[ 41.551740][ T25] audit: type=1800 audit(1575350001.535:30): pid=7928 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 '10.128.10.2' (ECDSA) to the list of known hosts. 2019/12/03 05:13:28 fuzzer started 2019/12/03 05:13:29 dialing manager at 10.128.0.26:38907 2019/12/03 05:13:29 syscalls: 2697 2019/12/03 05:13:29 code coverage: enabled 2019/12/03 05:13:29 comparison tracing: enabled 2019/12/03 05:13:29 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:13:29 setuid sandbox: enabled 2019/12/03 05:13:29 namespace sandbox: enabled 2019/12/03 05:13:29 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:13:29 fault injection: enabled 2019/12/03 05:13:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:13:29 net packet injection: enabled 2019/12/03 05:13:29 net device setup: enabled 2019/12/03 05:13:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:13:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:13:30 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) futex(0x0, 0x100, 0x0, 0x0, 0x0, 0x0) 05:13:31 executing program 1: r0 = fsopen(&(0x7f0000000140)='cgroup2\x00g0S\xf4L\xa2\xc8\xff\x84\xc5\x95S\x05\x9dM\xe3\x87\xeb\x86\x84\xc7\xf6\xfd\x92\x8b\xe2\xcb2\x99\xdc\xf9\xd4r\xa7^\xa5P\xa3e\xd7\x96\x1e%\x7f\xaf\f[]R\xe6\n\xdc\r\xce~g\xb5\x16>\xc4\x7f\xcf\xb8\xc5\\9\xd2I\x88\x06\xd0\x91\xf4\xa0\x14\xa2\xc2\x8d\x04\x0e\xf2now\xa7\xfc\x1fj;\xa2\x12\xd1\x16\xc1A\xd4\xcdTW\r\x1b\xf7bo\xec\\p\xe7}tbl\x18G\x1e[\xcf \xb6\xdc\xef\xd7\xaf?\"p\xef\xa2\x06\x80\xe8t\xc3?c\b\xdf\xe4\x95A\xbd\\\xe9\xe7\x82\x82\x92Q5\x95\xbe:TM\xdb\x1d\xd3\xf5\xd5h\x7f\xcb|', 0x0) fsconfig$FSCONFIG_SET_FLAG(r0, 0x0, &(0x7f0000000000)='no\x00', 0x0, 0x0) syzkaller login: [ 51.053471][ T8093] IPVS: ftp: loaded support on port[0] = 21 [ 51.203456][ T8096] IPVS: ftp: loaded support on port[0] = 21 [ 51.225568][ T8093] chnl_net:caif_netlink_parms(): no params data found [ 51.294078][ T8093] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.302263][ T8093] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.311091][ T8093] device bridge_slave_0 entered promiscuous mode 05:13:31 executing program 2: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x5c831, 0xffffffffffffffff, 0x0) r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0xf, &(0x7f0000000080), 0x4) [ 51.345565][ T8093] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.352732][ T8093] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.370046][ T8093] device bridge_slave_1 entered promiscuous mode [ 51.412982][ T8096] chnl_net:caif_netlink_parms(): no params data found [ 51.434155][ T8093] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.458845][ T8093] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.509954][ T8093] team0: Port device team_slave_0 added [ 51.518453][ T8096] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.526430][ T8096] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.534316][ T8096] device bridge_slave_0 entered promiscuous mode [ 51.552954][ T8093] team0: Port device team_slave_1 added [ 51.569767][ T8096] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.579867][ T8096] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.588182][ T8096] device bridge_slave_1 entered promiscuous mode 05:13:31 executing program 3: creat(0x0, 0x198) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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) syz_read_part_table(0x0, 0x1, &(0x7f0000000480)=[{&(0x7f0000010000)="02006800000f000000000000000000008128b14700000000d59863d20000000002000f2020cc00000000ff0700740000000000000000000000000000000000000000000000000000000000000000000000000000000000008a6e94c0000055aa", 0x60, 0x1a0}]) [ 51.612989][ T8099] IPVS: ftp: loaded support on port[0] = 21 [ 51.668639][ T8093] device hsr_slave_0 entered promiscuous mode [ 51.736620][ T8093] device hsr_slave_1 entered promiscuous mode 05:13:31 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(r2, 0x4400ae8f, &(0x7f0000000640)={"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"}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f0000000080)=0x10000000002) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x40, 0x0, 0x0, 0x3}) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 51.818667][ T8096] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.870364][ T8101] IPVS: ftp: loaded support on port[0] = 21 [ 51.880281][ T8096] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.959484][ T8096] team0: Port device team_slave_0 added [ 51.981843][ T8096] team0: Port device team_slave_1 added [ 51.987860][ T8093] netdevsim netdevsim0 netdevsim0: renamed from eth0 05:13:32 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$SEG6_CMD_GET_TUNSRC(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x24, 0x0, 0x0, 0x0, 0x0, {}, [@SEG6_ATTR_DSTLEN={0x8, 0x2, 0x4}, @SEG6_ATTR_HMACKEYID={0x8}]}, 0x24}}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x5, &(0x7f0000000100)={&(0x7f0000000040)={0xc7, 0x34, 0x829, 0x0, 0x0, {0x3, 0x9}, [@nested={0x18, 0x0, [@typed={0x3b, 0x1, @ipv6=@loopback={0xffff000000000000}}]}]}, 0xfde8}, 0x1, 0xffffff7f0e000000}, 0x0) [ 52.071309][ T8103] IPVS: ftp: loaded support on port[0] = 21 [ 52.087120][ T8093] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.139851][ T8093] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.237185][ T8096] device hsr_slave_0 entered promiscuous mode [ 52.275104][ T8096] device hsr_slave_1 entered promiscuous mode [ 52.314711][ T8096] debugfs: Directory 'hsr0' with parent '/' already present! [ 52.346421][ T8093] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.446347][ T8105] IPVS: ftp: loaded support on port[0] = 21 [ 52.497303][ T8099] chnl_net:caif_netlink_parms(): no params data found [ 52.514865][ T8096] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 52.614250][ T8096] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 52.731191][ T8096] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 52.776465][ T8096] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 52.839553][ T8101] chnl_net:caif_netlink_parms(): no params data found [ 52.853188][ T8099] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.860846][ T8099] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.868620][ T8099] device bridge_slave_0 entered promiscuous mode [ 52.899191][ T8099] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.906451][ T8099] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.914101][ T8099] device bridge_slave_1 entered promiscuous mode [ 52.949490][ T8103] chnl_net:caif_netlink_parms(): no params data found [ 53.000089][ T8099] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.011780][ T8099] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.031250][ T8105] chnl_net:caif_netlink_parms(): no params data found [ 53.040631][ T8101] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.048203][ T8101] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.056204][ T8101] device bridge_slave_0 entered promiscuous mode [ 53.064350][ T8101] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.071479][ T8101] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.079208][ T8101] device bridge_slave_1 entered promiscuous mode [ 53.101865][ T8101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.133739][ T8101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.143058][ T8103] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.150434][ T8103] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.158146][ T8103] device bridge_slave_0 entered promiscuous mode [ 53.169015][ T8103] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.176127][ T8103] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.183883][ T8103] device bridge_slave_1 entered promiscuous mode [ 53.199741][ T8099] team0: Port device team_slave_0 added [ 53.225991][ T8103] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.240783][ T8105] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.249476][ T8105] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.257313][ T8105] device bridge_slave_0 entered promiscuous mode [ 53.265587][ T8099] team0: Port device team_slave_1 added [ 53.271343][ T8105] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.278497][ T8105] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.286211][ T8105] device bridge_slave_1 entered promiscuous mode [ 53.298939][ T8093] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.310927][ T8101] team0: Port device team_slave_0 added [ 53.318369][ T8101] team0: Port device team_slave_1 added [ 53.328862][ T8103] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.349879][ T8105] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.379871][ T8105] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.447423][ T8101] device hsr_slave_0 entered promiscuous mode [ 53.485074][ T8101] device hsr_slave_1 entered promiscuous mode [ 53.524704][ T8101] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.535432][ T8103] team0: Port device team_slave_0 added [ 53.596363][ T8099] device hsr_slave_0 entered promiscuous mode [ 53.644883][ T8099] device hsr_slave_1 entered promiscuous mode [ 53.694755][ T8099] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.712998][ T8103] team0: Port device team_slave_1 added [ 53.726549][ T8093] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.734680][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.743108][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.760797][ T8105] team0: Port device team_slave_0 added [ 53.827060][ T8103] device hsr_slave_0 entered promiscuous mode [ 53.865032][ T8103] device hsr_slave_1 entered promiscuous mode [ 53.924647][ T8103] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.933520][ T8105] team0: Port device team_slave_1 added [ 53.953475][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.961992][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.970589][ T2974] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.977779][ T2974] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.989382][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.066657][ T8105] device hsr_slave_0 entered promiscuous mode [ 54.105000][ T8105] device hsr_slave_1 entered promiscuous mode [ 54.164786][ T8105] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.177124][ T8096] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.228347][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.238169][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.247692][ T1102] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.254791][ T1102] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.262225][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.271239][ T8101] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 54.348688][ T8101] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 54.413559][ T8096] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.423479][ T8105] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 54.468616][ T8105] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 54.545099][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.553935][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.561787][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.569797][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.578551][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.587264][ T8101] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 54.649094][ T8105] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 54.690038][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.699066][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.708047][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.717437][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.726702][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.735450][ T2974] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.742547][ T2974] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.750175][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.758565][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.766858][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.775528][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.783754][ T2974] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.790831][ T2974] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.798393][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.806797][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.815073][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.824683][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.834732][ T8101] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 54.894295][ T8105] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 54.956600][ T8099] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.009774][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.025157][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.032577][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.041232][ T8103] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 55.085608][ T8099] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.118291][ T8099] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.179685][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.188403][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.196772][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.205549][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.213889][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.222531][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.230942][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.239576][ T8103] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 55.303373][ T8096] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.317843][ T8096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.327204][ T8099] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.360148][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.368438][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.377132][ T8103] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 55.441293][ T8093] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.470233][ T8103] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 55.514320][ T8096] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.533786][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.541414][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.600675][ T8105] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.621687][ T8101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.649035][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.658381][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.666712][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.674356][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.686583][ T8105] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.705586][ T8101] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.720718][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.730141][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.755935][ T1102] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.763051][ T1102] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.780871][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.789610][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.803201][ T1102] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.810396][ T1102] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.823391][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.832103][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.845838][ T1102] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.852882][ T1102] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.867365][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.878519][ T1102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.903135][ T8099] 8021q: adding VLAN 0 to HW filter on device bond0 [ 160.854555][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 160.861322][ C1] rcu: 1-...!: (1 GPs behind) idle=27e/1/0x4000000000000002 softirq=11494/11496 fqs=6 [ 160.871233][ C1] (t=10501 jiffies g=6173 q=246) [ 160.876255][ C1] rcu: rcu_preempt kthread starved for 10490 jiffies! g6173 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 160.887340][ C1] rcu: RCU grace-period kthread stack dump: [ 160.893225][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 160.901120][ C1] Call Trace: [ 160.904409][ C1] __schedule+0x9a0/0xcc0 [ 160.908742][ C1] schedule+0x181/0x210 [ 160.912889][ C1] schedule_timeout+0x14f/0x240 [ 160.917727][ C1] ? run_local_timers+0x120/0x120 [ 160.922744][ C1] rcu_gp_kthread+0xed8/0x1770 [ 160.927505][ C1] kthread+0x332/0x350 [ 160.931558][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 160.936656][ C1] ? kthread_blkcg+0xe0/0xe0 [ 160.941233][ C1] ret_from_fork+0x24/0x30 [ 160.945649][ C1] NMI backtrace for cpu 1 [ 160.949964][ C1] CPU: 1 PID: 7966 Comm: rsyslogd Not tainted 5.4.0-syzkaller #0 [ 160.957660][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.967702][ C1] Call Trace: [ 160.970975][ C1] [ 160.973817][ C1] dump_stack+0x1fb/0x318 [ 160.978135][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 160.982973][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 160.989119][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 160.995173][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 161.001138][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 161.007017][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 161.012123][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 161.017311][ C1] ? trace_hardirqs_off+0x74/0x80 [ 161.022321][ C1] update_process_times+0x12d/0x180 [ 161.027510][ C1] tick_sched_timer+0x263/0x420 [ 161.032347][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 161.037889][ C1] __hrtimer_run_queues+0x403/0x840 [ 161.043091][ C1] hrtimer_interrupt+0x38c/0xda0 [ 161.048031][ C1] ? debug_smp_processor_id+0x9/0x20 [ 161.053306][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 161.058839][ C1] apic_timer_interrupt+0xf/0x20 [ 161.063759][ C1] [ 161.066687][ C1] RIP: 0010:free_thread_stack+0x124/0x590 [ 161.072392][ C1] Code: ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 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 [ 161.091979][ C1] RSP: 0018:ffffc90001a67a60 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 161.100374][ C1] RAX: ffffffff81486ea4 RBX: ffffea0002a2ee40 RCX: ffff888096220400 [ 161.108332][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a2ee40 [ 161.116290][ C1] RBP: ffffc90001a67a98 R08: 000000000003a768 R09: ffffed1015117f2f [ 161.124247][ C1] R10: ffffed1015117f2f R11: 0000000000000000 R12: ffff8880a78dbc20 [ 161.132202][ C1] R13: dffffc0000000000 R14: 1ffff11014f1b784 R15: ffff8880a88bf968 [ 161.140174][ C1] ? free_thread_stack+0x124/0x590 [ 161.145281][ C1] put_task_stack+0xa3/0x130 [ 161.149864][ C1] finish_task_switch+0x3f1/0x550 [ 161.154880][ C1] __schedule+0x9a8/0xcc0 [ 161.159206][ C1] schedule+0x181/0x210 [ 161.163351][ C1] do_syslog+0xdc7/0x1740 [ 161.167671][ C1] ? init_wait_entry+0xe0/0xe0 [ 161.172433][ C1] kmsg_read+0x94/0xd0 [ 161.176489][ C1] ? mmap_vmcore_fault+0x10/0x10 [ 161.181415][ C1] proc_reg_read+0x1e2/0x2d0 [ 161.185993][ C1] ? proc_reg_llseek+0x2c0/0x2c0 [ 161.191700][ C1] __vfs_read+0xb8/0x730 [ 161.195952][ C1] ? security_file_permission+0x23c/0x350 [ 161.201657][ C1] ? rw_verify_area+0x1c2/0x360 [ 161.207102][ C1] vfs_read+0x1dd/0x420 [ 161.211247][ C1] ksys_read+0x117/0x220 [ 161.215483][ C1] __x64_sys_read+0x7b/0x90 [ 161.219973][ C1] do_syscall_64+0xf7/0x1c0 [ 161.224462][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.230339][ C1] RIP: 0033:0x7f77dc1cd1fd [ 161.234742][ C1] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 161.254349][ C1] RSP: 002b:00007f77d976ce30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 161.262746][ C1] RAX: ffffffffffffffda RBX: 00000000011cb650 RCX: 00007f77dc1cd1fd [ 161.270704][ C1] RDX: 0000000000000fff RSI: 00007f77dafa15a0 RDI: 0000000000000004 [ 161.278676][ C1] RBP: 0000000000000000 R08: 00000000011b6260 R09: 0000000000000000 [ 161.286640][ C1] R10: 203a7463656a626f R11: 0000000000000293 R12: 000000000065e420 [ 161.294603][ C1] R13: 00007f77d976d9c0 R14: 00007f77dc812040 R15: 0000000000000003