[ 44.874379][ T23] audit: type=1800 audit(1575349940.941:27): pid=8071 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.895792][ T23] audit: type=1800 audit(1575349940.941:28): pid=8071 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. [ 45.518614][ T23] audit: type=1800 audit(1575349941.641:29): pid=8071 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 45.537996][ T23] audit: type=1800 audit(1575349941.641:30): pid=8071 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 '10.128.1.11' (ECDSA) to the list of known hosts. 2019/12/03 05:12:31 fuzzer started 2019/12/03 05:12:33 dialing manager at 10.128.0.26:38907 2019/12/03 05:12:33 syscalls: 2697 2019/12/03 05:12:33 code coverage: enabled 2019/12/03 05:12:33 comparison tracing: enabled 2019/12/03 05:12:33 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:12:33 setuid sandbox: enabled 2019/12/03 05:12:33 namespace sandbox: enabled 2019/12/03 05:12:33 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:12:33 fault injection: enabled 2019/12/03 05:12:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:12:33 net packet injection: enabled 2019/12/03 05:12:33 net device setup: enabled 2019/12/03 05:12:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:12:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:12:34 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xe, 0x4, &(0x7f0000000040)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x56}], {0x95, 0x0, 0x0, 0x7a00}}, &(0x7f00000000c0)='GPL\a', 0x4, 0xf54, &(0x7f000062b000)=""/4096, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) 05:12:34 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x2040400) r3 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r3, 0x84, 0x6f, 0x0, &(0x7f0000000040)) syzkaller login: [ 58.334048][ T8237] IPVS: ftp: loaded support on port[0] = 21 [ 58.355664][ T8239] IPVS: ftp: loaded support on port[0] = 21 05:12:34 executing program 2: r0 = socket$packet(0x11, 0x3, 0x300) fgetxattr(r0, &(0x7f00000003c0)=@random={'system.', 'gcB\xc6+\xbf\xcc_\x81 \xd5\xb9\x93L9\x87\x84K\xb9!\x0eX czg\x14\xec*\xed\xa6u\xc4\x14*\xdb_\xe8\\\x96\n\xa6)\v\xf9 \xddb|\xe7\x14\x82\xc3\x90\xf9\r?i\x86Lpw\xba\xe1\v\x1a9G\x04\fpfP\xcf\xee<:C\x1e\\\x1f&\xaf\xea?\x91\a\xea\x8d\x05\x83aJ\xf0v\xc0q\x84\x93il\v\x03\b\xadT\aJ\xce\x7f\x14\xd7\xd5u\x84\x82\xb2\xd4(\x1d\x04\xf2\v\xe9\x8a\xdfU\xd1\x1f\x9b\x1d2mRQ\xea\x90\xa0m#\xa4\x1dy\x9d\xe9\xfa\x06\xa27\x9d;\xe4\xb4\x86\xa7&\xa9c6\x1b\x8d\xa6$\x82\x1b\x9a\x82\xc0o/\x8c\x97\xb9BJh\x9f\xb2\"\x95j\xd7PN\x89\x7f\xc8AB\xc7}T\xbe\x8aO\x9d\x94\x8d\xf1\xe7\xe2\xad\xdd\xc2\xb7\xe8Ac*v\xf7\x16\x8fe\r\x85\xf5k\xa9\xeb\xebt\xc3\xf1f\xca\x04*\xec\xfa\xe5b\xeb\xb4\x99\xefSv\x82\xe2\xe3\x02)sP%Z\xad\x83\xda\xbe2\xa9\xf2\xdaH\xf2{\xf6~\x0f\xb9\xdd.\x06W\xd7\x1dG<\x1e\f2c\xf4\xa0d\x01\x88\xee\xcc\x18(\rap\x98?\xb1$\xe9\xe9+\xa6\xfb\xb1\xc61\xf1\xe7m\xfd\x05\xee\xa0L\xe4C\"\xba\xd5\x91]]\xb26\xbfA\x86\f\xda\fi\xc8\xefl&*\"_^5\xd1 H\x17\xf0\xcc\a\x10dxb\xc2\x13m[P\xac]\xc2\xc1\xa8\x1df_\xcax\xbd\xf4m\x1e\x18occU\xb5\\\xf5\x05\xec\xa3\x98\f1\x89\x99\xf0P\x8e\x1b\xe3\x9e\xb9\x0f\xf9\xb0\xadd\x9d=d\x94\xec\xceQx\xdb\xf6zG!3\xd7\x05\xf0Xk\xb7vo?1H\x86\x192\xb2&\xa5\x9d\xd7\xbc\x85\a\xfer\x14\x0e\xd9=\x9f\xa1\xda@\xc7-\x93\xbc4\xc0\xfe\xf6\xf6\xc4\xc3ZT>R\x11\xba\xf9\x17\r\x98\a\x06\xe8\x80\xef\xdf\x87\x1f\xfd\xb8\x99\x9c\x19\xb4\xac'}, 0x0, 0x0) [ 58.475782][ T8239] chnl_net:caif_netlink_parms(): no params data found [ 58.568447][ T8239] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.603498][ T8239] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.623492][ T8239] device bridge_slave_0 entered promiscuous mode [ 58.650602][ T8239] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.673579][ T8239] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.681173][ T8239] device bridge_slave_1 entered promiscuous mode [ 58.704672][ T8237] chnl_net:caif_netlink_parms(): no params data found [ 58.732214][ T8239] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.756618][ T8244] IPVS: ftp: loaded support on port[0] = 21 [ 58.767797][ T8239] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.792718][ T8237] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.801375][ T8237] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.809666][ T8237] device bridge_slave_0 entered promiscuous mode [ 58.827961][ T8239] team0: Port device team_slave_0 added 05:12:34 executing program 3: r0 = socket(0xa, 0x3, 0x87) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x0, 0x0, @rand_addr="ffba4195a8914923d5b3b6e33004d368"}, 0x1c) sendmmsg$alg(r0, &(0x7f0000004040)=[{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000000)="f33e3f035897fa", 0x7}], 0x1}], 0x1, 0x8000) sendmmsg$alg(r0, &(0x7f00000000c0)=[{0x0, 0x0, &(0x7f0000001400)=[{&(0x7f00000002c0)="7286c05b", 0x4}], 0x1}], 0x4924924924926e7, 0x0) [ 58.838342][ T8237] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.846624][ T8237] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.874961][ T8237] device bridge_slave_1 entered promiscuous mode [ 58.883639][ T8239] team0: Port device team_slave_1 added [ 58.927940][ T8237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.943333][ T8237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.988247][ T8239] device hsr_slave_0 entered promiscuous mode [ 59.033753][ T8239] device hsr_slave_1 entered promiscuous mode 05:12:35 executing program 4: mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = socket(0x400040000000015, 0x805, 0x0) getsockopt(r0, 0x114, 0x2712, 0x0, &(0x7f0000000000)=0xf0ff7f) [ 59.094147][ T8237] team0: Port device team_slave_0 added [ 59.113296][ T8246] IPVS: ftp: loaded support on port[0] = 21 [ 59.114533][ T8237] team0: Port device team_slave_1 added [ 59.265966][ T8237] device hsr_slave_0 entered promiscuous mode [ 59.303763][ T8237] device hsr_slave_1 entered promiscuous mode 05:12:35 executing program 5: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r1) socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x11, 0x800000003, 0x0) bind(r2, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2ac5000000012e0b3836005404b0e0301a060075f2e3ff5f163ee340b700000080000000000000fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c65400"}, 0x80) getsockname$packet(r2, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000140)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000002400e50d00"/20, @ANYRES32=r3, @ANYBLOB="00000000ffffffff0000000008000100686866000c000200080003"], 0x3}}, 0x0) splice(r0, 0x0, r1, 0x0, 0x100000000, 0x0) [ 59.353664][ T8237] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.406617][ T8249] IPVS: ftp: loaded support on port[0] = 21 [ 59.429098][ T8239] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.507488][ T8239] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.595433][ T8239] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.653479][ T8244] chnl_net:caif_netlink_parms(): no params data found [ 59.665172][ T8239] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.715973][ T8251] IPVS: ftp: loaded support on port[0] = 21 [ 59.726413][ T8237] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.783779][ T8237] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.832526][ T8237] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.897064][ T8244] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.904284][ T8244] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.912002][ T8244] device bridge_slave_0 entered promiscuous mode [ 59.919672][ T8244] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.926771][ T8244] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.935025][ T8244] device bridge_slave_1 entered promiscuous mode [ 59.952696][ T8244] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.966355][ T8237] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.028787][ T8244] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.045326][ T8246] chnl_net:caif_netlink_parms(): no params data found [ 60.107348][ T8244] team0: Port device team_slave_0 added [ 60.127102][ T8246] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.135345][ T8246] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.143001][ T8246] device bridge_slave_0 entered promiscuous mode [ 60.152267][ T8246] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.159547][ T8246] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.167883][ T8246] device bridge_slave_1 entered promiscuous mode [ 60.175966][ T8244] team0: Port device team_slave_1 added [ 60.228569][ T8246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.275154][ T8244] device hsr_slave_0 entered promiscuous mode [ 60.304126][ T8244] device hsr_slave_1 entered promiscuous mode [ 60.343511][ T8244] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.367119][ T8249] chnl_net:caif_netlink_parms(): no params data found [ 60.376441][ T8246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.396381][ T8246] team0: Port device team_slave_0 added [ 60.404168][ T8246] team0: Port device team_slave_1 added [ 60.495213][ T8246] device hsr_slave_0 entered promiscuous mode [ 60.533732][ T8246] device hsr_slave_1 entered promiscuous mode [ 60.593522][ T8246] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.607784][ T8251] chnl_net:caif_netlink_parms(): no params data found [ 60.658430][ T8249] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.666055][ T8249] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.673863][ T8249] device bridge_slave_0 entered promiscuous mode [ 60.682247][ T8249] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.689548][ T8249] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.697317][ T8249] device bridge_slave_1 entered promiscuous mode [ 60.749801][ T8251] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.757505][ T8251] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.765863][ T8251] device bridge_slave_0 entered promiscuous mode [ 60.777619][ T8251] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.785893][ T8251] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.793796][ T8251] device bridge_slave_1 entered promiscuous mode [ 60.815005][ T8244] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.854854][ T8246] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.896918][ T8249] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.909191][ T8249] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.921816][ T8251] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.933303][ T8251] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.946534][ T8244] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.985832][ T8246] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.035546][ T8246] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.086254][ T8239] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.094871][ T8249] team0: Port device team_slave_0 added [ 61.105050][ T8244] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.158746][ T8244] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.205686][ T8246] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.259093][ T8249] team0: Port device team_slave_1 added [ 61.270507][ T8251] team0: Port device team_slave_0 added [ 61.278789][ T8251] team0: Port device team_slave_1 added [ 61.328200][ T8237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.337781][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.346504][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.406481][ T8251] device hsr_slave_0 entered promiscuous mode [ 61.444621][ T8251] device hsr_slave_1 entered promiscuous mode [ 61.483572][ T8251] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.525927][ T8249] device hsr_slave_0 entered promiscuous mode [ 61.564636][ T8249] device hsr_slave_1 entered promiscuous mode [ 61.603926][ T8249] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.613499][ T8239] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.637994][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.647165][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.656179][ T8243] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.663293][ T8243] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.671553][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.679379][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.687036][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.695608][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.704040][ T8243] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.711069][ T8243] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.718642][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.728711][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.739201][ T8237] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.794806][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.804056][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.812477][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.821939][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.830518][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.840341][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.847420][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.854979][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.863466][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.871690][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.878760][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.886714][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.895320][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.903026][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.924676][ T8251] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.965838][ T8251] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.017763][ T8251] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.075319][ T8251] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.125905][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.134959][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.143533][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.151833][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.160344][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.169063][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.177424][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.185841][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.208555][ T8239] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.219485][ T8239] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.242729][ T8246] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.251146][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.260454][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.269145][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.277771][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.286265][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.294580][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.303046][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.311380][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.320149][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.336762][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.364423][ T8244] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.376278][ T8249] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.397337][ T8249] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.457574][ T8249] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.507789][ T8249] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.583315][ T8246] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.598876][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.607405][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.615794][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.623333][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.631428][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.639211][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.647100][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.654848][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.677753][ T8237] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.690082][ T8244] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.702090][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.711471][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.723190][ T3191] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.730298][ T3191] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.738466][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.747731][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.756119][ T3191] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.763159][ T3191] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.770763][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.779719][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.788334][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.797048][ T3191] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.804128][ T3191] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.814218][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.821967][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.839134][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.848020][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.857237][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.866891][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.876869][ T8239] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.915936][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.928515][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.941238][ T8252] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.948402][ T8252] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.956789][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.965447][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.974063][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.982684][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.991072][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.999595][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.008073][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.016452][ T8252] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.040335][ T8251] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.057690][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.089296][ T8257] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.110270][ T8257] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.126777][ T8257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.145685][ T8257] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.157730][ T8257] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.168303][ T8257] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.180219][ T8257] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.189967][ T8257] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.210115][ T8251] 8021q: adding VLAN 0 to HW filter on device team0 [ 168.123357][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.130469][ C0] rcu: 0-...!: (10499 ticks this GP) idle=5de/1/0x4000000000000002 softirq=12096/12096 fqs=3 [ 168.140940][ C0] (t=10500 jiffies g=6425 q=158) [ 168.145963][ C0] rcu: rcu_preempt kthread starved for 10494 jiffies! g6425 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.157053][ C0] rcu: RCU grace-period kthread stack dump: [ 168.162946][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 168.170849][ C0] Call Trace: [ 168.174153][ C0] __schedule+0x9a0/0xcc0 [ 168.178493][ C0] schedule+0x181/0x210 [ 168.182655][ C0] schedule_timeout+0x14f/0x240 [ 168.187514][ C0] ? run_local_timers+0x120/0x120 [ 168.192729][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.197493][ C0] kthread+0x332/0x350 [ 168.201551][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.206782][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.211478][ C0] ret_from_fork+0x24/0x30 [ 168.215898][ C0] NMI backtrace for cpu 0 [ 168.220308][ C0] CPU: 0 PID: 8260 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 168.228794][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.238843][ C0] Call Trace: [ 168.242116][ C0] [ 168.244971][ C0] dump_stack+0x1fb/0x318 [ 168.249296][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.254133][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.260282][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.266339][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.272309][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.278187][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.283289][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.288492][ C0] ? trace_hardirqs_off+0x74/0x80 [ 168.293508][ C0] update_process_times+0x12d/0x180 [ 168.298696][ C0] tick_sched_timer+0x263/0x420 [ 168.303531][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.309089][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.314291][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.319235][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.324857][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.330389][ C0] apic_timer_interrupt+0xf/0x20 [ 168.335313][ C0] [ 168.339718][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 168.345426][ C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 168.365017][ C0] RSP: 0018:ffffc90002647cb8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.373418][ C0] RAX: 0000000000000001 RBX: ffffea0002280200 RCX: 0000000000000000 [ 168.381374][ C0] RDX: ffffc90001fe9000 RSI: 0000000000000000 RDI: ffffea0002280200 [ 168.389785][ C0] RBP: ffffc90002647cf0 R08: 000000000003a768 R09: ffffed10150c86c7 [ 168.397742][ C0] R10: ffffed10150c86c7 R11: 0000000000000000 R12: ffff88809b333620 [ 168.405698][ C0] R13: dffffc0000000000 R14: 1ffff110136666c4 R15: ffff8880a8643628 [ 168.413674][ C0] ? free_thread_stack+0x12e/0x590 [ 168.418774][ C0] put_task_stack+0xa3/0x130 [ 168.423351][ C0] finish_task_switch+0x3f1/0x550 [ 168.428455][ C0] __schedule+0x9a8/0xcc0 [ 168.432776][ C0] ? check_preemption_disabled+0xb4/0x260 [ 168.438485][ C0] schedule+0x181/0x210 [ 168.442637][ C0] prepare_exit_to_usermode+0x2d4/0x5b0 [ 168.448175][ C0] syscall_return_slowpath+0x113/0x4a0 [ 168.453625][ C0] do_syscall_64+0x11f/0x1c0 [ 168.458205][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.464085][ C0] RIP: 0033:0x45a679 [ 168.467969][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.487905][ C0] RSP: 002b:00007f5e4bff5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 168.496303][ C0] RAX: fffffffffffffff3 RBX: 0000000000000003 RCX: 000000000045a679 [ 168.504434][ C0] RDX: 0000000000000070 RSI: 0000000020000180 RDI: 0000000000000005 [ 168.512404][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 168.520503][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5e4bff66d4 [ 168.528665][ C0] R13: 00000000004c0d07 R14: 00000000004d4808 R15: 00000000ffffffff