[ 44.475200][ T25] audit: type=1800 audit(1575429350.243:26): pid=8051 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.501139][ T25] audit: type=1800 audit(1575429350.243:27): pid=8051 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.520766][ T25] audit: type=1800 audit(1575429350.243:28): pid=8051 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. [ 45.307625][ T25] audit: type=1800 audit(1575429351.113:29): pid=8051 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.244' (ECDSA) to the list of known hosts. 2019/12/04 03:15:57 fuzzer started 2019/12/04 03:15:59 dialing manager at 10.128.0.26:42111 2019/12/04 03:15:59 syscalls: 2689 2019/12/04 03:15:59 code coverage: enabled 2019/12/04 03:15:59 comparison tracing: enabled 2019/12/04 03:15:59 extra coverage: extra coverage is not supported by the kernel 2019/12/04 03:15:59 setuid sandbox: enabled 2019/12/04 03:15:59 namespace sandbox: enabled 2019/12/04 03:15:59 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 03:15:59 fault injection: enabled 2019/12/04 03:15:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 03:15:59 net packet injection: enabled 2019/12/04 03:15:59 net device setup: enabled 2019/12/04 03:15:59 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 03:15:59 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:16:00 executing program 0: r0 = syz_open_dev$sg(&(0x7f0000000340)='/dev/sg#\x00', 0x0, 0x0) ioctl$SG_IO(r0, 0x1267, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, @scatter={0x0, 0x131, 0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700, 0x0, 0xc070d3f500000000}) 03:16:00 executing program 1: sendmsg(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000009ff0)=[{0x0}], 0x1}, 0x0) r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f0000000040)={&(0x7f0000000000)=""/14, 0x20000, 0x1000, 0x1fffff}, 0x222) syzkaller login: [ 54.813661][ T8219] IPVS: ftp: loaded support on port[0] = 21 [ 54.990796][ T8219] chnl_net:caif_netlink_parms(): no params data found [ 54.992798][ T8222] IPVS: ftp: loaded support on port[0] = 21 03:16:00 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x84) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) getsockopt$bt_hci(r0, 0x84, 0x13, &(0x7f0000000080)=""/4096, &(0x7f0000001140)=0x101df) mmap(&(0x7f0000000000/0xef9000)=nil, 0xef9000, 0xa, 0x31, 0xffffffffffffffff, 0x0) [ 55.101321][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.125201][ T8219] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.133223][ T8219] device bridge_slave_0 entered promiscuous mode [ 55.159188][ T8219] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.175203][ T8219] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.183052][ T8219] device bridge_slave_1 entered promiscuous mode [ 55.242510][ T8219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.256440][ T8224] IPVS: ftp: loaded support on port[0] = 21 [ 55.273161][ T8219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.292323][ T8222] chnl_net:caif_netlink_parms(): no params data found [ 55.320059][ T8219] team0: Port device team_slave_0 added [ 55.339945][ T8219] team0: Port device team_slave_1 added 03:16:01 executing program 3: sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000289000)={0x0, 0x0, &(0x7f0000058000)={&(0x7f000023f000)=ANY=[@ANYBLOB="840008000000000000bd7000ffffffff0000dffc0c00000000000000000000005b65da62290ffc380c2dbfdc5e9fab9fc24810d464fbc3f4c1b4e2bf501fb1bb949869c2984d914d9f04005e4fcd4dd3050bc1700912dbc3080c91745fa158cf0d70309f7f1969136edfd73294c0356675ffff000044f2a432a15b4ce568a166b5"], 0x81}}, 0x0) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000289000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f000023f000)=ANY=[@ANYBLOB="840000000000000000000000000000000000ffff"], 0x14}}, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2000000000000020, &(0x7f000023f000)=0xa, 0x20b) [ 55.383786][ T8222] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.392679][ T8222] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.401190][ T8222] device bridge_slave_0 entered promiscuous mode [ 55.467780][ T8219] device hsr_slave_0 entered promiscuous mode [ 55.495454][ T8219] device hsr_slave_1 entered promiscuous mode [ 55.536078][ T8222] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.543177][ T8222] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.553701][ T8222] device bridge_slave_1 entered promiscuous mode 03:16:01 executing program 4: write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000240)=ANY=[], 0x0) r0 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/autofs\x00', 0x800, 0x0) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000200)='tls\x00', 0x4) socket$inet6(0xa, 0x3, 0x0) perf_event_open(&(0x7f0000000040)={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) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=@newlink={0x98, 0x10, 0xffffff1f, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x6c, 0x12, @ip6erspan={{0x10, 0x1, 'ip6erspan\x00'}, {0x58, 0x2, [@IFLA_GRE_LOCAL={0x14, 0x6, @ipv4={[], [], @multicast2}}, @gre_common_policy=[@IFLA_GRE_COLLECT_METADATA={0x4}], @IFLA_GRE_REMOTE={0x14, 0x7, @remote}, @IFLA_GRE_LOCAL={0x14, 0x6, @remote}, @IFLA_GRE_REMOTE={0x14, 0x7, @mcast2}]}}}, @IFLA_ADDRESS={0xc, 0xa, @dev}]}, 0x98}}, 0x46118) ioctl$SIOCGSTAMP(r1, 0x8906, &(0x7f0000000140)) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000000), &(0x7f0000000780)=0x14) ioctl$SIOCGETLINKNAME(0xffffffffffffffff, 0x89e0, 0x0) setsockopt$IP_VS_SO_SET_DEL(0xffffffffffffffff, 0x0, 0x484, &(0x7f0000000880)={0x87, @local, 0x0, 0x1, 'ovf\x00', 0x0, 0x1f, 0x48}, 0x2c) pipe(&(0x7f0000000180)={0xffffffffffffffff}) r3 = socket$nl_route(0x10, 0x3, 0x0) splice(r2, 0x0, r3, 0x0, 0xfffffffffffff7f7, 0x0) setsockopt$IP_VS_SO_SET_EDITDEST(r2, 0x0, 0x489, &(0x7f00000000c0)={{0x99, @remote, 0x4e20, 0x3, 'dh\x00', 0x8, 0xcd5a}, {@local, 0x0, 0x0, 0x5, 0x1f, 0x400}}, 0x44) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) syz_mount_image$msdos(&(0x7f0000000340)='msdos\x00', &(0x7f0000000380)='./file0\x00', 0x6, 0x3, &(0x7f0000000680)=[{&(0x7f00000003c0)="30a328e27fc2609eafdf41ea7382745534059eb30cfa0c9864e276a44e64a0fabc92591fde27d375f0ab989eac043374f18fcbb9162f37bc62a65c7689fba5a8c830a46f451aacf2261dc9001ed22c2969de90e7841d126e9654a46dd1fc43edfff27edf84e8ebc63e4755ba8d148db0aad4253195c42363c7", 0x79, 0x9037}, {&(0x7f00000004c0), 0x0, 0x1}, {&(0x7f00000005c0)="8c52cb5829eef3220982c89b536cc33a65eedc382e83c241510eeba5fbee42c054df864550371fe7f9887e4a921c1dc18de8a6570166509844f20c2dc3bdd4003024622667f3e2a2a9ed04031174c44ad7fe34fb53f7bcd9a7b5a9df5a1d5dc43a0e93afa7b55de4dd62b7d206ad56509c935f79e24f31ca968c73b3c64c9d05b52bdf16b931e0f1278531522663f2a2bf6e44c403737489d1a66aab0a2a2aa67048df7884", 0xa5, 0x29}], 0x4, &(0x7f0000000700)={[{@fat=@codepage={'codepage', 0x3d, '866'}}, {@dots='dots'}, {@fat=@check_relaxed='check=relaxed'}, {@dots='dots'}, {@nodots='nodots'}], [{@smackfsdef={'smackfsdef', 0x3d, '/dev/autofs\x00'}}, {@audit='audit'}, {@audit='audit'}, {@seclabel='seclabel'}]}) [ 55.592391][ T8227] IPVS: ftp: loaded support on port[0] = 21 [ 55.701203][ T8222] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.766129][ T8222] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.776018][ T8219] netdevsim netdevsim0 netdevsim0: renamed from eth0 03:16:01 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x2001000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$inet6_sctp(0xa, 0x5, 0x84) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f0000000040)={0x0, 0x3}, 0xb) shutdown(r2, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @local}]}, &(0x7f0000000180)=0x10) r3 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r3, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x7b, &(0x7f0000000280)={r4}, &(0x7f00000002c0)=0x18) [ 55.827580][ T8219] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.873806][ T8224] chnl_net:caif_netlink_parms(): no params data found [ 55.904680][ T8222] team0: Port device team_slave_0 added [ 55.912742][ T8219] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.978570][ T8219] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.057830][ T8222] team0: Port device team_slave_1 added [ 56.071113][ T8231] IPVS: ftp: loaded support on port[0] = 21 [ 56.147673][ T8222] device hsr_slave_0 entered promiscuous mode [ 56.215514][ T8222] device hsr_slave_1 entered promiscuous mode [ 56.275282][ T8222] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.309415][ T8233] IPVS: ftp: loaded support on port[0] = 21 [ 56.324912][ T8224] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.332673][ T8224] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.341295][ T8224] device bridge_slave_0 entered promiscuous mode [ 56.349030][ T8224] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.356280][ T8224] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.363834][ T8224] device bridge_slave_1 entered promiscuous mode [ 56.385774][ T8224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.400530][ T8224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.463664][ T8222] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.520649][ T8227] chnl_net:caif_netlink_parms(): no params data found [ 56.548453][ T8222] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.599112][ T8224] team0: Port device team_slave_0 added [ 56.604935][ T8222] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.668501][ T8222] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.731244][ T8224] team0: Port device team_slave_1 added [ 56.760143][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.768104][ T8227] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.776695][ T8227] device bridge_slave_0 entered promiscuous mode [ 56.802522][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.810607][ T8227] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.819940][ T8227] device bridge_slave_1 entered promiscuous mode [ 56.887545][ T8224] device hsr_slave_0 entered promiscuous mode [ 56.925879][ T8224] device hsr_slave_1 entered promiscuous mode [ 56.965205][ T8224] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.980168][ T8219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.997905][ T8231] chnl_net:caif_netlink_parms(): no params data found [ 57.061816][ T8227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.082045][ T8233] chnl_net:caif_netlink_parms(): no params data found [ 57.106371][ T8227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.119351][ T8231] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.127396][ T8231] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.134978][ T8231] device bridge_slave_0 entered promiscuous mode [ 57.160867][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.170319][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.201514][ T8231] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.212502][ T8231] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.220421][ T8231] device bridge_slave_1 entered promiscuous mode [ 57.242239][ T8227] team0: Port device team_slave_0 added [ 57.251432][ T8222] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.263415][ T8224] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.296412][ T8233] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.303499][ T8233] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.314874][ T8233] device bridge_slave_0 entered promiscuous mode [ 57.323463][ T8219] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.331572][ T8227] team0: Port device team_slave_1 added [ 57.357566][ T8231] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.367301][ T8224] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.406542][ T8233] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.413636][ T8233] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.422044][ T8233] device bridge_slave_1 entered promiscuous mode [ 57.478636][ T8227] device hsr_slave_0 entered promiscuous mode [ 57.525519][ T8227] device hsr_slave_1 entered promiscuous mode [ 57.565221][ T8227] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.574533][ T8231] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.584260][ T8224] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.630850][ T8233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.642763][ T8233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.661463][ T8224] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.710962][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.719943][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.728603][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.735808][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.743892][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.762133][ T8222] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.793240][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.801506][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.812252][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.820957][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.830163][ T2954] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.837267][ T2954] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.853185][ T8231] team0: Port device team_slave_0 added [ 57.870292][ T8233] team0: Port device team_slave_0 added [ 57.887464][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.896942][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.905635][ T8238] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.912688][ T8238] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.922007][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.930877][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.939587][ T8238] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.946714][ T8238] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.954236][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.963240][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.971879][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.980443][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.989297][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.998710][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.007413][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.017799][ T8231] team0: Port device team_slave_1 added [ 58.027696][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.036095][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.043916][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.056450][ T8233] team0: Port device team_slave_1 added [ 58.062167][ T8227] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.150325][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.161971][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.172048][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.180678][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.189657][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.198380][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.206843][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.215474][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.224925][ T8227] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.268421][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.318065][ T8231] device hsr_slave_0 entered promiscuous mode [ 58.375579][ T8231] device hsr_slave_1 entered promiscuous mode [ 58.415292][ T8231] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.477487][ T8233] device hsr_slave_0 entered promiscuous mode [ 58.525564][ T8233] device hsr_slave_1 entered promiscuous mode [ 58.565260][ T8233] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.573820][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.581935][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.591068][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.600131][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.608565][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.617390][ T8227] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.657702][ T8227] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.732923][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.760771][ T8233] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.797244][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.804707][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.832486][ T8219] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.842232][ T8233] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.888472][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.896101][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.906849][ T8222] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.918082][ T8231] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.958002][ T8231] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.988739][ T8231] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.037903][ T8233] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.087046][ T8231] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 164.105067][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.111824][ C0] rcu: 0-...!: (10498 ticks this GP) idle=402/1/0x4000000000000002 softirq=11170/11173 fqs=0 [ 164.122363][ C0] (t=10501 jiffies g=6521 q=132) [ 164.127385][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6521 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.139439][ C0] rcu: RCU grace-period kthread stack dump: [ 164.145431][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.153365][ C0] Call Trace: [ 164.156662][ C0] __schedule+0x9a0/0xcc0 [ 164.161011][ C0] schedule+0x181/0x210 [ 164.165169][ C0] schedule_timeout+0x14f/0x240 [ 164.170033][ C0] ? run_local_timers+0x120/0x120 [ 164.175084][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.179870][ C0] kthread+0x332/0x350 [ 164.183951][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.189063][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.193651][ C0] ret_from_fork+0x24/0x30 [ 164.198205][ C0] NMI backtrace for cpu 0 [ 164.202544][ C0] CPU: 0 PID: 8239 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 164.209994][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.220186][ C0] Call Trace: [ 164.223466][ C0] [ 164.226316][ C0] dump_stack+0x1fb/0x318 [ 164.230645][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.235495][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.241781][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.247846][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.253944][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.259856][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.264988][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.270204][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.275346][ C0] update_process_times+0x12d/0x180 [ 164.280544][ C0] tick_sched_timer+0x263/0x420 [ 164.285397][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.290957][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.296170][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.301120][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.306516][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.312223][ C0] apic_timer_interrupt+0xf/0x20 [ 164.317165][ C0] [ 164.320120][ C0] RIP: 0010:mod_memcg_page_state+0x16/0x190 [ 164.326046][ C0] Code: 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 <48> 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 [ 164.345650][ C0] RSP: 0018:ffffc900020779c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 164.354050][ C0] RAX: ffffffff81487326 RBX: ffffea00026d9080 RCX: ffff8880a043e100 [ 164.362009][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00026d9080 [ 164.369969][ C0] RBP: ffffc900020779e0 R08: dffffc0000000000 R09: fffffbfff12877ed [ 164.378022][ C0] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff88809a8b81a0 [ 164.386108][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888098a5d428 [ 164.394219][ C0] ? mod_memcg_page_state+0x16/0x190 [ 164.399521][ C0] free_thread_stack+0x168/0x590 [ 164.404456][ C0] put_task_stack+0xa3/0x130 [ 164.409039][ C0] finish_task_switch+0x3f1/0x550 [ 164.414058][ C0] __schedule+0x9a8/0xcc0 [ 164.418382][ C0] ? ___preempt_schedule+0x16/0x18 [ 164.423477][ C0] preempt_schedule+0xdb/0x120 [ 164.428228][ C0] ___preempt_schedule+0x16/0x18 [ 164.433158][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 164.438775][ C0] __wake_up_sync_key+0xe2/0x150 [ 164.443704][ C0] pipe_release+0x17b/0x330 [ 164.448192][ C0] ? fifo_open+0xc70/0xc70 [ 164.452597][ C0] __fput+0x2e4/0x740 [ 164.456573][ C0] ____fput+0x15/0x20 [ 164.460540][ C0] task_work_run+0x17e/0x1b0 [ 164.465121][ C0] do_exit+0x5c4/0x2020 [ 164.469263][ C0] ? check_preemption_disabled+0xb4/0x260 [ 164.474982][ C0] do_group_exit+0x15c/0x2b0 [ 164.479564][ C0] __do_sys_exit_group+0x17/0x20 [ 164.484516][ C0] __se_sys_exit_group+0x14/0x20 [ 164.489461][ C0] __x64_sys_exit_group+0x3b/0x40 [ 164.494504][ C0] do_syscall_64+0xf7/0x1c0 [ 164.499028][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.504909][ C0] RIP: 0033:0x7f789b8ea1e8 [ 164.509342][ C0] Code: Bad RIP value. [ 164.513412][ C0] RSP: 002b:00007ffcda09bf78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 164.521837][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f789b8ea1e8 [ 164.529846][ C0] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 164.537823][ C0] RBP: 00007f789bbbf840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 164.545794][ C0] R10: 00007f789bbc5740 R11: 0000000000000246 R12: 00007f789bbbf840 [ 164.553781][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000