[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.361906][ T23] audit: type=1800 audit(1575442729.789:25): pid=8155 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.400272][ T23] audit: type=1800 audit(1575442729.789:26): pid=8155 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.442049][ T23] audit: type=1800 audit(1575442729.789:27): pid=8155 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 '10.128.0.49' (ECDSA) to the list of known hosts. 2019/12/04 06:59:00 fuzzer started 2019/12/04 06:59:02 dialing manager at 10.128.0.26:42111 2019/12/04 06:59:02 syscalls: 2689 2019/12/04 06:59:02 code coverage: enabled 2019/12/04 06:59:02 comparison tracing: enabled 2019/12/04 06:59:02 extra coverage: extra coverage is not supported by the kernel 2019/12/04 06:59:02 setuid sandbox: enabled 2019/12/04 06:59:02 namespace sandbox: enabled 2019/12/04 06:59:02 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 06:59:02 fault injection: enabled 2019/12/04 06:59:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 06:59:02 net packet injection: enabled 2019/12/04 06:59:02 net device setup: enabled 2019/12/04 06:59:02 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 06:59:02 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:59:03 executing program 0: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x2001000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000800)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-ssse3\x00'}, 0x58) r2 = accept4(r1, 0x0, 0x0, 0x0) sendto$unix(r2, &(0x7f0000000140), 0x14ded905162a6a4b, 0x0, 0x0, 0x429) 06:59:03 executing program 1: r0 = syz_open_dev$video4linux(&(0x7f0000000080)='/dev/v4l-subdev#\x00', 0x0, 0x0) ioctl$VIDIOC_SUBDEV_S_FMT(r0, 0xc0585609, &(0x7f00000002c0)={0x0, 0xf0f000}) syzkaller login: [ 62.299011][ T8317] IPVS: ftp: loaded support on port[0] = 21 [ 62.388735][ T8319] IPVS: ftp: loaded support on port[0] = 21 06:59:03 executing program 2: futex(&(0x7f00000000c0), 0xc, 0x1, 0x0, 0xfffffffffffffffe, 0x0) [ 62.544849][ T8317] chnl_net:caif_netlink_parms(): no params data found [ 62.642539][ T8319] chnl_net:caif_netlink_parms(): no params data found [ 62.651883][ T8323] IPVS: ftp: loaded support on port[0] = 21 [ 62.662611][ T8317] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.669781][ T8317] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.681520][ T8317] device bridge_slave_0 entered promiscuous mode [ 62.709859][ T8317] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.718652][ T8317] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.727624][ T8317] device bridge_slave_1 entered promiscuous mode 06:59:04 executing program 3: mkdir(&(0x7f0000002000)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) symlink(&(0x7f0000000140)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38//../file0\x00', &(0x7f00000002c0)='./file0\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 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, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) futex(&(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0), 0x0, 0x1) creat(&(0x7f0000000780)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38//../file0\x00', 0x0) sendto(0xffffffffffffffff, 0x0, 0x0, 0x220000c0, &(0x7f0000000340)=@nl, 0x80) sendmsg$IPVS_CMD_DEL_SERVICE(0xffffffffffffffff, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$SIOCAX25DELUID(0xffffffffffffffff, 0x89e2, &(0x7f0000000100)={0x3, @bcast}) getpid() ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) sendmsg$netlink(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000040)}, 0x0) openat$vfio(0xffffffffffffff9c, 0x0, 0x0, 0x0) statfs(&(0x7f00000001c0)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', &(0x7f0000000240)=""/65) unlink(&(0x7f0000000040)='./file0\x00') [ 62.797078][ T8317] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.824420][ T8317] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.851950][ T8319] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.859064][ T8319] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.881226][ T8319] device bridge_slave_0 entered promiscuous mode [ 62.922375][ T8319] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.929723][ T8319] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.951088][ T8319] device bridge_slave_1 entered promiscuous mode [ 62.973370][ T8317] team0: Port device team_slave_0 added [ 63.006148][ T8319] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.017553][ T8317] team0: Port device team_slave_1 added 06:59:04 executing program 4: perf_event_open(&(0x7f00000003c0)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f00000000c0)={0x0, 0xffffffffffffff78, &(0x7f0000000040)=[{&(0x7f00000002c0)="2e00000029008151e00f80ecdb4cb904034865161a000100050000000089a108b555e75486cd5edc2976d153b4b6", 0x2e}], 0x1}, 0x0) [ 63.055044][ T8319] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.066882][ T8325] IPVS: ftp: loaded support on port[0] = 21 [ 63.144891][ T8317] device hsr_slave_0 entered promiscuous mode [ 63.210569][ T8317] device hsr_slave_1 entered promiscuous mode 06:59:04 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41be, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000200)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-generic\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000007f00)=[{{&(0x7f00000056c0)=@can, 0x4, &(0x7f00000000c0)}}, {{&(0x7f0000005900)=@pppoe={0x18, 0x0, {0x0, @link_local, 'syzkaller0\x00'}}, 0x80, &(0x7f0000007ac0), 0x78, &(0x7f0000007b00)}}], 0x3fffffffffffe0d, 0x0) [ 63.291151][ T8327] IPVS: ftp: loaded support on port[0] = 21 [ 63.306048][ T8319] team0: Port device team_slave_0 added [ 63.316109][ T8319] team0: Port device team_slave_1 added [ 63.464065][ T8323] chnl_net:caif_netlink_parms(): no params data found [ 63.481750][ T8317] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.573679][ T8319] device hsr_slave_0 entered promiscuous mode [ 63.611080][ T8319] device hsr_slave_1 entered promiscuous mode [ 63.670657][ T8319] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.703560][ T8317] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.754194][ T8317] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.806295][ T8317] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.881059][ T8330] IPVS: ftp: loaded support on port[0] = 21 [ 63.903988][ T8323] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.911277][ T8323] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.919233][ T8323] device bridge_slave_0 entered promiscuous mode [ 63.929320][ T8323] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.936650][ T8323] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.944650][ T8323] device bridge_slave_1 entered promiscuous mode [ 63.965404][ T8323] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.983593][ T8323] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.032694][ T8323] team0: Port device team_slave_0 added [ 64.084388][ T8323] team0: Port device team_slave_1 added [ 64.091310][ T8325] chnl_net:caif_netlink_parms(): no params data found [ 64.102517][ T8319] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.154351][ T8319] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.203570][ T8319] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.278583][ T8327] chnl_net:caif_netlink_parms(): no params data found [ 64.294076][ T8319] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.393570][ T8323] device hsr_slave_0 entered promiscuous mode [ 64.420687][ T8323] device hsr_slave_1 entered promiscuous mode [ 64.470571][ T8323] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.529413][ T8327] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.538061][ T8327] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.546792][ T8327] device bridge_slave_0 entered promiscuous mode [ 64.554537][ T8325] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.564178][ T8325] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.572608][ T8325] device bridge_slave_0 entered promiscuous mode [ 64.581463][ T8325] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.588624][ T8325] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.596478][ T8325] device bridge_slave_1 entered promiscuous mode [ 64.611058][ T8327] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.618138][ T8327] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.627114][ T8327] device bridge_slave_1 entered promiscuous mode [ 64.678166][ T8325] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.691417][ T8325] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.737848][ T8327] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.755980][ T8327] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.776540][ T8325] team0: Port device team_slave_0 added [ 64.791637][ T8317] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.814608][ T8325] team0: Port device team_slave_1 added [ 64.821325][ T8323] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.865483][ T8323] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.912550][ T8323] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.952444][ T8323] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.002644][ T8330] chnl_net:caif_netlink_parms(): no params data found [ 65.014467][ T8327] team0: Port device team_slave_0 added [ 65.023094][ T8327] team0: Port device team_slave_1 added [ 65.103378][ T8325] device hsr_slave_0 entered promiscuous mode [ 65.150970][ T8325] device hsr_slave_1 entered promiscuous mode [ 65.200347][ T8325] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.211640][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.221790][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.283866][ T8327] device hsr_slave_0 entered promiscuous mode [ 65.331669][ T8327] device hsr_slave_1 entered promiscuous mode [ 65.370424][ T8327] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.380374][ T8317] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.397555][ T8330] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.406695][ T8330] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.417954][ T8330] device bridge_slave_0 entered promiscuous mode [ 65.428656][ T8330] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.436501][ T8330] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.444652][ T8330] device bridge_slave_1 entered promiscuous mode [ 65.491893][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.501172][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.509725][ T8331] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.517020][ T8331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.525788][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.536355][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.545098][ T8331] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.552312][ T8331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.560548][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.569544][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.578360][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.587059][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.595635][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.604269][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.614785][ T8330] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.645687][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.653780][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.663099][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.672076][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.688066][ T8317] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.699927][ T8317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.716073][ T8330] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.734847][ T8319] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.742102][ T8325] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.782396][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.791923][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.818351][ T8330] team0: Port device team_slave_0 added [ 65.826082][ T8325] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.906676][ T8325] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.967099][ T8325] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.028530][ T8330] team0: Port device team_slave_1 added [ 66.034601][ T8327] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.104947][ T8327] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.152721][ T8327] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.218870][ T8319] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.241101][ T8335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.249331][ T8335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.257787][ T8327] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.329927][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.338174][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.377137][ T8317] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.397815][ T8323] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.443638][ T8330] device hsr_slave_0 entered promiscuous mode [ 66.500887][ T8330] device hsr_slave_1 entered promiscuous mode [ 66.540381][ T8330] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.548235][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.557080][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.565983][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.573127][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.581240][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.589926][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.598682][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.605780][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.614013][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.624200][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.648824][ T8323] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.680229][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.689166][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.697669][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.706727][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.716346][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.725685][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.749171][ T8319] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.762313][ T8319] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.782098][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.791196][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.799567][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.808668][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.817391][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.826120][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.838300][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.847150][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.855834][ T3211] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.863329][ T3211] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.871501][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.879221][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.946214][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.957137][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.970584][ T3160] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.977649][ T3160] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.015892][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.025941][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.058290][ T8319] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 172.070107][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.076953][ C0] rcu: 0-...!: (1 GPs behind) idle=61e/1/0x4000000000000002 softirq=11256/11258 fqs=32 [ 172.087135][ C0] (t=10500 jiffies g=6989 q=217) [ 172.092157][ C0] rcu: rcu_preempt kthread starved for 10433 jiffies! g6989 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.103249][ C0] rcu: RCU grace-period kthread stack dump: [ 172.109267][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 172.117251][ C0] Call Trace: [ 172.120645][ C0] __schedule+0x9a0/0xcc0 [ 172.125079][ C0] schedule+0x181/0x210 [ 172.129237][ C0] schedule_timeout+0x14f/0x240 [ 172.134201][ C0] ? run_local_timers+0x120/0x120 [ 172.139220][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.143990][ C0] kthread+0x332/0x350 [ 172.148224][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.153343][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.157940][ C0] ret_from_fork+0x24/0x30 [ 172.162361][ C0] NMI backtrace for cpu 0 [ 172.166698][ C0] CPU: 0 PID: 4165 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 172.174223][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.184533][ C0] Call Trace: [ 172.187819][ C0] [ 172.190859][ C0] dump_stack+0x1fb/0x318 [ 172.195322][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.200183][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.206336][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.212397][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.218455][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.224518][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.229634][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.234827][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.239842][ C0] update_process_times+0x12d/0x180 [ 172.245038][ C0] tick_sched_timer+0x263/0x420 [ 172.250053][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.255818][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.261021][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.265965][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.271246][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.277152][ C0] apic_timer_interrupt+0xf/0x20 [ 172.282078][ C0] [ 172.285012][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 172.291156][ C0] 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 [ 172.310763][ C0] RSP: 0018:ffffc90001dc78e0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.319280][ C0] RAX: 1ffff1101188f921 RBX: ffffea00028d5dc0 RCX: ffff8880a004a500 [ 172.327263][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00028d5dc0 [ 172.335258][ C0] RBP: ffffc90001dc7920 R08: dffffc0000000000 R09: fffffbfff120248a [ 172.343225][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88808c47c9a0 [ 172.351195][ C0] R13: dffffc0000000000 R14: 1ffff1101188f934 R15: ffff8880a92dba28 [ 172.359272][ C0] ? free_thread_stack+0x124/0x590 [ 172.364376][ C0] put_task_stack+0xa3/0x130 [ 172.368957][ C0] finish_task_switch+0x3f1/0x550 [ 172.373990][ C0] __schedule+0x9a8/0xcc0 [ 172.378326][ C0] preempt_schedule_irq+0xc1/0x140 [ 172.383442][ C0] retint_kernel+0x1b/0x2b [ 172.388037][ C0] RIP: 0010:tomoyo_path_matches_pattern+0x5d/0x280 [ 172.394626][ C0] Code: 08 4c 89 e7 e8 34 73 5b fe 49 8b 04 24 48 89 45 c8 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 16 73 5b fe 49 8b 07 <48> 89 45 d0 49 8d 7f 0c 48 89 f8 48 c1 e8 03 42 8a 04 28 84 c0 0f [ 172.414326][ C0] RSP: 0018:ffffc90001dc7b30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02 [ 172.422900][ C0] RAX: ffff888094f21da8 RBX: 1ffff11014023e84 RCX: ffff8880a004a500 [ 172.430864][ C0] RDX: 0000000000000000 RSI: ffff888094f21d98 RDI: ffffc90001dc7c60 [ 172.439002][ C0] RBP: ffffc90001dc7b70 R08: ffffffff835564ea R09: ffffffff83557a68 [ 172.447008][ C0] R10: ffff8880a004a500 R11: 0000000000000003 R12: ffffc90001dc7c60 [ 172.455058][ C0] R13: dffffc0000000000 R14: ffff8880a011f420 R15: ffff888094f21d98 [ 172.463122][ C0] ? tomoyo_path_perm+0x218/0x850 [ 172.468135][ C0] ? tomoyo_check_path_acl+0x6a/0x180 [ 172.473509][ C0] tomoyo_check_path_acl+0xf2/0x180 [ 172.478697][ C0] tomoyo_check_acl+0x133/0x3a0 [ 172.483536][ C0] ? tomoyo_execute_permission+0x3f0/0x3f0 [ 172.489336][ C0] tomoyo_path_perm+0x53e/0x850 [ 172.494256][ C0] tomoyo_inode_getattr+0x1c/0x20 [ 172.499287][ C0] security_inode_getattr+0xd5/0x150 [ 172.505040][ C0] vfs_getattr+0x2a/0x6d0 [ 172.509360][ C0] ? __kasan_check_read+0x11/0x20 [ 172.514550][ C0] ? __fdget_raw+0xc6/0x1a0 [ 172.519046][ C0] __x64_sys_newfstat+0xa3/0x130 [ 172.524084][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 172.529795][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 172.535254][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 172.540967][ C0] ? do_syscall_64+0x1d/0x1c0 [ 172.545895][ C0] do_syscall_64+0xf7/0x1c0 [ 172.550406][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.556308][ C0] RIP: 0033:0x7f7ae06a5cb4 [ 172.560723][ C0] Code: 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 90 90 83 ff 01 89 f0 77 19 48 63 f8 48 89 d6 b8 05 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 18 f3 c3 66 90 48 8b 05 51 51 2b 00 64 c7 00 [ 172.580319][ C0] RSP: 002b:00007fff4e435b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 [ 172.588720][ C0] RAX: ffffffffffffffda RBX: 0000000001da5930 RCX: 00007f7ae06a5cb4 [ 172.596684][ C0] RDX: 00007fff4e435b30 RSI: 00007fff4e435b30 RDI: 0000000000000005 [ 172.604850][ C0] RBP: 00000000ffffffff R08: 00007f7ae0f9e7a0 R09: 00007f7ae0f9e7a0 [ 172.612816][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000420724 [ 172.620773][ C0] R13: 0000000000000002 R14: 0000000000420724 R15: 0000000000420724