[ 42.349054][ T25] audit: type=1800 audit(1575454873.560:27): pid=7953 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.394413][ T25] audit: type=1800 audit(1575454873.560:28): pid=7953 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. [ 43.096566][ T25] audit: type=1800 audit(1575454874.400:29): pid=7953 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 43.116353][ T25] audit: type=1800 audit(1575454874.400:30): pid=7953 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 '10.128.1.0' (ECDSA) to the list of known hosts. 2019/12/04 10:21:23 fuzzer started 2019/12/04 10:21:25 dialing manager at 10.128.0.26:36481 2019/12/04 10:21:25 syscalls: 2691 2019/12/04 10:21:25 code coverage: enabled 2019/12/04 10:21:25 comparison tracing: enabled 2019/12/04 10:21:25 extra coverage: extra coverage is not supported by the kernel 2019/12/04 10:21:25 setuid sandbox: enabled 2019/12/04 10:21:25 namespace sandbox: enabled 2019/12/04 10:21:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 10:21:25 fault injection: enabled 2019/12/04 10:21:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 10:21:25 net packet injection: enabled 2019/12/04 10:21:25 net device setup: enabled 2019/12/04 10:21:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 10:21:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:21:26 executing program 0: r0 = syz_open_dev$dri(&(0x7f0000000000)='/dev/dri/card#\x00', 0x0, 0x0) ioctl(r0, 0xfffffbfffff3ffa7, &(0x7f0000000080)) 10:21:26 executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) sendmmsg$alg(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, 0x0, 0x0) mmap$usbfs(&(0x7f00001ed000/0x2000)=nil, 0x2000, 0x0, 0x10, 0xffffffffffffffff, 0x0) ioctl$EVIOCREVOKE(0xffffffffffffffff, 0x40044591, &(0x7f0000000200)=0xc98) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f00000002c0)={0x0, @in6={{0xa, 0x0, 0x1f, @mcast2}}}, 0x90) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x6}, 0x1c) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3660, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$nl_xfrm(r1, &(0x7f0000000080)={0x0, 0xffffffffffffff7c, &(0x7f00000bfff0)={&(0x7f0000006440)=ANY=[@ANYBLOB="b800000019000100000006005b000000ff01080000ffffffffffffffe2000001e0806bf000000000c00000000000000000000000fdffffff0a0001000000002e", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000fbbccf810000000000000000fd85d16e79bad40ac3794899000000000000000000000000000000d94bfeadbfce0d4ed6f71b242b42000000ea0000000000000000000000000000000000000500000000000000000000000000000000000000e6010000000100000000002000"], 0xb8}}, 0x0) sendmmsg(r0, &(0x7f000000ac80), 0x66, 0x0) r2 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e8, 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, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = perf_event_open(&(0x7f000025c000)={0x400000001, 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, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={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, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r3, 0x2405, 0xffffffffffffffff) dup2(r2, 0xffffffffffffffff) mmap$perf(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x2000000, 0x10, r3, 0x0) socket$inet_udp(0x2, 0x2, 0x0) syz_open_dev$amidi(0x0, 0x80000000, 0x30400) getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, 0x0, &(0x7f0000000040)) openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control\x00', 0x40, 0x0) syzkaller login: [ 55.057278][ T8116] IPVS: ftp: loaded support on port[0] = 21 10:21:26 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0xe, 0x16, &(0x7f0000000140)=ANY=[@ANYBLOB="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"/371], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000040), 0x1f1, 0x10, &(0x7f0000000000), 0x103}, 0x48) [ 55.227168][ T8116] chnl_net:caif_netlink_parms(): no params data found [ 55.264101][ T8119] IPVS: ftp: loaded support on port[0] = 21 [ 55.277888][ T8116] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.285562][ T8116] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.293632][ T8116] device bridge_slave_0 entered promiscuous mode [ 55.303350][ T8116] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.310629][ T8116] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.319332][ T8116] device bridge_slave_1 entered promiscuous mode [ 55.350994][ T8116] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.364590][ T8116] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.398931][ T8116] team0: Port device team_slave_0 added [ 55.407890][ T8116] team0: Port device team_slave_1 added [ 55.477122][ T8116] device hsr_slave_0 entered promiscuous mode 10:21:26 executing program 3: r0 = syz_open_dev$video4linux(&(0x7f0000000040)='/dev/v4l-subdev#\x00', 0x0, 0x0) ioctl$VIDIOC_SUBDEV_S_FMT(r0, 0xc0585605, &(0x7f0000000080)={0x0, 0x0, {0x0, 0x0, 0x300d}}) [ 55.526621][ T8116] device hsr_slave_1 entered promiscuous mode [ 55.614757][ T8121] IPVS: ftp: loaded support on port[0] = 21 10:21:27 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x2c, &(0x7f0000000040)=[@in={0x2, 0x4e24, @loopback}, @in6={0xa, 0x4e24, 0x0, @ipv4={[], [], @dev}}]}, &(0x7f0000000140)=0x10) [ 55.768081][ T8116] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.820538][ T8116] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.879750][ T8116] netdevsim netdevsim0 netdevsim2: renamed from eth2 10:21:27 executing program 5: r0 = openat$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, 0xc100, 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, 0x10000003, 0x4, @perf_config_ext={0x0, 0x7}, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f000002e000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) openat(0xffffffffffffffff, &(0x7f00000000c0)='./bus\x00', 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$KVM_GET_EMULATED_CPUID(0xffffffffffffffff, 0xc008ae09, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000049000/0x18000)=nil, &(0x7f0000000080)=[@textreal={0x8, 0x0}], 0x1, 0x0, 0x0, 0xffffffffffffff11) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 55.960094][ T8119] chnl_net:caif_netlink_parms(): no params data found [ 55.983093][ T8116] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.048210][ T8125] IPVS: ftp: loaded support on port[0] = 21 [ 56.065261][ T8126] IPVS: ftp: loaded support on port[0] = 21 [ 56.151174][ T8119] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.161173][ T8119] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.169391][ T8119] device bridge_slave_0 entered promiscuous mode [ 56.206341][ T8119] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.213422][ T8119] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.222409][ T8119] device bridge_slave_1 entered promiscuous mode [ 56.250620][ T8129] IPVS: ftp: loaded support on port[0] = 21 [ 56.261572][ T8121] chnl_net:caif_netlink_parms(): no params data found [ 56.273446][ T8116] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.280985][ T8116] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.288555][ T8116] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.295996][ T8116] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.312126][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.320155][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.330898][ T8119] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.351410][ T8119] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.419556][ T8121] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.426821][ T8121] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.434421][ T8121] device bridge_slave_0 entered promiscuous mode [ 56.442273][ T8121] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.449451][ T8121] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.457304][ T8121] device bridge_slave_1 entered promiscuous mode [ 56.471811][ T8119] team0: Port device team_slave_0 added [ 56.494384][ T8119] team0: Port device team_slave_1 added [ 56.512276][ T8121] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.523794][ T8125] chnl_net:caif_netlink_parms(): no params data found [ 56.551945][ T8121] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.619108][ T8119] device hsr_slave_0 entered promiscuous mode [ 56.636621][ T8119] device hsr_slave_1 entered promiscuous mode [ 56.676094][ T8119] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.685539][ T8121] team0: Port device team_slave_0 added [ 56.695817][ T8121] team0: Port device team_slave_1 added [ 56.747131][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.754201][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.762023][ T8125] device bridge_slave_0 entered promiscuous mode [ 56.807575][ T8121] device hsr_slave_0 entered promiscuous mode [ 56.846256][ T8121] device hsr_slave_1 entered promiscuous mode [ 56.897843][ T8121] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.910468][ T8126] chnl_net:caif_netlink_parms(): no params data found [ 56.924374][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.931947][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.942053][ T8125] device bridge_slave_1 entered promiscuous mode [ 56.970860][ T8116] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.999719][ T8119] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.066737][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.081942][ T8126] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.089131][ T8126] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.096807][ T8126] device bridge_slave_0 entered promiscuous mode [ 57.105669][ T8126] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.113087][ T8126] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.120775][ T8126] device bridge_slave_1 entered promiscuous mode [ 57.132420][ T8119] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.168601][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.197534][ T8119] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.234455][ T8119] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.294905][ T8116] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.304005][ T8126] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.321480][ T8125] team0: Port device team_slave_0 added [ 57.328638][ T8121] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.394674][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.402795][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.413420][ T8126] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.435017][ T8125] team0: Port device team_slave_1 added [ 57.449775][ T8121] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.497518][ T8121] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.539686][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.548448][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.556962][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.564008][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.573172][ T8126] team0: Port device team_slave_0 added [ 57.581280][ T8126] team0: Port device team_slave_1 added [ 57.599063][ T8121] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.650236][ T8129] chnl_net:caif_netlink_parms(): no params data found [ 57.698221][ T8125] device hsr_slave_0 entered promiscuous mode [ 57.736306][ T8125] device hsr_slave_1 entered promiscuous mode [ 57.775996][ T8125] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.848810][ T8126] device hsr_slave_0 entered promiscuous mode [ 57.886434][ T8126] device hsr_slave_1 entered promiscuous mode [ 57.926078][ T8126] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.947738][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.957415][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.965685][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.972762][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.980348][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.989558][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.998400][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.007932][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.017720][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.026636][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.035460][ T8135] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.094171][ T8125] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.131112][ T8125] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.196634][ T7784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.205454][ T7784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.230824][ T8125] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.278742][ T8125] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.338777][ T8126] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.393168][ T8126] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.438169][ T8116] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.449965][ T8116] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.458463][ T7784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.467634][ T7784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.482463][ T8126] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.518027][ T8129] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.525099][ T8129] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.533556][ T8129] device bridge_slave_0 entered promiscuous mode [ 58.542679][ T8129] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.549833][ T8129] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.557830][ T8129] device bridge_slave_1 entered promiscuous mode [ 58.584978][ T8126] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.620191][ T8129] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.632424][ T8129] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.643796][ T8119] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.658290][ T8116] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.681906][ T7784] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.690134][ T7784] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.709044][ T7784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.720202][ T7784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.743941][ T8129] team0: Port device team_slave_0 added [ 58.751613][ T8119] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.781718][ T8129] team0: Port device team_slave_1 added [ 58.816565][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.832478][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.841158][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.848277][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.861980][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.871005][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.884830][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.891928][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.905680][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.915354][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 163.795857][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.802630][ C0] rcu: 0-...!: (10499 ticks this GP) idle=d5a/1/0x4000000000000002 softirq=10551/10551 fqs=39 [ 163.813183][ C0] (t=10500 jiffies g=6037 q=63) [ 163.818113][ C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g6037 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 163.829195][ C0] rcu: RCU grace-period kthread stack dump: [ 163.835155][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.843135][ C0] Call Trace: [ 163.846414][ C0] __schedule+0x9a0/0xcc0 [ 163.850741][ C0] schedule+0x181/0x210 [ 163.854881][ C0] schedule_timeout+0x14f/0x240 [ 163.859715][ C0] ? run_local_timers+0x120/0x120 [ 163.864726][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.869481][ C0] kthread+0x332/0x350 [ 163.873534][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.878628][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.883202][ C0] ret_from_fork+0x24/0x30 [ 163.887615][ C0] NMI backtrace for cpu 0 [ 163.891938][ C0] CPU: 0 PID: 8138 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 163.900154][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.910190][ C0] Call Trace: [ 163.913456][ C0] [ 163.916294][ C0] dump_stack+0x1fb/0x318 [ 163.920609][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.925474][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.931622][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.937675][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.943643][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.949526][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.954628][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.959818][ C0] ? trace_hardirqs_off+0x74/0x80 [ 163.964842][ C0] update_process_times+0x12d/0x180 [ 163.970032][ C0] tick_sched_timer+0x263/0x420 [ 163.974867][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.980398][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.985598][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.990540][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.995812][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.001341][ C0] apic_timer_interrupt+0xf/0x20 [ 164.006259][ C0] [ 164.009183][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 164.015323][ C0] Code: 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 164.034913][ C0] RSP: 0018:ffffc900022d77b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.043309][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: 0000000000040000 [ 164.051268][ C0] RDX: ffffc90002039000 RSI: 000000000003ffff RDI: 0000000000040000 [ 164.059246][ C0] RBP: ffffc900022d77d8 R08: dffffc0000000000 R09: fffffbfff120248a [ 164.067220][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 164.075175][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a1a29768 [ 164.083269][ C0] ? mod_memcg_page_state+0x123/0x190 [ 164.088640][ C0] ? mod_memcg_page_state+0x123/0x190 [ 164.094002][ C0] free_thread_stack+0x168/0x590 [ 164.098932][ C0] put_task_stack+0xa3/0x130 [ 164.103512][ C0] finish_task_switch+0x3f1/0x550 [ 164.108530][ C0] __schedule+0x9a8/0xcc0 [ 164.112858][ C0] preempt_schedule_irq+0xc1/0x140 [ 164.117954][ C0] retint_kernel+0x1b/0x2b [ 164.122360][ C0] RIP: 0010:link_path_walk+0x29b/0x1410 [ 164.128078][ C0] Code: fe fe fe fe 48 89 c1 4c 01 e8 49 01 cf 49 09 c7 48 b8 80 80 80 80 80 80 80 80 49 21 c6 4c 89 f6 4c 21 fe 31 ff e8 05 00 b7 ff <4d> 21 fe 74 10 e8 cb fb b6 ff 45 31 e4 45 31 ff eb 7f 0f 1f 00 41 [ 164.148370][ C0] RSP: 0018:ffffc900022d7a30 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff02 [ 164.159730][ C0] RAX: 0000000000000002 RBX: ffff888218558600 RCX: fefefefefefefeff [ 164.167690][ C0] RDX: ffff88809e8a4040 RSI: 8000000080000000 RDI: 0000000000000000 [ 164.175653][ C0] RBP: ffffc900022d7b18 R08: ffffffff81bf9dab R09: ffffc900022d7950 [ 164.183617][ C0] R10: fffff5200045af2e R11: 0000000000000000 R12: dffffc0000000000 [ 164.191579][ C0] R13: 2f6972642f766564 R14: 8080808080808080 R15: ff6d7d6bff7d6d6b [ 164.199554][ C0] ? link_path_walk+0x29b/0x1410 [ 164.204505][ C0] path_openat+0x139/0x44a0 [ 164.208997][ C0] ? __kasan_kmalloc+0x178/0x1b0 [ 164.213927][ C0] ? __lock_acquire+0xc75/0x1be0 [ 164.218895][ C0] do_filp_open+0x192/0x3d0 [ 164.223413][ C0] do_sys_open+0x29f/0x560 [ 164.227822][ C0] __x64_sys_open+0x87/0x90 [ 164.232311][ C0] do_syscall_64+0xf7/0x1c0 [ 164.239666][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.245540][ C0] RIP: 0033:0x414411 [ 164.249423][ C0] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 164.269010][ C0] RSP: 002b:00007f3187a4b7a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 164.277402][ C0] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000414411 [ 164.285359][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f3187a4b850 [ 164.293316][ C0] RBP: 000000000075bf20 R08: 000000000000000f R09: 0000000000000000 [ 164.301270][ C0] R10: 00007f3187a4c9d0 R11: 0000000000000293 R12: 00007f3187a4c6d4 [ 164.309229][ C0] R13: 00000000004cac18 R14: 00000000004e40c8 R15: 00000000ffffffff