INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 '10.128.10.5' (ECDSA) to the list of known hosts. 2018/09/22 19:36:06 parsed 1 programs 2018/09/22 19:36:08 executed programs: 0 syzkaller login: [ 104.969131] IPVS: ftp: loaded support on port[0] = 21 [ 104.969712] IPVS: ftp: loaded support on port[0] = 21 [ 104.984466] IPVS: ftp: loaded support on port[0] = 21 [ 104.998640] IPVS: ftp: loaded support on port[0] = 21 [ 105.003167] IPVS: ftp: loaded support on port[0] = 21 [ 105.014570] IPVS: ftp: loaded support on port[0] = 21 [ 105.800014] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.815157] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.822454] device bridge_slave_0 entered promiscuous mode [ 105.868254] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.874661] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.888426] device bridge_slave_1 entered promiscuous mode [ 105.913241] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.928072] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.935055] device bridge_slave_0 entered promiscuous mode [ 105.943001] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.949801] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.956770] device bridge_slave_0 entered promiscuous mode [ 105.965141] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 105.986805] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.994200] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.002064] device bridge_slave_1 entered promiscuous mode [ 106.009729] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.018084] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.026172] device bridge_slave_1 entered promiscuous mode [ 106.038775] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.049047] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.058287] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.070265] device bridge_slave_0 entered promiscuous mode [ 106.078120] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.094248] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.101197] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.112123] device bridge_slave_0 entered promiscuous mode [ 106.124354] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.136859] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.144078] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.156602] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.163599] device bridge_slave_1 entered promiscuous mode [ 106.178790] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.185139] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.192484] device bridge_slave_0 entered promiscuous mode [ 106.206225] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.214895] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.221695] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.229330] device bridge_slave_1 entered promiscuous mode [ 106.237651] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.243985] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.255029] device bridge_slave_1 entered promiscuous mode [ 106.263120] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.279163] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.292075] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.308987] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.324221] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.333139] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.341800] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.360065] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.387520] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.401747] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.416383] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.467582] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.486988] ip (5878) used greatest stack depth: 15944 bytes left [ 106.497651] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.546983] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.556416] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.572906] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.587004] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 106.594388] team0: Port device team_slave_0 added [ 106.608964] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 106.621763] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.632764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 106.644018] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 106.652585] team0: Port device team_slave_1 added [ 106.671848] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 106.684279] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 106.695390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 106.703011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 106.713644] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 106.722074] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.739910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 106.749321] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 106.761705] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 106.769186] team0: Port device team_slave_0 added [ 106.786714] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 106.795864] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 106.804463] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 106.818809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 106.828304] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 106.836375] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 106.845022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 106.856191] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 106.863290] team0: Port device team_slave_0 added [ 106.868842] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 106.877215] team0: Port device team_slave_0 added [ 106.884023] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 106.892465] team0: Port device team_slave_1 added [ 106.899603] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 106.914249] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 106.926219] team0: Port device team_slave_1 added [ 106.932213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 106.943006] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 106.953658] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 106.962154] team0: Port device team_slave_1 added [ 106.974299] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 106.985533] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 106.997153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.004855] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.012940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.023957] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.034687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.048507] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 107.056360] team0: Port device team_slave_0 added [ 107.075842] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.083424] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.107003] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.120211] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.141065] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 107.158069] team0: Port device team_slave_1 added [ 107.163513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.171120] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.179033] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.189905] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.199050] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.208526] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.227947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.242230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.250815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.262498] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.270253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.277973] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.285883] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.294194] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 107.301355] team0: Port device team_slave_0 added [ 107.309679] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.323324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.341197] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.351482] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.363143] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.371172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.382242] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.406132] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.420326] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 107.433396] team0: Port device team_slave_1 added [ 107.446656] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.455003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.487446] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.495865] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.503870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.533623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.581021] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.650923] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.665463] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.675088] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.712191] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.734704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.745161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 108.039298] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.045862] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.052876] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.059307] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.072784] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.155691] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.162111] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.168857] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.175295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.185550] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.203466] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.209897] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.216663] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.223049] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.243226] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.256951] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.263342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.270067] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.276496] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.284878] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.500149] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.506589] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.513254] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.519676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.546894] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.584091] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.590554] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.597286] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.603656] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.628146] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.635497] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 108.643354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 108.651495] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 108.659298] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 108.667553] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 108.674569] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 111.061351] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.072081] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.188349] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.203275] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.308703] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.352368] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.429729] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.444697] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.461839] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.523012] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.568341] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 111.574608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 111.590090] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 111.610782] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 111.628236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 111.637439] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 111.725107] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.745156] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 111.754635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 111.770165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 111.811080] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 111.827457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 111.837973] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 111.857129] 8021q: adding VLAN 0 to HW filter on device team0 [ 111.893614] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.954951] 8021q: adding VLAN 0 to HW filter on device team0 [ 111.995472] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.015958] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 112.027930] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 112.036801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 112.067300] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.220465] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 112.233625] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 112.246420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 112.301920] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.432070] 8021q: adding VLAN 0 to HW filter on device team0 2018/09/22 19:36:17 executed programs: 6 2018/09/22 19:36:22 executed programs: 233 2018/09/22 19:36:27 executed programs: 480 2018/09/22 19:36:32 executed programs: 719 2018/09/22 19:36:37 executed programs: 963 2018/09/22 19:36:42 executed programs: 1206 2018/09/22 19:36:47 executed programs: 1440 2018/09/22 19:36:52 executed programs: 1676 2018/09/22 19:36:57 executed programs: 1921 2018/09/22 19:37:02 executed programs: 2161 2018/09/22 19:37:07 executed programs: 2407 2018/09/22 19:37:12 executed programs: 2646 2018/09/22 19:37:17 executed programs: 2881 2018/09/22 19:37:22 executed programs: 3128 2018/09/22 19:37:27 executed programs: 3375 [ 188.553390] [ 188.555079] ====================================================== [ 188.561409] WARNING: possible circular locking dependency detected [ 188.567727] 4.19.0-rc4-next-20180921+ #77 Not tainted [ 188.572908] ------------------------------------------------------ [ 188.579231] syz-executor3/17582 is trying to acquire lock: [ 188.584853] 000000004cc2ae30 (&sig->cred_guard_mutex){+.+.}, at: do_io_accounting+0x1d2/0xf80 [ 188.588449] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 188.593551] [ 188.593551] but task is already holding lock: [ 188.593557] 00000000ea8509df (&p->lock){+.+.}, at: seq_read+0x71/0x1150 [ 188.593591] [ 188.593591] which lock already depends on the new lock. [ 188.593591] [ 188.593595] [ 188.593595] the existing dependency chain (in reverse order) is: [ 188.593606] [ 188.593606] -> #2 [ 188.625367] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 188.628672] (&p->lock){+.+.}: [ 188.628702] __mutex_lock+0x166/0x1700 [ 188.628713] mutex_lock_nested+0x16/0x20 [ 188.628728] seq_read+0x71/0x1150 [ 188.628741] proc_reg_read+0x2a3/0x3d0 [ 188.628766] do_iter_read+0x4a3/0x650 [ 188.637024] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 188.641745] vfs_readv+0x175/0x1c0 [ 188.641762] default_file_splice_read+0x53c/0xb20 [ 188.641776] do_splice_to+0x12e/0x190 [ 188.641795] do_splice+0x1014/0x1430 [ 188.649592] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 188.653980] __x64_sys_splice+0x2c1/0x330 [ 188.653996] do_syscall_64+0x1b9/0x820 [ 188.654012] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.654022] [ 188.654022] -> #1 [ 188.665171] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 188.666694] (&pipe->mutex/1){+.+.}: [ 188.666726] __mutex_lock+0x166/0x1700 [ 188.666738] mutex_lock_nested+0x16/0x20 [ 188.666751] fifo_open+0x15c/0xad0 [ 188.666765] do_dentry_open+0x499/0x1250 [ 188.666784] vfs_open+0xa0/0xd0 [ 188.685944] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 188.686932] path_openat+0x12bc/0x5160 [ 188.686945] do_filp_open+0x255/0x380 [ 188.686955] do_open_execat+0x221/0x8e0 [ 188.686977] __do_execve_file.isra.33+0x176f/0x25d0 [ 188.696244] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 188.700658] __x64_sys_execve+0x8f/0xc0 [ 188.700675] do_syscall_64+0x1b9/0x820 [ 188.700691] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.700702] [ 188.700702] -> #0 [ 188.714276] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 188.715462] (&sig->cred_guard_mutex){+.+.}: [ 188.715494] lock_acquire+0x1ed/0x520 [ 188.715507] __mutex_lock+0x166/0x1700 [ 188.715519] mutex_lock_killable_nested+0x16/0x20 [ 188.715534] do_io_accounting+0x1d2/0xf80 [ 188.715560] proc_tgid_io_accounting+0x22/0x30 [ 188.818806] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 188.821476] proc_single_show+0x101/0x190 [ 188.835664] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 188.835912] seq_read+0x4af/0x1150 [ 188.846298] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 188.847423] __vfs_read+0x117/0x9b0 [ 188.847435] vfs_read+0x17f/0x3c0 [ 188.847452] ksys_pread64+0x181/0x1b0 [ 188.852214] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 188.861573] __x64_sys_pread64+0x97/0xf0 [ 188.861588] do_syscall_64+0x1b9/0x820 [ 188.861602] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.861606] [ 188.861606] other info that might help us debug this: [ 188.861606] [ 188.861609] Chain exists of: [ 188.861609] &sig->cred_guard_mutex --> &pipe->mutex/1 --> &p->lock [ 188.861609] [ 188.861633] Possible unsafe locking scenario: [ 188.861633] [ 188.861637] CPU0 CPU1 [ 188.861639] ---- ---- [ 188.861642] lock(&p->lock); [ 188.861649] lock(&pipe->mutex/1); [ 188.861661] lock(&p->lock); [ 188.861669] lock(&sig->cred_guard_mutex [ 188.868040] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 188.872141] ); [ 188.872145] [ 188.872145] *** DEADLOCK *** [ 188.872145] [ 188.872155] 1 lock held by syz-executor3/17582: [ 188.872159] #0: 00000000ea8509df (&p->lock [ 188.876957] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 188.880294] ){+.+.}, at: seq_read+0x71/0x1150 [ 188.880317] [ 188.880317] stack backtrace: [ 188.880338] CPU: 0 PID: 17582 Comm: syz-executor3 Not tainted 4.19.0-rc4-next-20180921+ #77 [ 189.012004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.021355] Call Trace: [ 189.023948] dump_stack+0x1d3/0x2c4 [ 189.027579] ? dump_stack_print_info.cold.2+0x52/0x52 [ 189.032759] ? vprintk_func+0x85/0x181 [ 189.036647] print_circular_bug.isra.33.cold.54+0x1bd/0x27d [ 189.042343] ? save_trace+0xe0/0x290 [ 189.046047] __lock_acquire+0x33e4/0x4ec0 [ 189.050183] ? print_usage_bug+0xc0/0xc0 [ 189.054244] ? mark_held_locks+0x130/0x130 [ 189.058486] ? print_usage_bug+0xc0/0xc0 [ 189.062555] ? __lock_acquire+0x7ec/0x4ec0 [ 189.066780] ? print_usage_bug+0xc0/0xc0 [ 189.070827] ? __switch_to_asm+0x34/0x70 [ 189.074879] ? __lock_acquire+0x7ec/0x4ec0 [ 189.079110] ? __lock_acquire+0x7ec/0x4ec0 [ 189.083333] ? mark_held_locks+0x130/0x130 [ 189.087552] ? __lock_acquire+0x7ec/0x4ec0 [ 189.091820] ? __switch_to_asm+0x34/0x70 [ 189.095889] ? __switch_to_asm+0x40/0x70 [ 189.099986] ? __lock_acquire+0x7ec/0x4ec0 [ 189.104208] ? mark_held_locks+0x130/0x130 [ 189.108437] ? graph_lock+0x170/0x170 [ 189.112230] ? mark_held_locks+0x130/0x130 [ 189.116454] lock_acquire+0x1ed/0x520 [ 189.120244] ? do_io_accounting+0x1d2/0xf80 [ 189.124562] ? lock_release+0x970/0x970 [ 189.128523] ? ttwu_stat+0x5c0/0x5c0 [ 189.132222] ? print_usage_bug+0xc0/0xc0 [ 189.136272] ? do_io_accounting+0x1d2/0xf80 [ 189.140591] __mutex_lock+0x166/0x1700 [ 189.144482] ? do_io_accounting+0x1d2/0xf80 [ 189.148794] ? do_io_accounting+0x1d2/0xf80 [ 189.153112] ? mutex_trylock+0x2b0/0x2b0 [ 189.157163] ? is_bpf_text_address+0xac/0x170 [ 189.161661] ? mark_held_locks+0x130/0x130 [ 189.165907] ? mark_held_locks+0xc7/0x130 [ 189.170046] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 189.175140] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 189.180231] ? lockdep_hardirqs_on+0x421/0x5c0 [ 189.184802] ? trace_hardirqs_on+0xbd/0x310 [ 189.189119] ? kasan_check_read+0x11/0x20 [ 189.193259] ? depot_save_stack+0x292/0x470 [ 189.197570] ? trace_hardirqs_off_caller+0x300/0x300 [ 189.202664] ? kasan_check_write+0x14/0x20 [ 189.206887] ? do_raw_spin_lock+0xc1/0x200 [ 189.211139] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 189.216231] ? depot_save_stack+0x292/0x470 [ 189.220550] ? save_stack+0xa9/0xd0 [ 189.224182] ? graph_lock+0x170/0x170 [ 189.227970] ? kvmalloc_node+0x65/0xf0 [ 189.231870] ? seq_read+0x99b/0x1150 [ 189.235574] ? __vfs_read+0x117/0x9b0 [ 189.239362] ? vfs_read+0x17f/0x3c0 [ 189.242980] ? ksys_pread64+0x181/0x1b0 [ 189.246939] ? __x64_sys_pread64+0x97/0xf0 [ 189.251168] ? do_syscall_64+0x1b9/0x820 [ 189.255225] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.260606] ? graph_lock+0x170/0x170 [ 189.264412] mutex_lock_killable_nested+0x16/0x20 [ 189.269245] ? mutex_lock_killable_nested+0x16/0x20 [ 189.274271] do_io_accounting+0x1d2/0xf80 [ 189.278435] ? proc_pid_stack+0x3b0/0x3b0 [ 189.282599] ? lock_downgrade+0x900/0x900 [ 189.286741] ? check_preemption_disabled+0x48/0x200 [ 189.291760] ? rcu_softirq_qs+0x20/0x20 [ 189.295730] ? find_vpid+0xf0/0xf0 [ 189.299281] ? kasan_unpoison_shadow+0x35/0x50 [ 189.303857] proc_tgid_io_accounting+0x22/0x30 [ 189.308474] proc_single_show+0x101/0x190 [ 189.312635] seq_read+0x4af/0x1150 [ 189.316191] __vfs_read+0x117/0x9b0 [ 189.319838] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 189.324765] ? seq_dentry+0x2e0/0x2e0 [ 189.328563] ? vfs_copy_file_range+0xb90/0xb90 [ 189.333139] ? fsnotify+0xf50/0xf50 [ 189.336763] ? security_file_permission+0x1c2/0x230 [ 189.341777] ? rw_verify_area+0x118/0x360 [ 189.345917] vfs_read+0x17f/0x3c0 [ 189.349365] ksys_pread64+0x181/0x1b0 [ 189.353190] ? __ia32_sys_write+0xb0/0xb0 [ 189.357356] ? filp_open+0x80/0x80 [ 189.360892] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.366256] ? trace_hardirqs_off_caller+0x300/0x300 [ 189.371355] __x64_sys_pread64+0x97/0xf0 [ 189.375420] do_syscall_64+0x1b9/0x820 [ 189.379302] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 189.384663] ? syscall_return_slowpath+0x5e0/0x5e0 [ 189.389585] ? trace_hardirqs_off+0x310/0x310 [ 189.394107] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 189.399125] ? recalc_sigpending_tsk+0x180/0x180 [ 189.403877] ? kasan_check_write+0x14/0x20 [ 189.408132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.412967] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.418144] RIP: 0033:0x457679 [ 189.421325] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 189.440220] RSP: 002b:00007f66714ecc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000011 [ 189.447962] RAX: ffffffffffffffda RBX: 00007f66714ed6d4 RCX: 0000000000457679 2018/09/22 19:37:33 executed programs: 3609 [ 189.455236] RDX: 0000000000000000 RSI: 00000000200012c0 RDI: 0000000000000006 [ 189.462506] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 189.469768] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 189.477029] R13: 00000000004d4860 R14: 00000000004c30c2 R15: 0000000000000000 [ 189.492159] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 189.499019] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 189.509284] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 189.516078] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 189.604939] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 189.612033] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 189.651311] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 189.676991] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 189.699556] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 189.707901] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 189.717954] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 189.725307] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 189.736188] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 189.743409] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 189.760326] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 189.766924] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 189.779147] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 189.785691] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 189.801112] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 189.815359] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 189.829751] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 189.836620] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 189.847139] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 189.856526] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 189.867811] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 189.876015] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 189.892549] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 189.899241] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 189.910087] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 189.927866] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 189.938471] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 189.945960] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 189.963469] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 189.970801] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 189.988475] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 190.003597] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 190.016014] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.022673] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.033171] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 190.041822] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 190.056802] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.067650] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.085193] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 190.091868] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 190.104368] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 190.114046] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 190.129995] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.143720] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.158087] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.164604] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.175710] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 190.182280] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 190.192588] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 190.202957] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 190.220908] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.227435] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.241111] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.247838] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.259780] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 190.269122] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 190.283865] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 190.292645] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 190.303038] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 190.315514] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 190.325576] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.332476] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.342594] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.352034] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.362757] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 190.369249] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 190.385140] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 190.393949] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 190.403946] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 190.410429] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 190.420368] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.436527] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.446704] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.453160] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.463149] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 190.469626] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 190.479378] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 190.489750] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 190.499747] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 190.507182] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 190.530625] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.537216] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.547051] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.553474] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.563874] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 190.570353] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 190.584739] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 190.591254] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 190.601172] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 190.609836] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 190.625849] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.632424] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.642374] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.648836] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.659674] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 190.668727] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 190.678975] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 190.686021] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 190.696423] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.702914] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.727976] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.734525] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.744582] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 190.751131] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 190.761092] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 190.767543] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 190.784214] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 190.790821] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 190.805519] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.813963] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.829639] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.836797] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.846707] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 190.853710] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 190.863621] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 190.870108] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 190.886775] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 190.893306] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.915140] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 190.922060] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 190.932213] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 190.938725] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 190.948601] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 190.955080] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.969122] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 190.975678] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 190.990201] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 191.007682] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.024373] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 191.030985] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 191.040921] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 191.047400] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 191.057483] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 191.063969] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 191.074385] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 191.080964] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 191.104576] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 191.111114] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 191.120978] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 191.127483] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.137216] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 191.143632] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 191.158183] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 191.164669] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 191.174631] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 191.192533] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.203796] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 191.210458] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 191.220464] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 191.226914] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 191.236867] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 191.247408] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 191.260448] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 191.277781] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 191.290879] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 191.297582] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.307566] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 191.313985] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 191.327982] kobject: 'loop0' (00000000b789a82c): kobject_uevent_env [ 191.334485] kobject: 'loop0' (00000000b789a82c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 191.348797] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 191.355551] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 191.373248] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 191.380704] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 191.394227] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 191.400726] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.410636] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 191.417740] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 191.439154] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 191.448752] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 191.469553] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 191.476316] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.486334] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 191.492842] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 191.502771] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 191.509252] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 191.524605] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 191.531337] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.541986] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 191.549031] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 191.571937] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 191.578487] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 191.588415] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 191.594839] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 191.604833] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 191.611317] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 191.628851] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 191.637843] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.659624] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 191.666153] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 191.676227] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 191.682653] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 191.692544] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 191.699021] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 191.716521] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 191.723661] kobject: 'loop4' (00000000810b8e82): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 191.737418] kobject: 'loop3' (0000000089d46165): kobject_uevent_env [ 191.748059] kobject: 'loop3' (0000000089d46165): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 191.759887] kobject: 'loop5' (00000000b254fcbc): kobject_uevent_env [ 191.766434] kobject: 'loop5' (00000000b254fcbc): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.776351] kobject: 'loop1' (0000000070c37eaa): kobject_uevent_env [ 191.782811] kobject: 'loop1' (0000000070c37eaa): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 191.792820] kobject: 'loop2' (00000000f08302f2): kobject_uevent_env [ 191.801674] kobject: 'loop2' (00000000f08302f2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 191.815115] kobject: 'loop4' (00000000810b8e82): kobject_uevent_env [ 191.825396] kobject: 'loop4' (00000000810b8e82): f