[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.036150][ T27] audit: type=1800 audit(1578452870.342:25): pid=8405 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.065043][ T27] audit: type=1800 audit(1578452870.342:26): pid=8405 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.104759][ T27] audit: type=1800 audit(1578452870.342:27): pid=8405 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 '10.128.0.237' (ECDSA) to the list of known hosts. 2020/01/08 03:07:59 fuzzer started 2020/01/08 03:08:02 dialing manager at 10.128.0.26:35703 2020/01/08 03:08:02 syscalls: 2824 2020/01/08 03:08:02 code coverage: enabled 2020/01/08 03:08:02 comparison tracing: enabled 2020/01/08 03:08:02 extra coverage: enabled 2020/01/08 03:08:02 setuid sandbox: enabled 2020/01/08 03:08:02 namespace sandbox: enabled 2020/01/08 03:08:02 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:08:02 fault injection: enabled 2020/01/08 03:08:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:08:02 net packet injection: enabled 2020/01/08 03:08:02 net device setup: enabled 2020/01/08 03:08:02 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:08:02 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:08:03 executing program 0: perf_event_open(&(0x7f0000000040)={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 = syz_init_net_socket$x25(0x9, 0x5, 0x0) r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0) dup3(r0, r1, 0x80000) 03:08:03 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000440)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000100)=[@textreal={0x8, &(0x7f0000000080)="f2a6bad004b00fee0f090f3036f30f1a970000660f3806581e0f08bad004b0beeef30f2af8baa100b000ee", 0x2b}], 0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000040)=0x96d1, 0x17f) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) accept4(0xffffffffffffffff, &(0x7f0000000140)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x0, 0x0, @dev}}, &(0x7f0000000000)=0x80, 0x0) ioctl$KVM_SET_REGS(r5, 0x4090ae82, &(0x7f0000000380)={[0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x4cc], 0x100000}) ioctl$KVM_RUN(r5, 0xae80, 0x0) syzkaller login: [ 64.003689][ T8573] IPVS: ftp: loaded support on port[0] = 21 [ 64.137993][ T8575] IPVS: ftp: loaded support on port[0] = 21 03:08:03 executing program 2: r0 = syz_open_dev$radio(&(0x7f00000001c0)='/dev/radio#\x00', 0x3, 0x2) ioctl$VIDIOC_G_MODULATOR(r0, 0xc0445636, &(0x7f0000000340)={0x3, "a6cb65dd3b35a790193a2dba6c82016894f8324f828fbe549f15d61b897fe3e6"}) [ 64.200156][ T8573] chnl_net:caif_netlink_parms(): no params data found [ 64.344293][ T8573] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.354418][ T8573] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.363155][ T8573] device bridge_slave_0 entered promiscuous mode [ 64.379247][ T8575] chnl_net:caif_netlink_parms(): no params data found [ 64.391832][ T8573] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.399824][ T8573] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.408928][ T8573] device bridge_slave_1 entered promiscuous mode 03:08:03 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) close(r0) socket(0x840000000002, 0x3, 0xff) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000), 0x10) connect$inet(r0, &(0x7f0000000280)={0x2, 0x0, @initdev}, 0x10) write$binfmt_elf32(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="4ef27f454c460000006c006c0100000000000000070205030000000000000088810000b8b2f893066dffabb475"], 0x38) [ 64.449983][ T8579] IPVS: ftp: loaded support on port[0] = 21 [ 64.476115][ T8573] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.499549][ T8573] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.541656][ T8575] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.565137][ T8575] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.573135][ T8575] device bridge_slave_0 entered promiscuous mode [ 64.600991][ T8575] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.609129][ T8575] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.625839][ T8575] device bridge_slave_1 entered promiscuous mode [ 64.638990][ T8573] team0: Port device team_slave_0 added [ 64.665936][ T8575] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.681894][ T8575] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.697291][ T8573] team0: Port device team_slave_1 added [ 64.712055][ T8581] IPVS: ftp: loaded support on port[0] = 21 03:08:04 executing program 4: r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000080)="d800000018008100e00f80ecdb4cb904021d65ef0b007c06e87c55a1bc000900b8000699030000000500154002008178040016000a0012000a00000003ac040000d67f6f94007134cf6efb8000a007a290457f0189b316277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe04000000730d16a4683e4f6d0200003f5aeb4edbb57a5025ccca9e00360db798262f3d40fad95667e04adcdf634c1f215ce3bb9ad809d5e1cace81ed0b7fece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92307f27260e9703", 0xd8}], 0x1}, 0x0) [ 64.769635][ T8575] team0: Port device team_slave_0 added [ 64.820997][ T8573] device hsr_slave_0 entered promiscuous mode [ 64.907087][ T8573] device hsr_slave_1 entered promiscuous mode [ 64.957971][ T8575] team0: Port device team_slave_1 added [ 64.971821][ T8583] IPVS: ftp: loaded support on port[0] = 21 03:08:04 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000140)="1400000013000507ed0064d24ef862451358c653", 0x14}], 0x1, 0x0, 0x0, 0x300}, 0x0) [ 65.027744][ T8575] device hsr_slave_0 entered promiscuous mode [ 65.076158][ T8575] device hsr_slave_1 entered promiscuous mode [ 65.115270][ T8575] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.123018][ T8575] Cannot create hsr debugfs directory [ 65.228686][ T8585] IPVS: ftp: loaded support on port[0] = 21 [ 65.306288][ T8579] chnl_net:caif_netlink_parms(): no params data found [ 65.341180][ T8581] chnl_net:caif_netlink_parms(): no params data found [ 65.353887][ T8573] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.398862][ T8573] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.459810][ T8573] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.520607][ T8573] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.611138][ T8581] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.619719][ T8581] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.627902][ T8581] device bridge_slave_0 entered promiscuous mode [ 65.638684][ T8581] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.646628][ T8581] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.654301][ T8581] device bridge_slave_1 entered promiscuous mode [ 65.666562][ T8575] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.718199][ T8575] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.787504][ T8575] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.841929][ T8579] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.850115][ T8579] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.858119][ T8579] device bridge_slave_0 entered promiscuous mode [ 65.869046][ T8575] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.921144][ T8581] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.933365][ T8579] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.941261][ T8579] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.950185][ T8579] device bridge_slave_1 entered promiscuous mode [ 65.977125][ T8581] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.011249][ T8579] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.033693][ T8581] team0: Port device team_slave_0 added [ 66.057767][ T8579] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.071051][ T8581] team0: Port device team_slave_1 added [ 66.089997][ T8583] chnl_net:caif_netlink_parms(): no params data found [ 66.157103][ T8581] device hsr_slave_0 entered promiscuous mode [ 66.225521][ T8581] device hsr_slave_1 entered promiscuous mode [ 66.275137][ T8581] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.282760][ T8581] Cannot create hsr debugfs directory [ 66.322447][ T8579] team0: Port device team_slave_0 added [ 66.348216][ T8579] team0: Port device team_slave_1 added [ 66.389619][ T8585] chnl_net:caif_netlink_parms(): no params data found [ 66.414936][ T8583] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.426028][ T8583] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.433785][ T8583] device bridge_slave_0 entered promiscuous mode [ 66.487788][ T8579] device hsr_slave_0 entered promiscuous mode [ 66.525441][ T8579] device hsr_slave_1 entered promiscuous mode [ 66.565127][ T8579] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.572723][ T8579] Cannot create hsr debugfs directory [ 66.610970][ T8583] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.618260][ T8583] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.626669][ T8583] device bridge_slave_1 entered promiscuous mode [ 66.680044][ T8583] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.696777][ T8581] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.766154][ T8573] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.774179][ T8583] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.797928][ T8581] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.836837][ T8585] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.843948][ T8585] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.854568][ T8585] device bridge_slave_0 entered promiscuous mode [ 66.862886][ T8585] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.870182][ T8585] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.878236][ T8585] device bridge_slave_1 entered promiscuous mode [ 66.900701][ T8581] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.951096][ T8581] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.013842][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.022040][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.032276][ T8583] team0: Port device team_slave_0 added [ 67.039322][ T8579] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.104064][ T8573] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.120556][ T8583] team0: Port device team_slave_1 added [ 67.126940][ T8579] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.158430][ T8585] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.180046][ T8575] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.188619][ T8579] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.228833][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.238079][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.246556][ T2730] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.253715][ T2730] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.261648][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.271050][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.279476][ T2730] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.286580][ T2730] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.297513][ T8585] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.324475][ T8585] team0: Port device team_slave_0 added [ 67.333443][ T8585] team0: Port device team_slave_1 added [ 67.339904][ T8579] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.387824][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.396127][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.467935][ T8583] device hsr_slave_0 entered promiscuous mode [ 67.516061][ T8583] device hsr_slave_1 entered promiscuous mode [ 67.545433][ T8583] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.553028][ T8583] Cannot create hsr debugfs directory [ 67.574010][ T8575] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.595469][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.603209][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.612102][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.621139][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.629941][ T2710] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.637173][ T2710] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.644848][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.653729][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.662216][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.670624][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.679214][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.687731][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.695961][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.706217][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.714083][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.766973][ T8585] device hsr_slave_0 entered promiscuous mode [ 67.835356][ T8585] device hsr_slave_1 entered promiscuous mode [ 67.885352][ T8585] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.893023][ T8585] Cannot create hsr debugfs directory [ 67.911161][ T8573] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.922776][ T8573] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.942115][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.951085][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.959614][ T3164] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.967233][ T3164] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.976324][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.984600][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.020244][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.032412][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.059860][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.067421][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.102107][ T8573] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.130193][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.139509][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.148192][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.157251][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.165894][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.174089][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.183385][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.222935][ T8575] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.235527][ T8575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.262262][ T8581] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.273986][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.283098][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.322799][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.331707][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.347091][ T8583] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.382507][ T8583] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.431131][ T8583] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.499362][ T8583] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.558157][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.567709][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.575707][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.583137][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.600403][ T8581] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.611460][ T8579] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.618589][ T8585] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.681024][ T8585] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.737790][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.746682][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.754901][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.762781][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.772938][ T8575] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.795055][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.803597][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.812454][ T2710] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.819578][ T2710] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.827382][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.836171][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.844588][ T2710] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.851686][ T2710] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.859405][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.868343][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.881600][ T8585] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.917299][ T8573] device veth0_vlan entered promiscuous mode [ 68.923955][ T8585] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.996090][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.003955][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.013272][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.022122][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.031138][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.039717][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.048564][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.057100][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.071316][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.079361][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.093410][ T8573] device veth1_vlan entered promiscuous mode [ 69.101791][ T8579] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.147695][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.156634][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.164522][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.174934][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.183752][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.192470][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.201319][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.209757][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.218373][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.226975][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.236412][ T2721] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.243507][ T2721] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.251434][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.259973][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.268365][ T2721] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.275452][ T2721] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.282922][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.294082][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.301833][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.310655][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.331495][ T8581] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.352795][ T8575] device veth0_vlan entered promiscuous mode [ 69.375361][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.383914][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.397575][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.407925][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.425070][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.432551][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.451681][ T8575] device veth1_vlan entered promiscuous mode [ 69.478867][ T8581] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.514749][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.524378][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.533661][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.592973][ T8585] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.603747][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.615209][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.623697][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.635471][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.643957][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.683467][ T8583] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.704028][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.716622][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.739905][ T8585] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.761452][ T8581] device veth0_vlan entered promiscuous mode [ 69.792405][ T8583] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.805807][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.814750][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.828961][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.841608][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.858355][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.870914][ T3172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.890131][ T8581] device veth1_vlan entered promiscuous mode [ 69.926170][ T8579] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.956670][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.971278][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.983057][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.998951][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.011212][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.023444][ T2730] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.030634][ T2730] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.045892][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.054833][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.069622][ T2730] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.076788][ T2730] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.091298][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.100258][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.116339][ T2730] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.123484][ T2730] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.137713][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.150392][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.163347][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.175593][ T2730] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.182710][ T2730] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.197941][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.210085][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.277339][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.287694][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.303828][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.312342][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.328118][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.344313][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.355578][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.363129][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.377679][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 174.674969][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.681874][ C0] rcu: 0-...!: (1 GPs behind) idle=5fe/1/0x4000000000000002 softirq=12966/12968 fqs=28 [ 174.691856][ C0] (t=10500 jiffies g=6921 q=897) [ 174.696875][ C0] rcu: rcu_preempt kthread starved for 10430 jiffies! g6921 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.707963][ C0] rcu: RCU grace-period kthread stack dump: [ 174.713869][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.721767][ C0] Call Trace: [ 174.725063][ C0] __schedule+0x9a0/0xcc0 [ 174.729409][ C0] schedule+0x181/0x210 [ 174.733562][ C0] schedule_timeout+0x14f/0x240 [ 174.738406][ C0] ? run_local_timers+0x120/0x120 [ 174.743431][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.748198][ C0] kthread+0x332/0x350 [ 174.752262][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.757396][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.762008][ C0] ret_from_fork+0x24/0x30 [ 174.766457][ C0] NMI backtrace for cpu 0 [ 174.770786][ C0] CPU: 0 PID: 2710 Comm: kworker/0:9 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.779099][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.789157][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 174.795130][ C0] Call Trace: [ 174.798403][ C0] [ 174.801247][ C0] dump_stack+0x1fb/0x318 [ 174.805571][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.810413][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.816555][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.822611][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.828583][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.834465][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.839593][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.844798][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.849945][ C0] update_process_times+0x12d/0x180 [ 174.855151][ C0] tick_sched_timer+0x263/0x420 [ 174.859999][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.865537][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.870745][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.875694][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.880972][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.886514][ C0] apic_timer_interrupt+0xf/0x20 [ 174.891437][ C0] [ 174.894370][ C0] RIP: 0010:free_thread_stack+0x177/0x590 [ 174.900079][ C0] Code: 80 3c 28 00 74 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 <49> 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 [ 174.919674][ C0] RSP: 0018:ffffc90007c7f8e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.928075][ C0] RAX: ffffffff814897d3 RBX: ffff88808ca0a008 RCX: ffff88809fcca1c0 [ 174.936058][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00027d9580 [ 174.944044][ C0] RBP: ffffc90007c7f920 R08: 000000000003a728 R09: ffffed1013b076c9 [ 174.952534][ C0] R10: ffffed1013b076c9 R11: 0000000000000000 R12: ffff88808ca0a0a0 [ 174.960503][ C0] R13: dffffc0000000000 R14: 1ffff11011941414 R15: ffff88809d83b638 [ 174.968484][ C0] ? mod_memcg_page_state+0x123/0x190 [ 174.973849][ C0] ? free_thread_stack+0x168/0x590 [ 174.978955][ C0] put_task_stack+0xa3/0x130 [ 174.983538][ C0] finish_task_switch+0x3f1/0x550 [ 174.988576][ C0] __schedule+0x9a8/0xcc0 [ 174.992902][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.998180][ C0] schedule+0x181/0x210 [ 175.002331][ C0] schedule_preempt_disabled+0x13/0x20 [ 175.007777][ C0] mutex_optimistic_spin+0x445/0x480 [ 175.013062][ C0] __mutex_lock_common+0x2e7/0x2e10 [ 175.018254][ C0] ? rtnl_lock+0x17/0x20 [ 175.022503][ C0] ? process_one_work+0x75d/0x10d0 [ 175.027610][ C0] mutex_lock_nested+0x1b/0x30 [ 175.032362][ C0] rtnl_lock+0x17/0x20 [ 175.036421][ C0] addrconf_dad_work+0x69/0x1c30 [ 175.041379][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 175.047115][ C0] process_one_work+0x7ef/0x10d0 [ 175.052072][ C0] worker_thread+0xc01/0x1630 [ 175.056770][ C0] kthread+0x332/0x350 [ 175.060831][ C0] ? rcu_lock_release+0x30/0x30 [ 175.065675][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.070275][ C0] ret_from_fork+0x24/0x30