[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.887781][ T23] audit: type=1800 audit(1578453782.271:25): pid=8329 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.918153][ T23] audit: type=1800 audit(1578453782.281:26): pid=8329 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.955014][ T23] audit: type=1800 audit(1578453782.281:27): pid=8329 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 '10.128.0.5' (ECDSA) to the list of known hosts. 2020/01/08 03:23:12 fuzzer started 2020/01/08 03:23:14 dialing manager at 10.128.0.26:35703 2020/01/08 03:23:14 syscalls: 2824 2020/01/08 03:23:14 code coverage: enabled 2020/01/08 03:23:14 comparison tracing: enabled 2020/01/08 03:23:14 extra coverage: enabled 2020/01/08 03:23:14 setuid sandbox: enabled 2020/01/08 03:23:14 namespace sandbox: enabled 2020/01/08 03:23:14 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:23:14 fault injection: enabled 2020/01/08 03:23:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:23:14 net packet injection: enabled 2020/01/08 03:23:14 net device setup: enabled 2020/01/08 03:23:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:23:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:23:15 executing program 0: mkdir(&(0x7f0000000180)='./file0\x00', 0x0) r0 = syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) r1 = syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x0, &(0x7f0000000600)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r0]) 03:23:15 executing program 1: r0 = syz_init_net_socket$rose(0xb, 0x5, 0x0) bind$rose(r0, 0x0, 0x0) syzkaller login: [ 65.577619][ T8495] IPVS: ftp: loaded support on port[0] = 21 03:23:16 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xf7ffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1000000000002, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup2(r2, r0) sendmsg$netlink(r3, &(0x7f0000028fc8)={0x0, 0x0, &(0x7f0000019000)}, 0x0) recvmmsg(r1, &(0x7f00000038c0), 0x3fffffffffffdf5, 0x62, 0x0) [ 65.761167][ T8495] chnl_net:caif_netlink_parms(): no params data found [ 65.787720][ T8498] IPVS: ftp: loaded support on port[0] = 21 [ 65.880393][ T8495] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.887971][ T8495] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.909854][ T8495] device bridge_slave_0 entered promiscuous mode [ 65.920871][ T8495] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.928022][ T8495] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.936262][ T8495] device bridge_slave_1 entered promiscuous mode [ 65.961737][ T8495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.975319][ T8495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.001391][ T8495] team0: Port device team_slave_0 added [ 66.011423][ T8495] team0: Port device team_slave_1 added 03:23:16 executing program 3: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x80006, 0x0) write$uinput_user_dev(r0, &(0x7f0000000140)={'syz0\x00'}, 0x45c) [ 66.067266][ T8500] IPVS: ftp: loaded support on port[0] = 21 [ 66.142518][ T8495] device hsr_slave_0 entered promiscuous mode 03:23:16 executing program 4: r0 = add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000000)={'syz'}, &(0x7f00000002c0)='X', 0x1, 0xfffffffffffffffe) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000180)='cgroup.controllers\x00', 0x0, 0x0) r1 = add_key$user(&(0x7f0000000640)='user\x00', &(0x7f0000000540)={'syz'}, &(0x7f00000000c0), 0xc6, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000300)={r0, r1, r1}, &(0x7f0000000080)=""/107, 0x6b, &(0x7f0000000200)={&(0x7f0000000100)={'rmd256-generic\x00'}}) [ 66.219940][ T8495] device hsr_slave_1 entered promiscuous mode [ 66.271709][ T8498] chnl_net:caif_netlink_parms(): no params data found [ 66.318330][ T8503] IPVS: ftp: loaded support on port[0] = 21 [ 66.441350][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.448520][ T8498] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.459607][ T8498] device bridge_slave_0 entered promiscuous mode [ 66.512163][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.521150][ T8498] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.531355][ T8498] device bridge_slave_1 entered promiscuous mode 03:23:17 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r3 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r3, 0x1000008912, &(0x7f0000000100)="0815b5055e0bcfe87b3071") r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000340)='/dev/nvram\x00', 0x0, 0x0) syz_kvm_setup_cpu$x86(r4, r2, &(0x7f0000fde000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) [ 66.585788][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 66.688624][ T8498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.713880][ T8495] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.763051][ T8495] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.792133][ T8495] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.842198][ T8498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.864647][ T8498] team0: Port device team_slave_0 added [ 66.875774][ T8506] IPVS: ftp: loaded support on port[0] = 21 [ 66.897225][ T8495] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.931958][ T8498] team0: Port device team_slave_1 added [ 66.943610][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.950910][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.958716][ T8500] device bridge_slave_0 entered promiscuous mode [ 66.960411][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 66.971615][ T8503] chnl_net:caif_netlink_parms(): no params data found [ 66.980804][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.987859][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.996915][ T8500] device bridge_slave_1 entered promiscuous mode [ 67.051710][ T8498] device hsr_slave_0 entered promiscuous mode [ 67.119132][ T8498] device hsr_slave_1 entered promiscuous mode [ 67.169090][ T8498] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.176881][ T8498] Cannot create hsr debugfs directory [ 67.227282][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.244597][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.270966][ T8503] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.278193][ T8503] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.287431][ T8503] device bridge_slave_0 entered promiscuous mode [ 67.296442][ T8503] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.303661][ T8503] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.311613][ T8503] device bridge_slave_1 entered promiscuous mode [ 67.361488][ T8503] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.384363][ T8500] team0: Port device team_slave_0 added [ 67.391868][ T8500] team0: Port device team_slave_1 added [ 67.402428][ T8503] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.450666][ T8503] team0: Port device team_slave_0 added [ 67.488424][ T8503] team0: Port device team_slave_1 added [ 67.561288][ T8500] device hsr_slave_0 entered promiscuous mode [ 67.599294][ T8500] device hsr_slave_1 entered promiscuous mode [ 67.639413][ T8500] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.647010][ T8500] Cannot create hsr debugfs directory [ 67.711351][ T8503] device hsr_slave_0 entered promiscuous mode [ 67.749151][ T8503] device hsr_slave_1 entered promiscuous mode [ 67.799021][ T8503] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.806607][ T8503] Cannot create hsr debugfs directory [ 67.845575][ T8498] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.913332][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 67.931743][ T8498] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.992931][ T8498] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.066573][ T8509] chnl_net:caif_netlink_parms(): no params data found [ 68.077187][ T8498] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.154993][ T8495] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.216296][ T8495] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.245305][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.256297][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.279641][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.286707][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.296036][ T8506] device bridge_slave_0 entered promiscuous mode [ 68.303318][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.311311][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.319779][ T8509] device bridge_slave_0 entered promiscuous mode [ 68.343611][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.352861][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.361721][ T2958] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.368932][ T2958] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.376759][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.385554][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.393901][ T2958] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.400973][ T2958] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.409245][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.416282][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.424072][ T8506] device bridge_slave_1 entered promiscuous mode [ 68.442318][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.449469][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.456988][ T8509] device bridge_slave_1 entered promiscuous mode [ 68.485856][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.495764][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.509325][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.525811][ T8500] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.584010][ T8500] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.641058][ T8503] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.682007][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.697735][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.717979][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.728908][ T8500] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.770821][ T8503] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.834369][ T8503] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.884932][ T8503] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.934644][ T8506] team0: Port device team_slave_0 added [ 68.941934][ T8500] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.987009][ T8509] team0: Port device team_slave_0 added [ 68.996980][ T8506] team0: Port device team_slave_1 added [ 69.004423][ T8509] team0: Port device team_slave_1 added [ 69.025965][ T3065] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.034449][ T3065] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.043101][ T3065] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.051634][ T3065] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.060470][ T3065] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.068790][ T3065] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.084650][ T8498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.106993][ T8495] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.118964][ T8495] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.147633][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.155925][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.164953][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.173332][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.232136][ T8506] device hsr_slave_0 entered promiscuous mode [ 69.269252][ T8506] device hsr_slave_1 entered promiscuous mode [ 69.339035][ T8506] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.346630][ T8506] Cannot create hsr debugfs directory [ 69.401562][ T8509] device hsr_slave_0 entered promiscuous mode [ 69.439640][ T8509] device hsr_slave_1 entered promiscuous mode [ 69.479033][ T8509] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.486624][ T8509] Cannot create hsr debugfs directory [ 69.492412][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.514805][ T8498] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.544326][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.554211][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.562132][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.569801][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.584025][ T8495] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.624717][ T8503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.637282][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.649341][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.657604][ T2968] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.665217][ T2968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.672898][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.681933][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.690709][ T2968] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.697744][ T2968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.705857][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.728402][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.768111][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.778055][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.787321][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.796420][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.804192][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.838296][ T8503] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.862737][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.875154][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.884450][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.892941][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.901922][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.910888][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.919603][ T2968] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.926636][ T2968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.934465][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.942902][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.951397][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.959793][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.967515][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.976233][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.991476][ T8509] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.031314][ T8509] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.081809][ T8509] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.145403][ T8509] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.216800][ T8495] device veth0_vlan entered promiscuous mode [ 70.223734][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.232634][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.240969][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.249335][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.257828][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.267217][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.275560][ T2958] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.282784][ T2958] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.293590][ T8498] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.317409][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.333962][ T8506] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.363039][ T8506] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.422011][ T8506] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.472646][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.506108][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.516706][ T8495] device veth1_vlan entered promiscuous mode [ 70.524039][ T8506] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.540889][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.552265][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.561232][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.569715][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.578060][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.586756][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.595311][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.603554][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.611483][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.619666][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.664413][ T8498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.673393][ T8503] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.693345][ T8503] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.702535][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.711264][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.720042][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.729650][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.738115][ T2985] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.745205][ T2985] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.753527][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.762446][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.771321][ T2985] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.778370][ T2985] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.785948][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.793509][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.842158][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.850586][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.860601][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.887189][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.897007][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.905853][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.914681][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.923491][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.932151][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.941293][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.949944][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.998406][ T8498] device veth0_vlan entered promiscuous mode [ 71.011617][ T8498] device veth1_vlan entered promiscuous mode [ 175.888806][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.895683][ C1] rcu: 1-...!: (10499 ticks this GP) idle=33a/1/0x4000000000000002 softirq=13840/13840 fqs=37 [ 175.906255][ C1] (t=10500 jiffies g=6861 q=338) [ 175.911284][ C1] rcu: rcu_preempt kthread starved for 10423 jiffies! g6861 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.922374][ C1] rcu: RCU grace-period kthread stack dump: [ 175.928252][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.936140][ C1] Call Trace: [ 175.939423][ C1] __schedule+0x9a0/0xcc0 [ 175.943750][ C1] schedule+0x181/0x210 [ 175.947895][ C1] schedule_timeout+0x14f/0x240 [ 175.952737][ C1] ? run_local_timers+0x120/0x120 [ 175.957755][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.962518][ C1] kthread+0x332/0x350 [ 175.966572][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.971670][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.976249][ C1] ret_from_fork+0x24/0x30 [ 175.980665][ C1] NMI backtrace for cpu 1 [ 175.984984][ C1] CPU: 1 PID: 8464 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 175.992782][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.002824][ C1] Call Trace: [ 176.006098][ C1] [ 176.008943][ C1] dump_stack+0x1fb/0x318 [ 176.013264][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.018132][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.024284][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.030349][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.036324][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.042210][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.047340][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.052537][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.057557][ C1] update_process_times+0x12d/0x180 [ 176.062754][ C1] tick_sched_timer+0x263/0x420 [ 176.067597][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.073145][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.078349][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.083291][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.088572][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.094109][ C1] apic_timer_interrupt+0xf/0x20 [ 176.099036][ C1] [ 176.101968][ C1] RIP: 0010:__memcg_kmem_uncharge+0x44/0x1a0 [ 176.107934][ C1] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 48 07 fb ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 de 00 00 00 4c 39 3d a4 be ac 07 0f 84 2c 01 00 00 [ 176.127527][ C1] RSP: 0018:ffffc90001ef7720 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.135927][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 176.143887][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025a3b00 [ 176.151859][ C1] RBP: ffffc90001ef7750 R08: 000000000003a728 R09: ffffed1011c69ed1 [ 176.159820][ C1] R10: ffffed1011c69ed1 R11: 0000000000000000 R12: ffffea00025a3b00 [ 176.167775][ C1] R13: 1ffffd40004b4767 R14: ffffea00025a3b38 R15: 0000000000000000 [ 176.175757][ C1] ? free_thread_stack+0x124/0x590 [ 176.180857][ C1] free_thread_stack+0x12e/0x590 [ 176.185787][ C1] put_task_stack+0xa3/0x130 [ 176.190366][ C1] finish_task_switch+0x3f1/0x550 [ 176.195381][ C1] __schedule+0x9a8/0xcc0 [ 176.199710][ C1] schedule+0x181/0x210 [ 176.203857][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 176.209918][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 176.215714][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 176.221073][ C1] poll_schedule_timeout+0x11c/0x1c0 [ 176.226377][ C1] do_sys_poll+0x83f/0x1250 [ 176.230908][ C1] ? debug_object_activate+0x2f7/0x6f0 [ 176.236374][ C1] ? debug_object_active_state+0x1e3/0x4a0 [ 176.242182][ C1] ? __lock_acquire+0xc75/0x1be0 [ 176.247130][ C1] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 176.253112][ C1] ? trace_hardirqs_on+0x74/0x80 [ 176.258043][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 176.262807][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 176.267558][ C1] ? read_seqcount_begin+0x125/0x1c0 [ 176.272839][ C1] ? trace_hardirqs_on+0x74/0x80 [ 176.277760][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 176.282522][ C1] ? read_seqcount_begin+0x17a/0x1c0 [ 176.287794][ C1] ? ktime_get_ts64+0x240/0x2c0 [ 176.292650][ C1] ? timespec64_add_safe+0x171/0x1b0 [ 176.297930][ C1] __se_sys_poll+0x1b0/0x360 [ 176.302520][ C1] __x64_sys_poll+0x7b/0x90 [ 176.307022][ C1] do_syscall_64+0xf7/0x1c0 [ 176.311525][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.317404][ C1] RIP: 0033:0x7f4618dae678 [ 176.321808][ C1] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 176.341396][ C1] RSP: 002b:00007ffdc17230e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 176.349795][ C1] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f4618dae678 [ 176.357789][ C1] RDX: 000000000000ee38 RSI: 0000000000000001 RDI: 00007ffdc17231a0 [ 176.366034][ C1] RBP: 0000000000000000 R08: 00007ffdc17230f0 R09: 00007ffdc17f20b8 [ 176.374162][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000018b2110 [ 176.382146][ C1] R13: 0000000000002142 R14: 00007ffdc1723174 R15: 00000000018b2250