[ 43.865792][ T25] audit: type=1800 audit(1575408731.364:29): pid=7927 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 '10.128.0.208' (ECDSA) to the list of known hosts. 2019/12/03 21:32:22 fuzzer started 2019/12/03 21:32:24 dialing manager at 10.128.0.26:42111 2019/12/03 21:32:24 syscalls: 2689 2019/12/03 21:32:24 code coverage: enabled 2019/12/03 21:32:24 comparison tracing: enabled 2019/12/03 21:32:24 extra coverage: extra coverage is not supported by the kernel 2019/12/03 21:32:24 setuid sandbox: enabled 2019/12/03 21:32:24 namespace sandbox: enabled 2019/12/03 21:32:24 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 21:32:24 fault injection: enabled 2019/12/03 21:32:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 21:32:24 net packet injection: enabled 2019/12/03 21:32:24 net device setup: enabled 2019/12/03 21:32:24 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 21:32:24 devlink PCI setup: PCI device 0000:00:10.0 is not available 21:32:25 executing program 0: r0 = syz_open_dev$usbfs(&(0x7f0000000180)='/dev/bus/usb/00#/00#\x00', 0x77, 0x1) ioctl$USBDEVFS_CONTROL(r0, 0xc0185500, &(0x7f0000000080)={0x23, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0}) 21:32:25 executing program 1: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000000000)=0x16c, 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f00000008c0)={0x2, 0x4e23, @local}, 0x10) recvmsg(r0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3e8}, 0x112) write$binfmt_elf64(r0, &(0x7f0000002300)=ANY=[@ANYRES64], 0x1000001bd) syzkaller login: [ 58.461477][ T8093] IPVS: ftp: loaded support on port[0] = 21 21:32:26 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = perf_event_open(&(0x7f000025c000)={0x400000001, 0x70, 0x2005, 0x0, 0x0, 0x0, 0x0, 0x1, 0x10020, 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, 0x7f, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = perf_event_open(&(0x7f000001d000)={0x1, 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, 0x401, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r3, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r2, 0x2405, r3) r4 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r4, &(0x7f0000000040)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r4, 0x0, 0x10b, 0x200007fe, &(0x7f0000000100)={0x2, 0x10004e23, @dev={0xac, 0x14, 0x14, 0xa}}, 0x10) sendto$inet(r4, &(0x7f0000d7cfcb), 0xffffffffffffffef, 0x60, 0x0, 0x0) [ 58.607034][ T8095] IPVS: ftp: loaded support on port[0] = 21 [ 58.665941][ T8093] chnl_net:caif_netlink_parms(): no params data found [ 58.730809][ T8093] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.738653][ T8093] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.747572][ T8093] device bridge_slave_0 entered promiscuous mode [ 58.756452][ T8093] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.765543][ T8093] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.773671][ T8093] device bridge_slave_1 entered promiscuous mode [ 58.796796][ T8093] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.812074][ T8093] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.835018][ T8093] team0: Port device team_slave_0 added [ 58.844946][ T8093] team0: Port device team_slave_1 added 21:32:26 executing program 3: r0 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000080)='/dev/adsp1\x00', 0x0, 0x0) read$dsp(r0, &(0x7f00000000c0)=""/202, 0xca) ioctl$SNDCTL_DSP_SUBDIVIDE(r0, 0xc0045009, &(0x7f00000001c0)=0x8) ioctl$SNDCTL_DSP_STEREO(r0, 0xc0045005, &(0x7f0000000000)=0x2) [ 58.919217][ T8099] IPVS: ftp: loaded support on port[0] = 21 [ 58.933135][ T8095] chnl_net:caif_netlink_parms(): no params data found [ 58.983907][ T8093] device hsr_slave_0 entered promiscuous mode [ 59.022217][ T8093] device hsr_slave_1 entered promiscuous mode 21:32:26 executing program 4: unshare(0x20400) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CHECK_EXTENSION(r0, 0xae03, 0x79) [ 59.180607][ T8101] IPVS: ftp: loaded support on port[0] = 21 [ 59.281628][ T8095] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.302756][ T8095] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.310816][ T8095] device bridge_slave_0 entered promiscuous mode 21:32:26 executing program 5: r0 = socket$inet6(0xa, 0x8000000000001, 0x8010000000000084) r1 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000240)={0x0, 0xfffffffffffffffd, 0x30}, 0xc) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x4e21, 0x0, @loopback}, 0x1c) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[@ANYBLOB="2321212c0f0df805000000"], 0x10094) write$binfmt_script(r0, &(0x7f00000008c0)=ANY=[@ANYRES16=0x0], 0x2) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000002c0), 0xc) write$binfmt_script(r0, &(0x7f0000000380)={'#! ', './file0'}, 0x13800) [ 59.345405][ T8093] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.410532][ T8095] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.423187][ T8095] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.443296][ T8095] device bridge_slave_1 entered promiscuous mode [ 59.455082][ T8093] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.525543][ T8093] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.583221][ T8093] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.692679][ T8095] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.704438][ T8095] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.717977][ T8105] IPVS: ftp: loaded support on port[0] = 21 [ 59.763564][ T8095] team0: Port device team_slave_0 added [ 59.764948][ T8104] IPVS: ftp: loaded support on port[0] = 21 [ 59.771269][ T8095] team0: Port device team_slave_1 added [ 59.864059][ T8095] device hsr_slave_0 entered promiscuous mode [ 59.902145][ T8095] device hsr_slave_1 entered promiscuous mode [ 59.941659][ T8095] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.949716][ T8099] chnl_net:caif_netlink_parms(): no params data found [ 60.005071][ T8099] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.012294][ T8099] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.019995][ T8099] device bridge_slave_0 entered promiscuous mode [ 60.054672][ T8099] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.063472][ T8099] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.071674][ T8099] device bridge_slave_1 entered promiscuous mode [ 60.100751][ T8101] chnl_net:caif_netlink_parms(): no params data found [ 60.134433][ T8099] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.168106][ T8099] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.210422][ T8101] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.221144][ T8101] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.228721][ T8101] device bridge_slave_0 entered promiscuous mode [ 60.246926][ T8099] team0: Port device team_slave_0 added [ 60.269547][ T8101] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.277713][ T8101] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.285987][ T8101] device bridge_slave_1 entered promiscuous mode [ 60.308011][ T8099] team0: Port device team_slave_1 added [ 60.323778][ T8095] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.374275][ T8101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.423854][ T8099] device hsr_slave_0 entered promiscuous mode [ 60.471992][ T8099] device hsr_slave_1 entered promiscuous mode [ 60.521095][ T8099] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.529056][ T8095] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.572495][ T8105] chnl_net:caif_netlink_parms(): no params data found [ 60.585561][ T8101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.601544][ T8095] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.653474][ T8104] chnl_net:caif_netlink_parms(): no params data found [ 60.683142][ T8095] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.747547][ T8105] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.755665][ T8105] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.763371][ T8105] device bridge_slave_0 entered promiscuous mode [ 60.772188][ T8101] team0: Port device team_slave_0 added [ 60.777998][ T8105] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.785525][ T8105] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.794110][ T8105] device bridge_slave_1 entered promiscuous mode [ 60.825380][ T8101] team0: Port device team_slave_1 added [ 60.843986][ T8093] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.852050][ T8105] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.867997][ T8105] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.885491][ T8099] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.978127][ T8099] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.013367][ T8104] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.020450][ T8104] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.028286][ T8104] device bridge_slave_0 entered promiscuous mode [ 61.037336][ T8104] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.044498][ T8104] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.052239][ T8104] device bridge_slave_1 entered promiscuous mode [ 61.112659][ T8101] device hsr_slave_0 entered promiscuous mode [ 61.151664][ T8101] device hsr_slave_1 entered promiscuous mode [ 61.191281][ T8101] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.199288][ T8099] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.252640][ T8099] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.304122][ T8105] team0: Port device team_slave_0 added [ 61.312236][ T8105] team0: Port device team_slave_1 added [ 61.321438][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.329827][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.342664][ T8093] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.359304][ T8104] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.424064][ T8105] device hsr_slave_0 entered promiscuous mode [ 61.461535][ T8105] device hsr_slave_1 entered promiscuous mode [ 61.501341][ T8105] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.515553][ T8104] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.567836][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.578159][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.587332][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.594541][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.603765][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.611865][ T8101] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.648420][ T8101] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.704967][ T8104] team0: Port device team_slave_0 added [ 61.721520][ T8101] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.773795][ T8104] team0: Port device team_slave_1 added [ 61.779538][ T8101] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.867938][ T8105] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.893155][ T8105] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.946501][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.955143][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.963540][ T8106] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.970575][ T8106] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.978136][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.986991][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.995754][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.004504][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.029564][ T8105] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.083725][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.093354][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.102237][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.118988][ T8099] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.142270][ T8105] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.172964][ T8095] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.189866][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.198590][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.207166][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.215428][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.227682][ T8093] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.242691][ T8093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.258515][ T8095] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.304472][ T8104] device hsr_slave_0 entered promiscuous mode [ 62.361424][ T8104] device hsr_slave_1 entered promiscuous mode [ 62.411114][ T8104] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.418933][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.430633][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.439118][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.446948][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.473502][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.482215][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.490510][ T3079] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.497606][ T3079] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.505786][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.529636][ T8101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.549511][ T8099] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.565971][ T8093] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.581102][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.591651][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.599962][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.607042][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.614718][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.623782][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.632652][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.640164][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.677656][ T8104] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.703659][ T8104] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.773091][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.782013][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.790197][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.798951][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.807345][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.814449][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.823111][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.831820][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.840096][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.847197][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.855087][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.881515][ T8099] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.898984][ T8099] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.922406][ T8104] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.944246][ T8104] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.003311][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.014487][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.022540][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.031222][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.039674][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.049171][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.058071][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.066570][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.074871][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.083309][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.091657][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.099901][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.107825][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.115617][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.124263][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.136493][ T8101] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.153532][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.162705][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.170362][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.179655][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.194735][ T8095] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.205499][ T8095] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.220857][ T8105] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.258532][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.275909][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.289874][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 168.240934][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.247760][ C0] rcu: 0-...!: (10498 ticks this GP) idle=1e6/1/0x4000000000000002 softirq=11825/11825 fqs=3 [ 168.258238][ C0] (t=10500 jiffies g=6389 q=168) [ 168.263252][ C0] rcu: rcu_preempt kthread starved for 10494 jiffies! g6389 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 168.274505][ C0] rcu: RCU grace-period kthread stack dump: [ 168.280380][ C0] rcu_preempt I29104 10 2 0x80004000 [ 168.286709][ C0] Call Trace: [ 168.290008][ C0] __schedule+0x9a0/0xcc0 [ 168.294334][ C0] schedule+0x181/0x210 [ 168.298518][ C0] schedule_timeout+0x14f/0x240 [ 168.303376][ C0] ? run_local_timers+0x120/0x120 [ 168.308402][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.313174][ C0] kthread+0x332/0x350 [ 168.317236][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.322342][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.326922][ C0] ret_from_fork+0x24/0x30 [ 168.331380][ C0] NMI backtrace for cpu 0 [ 168.335700][ C0] CPU: 0 PID: 8104 Comm: syz-executor.4 Not tainted 5.4.0-syzkaller #0 [ 168.343917][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.353957][ C0] Call Trace: [ 168.357226][ C0] [ 168.360067][ C0] dump_stack+0x1fb/0x318 [ 168.364390][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.369228][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.375376][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.381430][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.387397][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.393281][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.398387][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.403577][ C0] ? trace_hardirqs_off+0x74/0x80 [ 168.408590][ C0] update_process_times+0x12d/0x180 [ 168.413778][ C0] tick_sched_timer+0x263/0x420 [ 168.418618][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.424152][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.429353][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.434297][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.439616][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.445266][ C0] apic_timer_interrupt+0xf/0x20 [ 168.450197][ C0] [ 168.453325][ C0] RIP: 0010:free_thread_stack+0x186/0x590 [ 168.459100][ C0] Code: 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a4 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 eb a3 69 00 48 8b 1b e9 82 ff ff [ 168.478706][ C0] RSP: 0018:ffffc900025a7c48 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 168.487109][ C0] RAX: 1ffff110123f1711 RBX: ffff888091f8b888 RCX: ffff8880a24d81c0 [ 168.495083][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000293e3c0 [ 168.503195][ C0] RBP: ffffc900025a7c80 R08: 000000000003a768 R09: ffffed1014e8cf47 [ 168.511164][ C0] R10: ffffed1014e8cf47 R11: 0000000000000000 R12: ffff888091f8b920 [ 168.519127][ C0] R13: dffffc0000000000 R14: 1ffff110123f1724 R15: ffff8880a7467a28 [ 168.527116][ C0] ? free_thread_stack+0x168/0x590 [ 168.532218][ C0] put_task_stack+0xa3/0x130 [ 168.536802][ C0] finish_task_switch+0x3f1/0x550 [ 168.541819][ C0] __schedule+0x9a8/0xcc0 [ 168.546143][ C0] ? ___preempt_schedule+0x16/0x18 [ 168.551239][ C0] preempt_schedule+0xdb/0x120 [ 168.555993][ C0] ___preempt_schedule+0x16/0x18 [ 168.560918][ C0] ? __fd_install+0x277/0x4f0 [ 168.565582][ C0] ? __fd_install+0x2b8/0x4f0 [ 168.570245][ C0] __fd_install+0x2bd/0x4f0 [ 168.574741][ C0] fd_install+0x51/0x60 [ 168.578887][ C0] __sys_socket+0x185/0x2e0 [ 168.583380][ C0] __x64_sys_socket+0x7a/0x90 [ 168.588131][ C0] do_syscall_64+0xf7/0x1c0 [ 168.592623][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.598504][ C0] RIP: 0033:0x45d1c7 [ 168.602416][ C0] Code: 00 00 00 49 89 ca b8 36 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 4a 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 2d 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.622018][ C0] RSP: 002b:00007ffc3b4433c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 168.630554][ C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045d1c7 [ 168.638547][ C0] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 168.646509][ C0] RBP: 00000000004bfb0b R08: 00007ffc3b443453 R09: 0000000000000005 [ 168.654470][ C0] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000003 [ 168.662431][ C0] R13: 0000000000000006 R14: 0000000000000000 R15: 00007ffc3b443600