[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.062196][ T27] audit: type=1800 audit(1578462300.392:25): pid=8307 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.094524][ T27] audit: type=1800 audit(1578462300.392:26): pid=8307 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.165974][ T27] audit: type=1800 audit(1578462300.392:27): pid=8307 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.43' (ECDSA) to the list of known hosts. 2020/01/08 05:45:09 fuzzer started syzkaller login: [ 57.330493][ T8468] as (8468) used greatest stack depth: 23368 bytes left 2020/01/08 05:45:11 dialing manager at 10.128.0.26:35703 2020/01/08 05:45:11 syscalls: 2824 2020/01/08 05:45:11 code coverage: enabled 2020/01/08 05:45:11 comparison tracing: enabled 2020/01/08 05:45:11 extra coverage: enabled 2020/01/08 05:45:11 setuid sandbox: enabled 2020/01/08 05:45:11 namespace sandbox: enabled 2020/01/08 05:45:11 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:45:11 fault injection: enabled 2020/01/08 05:45:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:45:11 net packet injection: enabled 2020/01/08 05:45:11 net device setup: enabled 2020/01/08 05:45:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:45:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:45:12 executing program 0: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 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) r0 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f0000000300)={'syz', 0x0}, &(0x7f00000002c0)="f5", 0x1, 0xfffffffffffffffe) keyctl$update(0x2, r0, &(0x7f0000000480)="007c04f5a46b6828d7f8d57a3b2361c1082d58d61f87fb2c8ae1fb2c10ce9eb8d5dd15e46853af77a8a683397cb3977720b80dbe6dd80b632cc0264e0b6dbd227de6998a40d182c5b3a38e3ab17f6ea8a8c6f199553246f875d96f773709dd4307262012c9980b2a6249286ae6dd2f4b564feb45158b319c34ff", 0x7a) r1 = add_key$user(&(0x7f00000003c0)='user\x00', &(0x7f0000000440)={'syz'}, &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000000)={r0, r1, r0}, &(0x7f00000000c0)=""/83, 0xffffffffffffffc9, 0x0) 05:45:12 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000d65000)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x24, 0x2, 0x1, 0xffffffffffffffff, 0x0, 0x0, {0x0, 0x2}, [@typed={0x8, 0x15}, @typed={0x8, 0x8}]}, 0x24}}, 0x0) [ 59.066081][ T8475] IPVS: ftp: loaded support on port[0] = 21 [ 59.221101][ T8475] chnl_net:caif_netlink_parms(): no params data found [ 59.289256][ T8475] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.296972][ T8475] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.304808][ T8475] device bridge_slave_0 entered promiscuous mode [ 59.330081][ T8475] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.337265][ T8475] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.344788][ T8475] device bridge_slave_1 entered promiscuous mode [ 59.360087][ T8478] IPVS: ftp: loaded support on port[0] = 21 05:45:12 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) setresuid(0xffffffffffffffff, 0xfffe, 0xffffffffffffffff) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000040)={'\x00', &(0x7f0000000000)=@ethtool_ringparam={0xe}}) [ 59.389504][ T8475] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.421183][ T8475] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.478299][ T8475] team0: Port device team_slave_0 added [ 59.486575][ T8475] team0: Port device team_slave_1 added 05:45:12 executing program 3: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000600)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000640)={0x7, 0x1, 0x0, "b2c5416959dc5ff75b507f906f90219fdf2200f1753d352c326f582f2821fe0d"}) [ 59.629872][ T8475] device hsr_slave_0 entered promiscuous mode [ 59.687585][ T8475] device hsr_slave_1 entered promiscuous mode [ 59.812257][ T8481] IPVS: ftp: loaded support on port[0] = 21 [ 59.829942][ T8478] chnl_net:caif_netlink_parms(): no params data found [ 59.850981][ T8483] IPVS: ftp: loaded support on port[0] = 21 05:45:13 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0xd, 0x3, &(0x7f0000000200)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x6c, 0x66}}, &(0x7f0000000240)='GPL\x00', 0x1, 0x348, &(0x7f0000000480)=""/195}, 0x48) [ 59.961041][ T8478] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.980394][ T8478] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.001093][ T8478] device bridge_slave_0 entered promiscuous mode [ 60.022365][ T8478] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.030294][ T8478] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.041419][ T8478] device bridge_slave_1 entered promiscuous mode [ 60.126409][ T8478] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 05:45:13 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f0000000040)={0x3, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x18}]}, &(0x7f00000000c0)='GPL\x00', 0x5, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x67) [ 60.193015][ T8478] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.207075][ T8475] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.278551][ T8486] IPVS: ftp: loaded support on port[0] = 21 [ 60.303017][ T8475] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.349375][ T8475] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.400928][ T8475] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.472614][ T8483] chnl_net:caif_netlink_parms(): no params data found [ 60.483450][ T8478] team0: Port device team_slave_0 added [ 60.526157][ T8478] team0: Port device team_slave_1 added [ 60.542272][ T8481] chnl_net:caif_netlink_parms(): no params data found [ 60.542767][ T8488] IPVS: ftp: loaded support on port[0] = 21 [ 60.619397][ T8478] device hsr_slave_0 entered promiscuous mode [ 60.667379][ T8478] device hsr_slave_1 entered promiscuous mode [ 60.716991][ T8478] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.724809][ T8478] Cannot create hsr debugfs directory [ 60.781027][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.788489][ T8483] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.796234][ T8483] device bridge_slave_0 entered promiscuous mode [ 60.806282][ T8483] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.813416][ T8483] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.821391][ T8483] device bridge_slave_1 entered promiscuous mode [ 60.869542][ T8483] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.884471][ T8481] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.893547][ T8481] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.901364][ T8481] device bridge_slave_0 entered promiscuous mode [ 60.912529][ T8481] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.920022][ T8481] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.929736][ T8481] device bridge_slave_1 entered promiscuous mode [ 60.940290][ T8483] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.996084][ T8483] team0: Port device team_slave_0 added [ 61.021904][ T8481] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.036231][ T8483] team0: Port device team_slave_1 added [ 61.061653][ T8481] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.084114][ T8481] team0: Port device team_slave_0 added [ 61.093037][ T8481] team0: Port device team_slave_1 added [ 61.160389][ T8483] device hsr_slave_0 entered promiscuous mode [ 61.197269][ T8483] device hsr_slave_1 entered promiscuous mode [ 61.237023][ T8483] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.244615][ T8483] Cannot create hsr debugfs directory [ 61.268633][ T8478] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.334411][ T8478] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.408517][ T8478] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.431893][ T8478] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.501727][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 61.578944][ T8481] device hsr_slave_0 entered promiscuous mode [ 61.617216][ T8481] device hsr_slave_1 entered promiscuous mode [ 61.656964][ T8481] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.664575][ T8481] Cannot create hsr debugfs directory [ 61.672822][ T8475] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.680432][ T8486] chnl_net:caif_netlink_parms(): no params data found [ 61.754412][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.764783][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.773132][ T8488] device bridge_slave_0 entered promiscuous mode [ 61.782865][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.789975][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.798074][ T8488] device bridge_slave_1 entered promiscuous mode [ 61.843348][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.852047][ T8486] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.861234][ T8486] device bridge_slave_0 entered promiscuous mode [ 61.872192][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.879352][ T8486] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.887810][ T8486] device bridge_slave_1 entered promiscuous mode [ 61.911650][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.920795][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.946702][ T8475] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.962470][ T8486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.978602][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.991205][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.005132][ T8486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.018941][ T8483] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.091495][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.100075][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.108799][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.115979][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.129484][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.156374][ T8483] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.199462][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.209070][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.218046][ T2681] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.225091][ T2681] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.232817][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.242486][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.270715][ T8481] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.319040][ T8483] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.362114][ T8486] team0: Port device team_slave_0 added [ 62.372255][ T8486] team0: Port device team_slave_1 added [ 62.381566][ T8488] team0: Port device team_slave_0 added [ 62.387749][ T8481] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.451308][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.460667][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.469275][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.477800][ T8483] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.546129][ T8488] team0: Port device team_slave_1 added [ 62.553747][ T8481] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.588755][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.600340][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.609576][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.618550][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.639384][ T8478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.689016][ T8486] device hsr_slave_0 entered promiscuous mode [ 62.727209][ T8486] device hsr_slave_1 entered promiscuous mode [ 62.777121][ T8486] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.784710][ T8486] Cannot create hsr debugfs directory [ 62.791363][ T8481] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.848859][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.857688][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.918879][ T8488] device hsr_slave_0 entered promiscuous mode [ 62.987481][ T8488] device hsr_slave_1 entered promiscuous mode [ 63.047024][ T8488] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.054610][ T8488] Cannot create hsr debugfs directory [ 63.071691][ T8475] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.080775][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.088786][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.100678][ T8478] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.159819][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.169839][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.178619][ T2681] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.185740][ T2681] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.230609][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.238983][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.248267][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.256533][ T2681] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.263620][ T2681] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.271580][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.297177][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.343985][ T8478] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.354769][ T8478] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.373203][ T8488] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.410884][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.419690][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.428608][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.437298][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.445521][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.454042][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.462515][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.470878][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.479211][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.486631][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.507223][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.515670][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.532948][ T8475] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.535908][ T8483] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.551621][ T8488] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.578356][ T8486] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.609228][ T8486] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.664234][ T8488] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.719685][ T8488] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.785433][ T8486] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.819223][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.826723][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.841008][ T8478] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.863148][ T8483] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.874138][ T8486] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.976177][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.984592][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.993217][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.002948][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.011770][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.020841][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.029552][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.038074][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.046233][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.055176][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.064157][ T2681] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.071414][ T2681] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.079616][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.088348][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.096722][ T2681] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.103823][ T2681] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.128918][ T8475] device veth0_vlan entered promiscuous mode [ 64.146801][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.155252][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.163944][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.172190][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.180792][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.210324][ T8475] device veth1_vlan entered promiscuous mode [ 64.225371][ T8478] device veth0_vlan entered promiscuous mode [ 64.232792][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.242712][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.251933][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.261065][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.269612][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.278269][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.286816][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.295750][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.304393][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.312500][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.344946][ T8483] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.356316][ T8483] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.381798][ T8481] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.395085][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.405486][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.415010][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.424287][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.433596][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.442235][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.456447][ T8478] device veth1_vlan entered promiscuous mode [ 64.492473][ T8481] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.511709][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.527835][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.545835][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.561098][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.569645][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.577782][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.586604][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.595496][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.602684][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.618453][ T8483] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.639248][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 169.566829][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.573743][ C1] rcu: 1-...!: (10499 ticks this GP) idle=946/1/0x4000000000000002 softirq=11717/11717 fqs=41 [ 169.584343][ C1] (t=10500 jiffies g=6857 q=136) [ 169.589564][ C1] rcu: rcu_preempt kthread starved for 10417 jiffies! g6857 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 169.600664][ C1] rcu: RCU grace-period kthread stack dump: [ 169.606544][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.614449][ C1] Call Trace: [ 169.617737][ C1] __schedule+0x9a0/0xcc0 [ 169.622081][ C1] schedule+0x181/0x210 [ 169.626249][ C1] schedule_timeout+0x14f/0x240 [ 169.631105][ C1] ? run_local_timers+0x120/0x120 [ 169.636126][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.640901][ C1] kthread+0x332/0x350 [ 169.644964][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.650084][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.654669][ C1] ret_from_fork+0x24/0x30 [ 169.659088][ C1] NMI backtrace for cpu 1 [ 169.663407][ C1] CPU: 1 PID: 225 Comm: kworker/u4:5 Not tainted 5.5.0-rc5-syzkaller #0 [ 169.671712][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.681949][ C1] Workqueue: 0x0 (events_unbound) [ 169.687051][ C1] Call Trace: [ 169.690340][ C1] [ 169.693193][ C1] dump_stack+0x1fb/0x318 [ 169.697515][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.702351][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.708495][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.714568][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.720541][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.726437][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.731550][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.736765][ C1] ? trace_hardirqs_off+0x74/0x80 [ 169.741787][ C1] update_process_times+0x12d/0x180 [ 169.746977][ C1] tick_sched_timer+0x263/0x420 [ 169.751834][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.757370][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.762573][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.767538][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.772831][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.778366][ C1] apic_timer_interrupt+0xf/0x20 [ 169.783331][ C1] [ 169.786264][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 169.791972][ C1] Code: 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 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 169.811566][ C1] RSP: 0018:ffffc90001577c30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.819965][ C1] RAX: 1ffff110148cc351 RBX: ffff8880a4661a88 RCX: 0000000000000000 [ 169.827927][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002606280 [ 169.835892][ C1] RBP: ffffc90001577c68 R08: dffffc0000000000 R09: fffffbfff124248a [ 169.843861][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a4661b20 [ 169.851830][ C1] R13: dffffc0000000000 R14: 1ffff110148cc364 R15: ffff888090b6f4b8 [ 169.859835][ C1] put_task_stack+0xa3/0x130 [ 169.864418][ C1] finish_task_switch+0x3f1/0x550 [ 169.869438][ C1] __schedule+0x9a8/0xcc0 [ 169.873767][ C1] schedule+0x181/0x210 [ 169.877917][ C1] worker_thread+0x10d6/0x1630 [ 169.882692][ C1] kthread+0x332/0x350 [ 169.886749][ C1] ? rcu_lock_release+0x30/0x30 [ 169.891691][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.896414][ C1] ret_from_fork+0x24/0x30