[ 43.077539][ T23] audit: type=1800 audit(1575455463.877:25): pid=8072 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.097817][ T23] audit: type=1800 audit(1575455463.877:26): pid=8072 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.124444][ T23] audit: type=1800 audit(1575455463.887:27): pid=8072 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.162733][ T23] audit: type=1800 audit(1575455463.887:28): pid=8072 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. 2019/12/04 10:31:15 fuzzer started 2019/12/04 10:31:17 dialing manager at 10.128.0.26:36481 2019/12/04 10:31:17 syscalls: 2691 2019/12/04 10:31:17 code coverage: enabled 2019/12/04 10:31:17 comparison tracing: enabled 2019/12/04 10:31:17 extra coverage: extra coverage is not supported by the kernel 2019/12/04 10:31:17 setuid sandbox: enabled 2019/12/04 10:31:17 namespace sandbox: enabled 2019/12/04 10:31:17 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 10:31:17 fault injection: enabled 2019/12/04 10:31:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 10:31:17 net packet injection: enabled 2019/12/04 10:31:17 net device setup: enabled 2019/12/04 10:31:17 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 10:31:17 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:31:18 executing program 0: prlimit64(0x0, 0x0, 0x0, 0x0) syz_open_dev$sndseq(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0xc0c0583b, &(0x7f00000004c0)={0x0, 0x0, 0x1c7d9}) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) listen(r1, 0x5) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) r3 = accept4(r1, 0x0, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r2, 0x84, 0x6b, &(0x7f000055bfe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000280)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x300, 0x0, 0x1000000000054}, 0x98) 10:31:18 executing program 1: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$sock_inet_SIOCSIFADDR(r0, 0x891d, 0x0) syzkaller login: [ 57.867203][ T8235] IPVS: ftp: loaded support on port[0] = 21 [ 57.969178][ T8237] IPVS: ftp: loaded support on port[0] = 21 [ 58.019568][ T8235] chnl_net:caif_netlink_parms(): no params data found [ 58.076783][ T8235] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.084724][ T8235] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.093042][ T8235] device bridge_slave_0 entered promiscuous mode [ 58.103332][ T8235] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.110466][ T8235] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.118578][ T8235] device bridge_slave_1 entered promiscuous mode 10:31:18 executing program 2: r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) fcntl$setstatus(r0, 0x4, 0x6000) io_setup(0x5, &(0x7f0000000280)=0x0) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f0000000100)={0x0, 0x0, 0xf3f5, 0x2000010001}) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x10000}]) [ 58.140635][ T8235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.165242][ T8235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.201692][ T8235] team0: Port device team_slave_0 added [ 58.225209][ T8235] team0: Port device team_slave_1 added 10:31:19 executing program 3: 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) r0 = socket$netlink(0x10, 0x3, 0x4000000000000004) writev(r0, &(0x7f0000000140)=[{&(0x7f0000000180)="580000001400192340834b80040d8c5602067fffffff81000000000000dca87086a5c000004f6400940005891550f4a8000000006700008000f0fffeffff09000080fff5dd00000010000100000c0900fcff0000040e05a5", 0x58}], 0x1) [ 58.354390][ T8235] device hsr_slave_0 entered promiscuous mode [ 58.392919][ T8235] device hsr_slave_1 entered promiscuous mode [ 58.453456][ T8237] chnl_net:caif_netlink_parms(): no params data found [ 58.464459][ T8242] IPVS: ftp: loaded support on port[0] = 21 [ 58.539753][ T8244] IPVS: ftp: loaded support on port[0] = 21 [ 58.549846][ T8235] netdevsim netdevsim0 netdevsim0: renamed from eth0 10:31:19 executing program 4: syz_mount_image$vfat(&(0x7f0000000280)='vfat\x00', &(0x7f00000002c0)='./file0\x00', 0x0, 0x5, &(0x7f0000000740)=[{0x0, 0x0, 0x1000000000000100}, {&(0x7f0000000400)="b0ce7e95a03813c3a103144918271e4263ac1fe8dd3dff74cdd53a39e86aa2f8dfd18e76ff921b0a063f337aeeee6c60f2d94f1314197c45879b22a81236ec77958175476f6a212930ef3c0f60713c18e751aa93d461e980b15c225bee2880ef54b716bcc39bce10491626b321c87e464c73ff7c0fa5649a90a885f47070c0b6dc336503ffd0a0d9aff79fa1ecab478f", 0x90}, {&(0x7f0000000500)="5fc050c1dda003e704ff0f2d802436199d6e61a6d0510b86ea33c2c956c9cda8a3797d710a1f38f2d48a7b7875d2ee7340e1908bf7ce14f8dc73", 0x3a, 0x9}, {&(0x7f0000000540)="8fd992cc0657a877f8ac406c1c7de6e294eee05999988a73a0e1a0fff1093969f2a89bbe5a54f735dafb4aa4cd5b3ccdeaf71c35700744ebcdae179d17af005662ebb4c105b0460a15e3298ae63e7d7f214c3d01c86492b26dd3538a0c31c53a9a5004b4d8f193837cdeac63cc475182c411f1b12c6ca67a40e9d21bea015a8d428099b069800b6f178ab869e517950c0970f73c1172e5b0f23dcd42ddfb3a2debdbb27e236ce179760dbd7d594159ea3d435d1e3c383118d885c9f639ab5e6ddd78280425e75b695c9f3fd48e3a1b330aec15abaf0c6d1d1cb0bee7ddc35aacbdb7ca6f5c725c2b007219a267b034", 0xef, 0xeb0}, {&(0x7f0000000640)="e97dcf101d7250fd5c243d5a069af8eb6e4218c1cad0f27c5bff8826edf083d754c33f521c26cee15122b7cf8b24c3170bb2d4c4d879480e41496336df81f62bd1fafd62c9144d12a2265d4949e8d4ffedbba77a2d3448c9289c833f9b507f1dd8852c9e2f57a59d63afea20b042d0b2e1a029c4461930dc9230d6434ef0259e86e5eb96463540ee2503cb014081c0f785716d3d92149079ba161b26b1f0769040baa8a6f5770648215749e7a547469a72ef296439e962aeda2f6a94e02f7d488656d4a3", 0xc4, 0x1000}], 0x2, &(0x7f0000000e00)=ANY=[@ANYBLOB="726f6469722c73686f72746e616d653d6d6978656428756e695f786c6174653d302c73686f72746e616d653d77696e39352c6e6f6e756d4661026c3d302cc801000000000000653d6c6f7765722c657569", @ANYRESDEC, @ANYBLOB="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"]) mount$9p_rdma(&(0x7f0000000000)='127.0.0.1\x00', &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)='9p\x00', 0x204000, &(0x7f0000000300)={'trans=rdma,', {'port', 0x3d, 0x4e21}, 0x2c, {[{@sq={'sq'}}, {@sq={'sq', 0x3d, 0x8}}, {@timeout={'timeout', 0x3d, 0xffffffff}}, {@sq={'sq'}}, {@common=@nodevmap='nodevmap'}], [{@pcr={'pcr'}}, {@fowner_eq={'fowner'}}, {@fsmagic={'fsmagic', 0x3d, 0x5}}, {@func={'func', 0x3d, 'POLICY_CHECK'}}]}}) [ 58.607639][ T8235] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.709243][ T8235] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.776367][ T8235] netdevsim netdevsim0 netdevsim3: renamed from eth3 10:31:19 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000032000/0x18000)=nil, &(0x7f0000000280)=[@text32={0x20, &(0x7f00000000c0)="b9800000c00f3235010000000f309a090000006500660f3882af724d00002ed8ddc74424008fc4bd87c7442402c43a727fc7442406000000000f011424f30f090f013a360f06c4c18d72d68366baa100ed", 0x299}], 0x1, 0x0, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) perf_event_open(&(0x7f0000000000)={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, 0x4, @perf_config_ext, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000049000/0x18000)=nil, &(0x7f0000000080)=[@textreal={0x8, 0x0}], 0x1, 0x0, 0x0, 0xffffffffffffff11) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 58.873597][ T8237] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.880739][ T8237] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.889689][ T8237] device bridge_slave_0 entered promiscuous mode [ 58.921699][ T8246] IPVS: ftp: loaded support on port[0] = 21 [ 58.937532][ T8235] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.944774][ T8235] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.952872][ T8235] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.959952][ T8235] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.969843][ T8237] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.978637][ T8237] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.987856][ T8237] device bridge_slave_1 entered promiscuous mode [ 59.015810][ T8237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.030081][ T8237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.059664][ T8249] IPVS: ftp: loaded support on port[0] = 21 [ 59.107510][ T3874] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.117809][ T3874] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.144278][ T8242] chnl_net:caif_netlink_parms(): no params data found [ 59.155748][ T8237] team0: Port device team_slave_0 added [ 59.163572][ T8237] team0: Port device team_slave_1 added [ 59.284918][ T8237] device hsr_slave_0 entered promiscuous mode [ 59.342358][ T8237] device hsr_slave_1 entered promiscuous mode [ 59.392094][ T8237] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.435175][ T8242] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.442597][ T8242] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.450503][ T8242] device bridge_slave_0 entered promiscuous mode [ 59.459013][ T8242] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.466160][ T8242] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.474103][ T8242] device bridge_slave_1 entered promiscuous mode [ 59.489230][ T8246] chnl_net:caif_netlink_parms(): no params data found [ 59.502106][ T8244] chnl_net:caif_netlink_parms(): no params data found [ 59.557732][ T8242] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.570001][ T8242] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.631032][ T8242] team0: Port device team_slave_0 added [ 59.649359][ T8237] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.709974][ T8244] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.717468][ T8244] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.725719][ T8244] device bridge_slave_0 entered promiscuous mode [ 59.734082][ T8242] team0: Port device team_slave_1 added [ 59.740015][ T8244] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.747201][ T8244] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.754958][ T8244] device bridge_slave_1 entered promiscuous mode [ 59.764896][ T8235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.772610][ T8246] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.779851][ T8246] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.788190][ T8246] device bridge_slave_0 entered promiscuous mode [ 59.796972][ T8246] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.804164][ T8246] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.812344][ T8246] device bridge_slave_1 entered promiscuous mode [ 59.819940][ T8237] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.887899][ T8244] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.899135][ T8244] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.908708][ T8237] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.978947][ T8237] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.047188][ T8249] chnl_net:caif_netlink_parms(): no params data found [ 60.064377][ T8246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.076102][ T8246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.134659][ T8242] device hsr_slave_0 entered promiscuous mode [ 60.172323][ T8242] device hsr_slave_1 entered promiscuous mode [ 60.212136][ T8242] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.230429][ T8244] team0: Port device team_slave_0 added [ 60.247611][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.256622][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.268028][ T8235] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.280921][ T8244] team0: Port device team_slave_1 added [ 60.288694][ T8246] team0: Port device team_slave_0 added [ 60.295811][ T8246] team0: Port device team_slave_1 added [ 60.394363][ T8246] device hsr_slave_0 entered promiscuous mode [ 60.442471][ T8246] device hsr_slave_1 entered promiscuous mode [ 60.482120][ T8246] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.544831][ T8244] device hsr_slave_0 entered promiscuous mode [ 60.603270][ T8244] device hsr_slave_1 entered promiscuous mode [ 60.662187][ T8244] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.676461][ T8249] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.683686][ T8249] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.692202][ T8249] device bridge_slave_0 entered promiscuous mode [ 60.701061][ T8249] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.708209][ T8249] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.719024][ T8249] device bridge_slave_1 entered promiscuous mode [ 60.727556][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.736575][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.747182][ T3217] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.754279][ T3217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.764632][ T8242] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.880682][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.890005][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.903869][ T8240] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.912420][ T8240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.927212][ T8242] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.997705][ T8242] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.065620][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.083790][ T8249] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.096718][ T8249] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.114109][ T8242] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.164006][ T8246] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.224507][ T8244] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.291380][ T8246] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.325581][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.343775][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.353021][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.361589][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.370853][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.379561][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.388240][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.396583][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.404959][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.413575][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.431706][ T8237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.438862][ T8244] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.509038][ T8244] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.551247][ T8244] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.593770][ T8246] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.651139][ T8249] team0: Port device team_slave_0 added [ 61.661853][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.672670][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.680306][ T8246] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.744789][ T8235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.756132][ T8249] team0: Port device team_slave_1 added [ 61.777410][ T8237] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.834896][ T8249] device hsr_slave_0 entered promiscuous mode [ 61.873494][ T8249] device hsr_slave_1 entered promiscuous mode [ 61.912155][ T8249] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.947163][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.956568][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.966236][ T8248] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.973775][ T8248] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.981807][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.990470][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.999237][ T8248] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.006440][ T8248] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.013990][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.021428][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.029021][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.037673][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.046764][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.059263][ T8235] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.101717][ T8237] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.114992][ T8237] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.137599][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.146908][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.155877][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.165131][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.175430][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.183930][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.192622][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.201187][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.230679][ T8244] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.255248][ T8249] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 167.291944][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.299991][ C0] rcu: 0-...!: (10499 ticks this GP) idle=e3a/1/0x4000000000000002 softirq=11493/11493 fqs=4 [ 167.310471][ C0] (t=10500 jiffies g=6477 q=94) [ 167.315429][ C0] rcu: rcu_preempt kthread starved for 10492 jiffies! g6477 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.327144][ C0] rcu: RCU grace-period kthread stack dump: [ 167.333406][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.344178][ C0] Call Trace: [ 167.347474][ C0] __schedule+0x9a0/0xcc0 [ 167.352411][ C0] schedule+0x181/0x210 [ 167.357085][ C0] schedule_timeout+0x14f/0x240 [ 167.361935][ C0] ? run_local_timers+0x120/0x120 [ 167.367183][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.371954][ C0] kthread+0x332/0x350 [ 167.376216][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.381982][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.386580][ C0] ret_from_fork+0x24/0x30 [ 167.393013][ C0] NMI backtrace for cpu 0 [ 167.397890][ C0] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.4.0-syzkaller #0 [ 167.406161][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.416380][ C0] Workqueue: rcu_gp process_srcu [ 167.421758][ C0] Call Trace: [ 167.425051][ C0] [ 167.428039][ C0] dump_stack+0x1fb/0x318 [ 167.432370][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.437214][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.443353][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.449562][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.455551][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.461471][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.466836][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.473080][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.480233][ C0] update_process_times+0x12d/0x180 [ 167.485793][ C0] tick_sched_timer+0x263/0x420 [ 167.491183][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.496898][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.502095][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.507036][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.512405][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.517936][ C0] apic_timer_interrupt+0xf/0x20 [ 167.523026][ C0] [ 167.525968][ C0] RIP: 0010:free_thread_stack+0x14c/0x590 [ 167.531764][ C0] Code: 2e 00 48 89 df 31 f6 e8 a2 a1 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 25 a0 69 00 48 8b 3b be fc ff ff [ 167.551535][ C0] RSP: 0018:ffffc90000cbf8f8 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 167.559949][ C0] RAX: 1ffff11012788a71 RBX: ffff888093c45388 RCX: 0000000000000000 [ 167.578454][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028d9540 [ 167.586563][ C0] RBP: ffffc90000cbf930 R08: 000000000003a728 R09: fffffbfff120248a [ 167.594525][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888093c45420 [ 167.602499][ C0] R13: dffffc0000000000 R14: 1ffff11012788a84 R15: ffff88808d3db528 [ 167.610503][ C0] ? free_thread_stack+0x12e/0x590 [ 167.616141][ C0] put_task_stack+0xa3/0x130 [ 167.620715][ C0] finish_task_switch+0x3f1/0x550 [ 167.625729][ C0] __schedule+0x9a8/0xcc0 [ 167.630056][ C0] preempt_schedule_irq+0xc1/0x140 [ 167.635152][ C0] retint_kernel+0x1b/0x2b [ 167.641552][ C0] RIP: 0010:delay_tsc+0x96/0xf0 [ 167.646403][ C0] Code: fb 41 89 c7 0f 01 f9 66 90 49 89 d4 49 c1 e4 20 49 09 c4 eb 29 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 a8 01 75 ca f3 90 01 00 00 00 e8 d0 ea 62 f9 e8 4b b4 a3 fb 41 39 c7 75 bb 0f 01 [ 167.665996][ C0] RSP: 0018:ffffc90000cbfb48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.674395][ C0] RAX: 0000000080000000 RBX: 0000000000001fee RCX: 0000000000000001 [ 167.682441][ C0] RDX: 0000000000000023 RSI: 0000000000000001 RDI: 0000000000000001 [ 167.690395][ C0] RBP: ffffc90000cbfb68 R08: ffffffff8393cb27 R09: fffffbfff14572fd [ 167.699508][ C0] R10: fffffbfff14572fd R11: 0000000000000000 R12: 00000023818af5df [ 167.708140][ C0] R13: 0000000000000000 R14: 0000000000002ced R15: 0000000000000000 [ 167.716210][ C0] ? check_preemption_disabled+0x37/0x260 [ 167.721920][ C0] ? delay_tsc+0xc6/0xf0 [ 167.726161][ C0] __const_udelay+0x5e/0x70 [ 167.731280][ C0] try_check_zero+0x6e/0x380 [ 167.735881][ C0] process_srcu+0x1b7/0xd20 [ 167.740835][ C0] process_one_work+0x7ef/0x10d0 [ 167.745962][ C0] worker_thread+0xc01/0x1630 [ 167.750648][ C0] kthread+0x332/0x350 [ 167.754708][ C0] ? rcu_lock_release+0x30/0x30 [ 167.759576][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.764163][ C0] ret_from_fork+0x24/0x30