Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts. [ 44.740983] random: sshd: uninitialized urandom read (32 bytes read) 2019/04/25 14:59:32 fuzzer started [ 44.939936] audit: type=1400 audit(1556204372.012:36): avc: denied { map } for pid=7130 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 46.740593] random: cc1: uninitialized urandom read (8 bytes read) 2019/04/25 14:59:34 dialing manager at 10.128.0.105:45567 2019/04/25 14:59:39 syscalls: 2434 2019/04/25 14:59:39 code coverage: enabled 2019/04/25 14:59:39 comparison tracing: ioctl(KCOV_TRACE_CMP) failed: invalid argument 2019/04/25 14:59:39 extra coverage: extra coverage is not supported by the kernel 2019/04/25 14:59:39 setuid sandbox: enabled 2019/04/25 14:59:39 namespace sandbox: enabled 2019/04/25 14:59:39 Android sandbox: /sys/fs/selinux/policy does not exist 2019/04/25 14:59:39 fault injection: enabled 2019/04/25 14:59:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/04/25 14:59:39 net packet injection: enabled 2019/04/25 14:59:39 net device setup: enabled [ 53.915626] random: crng init done 15:01:08 executing program 1: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000240)='net/ptype\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, 0x0, 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) 15:01:08 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0adc1f123c123f319bd070") syz_read_part_table(0xe01f0303, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="009000030000000000004c00000000000000000000000000e0e51532000000000200880126000100000064000000000127008e030c00650000006400000000030d00f0043100c90000006400000000043200422020002d010000d306000055aa", 0x60, 0x1a0}]) 15:01:08 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = fcntl$dupfd(r0, 0x0, r0) bind$bt_rfcomm(r1, &(0x7f0000000280)={0x1f, {0xffffffffffffffff, 0x1ff, 0x3}}, 0xa) setsockopt$inet_msfilter(r1, 0x0, 0x29, 0x0, 0x0) 15:01:08 executing program 3: openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) gettid() prlimit64(0x0, 0x0, 0x0, 0x0) readv(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$EXT4_IOC_PRECACHE_EXTENTS(0xffffffffffffffff, 0x6612) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) clone(0x10002102001ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) ioctl$EXT4_IOC_GROUP_ADD(r0, 0x40286608, &(0x7f00000000c0)={0x10}) 15:01:08 executing program 4: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x3, 0x3, &(0x7f0000001fd8)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x13, 0x5d}}, &(0x7f0000000000)='PL \x00L\xf7\xd1*\xf1\x1c\xe9%7\xb5\xe3\x19\x1ef\xde]N\xc1\x8eL-\xf0\x14\x84\xa8mw\x84/bIF\xea\xe3\x10yL\x8c\x96\xff\x14f#.%\x95\x119\xbd\xa5\xd2\x99\x0eR?\x8e\xc3\b\x0f\xfc\x12$\xd8\xdcL\x84\xa9\xc8\xe8\xab1Wh\x06qU#\xfat\x9e\x86\x15\xc6\x10I\xb8\xb1\xbej\xa7t\a\x02\xccZ\xdd', 0x5, 0x487, &(0x7f000000cf3d)=""/195}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r0, 0x0, 0xe, 0x0, &(0x7f0000000280)="26a4b8318b98ff4dc870bd6688a8", 0x0, 0x1200}, 0x28) 15:01:08 executing program 0: mbind(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x8001, 0x0, 0x0, 0x0) [ 141.156448] audit: type=1400 audit(1556204468.232:37): avc: denied { map } for pid=7146 comm="syz-executor.1" path="/sys/kernel/debug/kcov" dev="debugfs" ino=13802 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 142.150160] IPVS: ftp: loaded support on port[0] = 21 [ 142.464511] chnl_net:caif_netlink_parms(): no params data found [ 142.473963] IPVS: ftp: loaded support on port[0] = 21 [ 142.503692] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.510329] bridge0: port 1(bridge_slave_0) entered disabled state [ 142.517251] device bridge_slave_0 entered promiscuous mode [ 142.524913] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.531354] bridge0: port 2(bridge_slave_1) entered disabled state [ 142.538142] device bridge_slave_1 entered promiscuous mode [ 142.562582] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 142.576962] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 142.603187] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 142.610600] team0: Port device team_slave_0 added [ 142.618513] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 142.625624] team0: Port device team_slave_1 added [ 142.630977] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 142.641294] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 142.701053] IPVS: ftp: loaded support on port[0] = 21 [ 142.708210] device hsr_slave_0 entered promiscuous mode [ 142.750298] device hsr_slave_1 entered promiscuous mode [ 142.792082] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 142.818958] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 142.891472] chnl_net:caif_netlink_parms(): no params data found [ 142.902063] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.908517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 142.915333] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.921686] bridge0: port 1(bridge_slave_0) entered forwarding state [ 142.987259] IPVS: ftp: loaded support on port[0] = 21 [ 143.035387] bridge0: port 1(bridge_slave_0) entered blocking state [ 143.041920] bridge0: port 1(bridge_slave_0) entered disabled state [ 143.048735] device bridge_slave_0 entered promiscuous mode [ 143.056691] bridge0: port 2(bridge_slave_1) entered blocking state [ 143.063234] bridge0: port 2(bridge_slave_1) entered disabled state [ 143.070255] device bridge_slave_1 entered promiscuous mode [ 143.096094] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 143.107917] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 143.135708] chnl_net:caif_netlink_parms(): no params data found [ 143.150120] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 143.157186] team0: Port device team_slave_0 added [ 143.176345] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 143.183795] team0: Port device team_slave_1 added [ 143.195194] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 143.204954] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 143.243550] bridge0: port 1(bridge_slave_0) entered blocking state [ 143.249969] bridge0: port 1(bridge_slave_0) entered disabled state [ 143.257230] device bridge_slave_0 entered promiscuous mode [ 143.285882] IPVS: ftp: loaded support on port[0] = 21 [ 143.298340] bridge0: port 2(bridge_slave_1) entered blocking state [ 143.305087] bridge0: port 2(bridge_slave_1) entered disabled state [ 143.312542] device bridge_slave_1 entered promiscuous mode [ 143.353143] device hsr_slave_0 entered promiscuous mode [ 143.390289] device hsr_slave_1 entered promiscuous mode [ 143.440812] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 143.448163] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 143.467945] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 143.474154] 8021q: adding VLAN 0 to HW filter on device bond0 [ 143.519289] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 143.528679] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 143.536269] bridge0: port 1(bridge_slave_0) entered disabled state [ 143.543194] bridge0: port 2(bridge_slave_1) entered disabled state [ 143.550372] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 143.590745] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 143.598387] chnl_net:caif_netlink_parms(): no params data found [ 143.612456] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 143.642918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 143.649774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 143.668196] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 143.674369] 8021q: adding VLAN 0 to HW filter on device team0 [ 143.680872] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 143.688037] team0: Port device team_slave_0 added [ 143.699017] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 143.709535] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 143.717637] team0: Port device team_slave_1 added [ 143.723981] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 143.752953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 143.761161] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 143.768659] bridge0: port 1(bridge_slave_0) entered blocking state [ 143.775082] bridge0: port 1(bridge_slave_0) entered forwarding state [ 143.782171] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 143.802569] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 143.814737] IPVS: ftp: loaded support on port[0] = 21 [ 143.826625] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 143.893514] device hsr_slave_0 entered promiscuous mode [ 143.931038] device hsr_slave_1 entered promiscuous mode [ 143.970281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 143.978084] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 143.985783] bridge0: port 2(bridge_slave_1) entered blocking state [ 143.992132] bridge0: port 2(bridge_slave_1) entered forwarding state [ 144.006795] bridge0: port 1(bridge_slave_0) entered blocking state [ 144.013212] bridge0: port 1(bridge_slave_0) entered disabled state [ 144.020238] device bridge_slave_0 entered promiscuous mode [ 144.026906] bridge0: port 2(bridge_slave_1) entered blocking state [ 144.033472] bridge0: port 2(bridge_slave_1) entered disabled state [ 144.040568] device bridge_slave_1 entered promiscuous mode [ 144.053867] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 144.067476] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 144.084967] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 144.092872] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 144.101931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 144.109631] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 144.134326] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 144.165202] 8021q: adding VLAN 0 to HW filter on device bond0 [ 144.176449] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 144.199214] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 144.208069] team0: Port device team_slave_0 added [ 144.213978] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 144.228508] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 144.236781] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 144.244105] team0: Port device team_slave_1 added [ 144.249748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 144.257345] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 144.299255] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 144.307881] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 144.333716] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 144.341811] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 144.349871] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 144.366222] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 144.422161] device hsr_slave_0 entered promiscuous mode [ 144.460285] device hsr_slave_1 entered promiscuous mode [ 144.530473] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 144.538300] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 144.545962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 144.553544] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 144.562145] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 144.568325] chnl_net:caif_netlink_parms(): no params data found [ 144.590738] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 144.598843] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 144.610324] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 144.616325] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 144.623845] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 144.630902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 144.637812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.644953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 144.656791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 144.666394] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 144.673013] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.682589] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 144.690348] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 144.713571] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 144.720680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 144.728407] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 144.736330] bridge0: port 1(bridge_slave_0) entered blocking state [ 144.742702] bridge0: port 1(bridge_slave_0) entered forwarding state [ 144.757715] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 144.768795] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 144.784147] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 144.798704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 144.806034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 144.813781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 144.821869] bridge0: port 2(bridge_slave_1) entered blocking state [ 144.828201] bridge0: port 2(bridge_slave_1) entered forwarding state [ 144.835368] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 144.846707] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 144.877394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 144.890886] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 144.897969] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 144.925271] bridge0: port 1(bridge_slave_0) entered blocking state [ 144.932074] bridge0: port 1(bridge_slave_0) entered disabled state [ 144.938904] device bridge_slave_0 entered promiscuous mode [ 144.946158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 144.954051] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 144.961776] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 144.972161] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 144.983872] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 144.991840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 145.002947] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.009297] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.016736] device bridge_slave_1 entered promiscuous mode [ 145.038246] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 145.072565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 145.082697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 145.090882] chnl_net:caif_netlink_parms(): no params data found [ 145.106798] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 145.116122] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 145.126057] bond0: Enslaving bond_slave_1 as an active interface with an up link 15:01:12 executing program 1: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000240)='net/ptype\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, 0x0, 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 145.139301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 145.147368] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 145.176636] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready 15:01:12 executing program 1: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000240)='net/ptype\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, 0x0, 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 145.183889] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 15:01:12 executing program 1: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000240)='net/ptype\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, 0x0, 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) 15:01:12 executing program 1: r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000140)="0adc1f123c123f319bd070") r2 = dup(r0) r3 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r2) [ 145.247686] 8021q: adding VLAN 0 to HW filter on device bond0 [ 145.272089] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 145.291503] team0: Port device team_slave_0 added [ 145.302878] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 145.315670] team0: Port device team_slave_1 added [ 145.323590] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 145.332594] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 145.341571] 8021q: adding VLAN 0 to HW filter on device bond0 [ 145.368223] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 145.380434] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 145.388500] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 145.407398] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready 15:01:12 executing program 1: r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000140)="0adc1f123c123f319bd070") r2 = dup(r0) r3 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r2) [ 145.415850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 145.423033] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 145.431561] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 145.439880] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 145.446853] 8021q: adding VLAN 0 to HW filter on device team0 [ 145.461699] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.468059] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.484574] device bridge_slave_0 entered promiscuous mode [ 145.505503] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 145.513660] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 145.521793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 145.537016] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 145.545760] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 145.552237] 8021q: adding VLAN 0 to HW filter on device team0 [ 145.558384] bridge0: port 2(bridge_slave_1) entered blocking state 15:01:12 executing program 1: r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000140)="0adc1f123c123f319bd070") r2 = dup(r0) r3 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r2) [ 145.565497] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.573636] device bridge_slave_1 entered promiscuous mode [ 145.643893] device hsr_slave_0 entered promiscuous mode [ 145.680356] device hsr_slave_1 entered promiscuous mode [ 145.730625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 145.740962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 145.748484] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.754852] bridge0: port 1(bridge_slave_0) entered forwarding state [ 145.764421] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 145.776530] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 145.797842] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 145.805222] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 145.811988] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 145.818953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready 15:01:12 executing program 1: r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000140)="0adc1f123c123f319bd070") r2 = dup(r0) r3 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r2) [ 145.836199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 145.852572] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.858946] bridge0: port 2(bridge_slave_1) entered forwarding state [ 145.866081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 145.873954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 145.881721] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.888081] bridge0: port 1(bridge_slave_0) entered forwarding state [ 145.898455] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 145.907391] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 145.932929] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 145.941418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 145.951951] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 145.963346] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 145.976925] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 145.996314] hrtimer: interrupt took 47095 ns [ 146.004078] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 146.211736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 146.219561] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 146.231140] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.237791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 146.245039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 146.261710] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 146.281052] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 146.287888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 146.296862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 146.304509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 146.313075] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 146.343956] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 146.351095] team0: Port device team_slave_0 added [ 146.356967] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 146.370530] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 146.379407] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 146.388842] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 146.396171] team0: Port device team_slave_1 added [ 146.401845] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 146.410471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 146.417991] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 146.425703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 146.433272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 146.440993] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 146.448484] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 146.463591] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 146.471263] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 146.487540] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 146.495551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 146.503987] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 146.513534] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 146.528367] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 146.536145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 146.543822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 146.551410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 146.560840] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 146.568413] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 146.578026] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 146.585465] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 146.592995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 146.600911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 146.642848] device hsr_slave_0 entered promiscuous mode [ 146.680425] device hsr_slave_1 entered promiscuous mode [ 146.722333] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 146.728379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 146.741598] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 146.750856] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 146.763926] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 146.786779] 8021q: adding VLAN 0 to HW filter on device bond0 [ 146.796961] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 146.811264] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 146.818959] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 146.826565] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 146.849819] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 146.859961] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 146.867222] 8021q: adding VLAN 0 to HW filter on device team0 [ 146.877374] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 146.884120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 146.891778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 146.917487] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 146.925296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 146.934312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 146.943471] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.949814] bridge0: port 1(bridge_slave_0) entered forwarding state [ 146.963454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 146.977390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 146.987948] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 146.996417] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 147.004108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 147.013444] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 147.022331] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.028678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 147.039454] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 147.046846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 147.054778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 147.064797] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 147.076918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 147.087295] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 147.093507] 8021q: adding VLAN 0 to HW filter on device team0 [ 147.102870] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 147.112003] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 147.112059] ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. [ 147.124033] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 147.129495] ldm_validate_privheads(): Cannot find PRIVHEAD 1. [ 147.144749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 147.146326] loop5: p1 p2 p3 p4 [ 147.157355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 147.166474] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.172873] bridge0: port 1(bridge_slave_0) entered forwarding state [ 147.178746] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 147.191572] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 147.208175] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 147.215746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 147.227717] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 147.236680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 147.248666] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 147.264732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 147.272596] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.278991] bridge0: port 2(bridge_slave_1) entered forwarding state [ 147.288185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 147.295979] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 147.308185] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 147.316316] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 147.326310] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 147.333929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 147.344195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 147.351950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 147.359516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 147.367314] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 147.375264] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 147.387179] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 147.395644] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 147.402478] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 147.410295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 147.417761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 147.425276] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 147.440731] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 147.448635] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 147.455677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 147.465782] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 147.473367] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 147.481362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 147.491598] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 147.499884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 147.509782] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 147.519420] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 147.526799] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 147.535781] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 147.542359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 147.562454] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 147.570732] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 147.583750] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 147.596441] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 427.991346] INFO: task syz-executor.0:7153 blocked for more than 140 seconds. [ 427.998777] Not tainted 4.14.113 #3 [ 428.003430] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.011478] syz-executor.0 D24992 7153 1 0x00000004 [ 428.017128] Call Trace: [ 428.019728] __schedule+0x7be/0x1cf0 [ 428.023526] ? __mutex_lock+0x737/0x1470 [ 428.027604] ? pci_mmcfg_check_reserved+0x150/0x150 [ 428.032708] schedule+0x92/0x1c0 [ 428.036067] schedule_preempt_disabled+0x13/0x20 [ 428.041056] __mutex_lock+0x73c/0x1470 [ 428.044960] ? trace_hardirqs_on+0x10/0x10 [ 428.049194] ? lo_release+0x84/0x1b0 [ 428.052966] ? save_trace+0x280/0x290 [ 428.056798] ? mutex_trylock+0x1c0/0x1c0 [ 428.060919] ? __blkdev_put+0x397/0x7f0 [ 428.064901] ? find_held_lock+0x35/0x130 [ 428.068946] ? __blkdev_put+0x397/0x7f0 [ 428.073100] ? loop_clr_fd+0xae0/0xae0 [ 428.077017] mutex_lock_nested+0x16/0x20 [ 428.081149] ? mutex_lock_nested+0x16/0x20 [ 428.085395] lo_release+0x84/0x1b0 [ 428.088918] ? loop_clr_fd+0xae0/0xae0 [ 428.092881] __blkdev_put+0x436/0x7f0 [ 428.096706] ? bd_set_size+0xb0/0xb0 [ 428.100490] ? wait_for_completion+0x420/0x420 [ 428.105072] blkdev_put+0x88/0x510 [ 428.108604] ? fcntl_setlk+0xb90/0xb90 [ 428.112754] ? blkdev_put+0x510/0x510 [ 428.116795] blkdev_close+0x8b/0xb0 [ 428.121590] __fput+0x277/0x7a0 [ 428.125153] ____fput+0x16/0x20 [ 428.128849] task_work_run+0x119/0x190 [ 428.133031] exit_to_usermode_loop+0x1da/0x220 [ 428.137819] do_syscall_64+0x4a9/0x630 [ 428.141831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.146750] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 428.152033] RIP: 0033:0x412b40 [ 428.155228] RSP: 002b:00007ffc86490438 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 428.163826] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000412b40 [ 428.171265] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003 [ 428.178551] RBP: 000000000070e4e0 R08: 0000000000000000 R09: 000000000000000a [ 428.186290] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 428.193676] R13: 00007ffc86490470 R14: 0000000000000003 R15: 00007ffc86490480 [ 428.201053] INFO: task syz-executor.2:7156 blocked for more than 140 seconds. [ 428.208337] Not tainted 4.14.113 #3 [ 428.212547] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.220689] syz-executor.2 D25168 7156 1 0x00000004 [ 428.226399] Call Trace: [ 428.229148] __schedule+0x7be/0x1cf0 [ 428.233021] ? __mutex_lock+0x737/0x1470 [ 428.237728] ? pci_mmcfg_check_reserved+0x150/0x150 [ 428.242821] schedule+0x92/0x1c0 [ 428.246202] schedule_preempt_disabled+0x13/0x20 [ 428.251332] __mutex_lock+0x73c/0x1470 [ 428.256384] ? trace_hardirqs_on+0x10/0x10 [ 428.261602] ? lo_open+0x1d/0xb0 [ 428.264992] ? refcount_inc_not_zero+0x50/0xe0 [ 428.269784] ? mutex_trylock+0x1c0/0x1c0 [ 428.274044] ? find_held_lock+0x35/0x130 [ 428.278306] ? disk_get_part+0x9c/0x140 [ 428.282545] ? lock_downgrade+0x6e0/0x6e0 [ 428.286874] ? loop_unregister_transfer+0x90/0x90 [ 428.291770] mutex_lock_nested+0x16/0x20 [ 428.295835] ? mutex_lock_nested+0x16/0x20 [ 428.300162] lo_open+0x1d/0xb0 [ 428.303376] __blkdev_get+0x2c9/0x1120 [ 428.307398] ? __blkdev_put+0x7f0/0x7f0 [ 428.311545] ? bd_acquire+0x178/0x2c0 [ 428.315341] ? find_held_lock+0x35/0x130 [ 428.319392] blkdev_get+0xa8/0x8e0 [ 428.323024] ? bd_may_claim+0xd0/0xd0 [ 428.327076] ? _raw_spin_unlock+0x2d/0x50 [ 428.331322] blkdev_open+0x1d1/0x260 [ 428.335050] ? security_file_open+0x8f/0x1a0 [ 428.339602] do_dentry_open+0x73e/0xeb0 [ 428.343661] ? bd_acquire+0x2c0/0x2c0 [ 428.347484] vfs_open+0x105/0x230 [ 428.351019] path_openat+0x8bd/0x3f70 [ 428.354852] ? trace_hardirqs_on+0x10/0x10 [ 428.359092] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 428.363827] ? find_held_lock+0x35/0x130 [ 428.367982] ? __alloc_fd+0x1d4/0x4a0 [ 428.371828] do_filp_open+0x18e/0x250 [ 428.375634] ? may_open_dev+0xe0/0xe0 [ 428.379432] ? _raw_spin_unlock+0x2d/0x50 [ 428.383679] ? __alloc_fd+0x1d4/0x4a0 [ 428.387493] do_sys_open+0x2c5/0x430 [ 428.391287] ? filp_open+0x70/0x70 [ 428.394835] SyS_open+0x2d/0x40 [ 428.398100] ? do_sys_open+0x430/0x430 [ 428.402059] do_syscall_64+0x1eb/0x630 [ 428.405960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.410883] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 428.416087] RIP: 0033:0x412d20 [ 428.419261] RSP: 002b:00007ffd10bce1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 428.427048] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000412d20 [ 428.434436] RDX: 00007ffd10bce25a RSI: 0000000000000002 RDI: 00007ffd10bce250 [ 428.441792] RBP: 000000000070e4e0 R08: 0000000000000000 R09: 000000000000000a [ 428.449107] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 428.456517] R13: 00007ffd10bce200 R14: 0000000000000003 R15: 00007ffd10bce210 [ 428.463889] INFO: task syz-executor.3:7157 blocked for more than 140 seconds. [ 428.471412] Not tainted 4.14.113 #3 [ 428.475579] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.483665] syz-executor.3 D24992 7157 1 0x00000004 [ 428.489323] Call Trace: [ 428.491984] __schedule+0x7be/0x1cf0 [ 428.495843] ? __mutex_lock+0x737/0x1470 [ 428.499897] ? pci_mmcfg_check_reserved+0x150/0x150 [ 428.504987] schedule+0x92/0x1c0 [ 428.508368] schedule_preempt_disabled+0x13/0x20 [ 428.513209] __mutex_lock+0x73c/0x1470 [ 428.517123] ? trace_hardirqs_on+0x10/0x10 [ 428.521693] ? lo_open+0x1d/0xb0 [ 428.525070] ? refcount_inc_not_zero+0x50/0xe0 [ 428.529652] ? mutex_trylock+0x1c0/0x1c0 [ 428.533882] ? find_held_lock+0x35/0x130 [ 428.537944] ? disk_get_part+0x9c/0x140 [ 428.541992] ? lock_downgrade+0x6e0/0x6e0 [ 428.546146] ? loop_unregister_transfer+0x90/0x90 [ 428.551163] mutex_lock_nested+0x16/0x20 [ 428.555227] ? mutex_lock_nested+0x16/0x20 [ 428.559449] lo_open+0x1d/0xb0 [ 428.562767] __blkdev_get+0x2c9/0x1120 [ 428.566679] ? __blkdev_put+0x7f0/0x7f0 [ 428.570715] ? bd_acquire+0x178/0x2c0 [ 428.574610] ? find_held_lock+0x35/0x130 [ 428.578672] blkdev_get+0xa8/0x8e0 [ 428.582284] ? bd_may_claim+0xd0/0xd0 [ 428.586097] ? _raw_spin_unlock+0x2d/0x50 [ 428.590293] blkdev_open+0x1d1/0x260 [ 428.594016] ? security_file_open+0x8f/0x1a0 [ 428.598417] do_dentry_open+0x73e/0xeb0 [ 428.602448] ? bd_acquire+0x2c0/0x2c0 [ 428.606335] vfs_open+0x105/0x230 [ 428.609799] path_openat+0x8bd/0x3f70 [ 428.613660] ? trace_hardirqs_on+0x10/0x10 [ 428.617914] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 428.622652] ? find_held_lock+0x35/0x130 [ 428.626734] ? __alloc_fd+0x1d4/0x4a0 [ 428.630668] do_filp_open+0x18e/0x250 [ 428.634477] ? may_open_dev+0xe0/0xe0 [ 428.638277] ? _raw_spin_unlock+0x2d/0x50 [ 428.642491] ? __alloc_fd+0x1d4/0x4a0 [ 428.646316] do_sys_open+0x2c5/0x430 [ 428.650129] ? filp_open+0x70/0x70 [ 428.653699] SyS_open+0x2d/0x40 [ 428.656975] ? do_sys_open+0x430/0x430 [ 428.660945] do_syscall_64+0x1eb/0x630 [ 428.664895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.669748] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 428.675015] RIP: 0033:0x412d20 [ 428.678221] RSP: 002b:00007ffd0c31b218 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 428.686001] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000412d20 [ 428.693335] RDX: 00007ffd0c31b2aa RSI: 0000000000000002 RDI: 00007ffd0c31b2a0 [ 428.700796] RBP: 000000000070e4e0 R08: 0000000000000000 R09: 000000000000000a [ 428.708090] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 428.717103] R13: 00007ffd0c31b250 R14: 0000000000000003 R15: 00007ffd0c31b260 [ 428.728687] INFO: task syz-executor.5:7235 blocked for more than 140 seconds. [ 428.736025] Not tainted 4.14.113 #3 [ 428.740247] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.748231] syz-executor.5 D26848 7235 7155 0x00000004 [ 428.753941] Call Trace: [ 428.756537] __schedule+0x7be/0x1cf0 [ 428.760313] ? __mutex_lock+0x737/0x1470 [ 428.764401] ? pci_mmcfg_check_reserved+0x150/0x150 [ 428.769418] schedule+0x92/0x1c0 [ 428.772879] schedule_preempt_disabled+0x13/0x20 [ 428.777661] __mutex_lock+0x73c/0x1470 [ 428.781714] ? blkdev_reread_part+0x1f/0x40 [ 428.786059] ? mutex_trylock+0x1c0/0x1c0 [ 428.790253] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 428.795368] ? __wake_up_common_lock+0xe3/0x160 [ 428.800129] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 428.805252] mutex_lock_nested+0x16/0x20 [ 428.809314] ? mutex_lock_nested+0x16/0x20 [ 428.813823] blkdev_reread_part+0x1f/0x40 [ 428.818036] loop_reread_partitions+0x7c/0x90 [ 428.822660] loop_clr_fd+0x844/0xae0 [ 428.826471] lo_ioctl+0x8d0/0x1c70 [ 428.830162] ? __check_object_size+0x12a/0x2ab [ 428.834908] ? loop_probe+0x160/0x160 [ 428.838789] blkdev_ioctl+0x983/0x1880 [ 428.842848] ? blkpg_ioctl+0x980/0x980 [ 428.847687] ? lock_downgrade+0x6e0/0x6e0 [ 428.855440] ? __might_sleep+0x93/0xb0 [ 428.867661] ? __fget+0x210/0x370 [ 428.873542] block_ioctl+0xde/0x120 [ 428.877565] ? blkdev_fallocate+0x3b0/0x3b0 [ 428.884792] do_vfs_ioctl+0x7b9/0x1070 [ 428.891475] ? selinux_file_mprotect+0x5d0/0x5d0 [ 428.898951] ? lock_downgrade+0x6e0/0x6e0 [ 428.909577] ? ioctl_preallocate+0x1c0/0x1c0 [ 428.916759] ? __fget+0x237/0x370 [ 428.920269] ? security_file_ioctl+0x8f/0xc0 [ 428.924713] SyS_ioctl+0x8f/0xc0 [ 428.928063] ? do_vfs_ioctl+0x1070/0x1070 [ 428.932248] do_syscall_64+0x1eb/0x630 [ 428.936139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.941033] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 428.946232] RIP: 0033:0x458c17 [ 428.949409] RSP: 002b:00007f858d1bc9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 428.957166] RAX: ffffffffffffffda RBX: 00007f858d1bd6d4 RCX: 0000000000458c17 [ 428.964652] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 428.971981] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000c [ 428.979249] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000000004 [ 428.986562] R13: 0000000000000000 R14: 0000000000000005 R15: 0000000000000004 [ 428.994053] INFO: task syz-executor.5:7250 blocked for more than 140 seconds. [ 429.001493] Not tainted 4.14.113 #3 [ 429.005637] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.013641] syz-executor.5 D29184 7250 7155 0x00000004 [ 429.020797] Call Trace: [ 429.023381] __schedule+0x7be/0x1cf0 [ 429.027194] ? __mutex_lock+0x737/0x1470 [ 429.031329] ? pci_mmcfg_check_reserved+0x150/0x150 [ 429.036388] schedule+0x92/0x1c0 [ 429.039743] schedule_preempt_disabled+0x13/0x20 [ 429.044536] __mutex_lock+0x73c/0x1470 [ 429.048427] ? __mutex_unlock_slowpath+0x71/0x800 [ 429.053302] ? __blkdev_get+0x145/0x1120 [ 429.057367] ? mutex_trylock+0x1c0/0x1c0 [ 429.061479] ? exact_match+0xd/0x20 [ 429.065111] ? kobj_lookup+0x319/0x410 [ 429.068991] ? blkdev_ioctl+0x1880/0x1880 [ 429.073200] mutex_lock_nested+0x16/0x20 [ 429.077263] ? mutex_lock_nested+0x16/0x20 [ 429.081534] __blkdev_get+0x145/0x1120 [ 429.085435] ? __blkdev_put+0x7f0/0x7f0 [ 429.089390] ? bd_acquire+0x178/0x2c0 [ 429.093249] ? find_held_lock+0x35/0x130 [ 429.097315] blkdev_get+0xa8/0x8e0 [ 429.100905] ? bd_may_claim+0xd0/0xd0 [ 429.104757] ? _raw_spin_unlock+0x2d/0x50 [ 429.108895] blkdev_open+0x1d1/0x260 [ 429.113144] ? security_file_open+0x8f/0x1a0 [ 429.117548] do_dentry_open+0x73e/0xeb0 [ 429.121570] ? bd_acquire+0x2c0/0x2c0 [ 429.125376] vfs_open+0x105/0x230 [ 429.128808] path_openat+0x8bd/0x3f70 [ 429.132644] ? trace_hardirqs_on+0x10/0x10 [ 429.136928] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 429.142516] ? find_held_lock+0x35/0x130 [ 429.150524] ? __alloc_fd+0x1d4/0x4a0 [ 429.154558] do_filp_open+0x18e/0x250 [ 429.158401] ? may_open_dev+0xe0/0xe0 [ 429.162290] ? _raw_spin_unlock+0x2d/0x50 [ 429.166445] ? __alloc_fd+0x1d4/0x4a0 [ 429.170300] do_sys_open+0x2c5/0x430 [ 429.174016] ? filp_open+0x70/0x70 [ 429.177536] ? fput+0xd4/0x150 [ 429.180777] ? SyS_pwrite64+0xca/0x140 [ 429.184674] SyS_open+0x2d/0x40 [ 429.187976] ? do_sys_open+0x430/0x430 [ 429.191951] do_syscall_64+0x1eb/0x630 [ 429.195839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.200752] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 429.205945] RIP: 0033:0x412d41 [ 429.209113] RSP: 002b:00007f858d17a9f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 429.216857] RAX: ffffffffffffffda RBX: 00007f858d17b6d4 RCX: 0000000000412d41 [ 429.224192] RDX: 00007f858d17abaa RSI: 0000000000000002 RDI: 00007f858d17aba0 [ 429.231526] RBP: 0000000000000001 R08: 0000000000000000 R09: 000000000000000a [ 429.238797] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000004 [ 429.246109] R13: 0000000000000004 R14: 00007f858d17b6d4 R15: 00000000ffffffff [ 429.253419] INFO: task blkid:7239 blocked for more than 140 seconds. [ 429.259899] Not tainted 4.14.113 #3 [ 429.264072] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.272090] blkid D28728 7239 7117 0x00000004 [ 429.277729] Call Trace: [ 429.280469] __schedule+0x7be/0x1cf0 [ 429.284187] ? __mutex_lock+0x737/0x1470 [ 429.288239] ? pci_mmcfg_check_reserved+0x150/0x150 [ 429.293306] schedule+0x92/0x1c0 [ 429.296726] schedule_preempt_disabled+0x13/0x20 [ 429.301534] __mutex_lock+0x73c/0x1470 [ 429.305433] ? lo_open+0x1d/0xb0 [ 429.308787] ? refcount_inc_not_zero+0x50/0xe0 [ 429.313422] ? mutex_trylock+0x1c0/0x1c0 [ 429.317486] ? exact_match+0xd/0x20 [ 429.321143] ? kobj_lookup+0x319/0x410 [ 429.325038] ? loop_unregister_transfer+0x90/0x90 [ 429.329868] mutex_lock_nested+0x16/0x20 [ 429.333972] ? mutex_lock_nested+0x16/0x20 [ 429.338215] lo_open+0x1d/0xb0 [ 429.341498] __blkdev_get+0xab1/0x1120 [ 429.345393] ? __blkdev_put+0x7f0/0x7f0 [ 429.349344] ? bd_acquire+0x178/0x2c0 [ 429.353177] ? find_held_lock+0x35/0x130 [ 429.357244] blkdev_get+0xa8/0x8e0 [ 429.360845] ? bd_may_claim+0xd0/0xd0 [ 429.364741] ? _raw_spin_unlock+0x2d/0x50 [ 429.368870] blkdev_open+0x1d1/0x260 [ 429.372646] ? security_file_open+0x8f/0x1a0 [ 429.377061] do_dentry_open+0x73e/0xeb0 [ 429.381078] ? bd_acquire+0x2c0/0x2c0 [ 429.384884] vfs_open+0x105/0x230 [ 429.388319] path_openat+0x8bd/0x3f70 [ 429.392215] ? trace_hardirqs_on+0x10/0x10 [ 429.396453] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 429.401159] ? find_held_lock+0x35/0x130 [ 429.405230] ? __alloc_fd+0x1d4/0x4a0 [ 429.409020] do_filp_open+0x18e/0x250 [ 429.412911] ? may_open_dev+0xe0/0xe0 [ 429.416726] ? _raw_spin_unlock+0x2d/0x50 [ 429.420931] ? __alloc_fd+0x1d4/0x4a0 [ 429.424736] do_sys_open+0x2c5/0x430 [ 429.428434] ? filp_open+0x70/0x70 [ 429.432012] SyS_open+0x2d/0x40 [ 429.435347] ? do_sys_open+0x430/0x430 [ 429.439231] do_syscall_64+0x1eb/0x630 [ 429.443166] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.448013] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 429.453249] RIP: 0033:0x7f1effaca120 [ 429.457061] RSP: 002b:00007ffeaf365958 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 429.464816] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1effaca120 [ 429.472221] RDX: 00007ffeaf367f41 RSI: 0000000000000000 RDI: 00007ffeaf367f41 [ 429.479485] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 429.486793] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000092b030 [ 429.494086] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 429.501428] INFO: task blkid:7240 blocked for more than 140 seconds. [ 429.507920] Not tainted 4.14.113 #3 [ 429.512104] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.520122] blkid D28224 7240 7118 0x00000004 [ 429.525764] Call Trace: [ 429.528350] __schedule+0x7be/0x1cf0 [ 429.532195] ? __mutex_lock+0x737/0x1470 [ 429.536257] ? pci_mmcfg_check_reserved+0x150/0x150 [ 429.541322] schedule+0x92/0x1c0 [ 429.544677] schedule_preempt_disabled+0x13/0x20 [ 429.549478] __mutex_lock+0x73c/0x1470 [ 429.553670] ? __mutex_unlock_slowpath+0x71/0x800 [ 429.558565] ? __blkdev_get+0x145/0x1120 [ 429.562679] ? mutex_trylock+0x1c0/0x1c0 [ 429.566780] ? exact_match+0xd/0x20 [ 429.570468] ? kobj_lookup+0x319/0x410 [ 429.574398] ? blkdev_ioctl+0x1880/0x1880 [ 429.578541] mutex_lock_nested+0x16/0x20 [ 429.582653] ? mutex_lock_nested+0x16/0x20 [ 429.586898] __blkdev_get+0x145/0x1120 [ 429.590831] ? __blkdev_put+0x7f0/0x7f0 [ 429.594823] ? bd_acquire+0x178/0x2c0 [ 429.598616] ? find_held_lock+0x35/0x130 [ 429.602746] blkdev_get+0xa8/0x8e0 [ 429.606297] ? bd_may_claim+0xd0/0xd0 [ 429.610155] ? _raw_spin_unlock+0x2d/0x50 [ 429.614314] blkdev_open+0x1d1/0x260 [ 429.618123] ? security_file_open+0x8f/0x1a0 [ 429.622575] do_dentry_open+0x73e/0xeb0 [ 429.626573] ? bd_acquire+0x2c0/0x2c0 [ 429.630441] vfs_open+0x105/0x230 [ 429.633899] path_openat+0x8bd/0x3f70 [ 429.637727] ? trace_hardirqs_on+0x10/0x10 [ 429.642011] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 429.646686] ? find_held_lock+0x35/0x130 [ 429.650792] ? __alloc_fd+0x1d4/0x4a0 [ 429.654606] do_filp_open+0x18e/0x250 [ 429.658399] ? may_open_dev+0xe0/0xe0 [ 429.662248] ? _raw_spin_unlock+0x2d/0x50 [ 429.666389] ? __alloc_fd+0x1d4/0x4a0 [ 429.670310] do_sys_open+0x2c5/0x430 [ 429.674029] ? filp_open+0x70/0x70 [ 429.677565] SyS_open+0x2d/0x40 [ 429.680904] ? do_sys_open+0x430/0x430 [ 429.684808] do_syscall_64+0x1eb/0x630 [ 429.688688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.693585] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 429.698796] RIP: 0033:0x7f20e99b4120 [ 429.702558] RSP: 002b:00007ffe93956888 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 429.710319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20e99b4120 [ 429.717705] RDX: 00007ffe93957f41 RSI: 0000000000000000 RDI: 00007ffe93957f41 [ 429.725059] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 429.732362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001215030 [ 429.739680] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 429.747012] [ 429.747012] Showing all locks held in the system: [ 429.753497] 1 lock held by khungtaskd/1007: [ 429.757873] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f [ 429.767457] 2 locks held by getty/7109: [ 429.771462] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 429.780198] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 429.789508] 2 locks held by getty/7110: [ 429.793515] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 429.802254] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 429.811601] 2 locks held by getty/7111: [ 429.815572] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 429.824295] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 429.833639] 2 locks held by getty/7112: [ 429.837658] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 429.846367] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 429.855727] 2 locks held by getty/7113: [ 429.859714] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 429.868448] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 429.877819] 2 locks held by getty/7114: [ 429.881845] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 429.890574] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 429.899870] 2 locks held by getty/7115: [ 429.903871] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 429.912593] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 429.921947] 3 locks held by syz-executor.0/7153: [ 429.926698] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xa6/0x7f0 [ 429.935233] #1: (loop_index_mutex){+.+.}, at: [] lo_release+0x1e/0x1b0 [ 429.943700] #2: (loop_ctl_mutex#2){+.+.}, at: [] lo_release+0x84/0x1b0 [ 429.952189] 2 locks held by syz-executor.2/7156: [ 429.956943] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 429.965788] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 429.973936] 2 locks held by syz-executor.3/7157: [ 429.978691] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 429.987403] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 429.995536] 2 locks held by syz-executor.5/7235: [ 430.000346] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 430.008769] #1: (&bdev->bd_mutex){+.+.}, at: [] blkdev_reread_part+0x1f/0x40 [ 430.017753] 1 lock held by syz-executor.5/7250: [ 430.022447] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 430.031190] 2 locks held by blkid/7239: [ 430.035153] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 430.043855] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 430.051995] 1 lock held by blkid/7240: [ 430.055883] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 430.064588] [ 430.066207] ============================================= [ 430.066207] [ 430.073397] NMI backtrace for cpu 0 [ 430.077030] CPU: 0 PID: 1007 Comm: khungtaskd Not tainted 4.14.113 #3 [ 430.083599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.092971] Call Trace: [ 430.095578] dump_stack+0x138/0x19c [ 430.099205] nmi_cpu_backtrace.cold+0x57/0x94 [ 430.103705] ? irq_force_complete_move.cold+0x7d/0x7d [ 430.108905] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 430.114183] arch_trigger_cpumask_backtrace+0x14/0x20 [ 430.119355] watchdog+0x5e7/0xb90 [ 430.122796] kthread+0x31c/0x430 [ 430.126143] ? hungtask_pm_notify+0x60/0x60 [ 430.130445] ? kthread_create_on_node+0xd0/0xd0 [ 430.135097] ret_from_fork+0x3a/0x50 [ 430.139214] Sending NMI from CPU 0 to CPUs 1: [ 430.144050] NMI backtrace for cpu 1 [ 430.144054] CPU: 1 PID: 52 Comm: kworker/u4:2 Not tainted 4.14.113 #3 [ 430.144059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.144062] Workqueue: bat_events batadv_nc_worker [ 430.144067] task: ffff8880a9f905c0 task.stack: ffff8880a9f98000 [ 430.144070] RIP: 0010:debug_lockdep_rcu_enabled+0x2e/0xa0 [ 430.144073] RSP: 0018:ffff8880a9f9fc60 EFLAGS: 00000246 [ 430.144078] RAX: 0000000000000007 RBX: ffff888074f38538 RCX: 1ffffffff1049cc9 [ 430.144082] RDX: 0000000000000000 RSI: ffff8880a9f90e90 RDI: 0000000000000286 [ 430.144086] RBP: ffff8880a9f9fc60 R08: 0000000000000000 R09: ffff8880a9f90eb0 [ 430.144089] R10: ffff8880a9f90e90 R11: ffff8880a9f905c0 R12: 0000000000000000 [ 430.144093] R13: ffff888068051f30 R14: ffff888068051500 R15: dffffc0000000000 [ 430.144096] FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 430.144100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.144103] CR2: 0000000001f38000 CR3: 00000000a1137000 CR4: 00000000001406e0 [ 430.144105] Call Trace: [ 430.144108] batadv_nc_process_nc_paths.part.0+0xe0/0x350 [ 430.144111] ? batadv_nc_process_nc_paths.part.0+0xa2/0x350 [ 430.144114] ? batadv_nc_sniffed_purge+0x310/0x310 [ 430.144117] batadv_nc_worker+0x4bb/0x6d0 [ 430.144119] process_one_work+0x868/0x1610 [ 430.144122] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 430.144125] worker_thread+0x5d9/0x1050 [ 430.144127] kthread+0x31c/0x430 [ 430.144130] ? process_one_work+0x1610/0x1610 [ 430.144132] ? kthread_create_on_node+0xd0/0xd0 [ 430.144135] ret_from_fork+0x3a/0x50 [ 430.144137] Code: 4c e6 24 88 55 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 89 e5 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 04 84 d2 75 49 <8b> 15 c8 bb d7 06 85 d2 74 3b 48 c7 c0 00 1d ab 87 48 ba 00 00 [ 430.144784] Kernel panic - not syncing: hung_task: blocked tasks [ 430.320101] CPU: 0 PID: 1007 Comm: khungtaskd Not tainted 4.14.113 #3 [ 430.326656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.335987] Call Trace: [ 430.338574] dump_stack+0x138/0x19c [ 430.342187] panic+0x1f2/0x438 [ 430.345357] ? add_taint.cold+0x16/0x16 [ 430.349318] ? irq_force_complete_move.cold+0x7d/0x7d [ 430.354500] watchdog+0x5f8/0xb90 [ 430.357940] kthread+0x31c/0x430 [ 430.361304] ? hungtask_pm_notify+0x60/0x60 [ 430.365605] ? kthread_create_on_node+0xd0/0xd0 [ 430.370258] ret_from_fork+0x3a/0x50 [ 430.374756] Kernel Offset: disabled [ 430.378378] Rebooting in 86400 seconds..