[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.177351][ T25] audit: type=1800 audit(1575431915.094:25): pid=8047 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.219057][ T25] audit: type=1800 audit(1575431915.094:26): pid=8047 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.252438][ T25] audit: type=1800 audit(1575431915.094:27): pid=8047 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 '10.128.10.61' (ECDSA) to the list of known hosts. 2019/12/04 03:58:45 fuzzer started 2019/12/04 03:58:47 dialing manager at 10.128.0.26:42111 2019/12/04 03:58:47 syscalls: 2689 2019/12/04 03:58:47 code coverage: enabled 2019/12/04 03:58:47 comparison tracing: enabled 2019/12/04 03:58:47 extra coverage: extra coverage is not supported by the kernel 2019/12/04 03:58:47 setuid sandbox: enabled 2019/12/04 03:58:47 namespace sandbox: enabled 2019/12/04 03:58:47 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 03:58:47 fault injection: enabled 2019/12/04 03:58:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 03:58:47 net packet injection: enabled 2019/12/04 03:58:47 net device setup: enabled 2019/12/04 03:58:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 03:58:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:58:48 executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000480)=0x14) bind$bt_hci(r0, &(0x7f0000000140)={0x1f, r2}, 0x5) 03:58:48 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x8000000a, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000200)="6653a8990785363940aed12f0000db2f00000022f1f169a4000000000000009f1f8175442ce71022fe50377a22cbccb0353cffd7a7c0c9243fbf0322168078aba9d7ae45b0052772a9567bb821942ce72590f1bf41d20d4c000000279bd612811df1fcaa94a96d58db92af7f9298918ae95b745777a1968e48d46358c8735e3b009f9d01000000000000005b5895e126de3d6d7c6949c6a87cf3ab2fbe80d1028d6e727a596c761e274e8f7bf745addbe19bd7642d38323564278e0410a966da6a254b9c2fa9c5d27796310a13c91878b74c9d615ae752a67e9373b0bc80f98ca3686a79c2dd0d6428fcbacb482ba7a33878f84fdc417a06", 0xf8}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) r1 = syz_open_procfs(0x0, &(0x7f0000000580)='net/dev_snmp6\x00') getdents64(r1, &(0x7f0000000040)=""/195, 0xc3) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) syzkaller login: [ 58.930757][ T8209] IPVS: ftp: loaded support on port[0] = 21 [ 59.087456][ T8209] chnl_net:caif_netlink_parms(): no params data found 03:58:49 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x7) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000340)={{{@in=@multicast1, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x60}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@remote, 0x0, 0x33}, 0x0, @in=@broadcast, 0x0, 0x0, 0x0, 0x6}}, 0xe8) sendmmsg(r0, &(0x7f0000000480), 0x2e9, 0x0) [ 59.160815][ T8209] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.169578][ T8209] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.195557][ T8209] device bridge_slave_0 entered promiscuous mode [ 59.211526][ T8212] IPVS: ftp: loaded support on port[0] = 21 [ 59.219539][ T8209] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.230977][ T8209] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.240055][ T8209] device bridge_slave_1 entered promiscuous mode [ 59.288421][ T8209] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.310136][ T8209] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.388142][ T8209] team0: Port device team_slave_0 added [ 59.402766][ T8215] IPVS: ftp: loaded support on port[0] = 21 [ 59.425367][ T8209] team0: Port device team_slave_1 added 03:58:49 executing program 3: pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r0) io_setup(0x8, &(0x7f0000000280)=0x0) r3 = epoll_create(0x6) io_submit(r2, 0x1, &(0x7f0000000000)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x5, 0x0, r3, 0x0}]) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000000)) [ 59.442947][ T8212] chnl_net:caif_netlink_parms(): no params data found [ 59.575986][ T8209] device hsr_slave_0 entered promiscuous mode [ 59.614693][ T8209] device hsr_slave_1 entered promiscuous mode 03:58:49 executing program 4: r0 = open(&(0x7f0000000040)='./file0\x00', 0x200c2, 0x0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) r2 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev\xa2\x80\xe6!\xa8\x90R\xfdC#D#c\x00', 0x0, 0x0) setsockopt$bt_hci_HCI_TIME_STAMP(r2, 0x0, 0x3, &(0x7f0000000300)=0x6, 0x4) fanotify_init(0x0, 0x0) r3 = inotify_init() inotify_add_watch(r3, 0x0, 0x0) inotify_add_watch(r3, &(0x7f0000000080)='.\x00', 0xfe) syz_open_procfs(0x0, 0x0) fanotify_mark(0xffffffffffffffff, 0x105, 0x101b, r1, 0x0) write$binfmt_elf64(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="ed8ed24112ccba9ecbaea5e8dd24f24b3ac273c81c2b7c8c5b06d007e4c0072fab72c7d711beb15f4313966fe3a4fa21e76fc4d05e107ac82d5e075205917f03000000030b6daa6e72ad000000610000000000000001a25a382ed7fbcbbc4e5508505d08b26f5521b1ac0543978e05e200f2ef4214efd76167e74735bfeb92974cfcaadd589f252c8b00b693479bfe5d85dc391a"], 0x94) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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) sendfile(r0, r0, &(0x7f00000001c0), 0xa198) [ 59.694648][ T8212] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.701820][ T8212] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.724898][ T8212] device bridge_slave_0 entered promiscuous mode [ 59.758951][ T8217] IPVS: ftp: loaded support on port[0] = 21 [ 59.781285][ T8212] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.790339][ T8212] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.798649][ T8212] device bridge_slave_1 entered promiscuous mode [ 59.889713][ T8212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.916305][ T8212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.931737][ T8220] IPVS: ftp: loaded support on port[0] = 21 [ 59.939547][ T8215] chnl_net:caif_netlink_parms(): no params data found [ 59.954768][ T8209] netdevsim netdevsim0 netdevsim0: renamed from eth0 03:58:49 executing program 5: r0 = socket$inet(0x2, 0x2000080001, 0x84) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) r1 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r1, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000000c0)=@assoc_value={0x0, 0x1ff}, 0x8) sendmsg(r0, &(0x7f000001afc8)={&(0x7f0000006000)=@in={0x2, 0x4e20, @loopback}, 0x80, &(0x7f0000007f80)=[{&(0x7f00000001c0)='*', 0x1a000}], 0x1}, 0x0) poll(&(0x7f0000000100)=[{r0}], 0x1, 0x75) [ 60.037439][ T8209] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.117602][ T8209] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.196252][ T8212] team0: Port device team_slave_0 added [ 60.212739][ T8222] IPVS: ftp: loaded support on port[0] = 21 [ 60.226336][ T8209] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.286056][ T8212] team0: Port device team_slave_1 added [ 60.340373][ T8215] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.348393][ T8215] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.356379][ T8215] device bridge_slave_0 entered promiscuous mode [ 60.388278][ T8215] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.395514][ T8215] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.404088][ T8215] device bridge_slave_1 entered promiscuous mode [ 60.455072][ T8212] device hsr_slave_0 entered promiscuous mode [ 60.523717][ T8212] device hsr_slave_1 entered promiscuous mode [ 60.553555][ T8212] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.570454][ T8217] chnl_net:caif_netlink_parms(): no params data found [ 60.628663][ T8215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.645300][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.652478][ T8217] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.661180][ T8217] device bridge_slave_0 entered promiscuous mode [ 60.672272][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.680191][ T8217] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.688047][ T8217] device bridge_slave_1 entered promiscuous mode [ 60.696684][ T8215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.744799][ T8217] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.755398][ T8217] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.767175][ T8212] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.829326][ T8215] team0: Port device team_slave_0 added [ 60.838802][ T8215] team0: Port device team_slave_1 added [ 60.856776][ T8212] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.949784][ T8212] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.026196][ T8220] chnl_net:caif_netlink_parms(): no params data found [ 61.039374][ T8212] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.097104][ T8217] team0: Port device team_slave_0 added [ 61.145660][ T8215] device hsr_slave_0 entered promiscuous mode [ 61.205155][ T8215] device hsr_slave_1 entered promiscuous mode [ 61.253505][ T8215] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.262623][ T8217] team0: Port device team_slave_1 added [ 61.278522][ T8222] chnl_net:caif_netlink_parms(): no params data found [ 61.356319][ T8217] device hsr_slave_0 entered promiscuous mode [ 61.393813][ T8217] device hsr_slave_1 entered promiscuous mode [ 61.433617][ T8217] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.476319][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.484707][ T8220] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.492607][ T8220] device bridge_slave_0 entered promiscuous mode [ 61.527859][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.538466][ T8220] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.546600][ T8220] device bridge_slave_1 entered promiscuous mode [ 61.571466][ T8215] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.630701][ T8215] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.677597][ T8222] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.685826][ T8222] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.695521][ T8222] device bridge_slave_0 entered promiscuous mode [ 61.710458][ T8217] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.755943][ T8215] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.795838][ T8215] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.847657][ T8220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.857829][ T8222] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.865132][ T8222] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.872858][ T8222] device bridge_slave_1 entered promiscuous mode [ 61.891451][ T8217] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.937704][ T8209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.946255][ T8220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.965834][ T8222] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.977020][ T8217] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.007041][ T8217] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.085637][ T8220] team0: Port device team_slave_0 added [ 62.093038][ T8212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.101423][ T8222] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.126250][ T8220] team0: Port device team_slave_1 added [ 62.141499][ T8209] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.151019][ T8222] team0: Port device team_slave_0 added [ 62.162370][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.171184][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.179431][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.187773][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.197657][ T8212] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.213120][ T8222] team0: Port device team_slave_1 added [ 62.225398][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.235002][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.243845][ T3764] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.251237][ T3764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.280684][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.290411][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.299380][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.308020][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.315137][ T8223] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.324200][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.333864][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.342387][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.349575][ T8223] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.406210][ T8220] device hsr_slave_0 entered promiscuous mode [ 62.463944][ T8220] device hsr_slave_1 entered promiscuous mode [ 62.503601][ T8220] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.555722][ T8222] device hsr_slave_0 entered promiscuous mode [ 62.623925][ T8222] device hsr_slave_1 entered promiscuous mode [ 62.693459][ T8222] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.707077][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.715737][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.727241][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.735750][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.742782][ T8223] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.750942][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.782918][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.808801][ T8220] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.865791][ T8220] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.906043][ T8220] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.965455][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.974670][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.003997][ T8220] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.075117][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.083852][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.092085][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.101266][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.110125][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.118727][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.127148][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.136179][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.145217][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.154520][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.162714][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.171446][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.181272][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.189175][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.204904][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.213146][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.222126][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.231099][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.244794][ T8209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.264057][ T8222] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.305547][ T8222] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.366588][ T8212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.377650][ T8217] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.391892][ T8215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.400002][ T8222] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.478714][ T8217] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.489784][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.499556][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.508195][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.518047][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.526979][ T8222] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.618006][ T8212] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.643467][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.652285][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.667443][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.674584][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.682913][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.691728][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.700389][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.707503][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.716178][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.725530][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.733205][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.758237][ T8215] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.773813][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.781826][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.809613][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.825930][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.835190][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.844316][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.852675][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.861767][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 168.863313][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.870104][ C0] rcu: 0-...!: (1 GPs behind) idle=bce/1/0x4000000000000002 softirq=11189/11191 fqs=0 [ 168.880003][ C0] (t=10500 jiffies g=6753 q=35) [ 168.884932][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.896013][ C0] rcu: RCU grace-period kthread stack dump: [ 168.901889][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 168.909776][ C0] Call Trace: [ 168.913065][ C0] __schedule+0x9a0/0xcc0 [ 168.917393][ C0] schedule+0x181/0x210 [ 168.921571][ C0] schedule_timeout+0x14f/0x240 [ 168.926596][ C0] ? run_local_timers+0x120/0x120 [ 168.931618][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.936389][ C0] kthread+0x332/0x350 [ 168.940443][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.945545][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.950211][ C0] ret_from_fork+0x24/0x30 [ 168.954633][ C0] NMI backtrace for cpu 0 [ 168.958953][ C0] CPU: 0 PID: 8230 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 168.966391][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.976449][ C0] Call Trace: [ 168.979735][ C0] [ 168.982590][ C0] dump_stack+0x1fb/0x318 [ 168.986950][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.991791][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.997938][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.003995][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.009966][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.015846][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.020953][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.026163][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.031630][ C0] update_process_times+0x12d/0x180 [ 169.036860][ C0] tick_sched_timer+0x263/0x420 [ 169.041704][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.047260][ C0] __hrtimer_run_queues+0x403/0x840 [ 169.052464][ C0] hrtimer_interrupt+0x38c/0xda0 [ 169.057419][ C0] ? debug_smp_processor_id+0x9/0x20 [ 169.062706][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 169.068240][ C0] apic_timer_interrupt+0xf/0x20 [ 169.073158][ C0] [ 169.076247][ C0] RIP: 0010:mod_memcg_page_state+0x6/0x190 [ 169.082052][ C0] Code: 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 <41> 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 [ 169.101651][ C0] RSP: 0018:ffffc900027f7b80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.110067][ C0] RAX: 1ffff1101351cbe1 RBX: ffff88809a8e5f08 RCX: 0000000000000000 [ 169.118028][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000278c9c0 [ 169.126020][ C0] RBP: ffffc900027f7b88 R08: dffffc0000000000 R09: fffffbfff12877ed [ 169.133984][ C0] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff88809a8e5fa0 [ 169.141945][ C0] R13: dffffc0000000000 R14: 1ffff1101351cbf4 R15: ffff88809a6c34e8 [ 169.150139][ C0] free_thread_stack+0x168/0x590 [ 169.155103][ C0] put_task_stack+0xa3/0x130 [ 169.159878][ C0] finish_task_switch+0x3f1/0x550 [ 169.164904][ C0] __schedule+0x9a8/0xcc0 [ 169.169244][ C0] ? ___preempt_schedule+0x16/0x18 [ 169.174360][ C0] preempt_schedule+0xdb/0x120 [ 169.179152][ C0] ___preempt_schedule+0x16/0x18 [ 169.184124][ C0] ? do_exit+0x1431/0x2020 [ 169.188553][ C0] _raw_write_unlock_irq+0x77/0x80 [ 169.193652][ C0] do_exit+0x1431/0x2020 [ 169.197896][ C0] do_group_exit+0x15c/0x2b0 [ 169.202489][ C0] __do_sys_exit_group+0x17/0x20 [ 169.207423][ C0] __se_sys_exit_group+0x14/0x20 [ 169.212440][ C0] __x64_sys_exit_group+0x3b/0x40 [ 169.217496][ C0] do_syscall_64+0xf7/0x1c0 [ 169.222004][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.227898][ C0] RIP: 0033:0x7fcf255781e8 [ 169.232323][ C0] Code: Bad RIP value. [ 169.236383][ C0] RSP: 002b:00007fff6f273b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 169.244867][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcf255781e8 [ 169.252826][ C0] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 169.260806][ C0] RBP: 00007fcf2584d840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 169.269297][ C0] R10: 00007fcf25853740 R11: 0000000000000246 R12: 00007fcf2584d840 [ 169.277264][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000