[ 43.011358][ T23] audit: type=1800 audit(1575405135.515:25): pid=7952 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.060856][ T23] audit: type=1800 audit(1575405135.515:26): pid=7952 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.090799][ T23] audit: type=1800 audit(1575405135.515:27): pid=7952 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.110835][ T23] audit: type=1800 audit(1575405135.515:28): pid=7952 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 '10.128.0.209' (ECDSA) to the list of known hosts. 2019/12/03 20:32:26 fuzzer started 2019/12/03 20:32:27 dialing manager at 10.128.0.26:42111 2019/12/03 20:32:27 syscalls: 2689 2019/12/03 20:32:27 code coverage: enabled 2019/12/03 20:32:27 comparison tracing: enabled 2019/12/03 20:32:27 extra coverage: extra coverage is not supported by the kernel 2019/12/03 20:32:27 setuid sandbox: enabled 2019/12/03 20:32:27 namespace sandbox: enabled 2019/12/03 20:32:27 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 20:32:27 fault injection: enabled 2019/12/03 20:32:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 20:32:27 net packet injection: enabled 2019/12/03 20:32:27 net device setup: enabled 2019/12/03 20:32:27 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 20:32:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:32:28 executing program 0: r0 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) connect$netrom(r0, &(0x7f0000000000)={{0x6, @rose}, [@rose, @rose, @default, @netrom, @bcast, @rose, @rose, @null]}, 0x48) 20:32:28 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-avx\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000007f00)=[{{&(0x7f00000056c0)=@can={0x1d, 0x0, 0x797ff5f, 0x5fff9930}, 0xf940, &(0x7f00000000c0)}}, {{&(0x7f0000005900)=@pppoe={0x18, 0x40000, {0x0, @link_local, 'syzkaller0\x00'}}, 0x80, &(0x7f0000007ac0), 0x1a9, &(0x7f0000007b00)}}], 0x3fffffffffffe0d, 0x0) syzkaller login: [ 56.430258][ T8115] IPVS: ftp: loaded support on port[0] = 21 [ 56.465850][ T8117] IPVS: ftp: loaded support on port[0] = 21 20:32:29 executing program 2: r0 = syz_open_dev$sndctrl(&(0x7f00000000c0)='/dev/snd/controlC#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000001000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x3, 0x0, 0x8ce, 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, 0x2}, 0x1000000000c}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0xc1105518, &(0x7f0000001000)) [ 56.613402][ T8115] chnl_net:caif_netlink_parms(): no params data found [ 56.641702][ T8117] chnl_net:caif_netlink_parms(): no params data found [ 56.745317][ T8115] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.760462][ T8115] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.779200][ T8115] device bridge_slave_0 entered promiscuous mode [ 56.788661][ T8117] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.797707][ T8117] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.806604][ T8117] device bridge_slave_0 entered promiscuous mode [ 56.815402][ T8115] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.824182][ T8115] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.833235][ T8115] device bridge_slave_1 entered promiscuous mode 20:32:29 executing program 3: perf_event_open(&(0x7f00000005c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) bind$netlink(r0, &(0x7f0000000040)={0x10, 0x0, 0x0, 0x200400}, 0xc) [ 56.847373][ T8117] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.856093][ T8117] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.865071][ T8117] device bridge_slave_1 entered promiscuous mode [ 56.902776][ T8121] IPVS: ftp: loaded support on port[0] = 21 [ 56.916477][ T8115] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.931365][ T8117] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.953809][ T8115] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.965636][ T8117] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.013760][ T8115] team0: Port device team_slave_0 added [ 57.031170][ T8117] team0: Port device team_slave_0 added [ 57.039145][ T8117] team0: Port device team_slave_1 added [ 57.052814][ T8115] team0: Port device team_slave_1 added 20:32:29 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000100)="0815b5055e0bcfe87b3071") syz_mount_image$xfs(&(0x7f0000000280)='xfs\x00', &(0x7f00000002c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)={[{@inode64='inode64'}]}) [ 57.152543][ T8117] device hsr_slave_0 entered promiscuous mode [ 57.201871][ T8117] device hsr_slave_1 entered promiscuous mode [ 57.255985][ T8124] IPVS: ftp: loaded support on port[0] = 21 [ 57.293277][ T8121] chnl_net:caif_netlink_parms(): no params data found 20:32:29 executing program 5: socketpair(0x1, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x0}) write$cgroup_int(r1, &(0x7f0000000980), 0xffffff4d) close(r1) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 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, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(r0, &(0x7f0000000200)={&(0x7f0000000040)=@ax25, 0x2, &(0x7f0000000000)=[{&(0x7f0000000080)=""/151, 0xffffff77}], 0x1, &(0x7f00000001c0)=""/17, 0xffda}, 0x0) [ 57.361941][ T8115] device hsr_slave_0 entered promiscuous mode [ 57.401589][ T8115] device hsr_slave_1 entered promiscuous mode [ 57.439695][ T8115] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.493420][ T8126] IPVS: ftp: loaded support on port[0] = 21 [ 57.515504][ T8117] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.585439][ T8117] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.662994][ T8121] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.671251][ T8121] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.678834][ T8121] device bridge_slave_0 entered promiscuous mode [ 57.687966][ T8121] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.696274][ T8121] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.704327][ T8121] device bridge_slave_1 entered promiscuous mode [ 57.727342][ T8117] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.803550][ T8117] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.856837][ T8128] IPVS: ftp: loaded support on port[0] = 21 [ 57.873183][ T8115] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.931883][ T8121] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.943881][ T8121] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.965870][ T8121] team0: Port device team_slave_0 added [ 57.976263][ T8121] team0: Port device team_slave_1 added [ 57.983903][ T8115] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.047241][ T8115] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.101236][ T8115] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.182587][ T8121] device hsr_slave_0 entered promiscuous mode [ 58.240584][ T8121] device hsr_slave_1 entered promiscuous mode [ 58.269652][ T8121] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.332401][ T8124] chnl_net:caif_netlink_parms(): no params data found [ 58.365497][ T8124] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.373359][ T8124] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.381409][ T8124] device bridge_slave_0 entered promiscuous mode [ 58.389163][ T8124] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.396431][ T8124] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.404392][ T8124] device bridge_slave_1 entered promiscuous mode [ 58.454804][ T8126] chnl_net:caif_netlink_parms(): no params data found [ 58.465560][ T8124] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.507609][ T8124] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.538665][ T8121] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.584803][ T8121] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.641810][ T8121] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.718591][ T8121] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.759122][ T8124] team0: Port device team_slave_0 added [ 58.765820][ T8126] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.773445][ T8126] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.781182][ T8126] device bridge_slave_0 entered promiscuous mode [ 58.789277][ T8126] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.801457][ T8126] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.809252][ T8126] device bridge_slave_1 entered promiscuous mode [ 58.820785][ T8128] chnl_net:caif_netlink_parms(): no params data found [ 58.835150][ T8124] team0: Port device team_slave_1 added [ 58.884171][ T8126] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.896470][ T8126] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.933334][ T8128] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.942178][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.951443][ T8128] device bridge_slave_0 entered promiscuous mode [ 58.975014][ T8126] team0: Port device team_slave_0 added [ 58.985112][ T8117] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.993479][ T8128] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.000984][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.008715][ T8128] device bridge_slave_1 entered promiscuous mode [ 59.051589][ T8124] device hsr_slave_0 entered promiscuous mode [ 59.089912][ T8124] device hsr_slave_1 entered promiscuous mode [ 59.129953][ T8124] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.145001][ T8126] team0: Port device team_slave_1 added [ 59.166133][ T8128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.185102][ T8115] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.194868][ T8128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.207013][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.215975][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.227155][ T8117] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.291946][ T8126] device hsr_slave_0 entered promiscuous mode [ 59.340071][ T8126] device hsr_slave_1 entered promiscuous mode [ 59.379699][ T8126] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.395952][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.404930][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.413497][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.420826][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.428751][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.456399][ T8128] team0: Port device team_slave_0 added [ 59.465287][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.475017][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.504528][ T8121] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.512751][ T8124] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.542146][ T8115] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.548969][ T8124] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.593183][ T8128] team0: Port device team_slave_1 added [ 59.598971][ T8124] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.650772][ T8126] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.703880][ T8126] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.752473][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.761062][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.769785][ T47] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.776837][ T47] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.784611][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.793968][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.809958][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.817701][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.827028][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.835915][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.844707][ T2978] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.851843][ T2978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.861752][ T8124] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.922959][ T8126] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.974237][ T8121] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.981264][ T8126] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.024144][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.035177][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.044072][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.052949][ T2978] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.060163][ T2978] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.111737][ T8128] device hsr_slave_0 entered promiscuous mode [ 60.159967][ T8128] device hsr_slave_1 entered promiscuous mode [ 60.199899][ T8128] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.242259][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.251191][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.260475][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.270607][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.279163][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.286341][ T8134] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.294473][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.303153][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.313353][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.320572][ T8134] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.328080][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.336738][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.345379][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.354294][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.362957][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.371946][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.380690][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.391026][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.400266][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.408701][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.417484][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.426441][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.434547][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.459299][ T8115] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.471891][ T8115] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.494618][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.503424][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.514619][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.524506][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.533094][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.541710][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.550161][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.558513][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.567204][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.575486][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.584165][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.592655][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.601041][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.609403][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.618226][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.625933][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.638651][ T8117] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.651384][ T8117] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.673604][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.694333][ T8115] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.701467][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.710405][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.718326][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.727110][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.758478][ T8128] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.783447][ T8128] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.841784][ T8128] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.882326][ T8128] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.956715][ T8117] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.986960][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.997907][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.006280][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.014718][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.053905][ T8121] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.072964][ T8124] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.126933][ T8124] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.142629][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.157338][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.178096][ T8126] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.217294][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.227456][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.243031][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.250157][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.264169][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.273899][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.287014][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.294127][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.307875][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 166.129460][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.136245][ C1] rcu: 1-...!: (10499 ticks this GP) idle=896/1/0x4000000000000002 softirq=11295/11295 fqs=9 [ 166.147425][ C1] (t=10501 jiffies g=6225 q=302) [ 166.158275][ C1] rcu: rcu_preempt kthread starved for 10483 jiffies! g6225 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.169372][ C1] rcu: RCU grace-period kthread stack dump: [ 166.175251][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.183142][ C1] Call Trace: [ 166.186685][ C1] __schedule+0x9a0/0xcc0 [ 166.191098][ C1] schedule+0x181/0x210 [ 166.195252][ C1] schedule_timeout+0x14f/0x240 [ 166.200089][ C1] ? run_local_timers+0x120/0x120 [ 166.205103][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.209864][ C1] kthread+0x332/0x350 [ 166.214094][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.219197][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.224296][ C1] ret_from_fork+0x24/0x30 [ 166.228714][ C1] NMI backtrace for cpu 1 [ 166.233050][ C1] CPU: 1 PID: 8137 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 166.240485][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.250526][ C1] Call Trace: [ 166.253809][ C1] [ 166.256660][ C1] dump_stack+0x1fb/0x318 [ 166.262109][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.266951][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.273093][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.279151][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.285123][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.291003][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.296105][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.301292][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.306321][ C1] update_process_times+0x12d/0x180 [ 166.311507][ C1] tick_sched_timer+0x263/0x420 [ 166.316345][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.321879][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.327079][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.332803][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.338081][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.343612][ C1] apic_timer_interrupt+0xf/0x20 [ 166.348531][ C1] [ 166.351458][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 166.357513][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 [ 166.377116][ C1] RSP: 0018:ffffc900025e79e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.385513][ C1] RAX: 1ffff110117fa471 RBX: ffffea000269d240 RCX: ffff888093a74680 [ 166.393470][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000269d240 [ 166.401443][ C1] RBP: ffffc900025e7a28 R08: 000000000003a768 R09: ffffed10140d06ff [ 166.409405][ C1] R10: ffffed10140d06ff R11: 0000000000000000 R12: ffff88808bfd2420 [ 166.419192][ C1] R13: dffffc0000000000 R14: 1ffff110117fa484 R15: ffff8880a06837e8 [ 166.427170][ C1] ? free_thread_stack+0x124/0x590 [ 166.433577][ C1] put_task_stack+0xa3/0x130 [ 166.438156][ C1] finish_task_switch+0x3f1/0x550 [ 166.443179][ C1] __schedule+0x9a8/0xcc0 [ 166.447503][ C1] ? ___preempt_schedule+0x16/0x18 [ 166.452601][ C1] preempt_schedule+0xdb/0x120 [ 166.457354][ C1] ___preempt_schedule+0x16/0x18 [ 166.462283][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 166.467903][ C1] __wake_up_sync_key+0xe2/0x150 [ 166.472837][ C1] pipe_release+0x17b/0x330 [ 166.477856][ C1] ? fifo_open+0xc70/0xc70 [ 166.482358][ C1] __fput+0x2e4/0x740 [ 166.486333][ C1] ____fput+0x15/0x20 [ 166.490305][ C1] task_work_run+0x17e/0x1b0 [ 166.494933][ C1] do_exit+0x5c4/0x2020 [ 166.499777][ C1] ? check_preemption_disabled+0xb4/0x260 [ 166.505492][ C1] do_group_exit+0x15c/0x2b0 [ 166.510074][ C1] __do_sys_exit_group+0x17/0x20 [ 166.514997][ C1] __se_sys_exit_group+0x14/0x20 [ 166.519924][ C1] __x64_sys_exit_group+0x3b/0x40 [ 166.524934][ C1] do_syscall_64+0xf7/0x1c0 [ 166.529525][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.535954][ C1] RIP: 0033:0x7eff3fcad1e8 [ 166.540416][ C1] Code: Bad RIP value. [ 166.544479][ C1] RSP: 002b:00007ffcac2d7168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 166.552910][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007eff3fcad1e8 [ 166.560881][ C1] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 166.568845][ C1] RBP: 00007eff3ff82840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 166.577849][ C1] R10: 00007eff3ff88740 R11: 0000000000000246 R12: 00007eff3ff82840 [ 166.585811][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000