T8395] device bridge_slave_1 entered promiscuous mode [ 58.384198][ T8395] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.396283][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.404368][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.437438][ T8397] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.444768][ T8405] IPVS: ftp: loaded support on port[0] = 21 [ 58.453615][ T8397] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.461369][ T8397] device bridge_slave_0 entered promiscuous mode [ 58.471532][ T8395] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.493305][ T8395] team0: Port device team_slave_0 added [ 58.504017][ T8397] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.511682][ T8397] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.519610][ T8397] device bridge_slave_1 entered promiscuous mode [ 58.538943][ T8397] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.550434][ T8397] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.565520][ T8395] team0: Port device team_slave_1 added [ 58.629505][ T8395] device hsr_slave_0 entered promiscuous mode [ 58.678415][ T8395] device hsr_slave_1 entered promiscuous mode [ 58.718088][ T8395] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.726087][ T8395] Cannot create hsr debugfs directory [ 58.770143][ T8397] team0: Port device team_slave_0 added [ 58.810235][ T8397] team0: Port device team_slave_1 added [ 58.877351][ T8391] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.887486][ T8400] chnl_net:caif_netlink_parms(): no params data found [ 58.908872][ T8403] chnl_net:caif_netlink_parms(): no params data found [ 59.001444][ T8397] device hsr_slave_0 entered promiscuous mode [ 59.049094][ T8397] device hsr_slave_1 entered promiscuous mode [ 59.087881][ T8397] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.095470][ T8397] Cannot create hsr debugfs directory [ 59.114923][ T8400] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.122308][ T8400] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.130063][ T8400] device bridge_slave_0 entered promiscuous mode [ 59.138796][ T8400] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.145865][ T8400] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.153529][ T8400] device bridge_slave_1 entered promiscuous mode [ 59.181275][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.188418][ T8403] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.196143][ T8403] device bridge_slave_0 entered promiscuous mode [ 59.209042][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.217221][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.227312][ T8391] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.247096][ T8395] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.281162][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.291394][ T8403] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.299328][ T8403] device bridge_slave_1 entered promiscuous mode [ 59.317896][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.326650][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.335759][ T2843] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.342859][ T2843] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.351975][ T8400] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.363477][ T8395] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.451535][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.460605][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.469331][ T2843] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.476372][ T2843] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.485575][ T8400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.505400][ T8395] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.542367][ T8395] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.600896][ T8403] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.640172][ T8400] team0: Port device team_slave_0 added [ 59.646000][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 59.672858][ T8403] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.704143][ T8400] team0: Port device team_slave_1 added [ 59.712032][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.735729][ T8403] team0: Port device team_slave_0 added [ 59.821168][ T8400] device hsr_slave_0 entered promiscuous mode [ 59.858390][ T8400] device hsr_slave_1 entered promiscuous mode [ 59.897967][ T8400] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.905552][ T8400] Cannot create hsr debugfs directory [ 59.913081][ T8403] team0: Port device team_slave_1 added [ 59.930147][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.937233][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.945251][ T8405] device bridge_slave_0 entered promiscuous mode [ 59.954732][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.962310][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.970487][ T8405] device bridge_slave_1 entered promiscuous mode [ 59.988908][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.081324][ T8403] device hsr_slave_0 entered promiscuous mode [ 60.118278][ T8403] device hsr_slave_1 entered promiscuous mode [ 60.158184][ T8403] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.165747][ T8403] Cannot create hsr debugfs directory [ 60.173068][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.189734][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.236492][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.245272][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.253961][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.262675][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.271512][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.279971][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.297400][ T8405] team0: Port device team_slave_0 added [ 60.306007][ T8405] team0: Port device team_slave_1 added [ 60.311906][ T8397] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.352362][ T8397] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.402163][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.410792][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.419393][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.441313][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.455469][ T8397] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.550780][ T8405] device hsr_slave_0 entered promiscuous mode [ 60.590882][ T8405] device hsr_slave_1 entered promiscuous mode [ 60.668182][ T8405] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.675883][ T8405] Cannot create hsr debugfs directory [ 60.695851][ T8397] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.793112][ T8395] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.818368][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.825816][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.885670][ T8400] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.922464][ T8400] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.981122][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.990784][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.000637][ T8391] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.014052][ T8395] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.031117][ T8400] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.070802][ T8403] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.100113][ T8405] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.141196][ T8405] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.200893][ T8405] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.249601][ T8400] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.280202][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.288931][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.297170][ T2668] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.304256][ T2668] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.313332][ T8403] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.377184][ T8403] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.430641][ T8405] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.494286][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.502480][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.511451][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.530480][ T8403] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.595930][ T8397] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.612390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.621267][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.630018][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.637051][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.644771][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.654267][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.662832][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.689236][ T8391] device veth0_vlan entered promiscuous mode [ 61.703587][ T8397] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.711699][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.719698][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.727248][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.735775][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.744162][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.752479][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.760663][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.776913][ T8395] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.787570][ T8395] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.804906][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.813508][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.822423][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.830844][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.839590][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.847891][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.856098][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.865925][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.876877][ T8391] device veth1_vlan entered promiscuous mode [ 61.913399][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.925749][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.934653][ T2668] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.941737][ T2668] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.949440][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.956838][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.964611][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.973299][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.981642][ T2668] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.988730][ T2668] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.998333][ T8395] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.005368][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.029226][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.053005][ T8400] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.082375][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.092047][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.101034][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.110195][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.143772][ T8397] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.154655][ T8397] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.172166][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.181873][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.191007][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.206650][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.215259][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.224049][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.232546][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.241700][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.249935][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.261506][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.278333][ T3974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.298538][ T3974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.311704][ T8400] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.350654][ T8397] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.390082][ T8397] device veth0_vlan entered promiscuous mode [ 62.402910][ T8397] device veth1_vlan entered promiscuous mode [ 62.436232][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.484525][ T8405] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.495001][ T8405] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.531244][ T8405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 167.317735][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.324555][ C0] rcu: 0-...!: (1 GPs behind) idle=d6e/1/0x4000000000000002 softirq=12198/12202 fqs=9 [ 167.334432][ C0] (t=10500 jiffies g=6721 q=624) [ 167.339445][ C0] rcu: rcu_preempt kthread starved for 10479 jiffies! g6721 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.350525][ C0] rcu: RCU grace-period kthread stack dump: [ 167.356487][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.364891][ C0] Call Trace: [ 167.368183][ C0] __schedule+0x9a0/0xcc0 [ 167.372512][ C0] schedule+0x181/0x210 [ 167.376657][ C0] schedule_timeout+0x14f/0x240 [ 167.381496][ C0] ? run_local_timers+0x120/0x120 [ 167.386609][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.391369][ C0] kthread+0x332/0x350 [ 167.395423][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.400556][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.405172][ C0] ret_from_fork+0x24/0x30 [ 167.409723][ C0] NMI backtrace for cpu 0 [ 167.414066][ C0] CPU: 0 PID: 8089 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 167.421857][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.431921][ C0] Call Trace: [ 167.435196][ C0] [ 167.438057][ C0] dump_stack+0x1fb/0x318 [ 167.442379][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.447215][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.453365][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.459597][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.465567][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.471447][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.476553][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.481754][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.486768][ C0] update_process_times+0x12d/0x180 [ 167.491956][ C0] tick_sched_timer+0x263/0x420 [ 167.496792][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.502324][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.507542][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.512484][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.517762][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.523296][ C0] apic_timer_interrupt+0xf/0x20 [ 167.528219][ C0] [ 167.531152][ C0] RIP: 0010:__memcg_kmem_uncharge+0x1/0x1a0 [ 167.537036][ C0] Code: eb 1b 83 3d 20 bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 [ 167.558102][ C0] RSP: 0018:ffffc90006d67b00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.566522][ C0] RAX: ffffffff81489244 RBX: ffffea0002888ec0 RCX: ffff8880a72082c0 [ 167.574500][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002888ec0 [ 167.582460][ C0] RBP: ffffc90006d67b48 R08: dffffc0000000000 R09: fffffbfff124248a [ 167.590767][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880939508a0 [ 167.598726][ C0] R13: dffffc0000000000 R14: 1ffff1101272a114 R15: ffff8880913d57b8 [ 167.606700][ C0] ? free_thread_stack+0x124/0x590 [ 167.611804][ C0] ? free_thread_stack+0x12e/0x590 [ 167.616906][ C0] put_task_stack+0xa3/0x130 [ 167.621483][ C0] finish_task_switch+0x3f1/0x550 [ 167.626509][ C0] __schedule+0x9a8/0xcc0 [ 167.630833][ C0] schedule+0x181/0x210 [ 167.634979][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 167.641052][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 167.646851][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 167.652212][ C0] ep_poll+0xa4d/0xe80 [ 167.656281][ C0] ? do_task_dead+0xc0/0xc0 [ 167.660772][ C0] ? __kasan_check_read+0x11/0x20 [ 167.665798][ C0] do_epoll_wait+0x1ee/0x260 [ 167.670378][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 167.675391][ C0] do_syscall_64+0xf7/0x1c0 [ 167.679883][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.685764][ C0] RIP: 0033:0x7f01127fe943 [ 167.690427][ 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 [ 167.710015][ C0] RSP: 002b:00007fff06c24958 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 167.718512][ C0] RAX: ffffffffffffffda RBX: 0000000002024250 RCX: 00007f01127fe943 [ 167.727099][ C0] RDX: 0000000000000004 RSI: 00007fff06c24a20 RDI: 0000000000000007 [ 167.735064][ C0] RBP: 0000000000625500 R08: 00007fff06c24940 R09: 00007fff06c450b8 [ 167.743984][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 0000000002036250 [ 167.751958][ C0] R13: 00007fff06c25a77 R14: 0000000000000005 R15: 0000000002024250