[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.953059][ T23] audit: type=1800 audit(1578450830.845:25): pid=8421 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.985228][ T23] audit: type=1800 audit(1578450830.845:26): pid=8421 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.028067][ T23] audit: type=1800 audit(1578450830.845:27): pid=8421 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 '10.128.0.86' (ECDSA) to the list of known hosts. 2020/01/08 02:33:59 fuzzer started 2020/01/08 02:34:01 dialing manager at 10.128.0.26:35703 2020/01/08 02:34:01 syscalls: 2824 2020/01/08 02:34:01 code coverage: enabled 2020/01/08 02:34:01 comparison tracing: enabled 2020/01/08 02:34:01 extra coverage: enabled 2020/01/08 02:34:01 setuid sandbox: enabled 2020/01/08 02:34:01 namespace sandbox: enabled 2020/01/08 02:34:01 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:34:01 fault injection: enabled 2020/01/08 02:34:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:34:01 net packet injection: enabled 2020/01/08 02:34:01 net device setup: enabled 2020/01/08 02:34:01 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:34:01 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:34:02 executing program 0: syz_open_procfs(0x0, &(0x7f0000000080)='schedstat\x00') r0 = memfd_create(&(0x7f0000000440)='\xb3\x17MS\xdb\xe0\x91~\xd8\x10\xb3\xd4\x9b\xfa\xdc\x1c\xb2\xc7\xdcp<\xefB\x05J\xe4cE\xbe\xd1C\xb5J\x16\'\xfb~\xfa\xfd\xbd\xdb\xc5\'\x8dmm\x9d\x9d\x1cv\x91y\xca\xec\xc7\xa5\xfa\xdf\xdc\xa7&!^\xac\x89a\x8c4\xa6\x85~e< \xc8d\xc4\xce\x7f\xb80\xd3\x03\x97\xea\x98\xfb.x\x1a3\x17\r\x00\xc8\xd0G\x1dq\x9c\x90g7$S8Sw:(+\xd6x$\xd4\xb2L\xf8\xf0<\n-\xe6\xb1\x0e&f\xec{YP%f\x02,M@a{\xe1\xeb*\x93\t', 0x0) write$FUSE_DIRENT(r0, &(0x7f0000000080)=ANY=[], 0x29) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x81, 0x11, r0, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000000)={&(0x7f0000ffd000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, 0x0}, 0x68) 02:34:02 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x254, &(0x7f0000000200)={&(0x7f0000000340)=@newlink={0x50, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_AF_SPEC={0x28}, @IFLA_GROUP={0x8}]}, 0x50}}, 0x0) syzkaller login: [ 64.669124][ T8588] IPVS: ftp: loaded support on port[0] = 21 [ 64.750647][ T8590] IPVS: ftp: loaded support on port[0] = 21 02:34:02 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000440)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2b8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000000)={0x1, {{0xa, 0x0, 0x0, @mcast2}}, {{0xa, 0x0, 0x0, @ipv4={[], [], @multicast2}}}}, 0x124) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r1, &(0x7f0000000100), 0x18d, 0x6c00) [ 64.900732][ T8588] chnl_net:caif_netlink_parms(): no params data found [ 64.990503][ T8590] chnl_net:caif_netlink_parms(): no params data found [ 65.014980][ T8594] IPVS: ftp: loaded support on port[0] = 21 [ 65.035122][ T8588] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.043606][ T8588] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.053000][ T8588] device bridge_slave_0 entered promiscuous mode [ 65.079688][ T8588] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.086913][ T8588] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.095077][ T8588] device bridge_slave_1 entered promiscuous mode 02:34:03 executing program 3: r0 = msgget$private(0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, r2, 0x0) msgctl$IPC_RMID(r0, 0x0) [ 65.132849][ T8590] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.158091][ T8590] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.166347][ T8590] device bridge_slave_0 entered promiscuous mode [ 65.211006][ T8588] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.222793][ T8590] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.232382][ T8590] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.245377][ T8590] device bridge_slave_1 entered promiscuous mode [ 65.257401][ T8588] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.302072][ T8590] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.342602][ T8590] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.363100][ T8588] team0: Port device team_slave_0 added [ 65.382536][ T8590] team0: Port device team_slave_0 added [ 65.399206][ T8588] team0: Port device team_slave_1 added [ 65.426262][ T8590] team0: Port device team_slave_1 added [ 65.470280][ T8594] chnl_net:caif_netlink_parms(): no params data found [ 65.498275][ T8596] IPVS: ftp: loaded support on port[0] = 21 02:34:03 executing program 4: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) getsockopt$bt_sco_SCO_CONNINFO(r0, 0x11, 0x2, 0x0, 0xffffffffffffffff) [ 65.551046][ T8590] device hsr_slave_0 entered promiscuous mode [ 65.608319][ T8590] device hsr_slave_1 entered promiscuous mode 02:34:03 executing program 5: r0 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x2, 0x0) ioctl$SNDRV_RAWMIDI_IOCTL_PVERSION(r0, 0x40045730, &(0x7f0000000400)) [ 65.703555][ T8588] device hsr_slave_0 entered promiscuous mode [ 65.758757][ T8588] device hsr_slave_1 entered promiscuous mode [ 65.801130][ T8588] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.809386][ T8588] Cannot create hsr debugfs directory [ 65.867795][ T8594] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.875844][ T8594] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.884521][ T8594] device bridge_slave_0 entered promiscuous mode [ 65.895337][ T8594] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.902616][ T8594] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.910987][ T8594] device bridge_slave_1 entered promiscuous mode [ 65.925073][ T8599] IPVS: ftp: loaded support on port[0] = 21 [ 65.965048][ T8594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.977019][ T8594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.033741][ T8594] team0: Port device team_slave_0 added [ 66.057306][ T8601] IPVS: ftp: loaded support on port[0] = 21 [ 66.078900][ T8594] team0: Port device team_slave_1 added [ 66.141819][ T8590] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.240943][ T8594] device hsr_slave_0 entered promiscuous mode [ 66.308589][ T8594] device hsr_slave_1 entered promiscuous mode [ 66.358182][ T8594] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.367042][ T8594] Cannot create hsr debugfs directory [ 66.389571][ T8590] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.451109][ T8590] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.514664][ T8590] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.617693][ T8588] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.671207][ T8588] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.780994][ T8588] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.849496][ T8588] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.938112][ T8596] chnl_net:caif_netlink_parms(): no params data found [ 66.951224][ T8601] chnl_net:caif_netlink_parms(): no params data found [ 66.966916][ T8599] chnl_net:caif_netlink_parms(): no params data found [ 67.045969][ T8601] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.054604][ T8601] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.063095][ T8601] device bridge_slave_0 entered promiscuous mode [ 67.092490][ T8596] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.101126][ T8596] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.109433][ T8596] device bridge_slave_0 entered promiscuous mode [ 67.117063][ T8601] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.125980][ T8601] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.135271][ T8601] device bridge_slave_1 entered promiscuous mode [ 67.165920][ T8594] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.210034][ T8596] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.217104][ T8596] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.224875][ T8596] device bridge_slave_1 entered promiscuous mode [ 67.250920][ T8599] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.258162][ T8599] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.266020][ T8599] device bridge_slave_0 entered promiscuous mode [ 67.274138][ T8594] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.323954][ T8594] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.380477][ T8594] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.431382][ T8601] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.443041][ T8601] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.452466][ T8599] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.459627][ T8599] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.467216][ T8599] device bridge_slave_1 entered promiscuous mode [ 67.475600][ T8596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.495184][ T8596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.515647][ T8596] team0: Port device team_slave_0 added [ 67.539377][ T8599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.550261][ T8596] team0: Port device team_slave_1 added [ 67.566498][ T8601] team0: Port device team_slave_0 added [ 67.575811][ T8601] team0: Port device team_slave_1 added [ 67.588495][ T8590] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.603739][ T8599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.680874][ T8601] device hsr_slave_0 entered promiscuous mode [ 67.718441][ T8601] device hsr_slave_1 entered promiscuous mode [ 67.758121][ T8601] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.766139][ T8601] Cannot create hsr debugfs directory [ 67.807907][ T8599] team0: Port device team_slave_0 added [ 67.831785][ T8590] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.849599][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.857628][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.900817][ T8596] device hsr_slave_0 entered promiscuous mode [ 67.938478][ T8596] device hsr_slave_1 entered promiscuous mode [ 67.978089][ T8596] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.985678][ T8596] Cannot create hsr debugfs directory [ 67.993414][ T8599] team0: Port device team_slave_1 added [ 68.050911][ T8599] device hsr_slave_0 entered promiscuous mode [ 68.098432][ T8599] device hsr_slave_1 entered promiscuous mode [ 68.138123][ T8599] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.145856][ T8599] Cannot create hsr debugfs directory [ 68.161399][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.171218][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.179887][ T3154] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.187058][ T3154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.195156][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.204010][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.212443][ T3154] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.219546][ T3154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.259114][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.279937][ T8588] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.309626][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.321353][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.351465][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.364078][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.372851][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.406418][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.416878][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.425491][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.434248][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.451612][ T8588] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.470412][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.478331][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.492205][ T8590] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.509299][ T8590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.533987][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.547036][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.556064][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.564911][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.573538][ T2850] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.580750][ T2850] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.589103][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.598338][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.607657][ T2850] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.614787][ T2850] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.623456][ T8596] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.697036][ T8601] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.740966][ T3163] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.762663][ T8596] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.802181][ T8596] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.859649][ T8601] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.916394][ T8594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.924727][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.933765][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.942457][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.950325][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.961356][ T8596] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.020048][ T8601] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.063534][ T8590] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.076521][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.085911][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.094948][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.103639][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.113038][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.124724][ T8601] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.187902][ T8594] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.199779][ T8599] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.240952][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.248794][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.257188][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.265908][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.274670][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.283400][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.291742][ T3154] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.299065][ T3154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.312443][ T8588] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.324078][ T8588] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.347854][ T8599] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.371455][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.379422][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.388053][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.396304][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.404999][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.413731][ T3154] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.420853][ T3154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.450059][ T8599] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.491480][ T8599] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.558536][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.567169][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.576251][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.584971][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.593812][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.602464][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.620929][ T8588] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.636087][ T8590] device veth0_vlan entered promiscuous mode [ 69.645065][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.653376][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.660971][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.668775][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.677182][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.685683][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.694324][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.702617][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.710855][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.723758][ T8594] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.735710][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.751967][ T8590] device veth1_vlan entered promiscuous mode [ 69.770055][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.778950][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.786651][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.795755][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.803773][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.812192][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.854534][ T3163] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.868941][ T3163] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.884908][ T8588] device veth0_vlan entered promiscuous mode [ 69.926429][ T8601] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.935778][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.945369][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.954425][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.962904][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.970617][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.978774][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.990895][ T8594] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.032497][ T8601] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.046292][ T8588] device veth1_vlan entered promiscuous mode [ 70.072587][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.093801][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.107154][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.172661][ T8594] device veth0_vlan entered promiscuous mode [ 70.193725][ T8594] device veth1_vlan entered promiscuous mode [ 175.077972][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.084745][ C0] rcu: 0-....: (10499 ticks this GP) idle=bd6/1/0x4000000000000002 softirq=14558/14558 fqs=2749 [ 175.095699][ C0] (t=10500 jiffies g=6901 q=423) [ 175.100731][ C0] rcu: rcu_preempt kthread starved for 4987 jiffies! g6901 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.111740][ C0] rcu: RCU grace-period kthread stack dump: [ 175.117635][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 175.125543][ C0] Call Trace: [ 175.128836][ C0] __schedule+0x9a0/0xcc0 [ 175.133173][ C0] schedule+0x181/0x210 [ 175.137496][ C0] schedule_timeout+0x14f/0x240 [ 175.142435][ C0] ? run_local_timers+0x120/0x120 [ 175.147475][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.152240][ C0] kthread+0x332/0x350 [ 175.156297][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.161407][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.165984][ C0] ret_from_fork+0x24/0x30 [ 175.170400][ C0] NMI backtrace for cpu 0 [ 175.174717][ C0] CPU: 0 PID: 8606 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.183282][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.193331][ C0] Call Trace: [ 175.196603][ C0] [ 175.199442][ C0] dump_stack+0x1fb/0x318 [ 175.203764][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.208604][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.214746][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.220827][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.226796][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.232675][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.237779][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.242988][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.248018][ C0] update_process_times+0x12d/0x180 [ 175.253219][ C0] tick_sched_timer+0x263/0x420 [ 175.258163][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.263701][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.268908][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.273859][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.279142][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.284697][ C0] apic_timer_interrupt+0xf/0x20 [ 175.289641][ C0] [ 175.292595][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 [ 175.298652][ C0] Code: 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 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 [ 175.318241][ C0] RSP: 0018:ffffc90002627e38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.326637][ C0] RAX: ffffffff81489244 RBX: ffffea00024cc680 RCX: ffff8880a3ae0480 [ 175.334599][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024cc680 [ 175.342644][ C0] RBP: ffffc90002627e78 R08: dffffc0000000000 R09: fffffbfff124248a [ 175.350606][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809469f0a0 [ 175.358578][ C0] R13: dffffc0000000000 R14: 1ffff110128d3e14 R15: ffff8880a74754f8 [ 175.366562][ C0] ? free_thread_stack+0x124/0x590 [ 175.371683][ C0] ? free_thread_stack+0x124/0x590 [ 175.376805][ C0] put_task_stack+0xa3/0x130 [ 175.381411][ C0] finish_task_switch+0x3f1/0x550 [ 175.386434][ C0] schedule_tail+0x20/0x1a0 [ 175.390957][ C0] ret_from_fork+0x8/0x30 [ 175.395283][ C0] RIP: 0033:0x45951a [ 175.399256][ C0] Code: Bad RIP value. [ 175.403307][ C0] RSP: 002b:00007ffc48d86c90 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 175.411702][ C0] RAX: 0000000000000000 RBX: 00007ffc48d86c90 RCX: 000000000045951a [ 175.419674][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 175.427634][ C0] RBP: 00007ffc48d86cd0 R08: 0000000000000001 R09: 000000000272e940 [ 175.435589][ C0] R10: 000000000272ec10 R11: 0000000000000246 R12: 0000000000000001 [ 175.443551][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc48d86d20