[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.858439][ T26] audit: type=1800 audit(1578466761.107:25): pid=8379 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.889749][ T26] audit: type=1800 audit(1578466761.117:26): pid=8379 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.923441][ T26] audit: type=1800 audit(1578466761.117:27): pid=8379 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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 '10.128.1.40' (ECDSA) to the list of known hosts. 2020/01/08 06:59:29 fuzzer started 2020/01/08 06:59:31 dialing manager at 10.128.0.26:35703 2020/01/08 06:59:31 syscalls: 2824 2020/01/08 06:59:31 code coverage: enabled 2020/01/08 06:59:31 comparison tracing: enabled 2020/01/08 06:59:31 extra coverage: enabled 2020/01/08 06:59:31 setuid sandbox: enabled 2020/01/08 06:59:31 namespace sandbox: enabled 2020/01/08 06:59:31 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:59:31 fault injection: enabled 2020/01/08 06:59:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:59:31 net packet injection: enabled 2020/01/08 06:59:31 net device setup: enabled 2020/01/08 06:59:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:59:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:59:32 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f00000000c0)=ANY=[@ANYBLOB="b702000003000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000010000006a0a00fe00000000850000000d000000b7000000000000009500000000000000"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x1bc}, 0x48) 06:59:32 executing program 1: perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x1f, 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, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f00000000c0)='vboxnet0md5sum\x00', 0x0) write(r0, &(0x7f0000000040)="06", 0x1) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x80000000004, 0x11, r0, 0x0) r1 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r1, 0x10d, 0xed, 0x0, &(0x7f0000000000)) syzkaller login: [ 64.165688][ T8547] IPVS: ftp: loaded support on port[0] = 21 06:59:32 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x9, 0x4, &(0x7f0000000040)=@framed={{}, [@map={0x18, 0x0, 0x1, 0x0, 0xffffffffffffffff, 0x0, 0x2, 0x2}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 64.333251][ T8547] chnl_net:caif_netlink_parms(): no params data found [ 64.374089][ T8550] IPVS: ftp: loaded support on port[0] = 21 [ 64.399455][ T8547] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.407131][ T8547] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.416265][ T8547] device bridge_slave_0 entered promiscuous mode [ 64.426354][ T8547] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.441456][ T8547] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.461826][ T8547] device bridge_slave_1 entered promiscuous mode [ 64.507148][ T8547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.555131][ T8547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.566322][ T8552] IPVS: ftp: loaded support on port[0] = 21 06:59:32 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x20000000021) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x9}, 0x1c) sendto$inet6(r0, &(0x7f0000000000), 0xff77, 0x0, 0x0, 0x4d97) [ 64.622677][ T8547] team0: Port device team_slave_0 added [ 64.639216][ T8547] team0: Port device team_slave_1 added [ 64.766367][ T8555] IPVS: ftp: loaded support on port[0] = 21 [ 64.803541][ T8547] device hsr_slave_0 entered promiscuous mode 06:59:33 executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff}, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc0\x00', 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f00000001c0)='9p\x00', 0x0, &(0x7f0000000300)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 64.852090][ T8547] device hsr_slave_1 entered promiscuous mode [ 64.884001][ T8550] chnl_net:caif_netlink_parms(): no params data found [ 65.083198][ T8550] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.090511][ T8550] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.100413][ T8550] device bridge_slave_0 entered promiscuous mode [ 65.135974][ T8558] IPVS: ftp: loaded support on port[0] = 21 [ 65.146175][ T8550] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.154050][ T8550] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.164095][ T8550] device bridge_slave_1 entered promiscuous mode [ 65.171192][ T8552] chnl_net:caif_netlink_parms(): no params data found 06:59:33 executing program 5: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r1, &(0x7f0000000340)=ANY=[@ANYRESHEX=0x0, @ANYPTR, @ANYRES64=0x0, @ANYPTR64], 0x2a) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'xxhash64\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r3, 0x0, 0x80000001, 0x0) [ 65.235532][ T8547] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.320209][ T8550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.344233][ T8547] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.384022][ T8550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.407278][ T8555] chnl_net:caif_netlink_parms(): no params data found [ 65.422353][ T8547] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.477074][ T8547] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.543979][ T8561] IPVS: ftp: loaded support on port[0] = 21 [ 65.565661][ T8550] team0: Port device team_slave_0 added [ 65.577355][ T8552] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.585192][ T8552] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.592911][ T8552] device bridge_slave_0 entered promiscuous mode [ 65.601582][ T8552] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.608643][ T8552] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.616497][ T8552] device bridge_slave_1 entered promiscuous mode [ 65.626499][ T8550] team0: Port device team_slave_1 added [ 65.704137][ T8550] device hsr_slave_0 entered promiscuous mode [ 65.751645][ T8550] device hsr_slave_1 entered promiscuous mode [ 65.801603][ T8550] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.809428][ T8550] Cannot create hsr debugfs directory [ 65.848741][ T8552] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.876563][ T8555] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.884531][ T8555] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.894686][ T8555] device bridge_slave_0 entered promiscuous mode [ 65.903775][ T8552] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.934979][ T8555] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.943632][ T8555] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.951257][ T8555] device bridge_slave_1 entered promiscuous mode [ 66.033969][ T8558] chnl_net:caif_netlink_parms(): no params data found [ 66.050723][ T8555] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.064132][ T8555] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.083824][ T8552] team0: Port device team_slave_0 added [ 66.100185][ T8550] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.159373][ T8550] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.221069][ T8552] team0: Port device team_slave_1 added [ 66.262628][ T8550] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.326346][ T8550] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.390966][ T8555] team0: Port device team_slave_0 added [ 66.400984][ T8555] team0: Port device team_slave_1 added [ 66.473581][ T8555] device hsr_slave_0 entered promiscuous mode [ 66.521787][ T8555] device hsr_slave_1 entered promiscuous mode [ 66.581615][ T8555] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.589521][ T8555] Cannot create hsr debugfs directory [ 66.595628][ T8561] chnl_net:caif_netlink_parms(): no params data found [ 66.664136][ T8552] device hsr_slave_0 entered promiscuous mode [ 66.711754][ T8552] device hsr_slave_1 entered promiscuous mode [ 66.751537][ T8552] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.759185][ T8552] Cannot create hsr debugfs directory [ 66.769549][ T8558] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.777002][ T8558] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.785135][ T8558] device bridge_slave_0 entered promiscuous mode [ 66.796411][ T8558] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.803863][ T8558] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.811958][ T8558] device bridge_slave_1 entered promiscuous mode [ 66.837577][ T8558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.884971][ T8558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.946496][ T8561] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.954752][ T8561] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.962441][ T8561] device bridge_slave_0 entered promiscuous mode [ 66.992641][ T8561] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.000532][ T8561] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.009809][ T8561] device bridge_slave_1 entered promiscuous mode [ 67.019589][ T8558] team0: Port device team_slave_0 added [ 67.028464][ T8547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.067113][ T8558] team0: Port device team_slave_1 added [ 67.090974][ T8561] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.106041][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.114592][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.133488][ T8547] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.140312][ T8555] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.193799][ T8555] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.244508][ T8561] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.303935][ T8558] device hsr_slave_0 entered promiscuous mode [ 67.351829][ T8558] device hsr_slave_1 entered promiscuous mode [ 67.391502][ T8558] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.399295][ T8558] Cannot create hsr debugfs directory [ 67.406198][ T8555] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.479566][ T8555] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.520332][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.529918][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.538693][ T3168] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.546214][ T3168] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.586143][ T8561] team0: Port device team_slave_0 added [ 67.595273][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.603407][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.612522][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.620878][ T3024] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.628149][ T3024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.636380][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.652230][ T8552] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.686766][ T8561] team0: Port device team_slave_1 added [ 67.696349][ T8550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.704805][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.713576][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.723043][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.748999][ T8552] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.802079][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.809860][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.819723][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.828671][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.837882][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.846611][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.855128][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.866864][ T8547] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.891420][ T8552] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.913895][ T8552] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.014897][ T8561] device hsr_slave_0 entered promiscuous mode [ 68.082126][ T8561] device hsr_slave_1 entered promiscuous mode [ 68.111465][ T8561] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.119922][ T8561] Cannot create hsr debugfs directory [ 68.158916][ T8550] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.185919][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.194440][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.202747][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.210340][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.221660][ T8555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.253186][ T8547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.263347][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.275492][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.285008][ T3024] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.292282][ T3024] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.299939][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.308641][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.317006][ T3024] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.324119][ T3024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.358519][ T8558] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.414537][ T8558] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.473648][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.484033][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.492000][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.499564][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.526342][ T8555] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.533824][ T8558] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.583844][ T8558] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.615321][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.624521][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.647123][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.667077][ T8547] device veth0_vlan entered promiscuous mode [ 68.703648][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.712547][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.720908][ T2990] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.728013][ T2990] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.735885][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.744935][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.753351][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.762044][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.770373][ T2990] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.777465][ T2990] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.785337][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.793730][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.802471][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.811198][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.819938][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.828755][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.837544][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.845950][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.853840][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.861765][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.869527][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.883969][ T8547] device veth1_vlan entered promiscuous mode [ 68.914412][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.923290][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.932054][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.940445][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.949630][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.958326][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.966736][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.975193][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.985870][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.001284][ T8550] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.014579][ T8550] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.030525][ T8555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.039939][ T8561] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.073195][ T8561] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.123843][ T8561] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.162807][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.170799][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.179486][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.187913][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.196250][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.227708][ T8552] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.236262][ T8561] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.283435][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.290995][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.298789][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.316166][ T8555] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.352002][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.359557][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.373453][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.381441][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.414963][ T8552] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.431510][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.440234][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.457086][ T8550] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.491193][ T8555] device veth0_vlan entered promiscuous mode [ 69.498766][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.524564][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.533595][ T3121] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.540670][ T3121] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.549541][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.557848][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.614186][ T8550] device veth0_vlan entered promiscuous mode [ 69.650921][ T8550] device veth1_vlan entered promiscuous mode [ 174.521335][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.528416][ C0] rcu: 0-...!: (10499 ticks this GP) idle=a9a/1/0x4000000000000002 softirq=14064/14064 fqs=40 [ 174.539117][ C0] (t=10501 jiffies g=6973 q=299) [ 174.544135][ C0] rcu: rcu_preempt kthread starved for 10422 jiffies! g6973 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.555705][ C0] rcu: RCU grace-period kthread stack dump: [ 174.561604][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 174.569708][ C0] Call Trace: [ 174.573011][ C0] __schedule+0x9a0/0xcc0 [ 174.577355][ C0] schedule+0x181/0x210 [ 174.581730][ C0] schedule_timeout+0x14f/0x240 [ 174.587029][ C0] ? run_local_timers+0x120/0x120 [ 174.592250][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.597210][ C0] kthread+0x332/0x350 [ 174.601466][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.606884][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.611918][ C0] ret_from_fork+0x24/0x30 [ 174.616473][ C0] NMI backtrace for cpu 0 [ 174.621402][ C0] CPU: 0 PID: 8517 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 174.629319][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.640215][ C0] Call Trace: [ 174.643512][ C0] [ 174.646743][ C0] dump_stack+0x1fb/0x318 [ 174.651076][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.656719][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.663074][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.669164][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.675289][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.681289][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.686943][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.693200][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.699543][ C0] update_process_times+0x12d/0x180 [ 174.705109][ C0] tick_sched_timer+0x263/0x420 [ 174.709982][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.715715][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.721109][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.726162][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.731471][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.737116][ C0] apic_timer_interrupt+0xf/0x20 [ 174.742046][ C0] [ 174.745594][ C0] RIP: 0010:free_thread_stack+0x195/0x590 [ 174.751393][ C0] Code: 2e 00 74 08 4c 89 e7 e8 39 94 6a 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 1b 94 6a 00 <48> 8b 1b e9 82 ff ff ff e8 be 2b 2e 00 43 80 3c 2e 00 75 18 eb 1e [ 174.774035][ C0] RSP: 0018:ffffc90001ee7b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.782648][ C0] RAX: 1ffff11012352e31 RBX: ffff888091a97188 RCX: ffff888090b282c0 [ 174.790728][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022be800 [ 174.799070][ C0] RBP: ffffc90001ee7b48 R08: 000000000003a728 R09: ffffed101261ab49 [ 174.807829][ C0] R10: ffffed101261ab49 R11: 0000000000000000 R12: ffff888091a97220 [ 174.817741][ C0] R13: dffffc0000000000 R14: 1ffff11012352e44 R15: ffff8880930d5a38 [ 174.825833][ C0] put_task_stack+0xa3/0x130 [ 174.832084][ C0] finish_task_switch+0x3f1/0x550 [ 174.837388][ C0] __schedule+0x9a8/0xcc0 [ 174.842115][ C0] schedule+0x181/0x210 [ 174.846272][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 174.853504][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 174.859321][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 174.864688][ C0] ep_poll+0xa4d/0xe80 [ 174.868764][ C0] ? do_task_dead+0xc0/0xc0 [ 174.873259][ C0] ? __kasan_check_read+0x11/0x20 [ 174.878304][ C0] do_epoll_wait+0x1ee/0x260 [ 174.883234][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 174.888336][ C0] do_syscall_64+0xf7/0x1c0 [ 174.892918][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.898908][ C0] RIP: 0033:0x7fef073d4943 [ 174.903321][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 174.924314][ C0] RSP: 002b:00007ffec50e22c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 174.932723][ C0] RAX: ffffffffffffffda RBX: 0000000000639250 RCX: 00007fef073d4943 [ 174.940859][ C0] RDX: 0000000000000004 RSI: 00007ffec50e2390 RDI: 0000000000000007 [ 174.948925][ C0] RBP: 0000000000625500 R08: 00007ffec50e22b0 R09: 00007ffec51720b8 [ 174.956900][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 000000000063ae40 [ 174.966019][ C0] R13: 00007ffec50e33e7 R14: 0000000000000005 R15: 0000000000639250