[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.602948][ T26] audit: type=1800 audit(1578473937.978:25): pid=8260 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.622630][ T26] audit: type=1800 audit(1578473937.988:26): pid=8260 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.665520][ T26] audit: type=1800 audit(1578473937.988:27): pid=8260 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 '10.128.10.43' (ECDSA) to the list of known hosts. 2020/01/08 08:59:09 fuzzer started 2020/01/08 08:59:11 dialing manager at 10.128.0.26:35703 2020/01/08 08:59:11 syscalls: 2824 2020/01/08 08:59:11 code coverage: enabled 2020/01/08 08:59:11 comparison tracing: enabled 2020/01/08 08:59:11 extra coverage: enabled 2020/01/08 08:59:11 setuid sandbox: enabled 2020/01/08 08:59:11 namespace sandbox: enabled 2020/01/08 08:59:11 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:59:11 fault injection: enabled 2020/01/08 08:59:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:59:11 net packet injection: enabled 2020/01/08 08:59:11 net device setup: enabled 2020/01/08 08:59:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:59:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:59:12 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0xeb, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000200)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000300)={'\x00', 0x1132}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000001a00)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000080)={'\x00', 0x1132}) ioctl$TUNSETQUEUE(r1, 0x400454d9, &(0x7f0000000100)={'netdevsim0\x00', 0x400}) 08:59:13 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_nanosleep(0x2, 0x0, &(0x7f00000000c0)={0x0, 0x989680}, 0x0) timer_create(0x0, &(0x7f0000066000)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f00009b1ffc)) timer_settime(0x0, 0x0, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14}, &(0x7f0000000040)=0x0) timer_settime(r0, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) syzkaller login: [ 64.680304][ T8427] IPVS: ftp: loaded support on port[0] = 21 08:59:13 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f0000000440)=ANY=[@ANYBLOB="1f0000000000000000000040050000a90000e7fc4b83bbb6a23b4b6942b7871001000000000000002560b700ff"]) ioctl$KVM_SET_MSRS(0xffffffffffffffff, 0x4008ae89, 0x0) ioctl$KVM_SET_NESTED_STATE(r2, 0x4080aebf, &(0x7f0000000240)) setsockopt(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) [ 64.858915][ T8427] chnl_net:caif_netlink_parms(): no params data found [ 64.880760][ T8430] IPVS: ftp: loaded support on port[0] = 21 [ 64.916171][ T8427] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.923666][ T8427] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.931583][ T8427] device bridge_slave_0 entered promiscuous mode [ 64.942266][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.950190][ T8427] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.958032][ T8427] device bridge_slave_1 entered promiscuous mode [ 65.002368][ T8427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.026909][ T8427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.090327][ T8427] team0: Port device team_slave_0 added [ 65.117198][ T8427] team0: Port device team_slave_1 added [ 65.132720][ T8430] chnl_net:caif_netlink_parms(): no params data found 08:59:13 executing program 3: openat$tun(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/net/tun\x00', 0x0, 0x0) socket$kcm(0x10, 0x2, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000280)='cgroup.controllers\x00', 0x2761, 0xfffffff5) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f00000000c0)) openat$tun(0xffffffffffffff9c, &(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x0) socket$kcm(0xa, 0x6, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='cgroup.controllers\x00', 0x2761, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='cgroup.controllers\x00', 0x2761, 0x0) socketpair(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000c80)) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.stat\x00', 0x26e1, 0x0) socket$kcm(0x2, 0x1000000000000002, 0x0) socket$kcm(0x29, 0x2, 0x0) socket$kcm(0xa, 0x8000000001, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8946, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb1Y\xa9\xc8J,`\xd2\x98\x00\x00\x00 ') [ 65.239141][ T8427] device hsr_slave_0 entered promiscuous mode 08:59:13 executing program 4: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$kcm(r0, &(0x7f0000000080)={0x0, 0x1200, &(0x7f0000000040)=[{&(0x7f0000000000)="2e0000002c008151e00f80ecdb4cb904014865160b00010002410000000500130e00060000000001000000000300", 0x2e}], 0x1}, 0x0) [ 65.315653][ T8427] device hsr_slave_1 entered promiscuous mode [ 65.392944][ T8433] IPVS: ftp: loaded support on port[0] = 21 [ 65.453706][ T8435] IPVS: ftp: loaded support on port[0] = 21 [ 65.541590][ T8430] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.552842][ T8430] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.567852][ T8430] device bridge_slave_0 entered promiscuous mode [ 65.581191][ T8430] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.590012][ T8430] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.597941][ T8430] device bridge_slave_1 entered promiscuous mode 08:59:14 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000003c0)="2e0000002300817ee45de087185082cf0124b0eba06ec4a86e8f32e00586f9835b3f00009148790000f8de84c5e2", 0x2e}], 0x1}, 0x0) r1 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r1, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000003c0)="2e0000002300817ee45de087185082cf0124b0eba06ec4a86e8f32e00586f9835b3f00009148790000f8de84c5e2", 0x2e}], 0x1}, 0x0) [ 65.633545][ T8437] IPVS: ftp: loaded support on port[0] = 21 [ 65.673432][ T8430] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.697434][ T8430] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.791653][ T8430] team0: Port device team_slave_0 added [ 65.828972][ T8427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.859511][ T8427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.917942][ T8430] team0: Port device team_slave_1 added [ 65.923670][ T8427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.967027][ T8427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.034118][ T8433] chnl_net:caif_netlink_parms(): no params data found [ 66.094965][ T8435] chnl_net:caif_netlink_parms(): no params data found [ 66.127908][ T8430] device hsr_slave_0 entered promiscuous mode [ 66.185668][ T8430] device hsr_slave_1 entered promiscuous mode [ 66.255441][ T8430] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.263116][ T8430] Cannot create hsr debugfs directory [ 66.273548][ T8439] IPVS: ftp: loaded support on port[0] = 21 [ 66.354392][ T8433] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.362138][ T8433] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.369888][ T8433] device bridge_slave_0 entered promiscuous mode [ 66.392858][ T8433] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.400008][ T8433] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.409601][ T8433] device bridge_slave_1 entered promiscuous mode [ 66.424126][ T8437] chnl_net:caif_netlink_parms(): no params data found [ 66.436288][ T8435] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.443343][ T8435] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.451840][ T8435] device bridge_slave_0 entered promiscuous mode [ 66.472195][ T8435] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.479398][ T8435] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.487168][ T8435] device bridge_slave_1 entered promiscuous mode [ 66.513636][ T8433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.537139][ T8435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.560518][ T8433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.580244][ T8435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.596433][ T8427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.616618][ T8433] team0: Port device team_slave_0 added [ 66.633817][ T8435] team0: Port device team_slave_0 added [ 66.651613][ T8433] team0: Port device team_slave_1 added [ 66.670059][ T8435] team0: Port device team_slave_1 added [ 66.682149][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.690627][ T8437] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.698335][ T8437] device bridge_slave_0 entered promiscuous mode [ 66.708103][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.715154][ T8437] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.724032][ T8437] device bridge_slave_1 entered promiscuous mode [ 66.779353][ T8433] device hsr_slave_0 entered promiscuous mode [ 66.835692][ T8433] device hsr_slave_1 entered promiscuous mode [ 66.895466][ T8433] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.903048][ T8433] Cannot create hsr debugfs directory [ 66.921692][ T8430] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.960443][ T8430] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.028635][ T8430] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.101448][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.109722][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.128528][ T8427] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.140335][ T8437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.168243][ T8430] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.247746][ T8435] device hsr_slave_0 entered promiscuous mode [ 67.305718][ T8435] device hsr_slave_1 entered promiscuous mode [ 67.365478][ T8435] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.373045][ T8435] Cannot create hsr debugfs directory [ 67.382660][ T8437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.433198][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.442047][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.450751][ T3196] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.457904][ T3196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.466901][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.474935][ T8439] chnl_net:caif_netlink_parms(): no params data found [ 67.502332][ T8437] team0: Port device team_slave_0 added [ 67.531716][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.540715][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.549272][ T2698] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.556338][ T2698] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.581673][ T8437] team0: Port device team_slave_1 added [ 67.601691][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.610635][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.632942][ T8433] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.697641][ T8433] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.740754][ T8433] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.804449][ T8439] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.813532][ T8439] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.822047][ T8439] device bridge_slave_0 entered promiscuous mode [ 67.868292][ T8437] device hsr_slave_0 entered promiscuous mode [ 67.905729][ T8437] device hsr_slave_1 entered promiscuous mode [ 67.955441][ T8437] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.955470][ T8437] Cannot create hsr debugfs directory [ 67.955644][ T8433] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.023104][ T8439] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.031461][ T8439] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.040425][ T8439] device bridge_slave_1 entered promiscuous mode [ 68.057234][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.067929][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.076176][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.084929][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.093480][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.128939][ T8439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.147171][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.155738][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.177504][ T8435] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.208267][ T8439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.220969][ T8427] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.232229][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.246458][ T8435] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.277029][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.285237][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.305250][ T8430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.320371][ T8435] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.378044][ T8435] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.433023][ T8439] team0: Port device team_slave_0 added [ 68.444750][ T8439] team0: Port device team_slave_1 added [ 68.462597][ T8430] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.482910][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.490758][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.538479][ T8439] device hsr_slave_0 entered promiscuous mode [ 68.575651][ T8439] device hsr_slave_1 entered promiscuous mode [ 68.625568][ T8439] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.633132][ T8439] Cannot create hsr debugfs directory [ 68.662627][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.676605][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.684832][ T3196] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.691911][ T3196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.700104][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.708105][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.715819][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.724231][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.732581][ T3196] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.739632][ T3196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.747800][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.757746][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.771528][ T8427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.780340][ T8437] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.831427][ T8437] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.934378][ T8430] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.945192][ T8430] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.956996][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.965649][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.974103][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.982953][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.991539][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.000004][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.008380][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.017107][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.025506][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.033572][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.041293][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.049274][ T8437] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.110098][ T8437] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.211106][ T8433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.233925][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.243473][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.252153][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.260794][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.288461][ T8430] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.314396][ T8433] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.321205][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.332457][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.352446][ T8439] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.417024][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.429350][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.438203][ T3196] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.445236][ T3196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.452919][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.461473][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.470008][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.478784][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.487604][ T3196] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.494645][ T3196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.502731][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.510754][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.519137][ T8439] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.583833][ T8439] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.650111][ T8435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.661279][ T8427] device veth0_vlan entered promiscuous mode [ 69.675742][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.683534][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.691918][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.699768][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.718459][ T8439] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.765171][ T8435] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.775895][ T8427] device veth1_vlan entered promiscuous mode [ 69.786639][ T8437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.799502][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.808169][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.817129][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.824651][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.832277][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.840728][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.849235][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.858028][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.866743][ T8430] device veth0_vlan entered promiscuous mode [ 69.890154][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.898508][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.906271][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.913757][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.921543][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.930148][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.938717][ T3196] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.945797][ T3196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.953607][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.962123][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.970667][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.978991][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.991835][ T8430] device veth1_vlan entered promiscuous mode [ 70.005272][ T8437] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.018772][ T8433] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.030028][ T8433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.038304][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.046922][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.054602][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.063317][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.071707][ T3196] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.078777][ T3196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.086864][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.094381][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.102000][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.110166][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.160950][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.169551][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.179139][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.187999][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.196491][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.204712][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.213662][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.221966][ T3197] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.229008][ T3197] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.236571][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.244930][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.253243][ T3197] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.260287][ T3197] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.276389][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.284130][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.297473][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.305928][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.314062][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.322290][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.359857][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.386677][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.400242][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.407957][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.416967][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.425767][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.434073][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.442856][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.462182][ T8433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.486965][ T8435] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.549508][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 175.455294][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.462259][ C1] rcu: 1-...!: (1 GPs behind) idle=4ce/1/0x4000000000000002 softirq=12563/12569 fqs=5 [ 175.472131][ C1] (t=10500 jiffies g=6657 q=188) [ 175.477146][ C1] rcu: rcu_preempt kthread starved for 10490 jiffies! g6657 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.488226][ C1] rcu: RCU grace-period kthread stack dump: [ 175.494101][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.501988][ C1] Call Trace: [ 175.505274][ C1] __schedule+0x9a0/0xcc0 [ 175.509602][ C1] schedule+0x181/0x210 [ 175.513747][ C1] schedule_timeout+0x14f/0x240 [ 175.518584][ C1] ? run_local_timers+0x120/0x120 [ 175.523599][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.528362][ C1] kthread+0x332/0x350 [ 175.532419][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.537518][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.542098][ C1] ret_from_fork+0x24/0x30 [ 175.546512][ C1] NMI backtrace for cpu 1 [ 175.550827][ C1] CPU: 1 PID: 8396 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 175.558626][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.568663][ C1] Call Trace: [ 175.571949][ C1] [ 175.574803][ C1] dump_stack+0x1fb/0x318 [ 175.579140][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.583994][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.590142][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.596195][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.602163][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.608044][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.613151][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.618347][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.623366][ C1] update_process_times+0x12d/0x180 [ 175.628556][ C1] tick_sched_timer+0x263/0x420 [ 175.633397][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.638938][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.644137][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.649083][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.654358][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.659891][ C1] apic_timer_interrupt+0xf/0x20 [ 175.664809][ C1] [ 175.667740][ C1] RIP: 0010:free_thread_stack+0x13d/0x590 [ 175.673444][ C1] Code: 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 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 [ 175.693031][ C1] RSP: 0018:ffffc90001d47b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.701436][ C1] RAX: 0000000000000001 RBX: ffffea000255b540 RCX: 0000000000000000 [ 175.709394][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000255b540 [ 175.717349][ C1] RBP: ffffc90001d47b48 R08: dffffc0000000000 R09: fffffbfff124248a [ 175.725305][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888097b4fba0 [ 175.733260][ C1] R13: dffffc0000000000 R14: 1ffff11012f69f74 R15: ffff88808b0639b8 [ 175.741242][ C1] put_task_stack+0xa3/0x130 [ 175.745823][ C1] finish_task_switch+0x3f1/0x550 [ 175.750839][ C1] __schedule+0x9a8/0xcc0 [ 175.755163][ C1] schedule+0x181/0x210 [ 175.759318][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 175.765391][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 175.771198][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 175.776563][ C1] ep_poll+0xa4d/0xe80 [ 175.780630][ C1] ? do_task_dead+0xc0/0xc0 [ 175.785123][ C1] ? __kasan_check_read+0x11/0x20 [ 175.790159][ C1] do_epoll_wait+0x1ee/0x260 [ 175.794741][ C1] __x64_sys_epoll_wait+0x9a/0xb0 [ 175.799762][ C1] do_syscall_64+0xf7/0x1c0 [ 175.804259][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.810136][ C1] RIP: 0033:0x7fbf1cc39943 [ 175.814542][ C1] 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 [ 175.834142][ C1] RSP: 002b:00007ffdfa05cb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 175.842537][ C1] RAX: ffffffffffffffda RBX: 0000000001c45250 RCX: 00007fbf1cc39943 [ 175.850503][ C1] RDX: 0000000000000004 RSI: 00007ffdfa05cbe0 RDI: 0000000000000007 [ 175.858459][ C1] RBP: 0000000000625500 R08: 00007ffdfa05cb00 R09: 00007ffdfa0df0b8 [ 175.866426][ C1] R10: 000000000000ee42 R11: 0000000000000246 R12: 0000000001c46730 [ 175.874389][ C1] R13: 00007ffdfa05dc37 R14: 0000000000000005 R15: 0000000001c45250