====================================================== WARNING: possible circular locking dependency detected kobject: 'kvm' (000000009df220de): kobject_uevent_env 4.20.0+ #12 Not tainted ------------------------------------------------------ syz-executor5/30550 is trying to acquire lock: 00000000531dd637 (&sig->cred_guard_mutex){+.+.}, at: do_io_accounting+0x1d1/0xfe0 fs/proc/base.c:2711 but task is already holding lock: 00000000d639abe3 (&p->lock){+.+.}, at: seq_lseek+0x5b/0x3e0 fs/seq_file.c:315 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&p->lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x12f/0x1670 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 seq_read+0x71/0x1130 fs/seq_file.c:161 kobject: 'kvm' (000000009df220de): kobject_uevent_env do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x4a9/0x660 fs/read_write.c:921 vfs_readv+0x175/0x1c0 fs/read_write.c:983 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x50c/0xac0 fs/splice.c:417 do_splice_to+0x12a/0x190 fs/splice.c:880 splice_direct_to_actor+0x31b/0x9d0 fs/splice.c:957 do_splice_direct+0x2c7/0x420 fs/splice.c:1066 do_sendfile+0x61a/0xe60 fs/read_write.c:1436 __do_sys_sendfile64 fs/read_write.c:1491 [inline] __se_sys_sendfile64 fs/read_write.c:1483 [inline] __x64_sys_sendfile64+0x15a/0x240 fs/read_write.c:1483 kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' -> #2 (sb_writers#3){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x20b/0x360 fs/super.c:1389 sb_start_write include/linux/fs.h:1602 [inline] mnt_want_write+0x3f/0xc0 fs/namespace.c:357 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:24 ovl_create_object+0x146/0x3b0 fs/overlayfs/dir.c:599 ovl_create+0x28/0x30 fs/overlayfs/dir.c:630 lookup_open+0x1332/0x1b80 fs/namei.c:3234 do_last fs/namei.c:3324 [inline] path_openat+0x1983/0x5650 fs/namei.c:3534 kobject: 'kvm' (000000009df220de): kobject_uevent_env do_filp_open+0x26f/0x370 fs/namei.c:3564 do_sys_open+0x59a/0x7c0 fs/open.c:1063 ksys_open include/linux/syscalls.h:1298 [inline] __do_sys_creat fs/open.c:1121 [inline] __se_sys_creat fs/open.c:1119 [inline] __x64_sys_creat+0x61/0x80 fs/open.c:1119 kobject: 'loop3' (000000007b02da42): kobject_uevent_env do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (&ovl_i_mutex_dir_key[depth]){++++}: kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' down_read+0x8d/0x120 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:767 [inline] do_last fs/namei.c:3323 [inline] path_openat+0x25e1/0x5650 fs/namei.c:3534 do_filp_open+0x26f/0x370 fs/namei.c:3564 do_open_execat+0x20e/0x930 fs/exec.c:856 kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' __do_execve_file.isra.0+0x1966/0x2700 fs/exec.c:1758 do_execveat_common fs/exec.c:1865 [inline] do_execveat fs/exec.c:1893 [inline] __do_sys_execveat fs/exec.c:1974 [inline] __se_sys_execveat fs/exec.c:1966 [inline] __x64_sys_execveat+0xed/0x130 fs/exec.c:1966 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'kvm' (000000009df220de): kobject_uevent_env -> #0 (&sig->cred_guard_mutex){+.+.}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x12f/0x1670 kernel/locking/mutex.c:1072 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 do_io_accounting+0x1d1/0xfe0 fs/proc/base.c:2711 proc_tgid_io_accounting+0x23/0x30 fs/proc/base.c:2760 proc_single_show+0xf6/0x180 fs/proc/base.c:739 kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' traverse fs/seq_file.c:113 [inline] traverse+0x1d6/0x760 fs/seq_file.c:91 kobject: 'kvm' (000000009df220de): kobject_uevent_env seq_lseek+0x168/0x3e0 fs/seq_file.c:325 kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' vfs_llseek fs/read_write.c:300 [inline] ksys_lseek+0x118/0x1b0 fs/read_write.c:313 __do_sys_lseek fs/read_write.c:324 [inline] __se_sys_lseek fs/read_write.c:322 [inline] __x64_sys_lseek+0x73/0xb0 fs/read_write.c:322 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &sig->cred_guard_mutex --> sb_writers#3 --> &p->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&p->lock); lock(sb_writers#3); lock(&p->lock); lock(&sig->cred_guard_mutex); *** DEADLOCK *** 2 locks held by syz-executor5/30550: #0: 000000008c5f64fe (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1b3/0x1f0 fs/file.c:795 #1: 00000000d639abe3 (&p->lock){+.+.}, at: seq_lseek+0x5b/0x3e0 fs/seq_file.c:315 stack backtrace: CPU: 1 PID: 30550 Comm: syz-executor5 Not tainted 4.20.0+ #12 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x12f/0x1670 kernel/locking/mutex.c:1072 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 do_io_accounting+0x1d1/0xfe0 fs/proc/base.c:2711 proc_tgid_io_accounting+0x23/0x30 fs/proc/base.c:2760 proc_single_show+0xf6/0x180 fs/proc/base.c:739 traverse fs/seq_file.c:113 [inline] traverse+0x1d6/0x760 fs/seq_file.c:91 seq_lseek+0x168/0x3e0 fs/seq_file.c:325 vfs_llseek fs/read_write.c:300 [inline] ksys_lseek+0x118/0x1b0 fs/read_write.c:313 __do_sys_lseek fs/read_write.c:324 [inline] __se_sys_lseek fs/read_write.c:322 [inline] __x64_sys_lseek+0x73/0xb0 fs/read_write.c:322 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f31e6421c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000003 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f31e64226d4 R13: 00000000004c3a28 R14: 00000000004d6628 R15: 00000000ffffffff kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000005561e8b7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000c29fecd0): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000c29fecd0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000005561e8b7): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000c29fecd0): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop2' (00000000c29fecd0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000005561e8b7): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000005561e8b7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop2' (00000000c29fecd0): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000c29fecd0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000005561e8b7): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000005561e8b7): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000c29fecd0): kobject_uevent_env kobject: 'loop2' (00000000c29fecd0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000005561e8b7): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c29fecd0): kobject_uevent_env kobject: 'loop2' (00000000c29fecd0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000005561e8b7): kobject_uevent_env kobject: 'loop4' (000000005561e8b7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000c29fecd0): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop2' (00000000c29fecd0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b02da42): kobject_uevent_env kobject: 'loop3' (000000007b02da42): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop5' (0000000058ec39ae): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (0000000058ec39ae): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'kvm' (000000009df220de): kobject_uevent_env kobject: 'loop1' (00000000d0bda211): kobject_uevent_env kobject: 'kvm' (000000009df220de): fill_kobj_path: path = '/devices/virtual/misc/kvm'