[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.375286][ T24] audit: type=1800 audit(1578472335.705:25): pid=8298 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.401620][ T24] audit: type=1800 audit(1578472335.705:26): pid=8298 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.447160][ T24] audit: type=1800 audit(1578472335.705:27): pid=8298 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 '10.128.0.207' (ECDSA) to the list of known hosts. 2020/01/08 08:32:28 fuzzer started 2020/01/08 08:32:30 dialing manager at 10.128.0.26:35703 2020/01/08 08:32:30 syscalls: 2824 2020/01/08 08:32:30 code coverage: enabled 2020/01/08 08:32:30 comparison tracing: enabled 2020/01/08 08:32:30 extra coverage: enabled 2020/01/08 08:32:30 setuid sandbox: enabled 2020/01/08 08:32:30 namespace sandbox: enabled 2020/01/08 08:32:30 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:32:30 fault injection: enabled 2020/01/08 08:32:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:32:30 net packet injection: enabled 2020/01/08 08:32:30 net device setup: enabled 2020/01/08 08:32:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:32:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:32:31 executing program 0: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmmsg$inet(r0, &(0x7f0000002a00)=[{{&(0x7f0000000000)={0x2, 0x0, @loopback}, 0x10, &(0x7f0000000140)=[{&(0x7f0000000040)="b4a06d4886f0e4fa", 0x8}], 0x1, &(0x7f0000000180)=[@ip_tos_int={{0x14}}], 0x18}}, {{&(0x7f00000001c0)={0x2, 0x0, @remote}, 0x10, 0x0}}], 0x2, 0x0) 08:32:31 executing program 1: creat(&(0x7f0000000040)='./file1\x00', 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x200200, 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f00000003c0)='autofs\x00', 0x0, &(0x7f0000000400)) syzkaller login: [ 60.999188][ T8461] IPVS: ftp: loaded support on port[0] = 21 08:32:31 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000003c0)={0x2c, 0x31, 0x829, 0x0, 0x0, {0x2, 0x1000000}, [@nested={0x18}]}, 0x2c}, 0x1, 0xffffff7f0e000000}, 0x0) [ 61.170046][ T8461] chnl_net:caif_netlink_parms(): no params data found [ 61.183113][ T8463] IPVS: ftp: loaded support on port[0] = 21 [ 61.295324][ T8461] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.321447][ T8461] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.329138][ T8461] device bridge_slave_0 entered promiscuous mode [ 61.347770][ T8461] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.355707][ T8461] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.363835][ T8461] device bridge_slave_1 entered promiscuous mode [ 61.394651][ T8466] IPVS: ftp: loaded support on port[0] = 21 [ 61.419027][ T8461] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.459836][ T8461] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.491657][ T8463] chnl_net:caif_netlink_parms(): no params data found 08:32:31 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newlink={0x58, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_VFINFO_LIST={0x30, 0x16, [{0x2c, 0x1, [@IFLA_VF_MAC={0x28, 0x1, {0xfffffff8, @random="f570fd5f7ce7"}}]}]}, @IFLA_GROUP={0x8}]}, 0x58}}, 0x0) [ 61.512471][ T8461] team0: Port device team_slave_0 added [ 61.534341][ T8461] team0: Port device team_slave_1 added [ 61.634547][ T8461] device hsr_slave_0 entered promiscuous mode [ 61.702938][ T8461] device hsr_slave_1 entered promiscuous mode 08:32:32 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = fsopen(&(0x7f0000000100)='sysfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r2, 0x3, 0x0, 0x0, 0x0) [ 61.743245][ T8463] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.750333][ T8463] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.772412][ T8463] device bridge_slave_0 entered promiscuous mode [ 61.787274][ T8469] IPVS: ftp: loaded support on port[0] = 21 [ 61.817689][ T8463] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.838257][ T8463] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.864035][ T8463] device bridge_slave_1 entered promiscuous mode [ 61.911919][ T8463] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.961743][ T8463] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:32:32 executing program 5: r0 = socket(0x10, 0x2, 0x0) sendto(r0, &(0x7f0000000200)="120000001200e7ef007b1a3fcd00000000a1", 0x12, 0x0, 0x0, 0x0) recvmmsg(r0, &(0x7f00000037c0)=[{{&(0x7f00000004c0)=@ethernet={0x0, @random}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000040)=""/95, 0x31b}, {&(0x7f00000000c0)=""/85, 0x4e4}, {&(0x7f00000024c0)=""/4096, 0x1050}, {&(0x7f0000000400)=""/120, 0x78}, {&(0x7f0000000480)=""/60, 0xc6}, {&(0x7f0000000280)=""/77, 0x8}, {&(0x7f0000000540)=""/154, 0x9a}, {&(0x7f0000000340)=""/22, 0x1de}], 0x3a4, &(0x7f0000002400)=""/191, 0x1f9}}], 0x2e0, 0x6, &(0x7f0000003700)={0x77359400}) [ 62.079342][ T8466] chnl_net:caif_netlink_parms(): no params data found [ 62.112901][ T8463] team0: Port device team_slave_0 added [ 62.145598][ T8463] team0: Port device team_slave_1 added [ 62.180796][ T8474] IPVS: ftp: loaded support on port[0] = 21 [ 62.210769][ T8475] IPVS: ftp: loaded support on port[0] = 21 [ 62.224170][ T8466] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.233219][ T8466] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.240825][ T8466] device bridge_slave_0 entered promiscuous mode [ 62.250169][ T8466] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.257755][ T8466] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.265518][ T8466] device bridge_slave_1 entered promiscuous mode [ 62.334363][ T8463] device hsr_slave_0 entered promiscuous mode [ 62.381757][ T8463] device hsr_slave_1 entered promiscuous mode [ 62.441487][ T8463] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.449240][ T8463] Cannot create hsr debugfs directory [ 62.511119][ T8466] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.524451][ T8466] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.552141][ T8469] chnl_net:caif_netlink_parms(): no params data found [ 62.568794][ T8461] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.614795][ T8461] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.719102][ T8466] team0: Port device team_slave_0 added [ 62.725862][ T8461] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.806037][ T8461] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.874576][ T8466] team0: Port device team_slave_1 added [ 62.936344][ T8469] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.943597][ T8469] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.953469][ T8469] device bridge_slave_0 entered promiscuous mode [ 62.963219][ T8469] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.970307][ T8469] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.978208][ T8469] device bridge_slave_1 entered promiscuous mode [ 63.044206][ T8466] device hsr_slave_0 entered promiscuous mode [ 63.072085][ T8466] device hsr_slave_1 entered promiscuous mode [ 63.121445][ T8466] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.129491][ T8466] Cannot create hsr debugfs directory [ 63.220924][ T8469] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.262815][ T8463] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.314609][ T8469] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.330719][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 63.347972][ T8463] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.404391][ T8475] chnl_net:caif_netlink_parms(): no params data found [ 63.429768][ T8469] team0: Port device team_slave_0 added [ 63.447241][ T8463] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.486814][ T8463] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.557868][ T8469] team0: Port device team_slave_1 added [ 63.624214][ T8469] device hsr_slave_0 entered promiscuous mode [ 63.671661][ T8469] device hsr_slave_1 entered promiscuous mode [ 63.721511][ T8469] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.729105][ T8469] Cannot create hsr debugfs directory [ 63.774532][ T8475] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.782482][ T8475] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.790085][ T8475] device bridge_slave_0 entered promiscuous mode [ 63.804561][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.811808][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.819433][ T8474] device bridge_slave_0 entered promiscuous mode [ 63.828285][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.835537][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.843237][ T8474] device bridge_slave_1 entered promiscuous mode [ 63.850047][ T8466] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.894148][ T8466] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.943096][ T8475] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.950212][ T8475] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.958652][ T8475] device bridge_slave_1 entered promiscuous mode [ 63.981419][ T8466] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.019728][ T8466] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.090061][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.101475][ T8475] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.130110][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.148283][ T8475] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.207823][ T8461] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.220947][ T8474] team0: Port device team_slave_0 added [ 64.228956][ T8474] team0: Port device team_slave_1 added [ 64.238365][ T8475] team0: Port device team_slave_0 added [ 64.248845][ T8475] team0: Port device team_slave_1 added [ 64.279967][ T8461] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.294527][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.302984][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.364957][ T8475] device hsr_slave_0 entered promiscuous mode [ 64.412294][ T8475] device hsr_slave_1 entered promiscuous mode [ 64.471459][ T8475] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.479204][ T8475] Cannot create hsr debugfs directory [ 64.523180][ T8474] device hsr_slave_0 entered promiscuous mode [ 64.561721][ T8474] device hsr_slave_1 entered promiscuous mode [ 64.601439][ T8474] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.609071][ T8474] Cannot create hsr debugfs directory [ 64.626585][ T8469] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.677582][ T8463] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.705380][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.714216][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.722685][ T2675] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.729795][ T2675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.738230][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.750082][ T8469] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.827056][ T8469] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.878489][ T8469] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.924139][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.933535][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.942692][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.949769][ T8479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.989335][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.000042][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.008967][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.016889][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.034098][ T8463] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.051019][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.060252][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.068778][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.077306][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.085869][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.092966][ T8480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.100952][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.108852][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.141126][ T8461] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.152867][ T8461] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.169763][ T8466] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.186979][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.197720][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.206630][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.215627][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.224055][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.231103][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.238904][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.247235][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.256023][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.264498][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.272939][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.281020][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.308530][ T8463] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.319028][ T8463] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.345809][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.354718][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.367697][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.376203][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.385323][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.394446][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.403303][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.412001][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.420230][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.428563][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.436253][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.457229][ T8466] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.472367][ T8475] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.502744][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.510543][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.548891][ T8475] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.612715][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.620178][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.627982][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.636805][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.647085][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.654194][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.662090][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.669525][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.678289][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.686237][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.694972][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.703763][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.710855][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.723061][ T8469] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.733850][ T8463] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.742284][ T8461] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.750018][ T8474] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.783628][ T8474] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.853185][ T8475] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.907255][ T8469] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.915451][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.925851][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.937072][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.946325][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.955547][ T8474] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.994043][ T8474] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.043379][ T8475] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.117541][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.126714][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.138531][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.145656][ T8480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.153391][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.162575][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.170859][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.178029][ T8480] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.185950][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.194758][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.203451][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.212147][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.222085][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.236627][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.244833][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.254023][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.262239][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.269969][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.278124][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.293551][ T8461] device veth0_vlan entered promiscuous mode [ 66.302762][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.315601][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.323988][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.336517][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.345133][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.364885][ T8466] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.376063][ T8466] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.396538][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.405140][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.414463][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.422909][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.430999][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.439639][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.448669][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.456381][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.482389][ T8461] device veth1_vlan entered promiscuous mode [ 66.504664][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.514029][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.524224][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.533476][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.542366][ T8463] device veth0_vlan entered promiscuous mode [ 66.567261][ T8466] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.587951][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.596699][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.608438][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.617243][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.626607][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.634258][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.657918][ T8469] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.672819][ T8469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.703655][ T8463] device veth1_vlan entered promiscuous mode [ 66.710861][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.735270][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.744405][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.760418][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.769510][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.842463][ T8475] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.869166][ T8475] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.929053][ T8475] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.946090][ T8475] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.989503][ T8475] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 171.741305][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.748270][ C0] rcu: 0-...!: (10499 ticks this GP) idle=832/1/0x4000000000000002 softirq=11326/11327 fqs=12 [ 171.758909][ C0] (t=10501 jiffies g=6937 q=533) [ 171.763926][ C0] rcu: rcu_preempt kthread starved for 10476 jiffies! g6937 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 171.775268][ C0] rcu: RCU grace-period kthread stack dump: [ 171.781148][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 171.789818][ C0] Call Trace: [ 171.793104][ C0] __schedule+0x9a0/0xcc0 [ 171.797438][ C0] schedule+0x181/0x210 [ 171.801586][ C0] schedule_timeout+0x14f/0x240 [ 171.806441][ C0] ? run_local_timers+0x120/0x120 [ 171.811462][ C0] rcu_gp_kthread+0xed8/0x1770 [ 171.816223][ C0] kthread+0x332/0x350 [ 171.820278][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 171.825378][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.830047][ C0] ret_from_fork+0x24/0x30 [ 171.834468][ C0] NMI backtrace for cpu 0 [ 171.838789][ C0] CPU: 0 PID: 4116 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 171.846589][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.856688][ C0] Call Trace: [ 171.860064][ C0] [ 171.862921][ C0] dump_stack+0x1fb/0x318 [ 171.867246][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.872090][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.878253][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.884318][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.890296][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.896178][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.901288][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.906478][ C0] ? trace_hardirqs_off+0x74/0x80 [ 171.911505][ C0] update_process_times+0x12d/0x180 [ 171.916781][ C0] tick_sched_timer+0x263/0x420 [ 171.921628][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.927173][ C0] __hrtimer_run_queues+0x403/0x840 [ 171.932406][ C0] hrtimer_interrupt+0x38c/0xda0 [ 171.937349][ C0] ? debug_smp_processor_id+0x9/0x20 [ 171.942645][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 171.948182][ C0] apic_timer_interrupt+0xf/0x20 [ 171.953121][ C0] [ 171.956050][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 171.962206][ C0] Code: 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 171.981798][ C0] RSP: 0018:ffffc90001957ad8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.990369][ C0] RAX: ffffffff814896c6 RBX: ffffea00025ec640 RCX: ffff88809468a240 [ 171.998437][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025ec640 [ 172.006407][ C0] RBP: ffffc90001957b00 R08: 000000000003a728 R09: ffffed10147f56c9 [ 172.014391][ C0] R10: ffffed10147f56c9 R11: 0000000000000000 R12: ffff8880a8a3f520 [ 172.022352][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a3fab638 [ 172.030340][ C0] ? mod_memcg_page_state+0x16/0x190 [ 172.035621][ C0] ? free_thread_stack+0x124/0x590 [ 172.040722][ C0] ? mod_memcg_page_state+0x16/0x190 [ 172.045998][ C0] free_thread_stack+0x168/0x590 [ 172.050944][ C0] put_task_stack+0xa3/0x130 [ 172.055527][ C0] finish_task_switch+0x3f1/0x550 [ 172.060549][ C0] __schedule+0x9a8/0xcc0 [ 172.064879][ C0] schedule+0x181/0x210 [ 172.069026][ C0] schedule_hrtimeout_range_clock+0x108/0x510 [ 172.075084][ C0] ? _raw_spin_unlock_irq+0x22/0x80 [ 172.080274][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 172.085640][ C0] ep_poll+0xa4d/0xe80 [ 172.089709][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 172.095070][ C0] ? do_task_dead+0xc0/0xc0 [ 172.099567][ C0] do_epoll_wait+0x1ee/0x260 [ 172.104146][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 172.109162][ C0] do_syscall_64+0xf7/0x1c0 [ 172.113659][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.119538][ C0] RIP: 0033:0x7fb13eee2943 [ 172.123940][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 172.143710][ C0] RSP: 002b:00007ffc66b2e078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 172.152106][ C0] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fb13eee2943 [ 172.160239][ C0] RDX: 0000000000000008 RSI: 00007ffc66b2e170 RDI: 000000000000000a [ 172.168215][ C0] RBP: 0000000001dac0d0 R08: 0000000000000000 R09: 0000000000000001 [ 172.176260][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 172.184220][ C0] R13: 0000000000000010 R14: 0000000001dac570 R15: 0000000001d93250