[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.158683][ T23] audit: type=1800 audit(1575419137.983:25): pid=8040 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.187865][ T23] audit: type=1800 audit(1575419137.983:26): pid=8040 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.187884][ T23] audit: type=1800 audit(1575419137.983:27): pid=8040 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 '10.128.0.104' (ECDSA) to the list of known hosts. 2019/12/04 00:25:47 fuzzer started 2019/12/04 00:25:49 dialing manager at 10.128.0.26:42111 2019/12/04 00:25:49 syscalls: 2689 2019/12/04 00:25:49 code coverage: enabled 2019/12/04 00:25:49 comparison tracing: enabled 2019/12/04 00:25:49 extra coverage: extra coverage is not supported by the kernel 2019/12/04 00:25:49 setuid sandbox: enabled 2019/12/04 00:25:49 namespace sandbox: enabled 2019/12/04 00:25:49 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 00:25:49 fault injection: enabled 2019/12/04 00:25:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 00:25:49 net packet injection: enabled 2019/12/04 00:25:49 net device setup: enabled 2019/12/04 00:25:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 00:25:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:25:50 executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x100000000004, 0x32, 0xffffffffffffffff, 0x0) getsockopt$packet_int(r0, 0x107, 0x9, 0x0, &(0x7f0000000000)=0x2e0) 00:25:50 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r2, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x26) getpeername(r2, &(0x7f0000000540)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @loopback}}}, &(0x7f00000005c0)=0x80) syzkaller login: [ 55.860807][ T8205] IPVS: ftp: loaded support on port[0] = 21 [ 55.969610][ T8207] IPVS: ftp: loaded support on port[0] = 21 [ 56.035903][ T8205] chnl_net:caif_netlink_parms(): no params data found 00:25:50 executing program 2: bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={0xffffffffffffffff, 0x0, &(0x7f0000000140)="40c74adc77a4e27d876f441d952bf111375896d876c4ed0f2e703cd5f8b64ff3cd946b507d0419c09fc1fe6c"}, 0xa) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400)='/dev/net/tun\x00', 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) r1 = socket$kcm(0x29, 0x2, 0x0) ioctl$TUNSETVNETHDRSZ(r0, 0x400454d8, &(0x7f00000002c0)=0xa7) bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x0, 0x3, &(0x7f0000000180)=@raw=[@jmp={0x5, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffe0, 0xffffffffffffffff}, @jmp, @call={0x85, 0x0, 0x0, 0xffffffff}], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8914, &(0x7f00000018c0)='nr0\x01\x00`\xa1\x9e\xf9\xd2\xc6s\xd9\xa1W\x1c\xb9\xe16\x9b\xcda\xef~Iy:\xe1\x87\x12\xec\xeb\x1d\xaav\x94\x97\x80\v\x7f\xbb\xd3[\x17\f\x10u\x1d9\xae\xb6`\xd8c\xe4\x9b\x8cO;=\xadH\x90+[-l\xfd\n\xbd7,c\xbc\xf5\xd7\a\xf3\xfdM.\x8dD<\x88\xbc\x0eV7\xdd\x82\xfc45\xbe\xd4\xde]i<\x9ax\x1c\x86>\x05\xd8\xa6\xf8h\x9a[\xe2\x92\x16\x06\x1f?\xf5?\x8bk9fx\xe7\xba\x15^\xf9\x15-~C\xb1\xec\xcb#1\xeb\x8e\xb1\xedU\x86\xdc\xf8\xb3\xb0\xb9\x996\x1aD\xff,\"\xc2\xab\xbe\xf4-\xd2N\xab\xe6r3F\xa6\xe4l\x04\x99\xa2\x14B\xd8\xd0\r\xcbW\xf0\x13\xffu\x95\xed\xd0\xff\ai0\xde6u\xd3A\x17\xa4N\xb0\xe4\xf82\x93m\xa4NW\xe4:>6\xbdH\xd2\xa8[\xf4\xfdJ\x80N\x83CZ\xf5\xe2\x87\xd4\xe2s7\xb4\xad\xa1\x1b&!\x98\x86\"R\x06\x00\x00\x00\x00\x00\x00\x00\x95\xfe7q\xe9\xf4,\xa3\x0f\xb2\x1e\x12\xf0\xa3\xd8\xbc-\x85EJ\xf9\xfc\xc0#-\x8f\xd9\tD\x8b\x01\xf4lY=1\xea\x1c\x92de\xe3ZA\x99\a\x9c<\xa4\x11(\xb1|\xb0\x1f\xbf[R+\xe0\xfd\x02\x02*\xda7\xfe\xcc\x0e\xb6\xc8\xc8\x83\x18\x83\xb8Z\x11\x06\xf2\xf8g\x02\rR\x9f\x17\xa3P\xf2\r\xd3\xbfQ\xa9\x8c\xfd\xa7\f.68\xa4\x83\xfd?\x87\x94\v\xb4x\xb0|L\x11\x03\x94\xc0\t=\x17\x95P\x89\xf2\xca\x97\xbb\xfeu\x12L\x9b\x85\x96\xe0\b\xbf\n\x02\x8bS\x9c\xecyl\xec\x9b\xf5\x85\xeb\x80\xfe>\r&\x014\x01\xf4\xb7\x83\x9a\xfa*\xa6\x06\xb7Pk7N\xc2\xd9\xee\xd0\xb0M\x00\xab\xc3\t\fc\xd8dx\xd5\x1dU*s)\x12[\x14\xb1\xc0\xd7\x1a\xa0\x16\xa2z\x9e\x93 \xddeF>29\v\x02\xa2b\x13R\xef\xffA,\xb9.$\xfa\x9f\xde[\x80\xd1=\xce\x1b\xeb\xf6\xf4\xe3z\x1f\x9dz\xa3\xc0\xe2\xa2\xb1\xeeq\xf5\xec0\x8e\xf4\xfb\xd9\x87\xf03\xdb\xae|\x10&V5c\xa6\xce\xcd\x8a\xdf\xe1\x89\"\xea\xde\xe7\xa3\xbe\xe7\xff\xf9 \x11\xfdY\xc6\xa1\xe8\xda\v\\?\xcb\x87\bn\x9b\x01\x1f\xf8\xe8\x1eV\xfaC\xdf\xc3Vv\x9b\x1a\xfc\x14.c\x94\xc9=\xb0\x0f!d\b\x18*@m\x7f\xaal\x17G\xd6?\x81\x16P\x03\x10e\xc3\xcd\xb1B\xeb\x01B\\\x91A\xa1\x8an\xb4#\xadr\x1e\x81v\xa2\x0e6x\xca\x8b\xa6\xd8\x81\x10:\x0e(\xdd\xfc\xc9\xc6\xb4\xf0\'f:\xbd\xfe\x11\xf8\xc8W\x81s^\xd9W\xf1\x94\xaf\xc5\x8a\xb4f\x1b\x17E\xb23\x12\xb0\xeb\xef\x8c\xb24h\xd7}\x7f\x92Hgej\x957\xe2A') write$cgroup_subtree(r0, &(0x7f00000000c0)={[{0x0, 'c\x86\xdd', 0x7}]}, 0x20ad) [ 56.170368][ T8205] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.177481][ T8205] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.199658][ T8205] device bridge_slave_0 entered promiscuous mode [ 56.226529][ T8207] chnl_net:caif_netlink_parms(): no params data found [ 56.239707][ T8205] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.246797][ T8205] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.255246][ T8205] device bridge_slave_1 entered promiscuous mode [ 56.270906][ T8211] IPVS: ftp: loaded support on port[0] = 21 [ 56.322475][ T8205] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.342021][ T8205] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.358770][ T8207] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.366049][ T8207] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.374926][ T8207] device bridge_slave_0 entered promiscuous mode [ 56.384341][ T8207] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.391999][ T8207] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.400127][ T8207] device bridge_slave_1 entered promiscuous mode 00:25:51 executing program 3: sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) syz_open_dev$ndb(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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, @perf_config_ext={0x0, 0x8}, 0x2a938}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0\x00', 0x0, 0x0) mkdir(&(0x7f00000002c0)='./file0\x00', 0x0) mount(0x0, &(0x7f0000001600)='./file0\x00', &(0x7f0000000200)='cgroup2\x00', 0x0, 0x0) syz_open_dev$mice(0x0, 0x0, 0x0) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000015c0)='/dev/vga_arbiter\x00', 0x420000, 0x0) ioctl$BLKDISCARD(0xffffffffffffffff, 0x1277, 0x0) r1 = open(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) r2 = openat$cgroup_procs(r1, &(0x7f0000000240)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) preadv(0xffffffffffffffff, &(0x7f0000000040), 0x0, 0x0) [ 56.436439][ T8207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.467068][ T8205] team0: Port device team_slave_0 added [ 56.482756][ T8205] team0: Port device team_slave_1 added [ 56.499449][ T8207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 00:25:51 executing program 4: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000080)={{0xff}}) [ 56.580228][ T8205] device hsr_slave_0 entered promiscuous mode [ 56.617909][ T8205] device hsr_slave_1 entered promiscuous mode [ 56.726558][ T8213] IPVS: ftp: loaded support on port[0] = 21 [ 56.783286][ T8207] team0: Port device team_slave_0 added [ 56.795094][ T8207] team0: Port device team_slave_1 added [ 56.806212][ T8211] chnl_net:caif_netlink_parms(): no params data found [ 56.845980][ T8216] IPVS: ftp: loaded support on port[0] = 21 [ 56.853964][ T8205] netdevsim netdevsim0 netdevsim0: renamed from eth0 00:25:51 executing program 5: r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) r1 = open(&(0x7f0000000040)='./bus\x00', 0x8001141042, 0x0) ftruncate(r1, 0x2008002) fcntl$setstatus(r0, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) r3 = gettid() perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, r3, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) openat$proc_capi20(0xffffffffffffff9c, 0x0, 0x0, 0x0) io_submit(r2, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x100000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x10000}]) [ 56.980529][ T8207] device hsr_slave_0 entered promiscuous mode [ 57.027962][ T8207] device hsr_slave_1 entered promiscuous mode [ 57.067954][ T8207] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.076238][ T8205] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.132414][ T8205] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.191220][ T8205] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.281643][ T8211] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.289197][ T8211] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.296746][ T8211] device bridge_slave_0 entered promiscuous mode [ 57.324448][ T8211] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.332499][ T8211] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.340437][ T8211] device bridge_slave_1 entered promiscuous mode [ 57.367717][ T8207] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.377164][ T8218] IPVS: ftp: loaded support on port[0] = 21 [ 57.410062][ T8211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.421067][ T8211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.447273][ T8207] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.501442][ T8211] team0: Port device team_slave_0 added [ 57.511657][ T8211] team0: Port device team_slave_1 added [ 57.530669][ T8207] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.589853][ T8207] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.679988][ T8211] device hsr_slave_0 entered promiscuous mode [ 57.717985][ T8211] device hsr_slave_1 entered promiscuous mode [ 57.757717][ T8211] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.876417][ T8205] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.885697][ T8211] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.945714][ T8211] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.033343][ T8216] chnl_net:caif_netlink_parms(): no params data found [ 58.047328][ T8211] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.100342][ T8211] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.174617][ T8218] chnl_net:caif_netlink_parms(): no params data found [ 58.206769][ T8213] chnl_net:caif_netlink_parms(): no params data found [ 58.255299][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.264335][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.272527][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.280355][ T8216] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.288585][ T8216] device bridge_slave_0 entered promiscuous mode [ 58.317248][ T8213] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.324674][ T8213] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.332907][ T8213] device bridge_slave_0 entered promiscuous mode [ 58.342272][ T8205] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.349877][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.356932][ T8216] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.365554][ T8216] device bridge_slave_1 entered promiscuous mode [ 58.373531][ T8218] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.381387][ T8218] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.389593][ T8218] device bridge_slave_0 entered promiscuous mode [ 58.409811][ T8213] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.416904][ T8213] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.425209][ T8213] device bridge_slave_1 entered promiscuous mode [ 58.446838][ T8213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.458317][ T8218] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.465565][ T8218] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.473679][ T8218] device bridge_slave_1 entered promiscuous mode [ 58.492065][ T8218] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.508472][ T8213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.529780][ T8213] team0: Port device team_slave_0 added [ 58.536704][ T8218] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.551244][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.560425][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.569387][ T3891] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.576534][ T3891] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.585083][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.598466][ T8216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.612484][ T8213] team0: Port device team_slave_1 added [ 58.621228][ T8207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.637461][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.646191][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.654660][ T3891] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.661763][ T3891] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.679954][ T8211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.688065][ T8216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.712442][ T8216] team0: Port device team_slave_0 added [ 58.729679][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.738414][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.747194][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.756243][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.764673][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.773722][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.786098][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.806962][ T8216] team0: Port device team_slave_1 added [ 58.815075][ T8218] team0: Port device team_slave_0 added [ 58.825160][ T8207] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.860112][ T8213] device hsr_slave_0 entered promiscuous mode [ 58.898010][ T8213] device hsr_slave_1 entered promiscuous mode [ 58.937699][ T8213] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.950757][ T8211] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.965594][ T8218] team0: Port device team_slave_1 added [ 58.972767][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.980897][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.989140][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.998217][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.006652][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.015463][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.023752][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.032167][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.070880][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.080080][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.088897][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.095947][ T8219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.103618][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.112345][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.120896][ T8219] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.127994][ T8219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.135541][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.144206][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.152690][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.159794][ T8219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.167296][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.176229][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.184143][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.230343][ T8216] device hsr_slave_0 entered promiscuous mode [ 59.308260][ T8216] device hsr_slave_1 entered promiscuous mode [ 59.357885][ T8216] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.380570][ T8205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.389721][ T8213] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.430835][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.440444][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.449545][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.458254][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.466806][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.475467][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.482570][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.490113][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.549449][ T8218] device hsr_slave_0 entered promiscuous mode [ 59.598158][ T8218] device hsr_slave_1 entered promiscuous mode [ 59.637756][ T8218] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.647738][ T8213] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.719625][ T8213] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.760535][ T8213] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.819041][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.828073][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.836395][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.844871][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.890334][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.899550][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.908900][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.917293][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.925671][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.934105][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.943550][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.952724][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.960288][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.983348][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.991431][ T8216] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.041533][ T8216] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.089636][ T8216] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.155298][ T8205] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.163106][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.172925][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.181537][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.190086][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.198324][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.206523][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.214756][ T8216] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.272684][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.281648][ T8218] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.314001][ T8218] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.370031][ T8218] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.425534][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.435252][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.452929][ T8207] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.462620][ T8218] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.561341][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.570506][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.584741][ T8211] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.660161][ T8213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.731620][ T8216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 165.687511][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.694621][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8226 [ 165.702104][ C1] (detected by 1, t=10503 jiffies, g=6409, q=264) [ 165.708592][ C1] syz-executor.0 R running task 29280 8226 8205 0x0000400a [ 165.716480][ C1] Call Trace: [ 165.719933][ C1] [ 165.722778][ C1] sched_show_task+0x40f/0x560 [ 165.727538][ C1] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 165.732997][ C1] update_process_times+0x12d/0x180 [ 165.738186][ C1] tick_sched_timer+0x263/0x420 [ 165.743034][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.748568][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.753775][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.758714][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.763989][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.769522][ C1] apic_timer_interrupt+0xf/0x20 [ 165.774441][ C1] [ 165.777370][ C1] RIP: 0010:mod_memcg_page_state+0x2b/0x190 [ 165.783247][ C1] Code: 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 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df <42> 80 3c 20 00 74 08 48 89 df e8 b6 9f 69 00 48 8b 1b 48 85 db 0f [ 165.802841][ C1] RSP: 0018:ffffc900025b76d8 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 [ 165.811239][ C1] RAX: 1ffffd4000510457 RBX: ffffea00028822b8 RCX: ffff888098df0240 [ 165.819197][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002882280 [ 165.833852][ C1] RBP: ffffc900025b76f8 R08: 000000000003a768 R09: fffffbfff120248a [ 165.841811][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 165.849786][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888095a595e8 [ 165.857767][ C1] ? mod_memcg_page_state+0x16/0x190 [ 165.863041][ C1] free_thread_stack+0x168/0x590 [ 165.867971][ C1] put_task_stack+0xa3/0x130 [ 165.872547][ C1] finish_task_switch+0x3f1/0x550 [ 165.877567][ C1] __schedule+0x9a8/0xcc0 [ 165.881895][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.886995][ C1] preempt_schedule+0xdb/0x120 [ 165.891749][ C1] ___preempt_schedule+0x16/0x18 [ 165.896709][ C1] ? check_preemption_disabled+0x37/0x260 [ 165.902430][ C1] rcu_lockdep_current_cpu_online+0xeb/0xf0 [ 165.908365][ C1] rcu_read_lock_held+0x92/0x130 [ 165.913352][ C1] xas_reload+0x163/0x200 [ 165.917681][ C1] filemap_map_pages+0x582/0xf80 [ 165.922798][ C1] do_read_fault+0x37b/0x9e0 [ 165.927379][ C1] handle_mm_fault+0x1bb8/0x2890 [ 165.932323][ C1] do_user_addr_fault+0x589/0xaf0 [ 165.937342][ C1] __do_page_fault+0xd3/0x1f0 [ 165.942010][ C1] do_page_fault+0x99/0xb0 [ 165.946415][ C1] page_fault+0x39/0x40 [ 165.950558][ C1] RIP: 0010:strncpy_from_user+0x1c7/0x3f0 [ 165.956261][ C1] Code: d0 45 31 f6 4c 8b 7d c0 4c 8b 65 c8 eb 1a 0f 1f 44 00 00 e8 9b 92 ca fd 49 83 c6 f8 49 83 c4 08 49 83 c7 08 48 89 5d d0 31 db <4d> 8b 2c 24 31 ff 89 de e8 1c 96 ca fd 85 db 0f 85 ba 00 00 00 4c [ 165.975937][ C1] RSP: 0018:ffffc900025b7dc8 EFLAGS: 00010246 [ 165.981989][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888098df0240 [ 165.989950][ C1] RDX: ffff888098df0240 RSI: 0000000000000fe0 RDI: 0000000000000007 [ 165.997926][ C1] RBP: ffffc900025b7e18 R08: ffffffff83ac093c R09: 0000000000000fe0 [ 166.005915][ C1] R10: 0000000000000020 R11: ffff8880aa9faa80 R12: 00000000004c00d3 [ 166.013876][ C1] R13: 0000000000000fe0 R14: 0000000000000000 R15: ffff8880934e0320 [ 166.021846][ C1] ? strncpy_from_user+0x18c/0x3f0 [ 166.026955][ C1] ? strncpy_from_user+0x18c/0x3f0 [ 166.032071][ C1] getname_flags+0x106/0x640 [ 166.036653][ C1] do_symlinkat+0x6d/0x3f0 [ 166.041058][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 166.046602][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 166.052306][ C1] ? do_syscall_64+0x1d/0x1c0 [ 166.056973][ C1] __x64_sys_symlink+0x60/0x70 [ 166.061725][ C1] do_syscall_64+0xf7/0x1c0 [ 166.066216][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.072095][ C1] RIP: 0033:0x45a3a7 [ 166.075992][ C1] Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.095693][ C1] RSP: 002b:00007fffdbe761b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 [ 166.104088][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045a3a7 [ 166.112050][ C1] RDX: 00007fffdbe76257 RSI: 00000000004c00d3 RDI: 00007fffdbe76240 [ 166.120006][ C1] RBP: 0000000000000000 R08: 0000000000000220 R09: 0000000000000017 [ 166.127965][ C1] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000001 [ 166.135924][ C1] R13: 00007fffdbe761f0 R14: 0000000000000000 R15: 00007fffdbe76200 [ 166.143903][ C1] rcu: rcu_preempt kthread starved for 10535 jiffies! g6409 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.154987][ C1] rcu: RCU grace-period kthread stack dump: [ 166.160871][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 166.168933][ C1] Call Trace: [ 166.172228][ C1] __schedule+0x9a0/0xcc0 [ 166.176555][ C1] schedule+0x181/0x210 [ 166.180698][ C1] schedule_timeout+0x14f/0x240 [ 166.185538][ C1] ? run_local_timers+0x120/0x120 [ 166.190555][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.195313][ C1] kthread+0x332/0x350 [ 166.199369][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.204465][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.209131][ C1] ret_from_fork+0x24/0x30