[ 42.300397][ T23] audit: type=1800 audit(1575447807.186:27): pid=7972 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.328665][ T23] audit: type=1800 audit(1575447807.196:28): pid=7972 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 42.895983][ T23] audit: type=1800 audit(1575447807.856:29): pid=7972 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.915206][ T23] audit: type=1800 audit(1575447807.856:30): pid=7972 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. 2019/12/04 08:23:38 fuzzer started 2019/12/04 08:23:39 dialing manager at 10.128.0.26:36481 2019/12/04 08:23:39 syscalls: 2691 2019/12/04 08:23:39 code coverage: enabled 2019/12/04 08:23:39 comparison tracing: enabled 2019/12/04 08:23:39 extra coverage: extra coverage is not supported by the kernel 2019/12/04 08:23:39 setuid sandbox: enabled 2019/12/04 08:23:39 namespace sandbox: enabled 2019/12/04 08:23:39 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 08:23:39 fault injection: enabled 2019/12/04 08:23:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 08:23:39 net packet injection: enabled 2019/12/04 08:23:39 net device setup: enabled 2019/12/04 08:23:39 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 08:23:39 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:23:40 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0800b5055e0bcfe87b0071") r1 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000080)='syz_tun\x00', 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x0, @multicast1}, 0x10) r2 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r2, 0x0, 0x27, &(0x7f00000000c0)={@multicast1, @local, @broadcast}, 0xc) setsockopt$inet_mreqn(r1, 0x0, 0x20, 0x0, 0x4) 08:23:40 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000000)=@ipx, 0x80, 0x0, 0x0, 0x0, 0x389}}], 0x1, 0x0, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) arch_prctl$ARCH_MAP_VDSO_64(0x2003, 0x1) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f00000000c0)={@dev}, 0x20) r1 = syz_open_procfs(0x0, &(0x7f0000000340)='net/anycast6\x00') preadv(r1, &(0x7f00000017c0), 0x3a8, 0x4000) syzkaller login: [ 55.416281][ T8135] IPVS: ftp: loaded support on port[0] = 21 08:23:40 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x2, 0x0) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x1, 0xa1c4089a3d02ca51, r3, 0x0) [ 55.552435][ T8138] IPVS: ftp: loaded support on port[0] = 21 [ 55.579564][ T8135] chnl_net:caif_netlink_parms(): no params data found [ 55.675221][ T8135] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.691700][ T8135] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.699588][ T8135] device bridge_slave_0 entered promiscuous mode [ 55.733135][ T8135] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.740297][ T8135] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.761479][ T8135] device bridge_slave_1 entered promiscuous mode 08:23:40 executing program 3: r0 = socket$inet6(0xa, 0x802, 0x0) sendmmsg$inet6(r0, &(0x7f00000006c0)=[{{&(0x7f0000000040)={0xa, 0x4e22, 0x0, @remote}, 0x1c, 0x0, 0x0, &(0x7f00000000c0)=[@tclass={{0x14}}, @flowinfo={{0x14}}], 0x30}}], 0x1, 0x0) [ 55.806125][ T8135] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.834763][ T8141] IPVS: ftp: loaded support on port[0] = 21 [ 55.845403][ T8135] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.859587][ T8138] chnl_net:caif_netlink_parms(): no params data found [ 55.915779][ T8135] team0: Port device team_slave_0 added [ 55.941809][ T8135] team0: Port device team_slave_1 added [ 56.003111][ T8138] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.010209][ T8138] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.022492][ T8138] device bridge_slave_0 entered promiscuous mode 08:23:41 executing program 4: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000600)=ANY=[@ANYBLOB="1500000065ffff0180000008003950323030302e4c96ef15640cf8bc693f5ec9154a614f0400000000000000016598578744eceed1a85ca910af916429f33c047f88127d19a042b3e8f99ffba79e9ef678f641f1f7f4270ba9867067b74515bab0db5fc04e81ea03210a957dd4131b475a6825ed0234cd3da775ef1ed78a9b1338346c4aa5691432b91d910f931ccfff"], 0x15) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup3(r2, r3, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = dup(r1) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_CREATE_OPEN(r5, &(0x7f0000000400)={0xa0}, 0xa0) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000300)='9p\x00', 0x0, &(0x7f00000005c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r5]) mknod$loop(&(0x7f0000000000)='./file0/file0\x00', 0x0, 0x0) [ 56.063279][ T8135] device hsr_slave_0 entered promiscuous mode [ 56.122216][ T8135] device hsr_slave_1 entered promiscuous mode [ 56.213077][ T8138] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.220170][ T8138] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.230033][ T8143] IPVS: ftp: loaded support on port[0] = 21 [ 56.241613][ T8138] device bridge_slave_1 entered promiscuous mode 08:23:41 executing program 5: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000080)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x1}) mremap(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x1000, 0x3, &(0x7f0000a62000/0x1000)=nil) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) close(r0) [ 56.347824][ T8138] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.377705][ T8145] IPVS: ftp: loaded support on port[0] = 21 [ 56.389027][ T8138] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.405786][ T8135] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.464690][ T8135] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.522824][ T8141] chnl_net:caif_netlink_parms(): no params data found [ 56.543979][ T8138] team0: Port device team_slave_0 added [ 56.552279][ T8138] team0: Port device team_slave_1 added [ 56.553872][ T8148] IPVS: ftp: loaded support on port[0] = 21 [ 56.566764][ T8135] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.605313][ T8135] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.733435][ T8138] device hsr_slave_0 entered promiscuous mode [ 56.771050][ T8138] device hsr_slave_1 entered promiscuous mode [ 56.820723][ T8138] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.855871][ T8141] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.864260][ T8141] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.871989][ T8141] device bridge_slave_0 entered promiscuous mode [ 56.884095][ T8141] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.891322][ T8141] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.901899][ T8141] device bridge_slave_1 entered promiscuous mode [ 56.935692][ T8141] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.954712][ T8141] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.037743][ T8141] team0: Port device team_slave_0 added [ 57.045132][ T8141] team0: Port device team_slave_1 added [ 57.053645][ T8138] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.111897][ T8143] chnl_net:caif_netlink_parms(): no params data found [ 57.120291][ T8138] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.187866][ T8138] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.243606][ T8138] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.352411][ T8141] device hsr_slave_0 entered promiscuous mode [ 57.410988][ T8141] device hsr_slave_1 entered promiscuous mode [ 57.461067][ T8141] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.486375][ T8145] chnl_net:caif_netlink_parms(): no params data found [ 57.539903][ T8143] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.547567][ T8143] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.555402][ T8143] device bridge_slave_0 entered promiscuous mode [ 57.565686][ T8143] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.573155][ T8143] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.580808][ T8143] device bridge_slave_1 entered promiscuous mode [ 57.597493][ T8145] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.605373][ T8145] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.613393][ T8145] device bridge_slave_0 entered promiscuous mode [ 57.621875][ T8145] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.628989][ T8145] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.637325][ T8145] device bridge_slave_1 entered promiscuous mode [ 57.663782][ T8143] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.674995][ T8143] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.705140][ T8145] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.718213][ T8145] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.738295][ T8143] team0: Port device team_slave_0 added [ 57.761416][ T8143] team0: Port device team_slave_1 added [ 57.769065][ T8148] chnl_net:caif_netlink_parms(): no params data found [ 57.781009][ T8141] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.827569][ T8141] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.873487][ T8141] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.912385][ T8141] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.979986][ T8145] team0: Port device team_slave_0 added [ 58.018852][ T8148] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.026332][ T8148] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.035096][ T8148] device bridge_slave_0 entered promiscuous mode [ 58.043354][ T8145] team0: Port device team_slave_1 added [ 58.049094][ T8148] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.056653][ T8148] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.064519][ T8148] device bridge_slave_1 entered promiscuous mode [ 58.133558][ T8143] device hsr_slave_0 entered promiscuous mode [ 58.171071][ T8143] device hsr_slave_1 entered promiscuous mode [ 58.220758][ T8143] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.293495][ T8145] device hsr_slave_0 entered promiscuous mode [ 58.351031][ T8145] device hsr_slave_1 entered promiscuous mode [ 58.390757][ T8145] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.402132][ T8135] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.434249][ T8143] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.476070][ T8148] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.493057][ T8143] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.535304][ T8143] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.585960][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.594475][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.604917][ T8135] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.613530][ T8148] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.637034][ T8143] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.705518][ T8148] team0: Port device team_slave_0 added [ 58.714684][ T8148] team0: Port device team_slave_1 added [ 58.731782][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.740834][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.749235][ T3183] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.756532][ T3183] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.766245][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.797541][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.806001][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.815098][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.822182][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.829935][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.839054][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.903292][ T8148] device hsr_slave_0 entered promiscuous mode [ 58.930891][ T8148] device hsr_slave_1 entered promiscuous mode [ 58.981093][ T8148] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.988673][ T8145] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.044153][ T8145] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.097721][ T8141] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.111410][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.120060][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.130115][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.140296][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.150025][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.164475][ T8138] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.175249][ T8145] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.203057][ T8145] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.255657][ T8135] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.267824][ T8135] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.279657][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.290099][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.299650][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.308431][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.319540][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.335953][ T8141] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.355973][ T8138] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.366414][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.374759][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.382879][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.391179][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.439137][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.448771][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.458166][ T3183] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.465263][ T3183] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.473431][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.481311][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.488707][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.497472][ T3183] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.505856][ T3183] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.512927][ T3183] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.520402][ T8148] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.562750][ T8148] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.604409][ T8148] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.654339][ T8148] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.723398][ T8153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.732186][ T8153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.739896][ T8153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.749495][ T8153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.757873][ T8153] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.764926][ T8153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.773132][ T8153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.786814][ T8135] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.826684][ T8143] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.834827][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.844243][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.855379][ T8149] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.862479][ T8149] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.870098][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.880199][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.888651][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.897069][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.905608][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.914146][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.922810][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.931052][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.939054][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.947445][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.955846][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.975148][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.020919][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.028365][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.046024][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.054804][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.063505][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.071961][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.080474][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.089127][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.097802][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.110160][ T8138] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.157005][ T8141] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.173438][ T8141] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.205216][ T8141] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.030590][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.037572][ C0] rcu: 0-....: (10499 ticks this GP) idle=d52/1/0x4000000000000002 softirq=10979/10979 fqs=2767 [ 165.048460][ C0] (t=10501 jiffies g=6085 q=471) [ 165.053577][ C0] rcu: rcu_preempt kthread starved for 4967 jiffies! g6085 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.064710][ C0] rcu: RCU grace-period kthread stack dump: [ 165.070607][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.078602][ C0] Call Trace: [ 165.082339][ C0] __schedule+0x9a0/0xcc0 [ 165.086678][ C0] schedule+0x181/0x210 [ 165.090853][ C0] schedule_timeout+0x14f/0x240 [ 165.095973][ C0] ? run_local_timers+0x120/0x120 [ 165.101004][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.105773][ C0] kthread+0x332/0x350 [ 165.109842][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.115084][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.119679][ C0] ret_from_fork+0x24/0x30 [ 165.124113][ C0] NMI backtrace for cpu 0 [ 165.128470][ C0] CPU: 0 PID: 8135 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 165.136786][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.146834][ C0] Call Trace: [ 165.150114][ C0] [ 165.152967][ C0] dump_stack+0x1fb/0x318 [ 165.157304][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.162156][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.168307][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.174373][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.180450][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.186339][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.191452][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.196692][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.201719][ C0] update_process_times+0x12d/0x180 [ 165.206913][ C0] tick_sched_timer+0x263/0x420 [ 165.211755][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.217303][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.222634][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.227590][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.232873][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.238418][ C0] apic_timer_interrupt+0xf/0x20 [ 165.243347][ C0] [ 165.246282][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 165.252438][ C0] Code: 00 00 00 48 8b 3d f4 3c cd 07 48 89 de e8 d4 01 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 84 8b 7e c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 [ 165.272042][ C0] RSP: 0018:ffffc90002127730 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.280451][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff88809869a540 [ 165.288420][ C0] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea00029ec3c0 [ 165.296392][ C0] RBP: ffffc90002127758 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.304460][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 165.312451][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a71876a8 [ 165.320521][ C0] ? mod_memcg_page_state+0x123/0x190 [ 165.325895][ C0] ? mod_memcg_page_state+0x123/0x190 [ 165.331275][ C0] free_thread_stack+0x168/0x590 [ 165.336236][ C0] put_task_stack+0xa3/0x130 [ 165.340932][ C0] finish_task_switch+0x3f1/0x550 [ 165.346018][ C0] __schedule+0x9a8/0xcc0 [ 165.350365][ C0] ? ___preempt_schedule+0x16/0x18 [ 165.355474][ C0] preempt_schedule+0xdb/0x120 [ 165.360366][ C0] ___preempt_schedule+0x16/0x18 [ 165.365339][ C0] _raw_spin_unlock+0x3a/0x40 [ 165.370201][ C0] copy_page_range+0x2487/0x29a0 [ 165.375208][ C0] ? __vma_link_rb+0x839/0x860 [ 165.380047][ C0] dup_mmap+0xa01/0xe00 [ 165.384210][ C0] dup_mm+0x9e/0x340 [ 165.388101][ C0] copy_process+0x1e49/0x5510 [ 165.392801][ C0] _do_fork+0x13e/0x660 [ 165.396954][ C0] ? check_preemption_disabled+0xb4/0x260 [ 165.402846][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.408125][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 165.413497][ C0] __x64_sys_clone+0x20b/0x250 [ 165.418274][ C0] do_syscall_64+0xf7/0x1c0 [ 165.422884][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.428948][ C0] RIP: 0033:0x458c4a [ 165.432839][ C0] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 165.452478][ C0] RSP: 002b:00007fff995b4e40 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 165.460888][ C0] RAX: ffffffffffffffda RBX: 00007fff995b4e40 RCX: 0000000000458c4a [ 165.468996][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 165.476965][ C0] RBP: 00007fff995b4e80 R08: 0000000000000001 R09: 0000000001a1b940 [ 165.484934][ C0] R10: 0000000001a1bc10 R11: 0000000000000246 R12: 0000000000000001 [ 165.492901][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff995b4ed0