====================================================== WARNING: possible circular locking dependency detected 4.19.0-rc7+ #283 Not tainted ------------------------------------------------------ syz-executor0/13967 is trying to acquire lock: 0000000099cdf139 (event_mutex){+.+.}, at: perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:236 but task is already holding lock: 0000000072df7218 (&mm->mmap_sem){++++}, at: __do_sys_mremap mm/mremap.c:552 [inline] 0000000072df7218 (&mm->mmap_sem){++++}, at: __se_sys_mremap mm/mremap.c:519 [inline] 0000000072df7218 (&mm->mmap_sem){++++}, at: __x64_sys_mremap+0x3af/0xcd0 mm/mremap.c:519 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&mm->mmap_sem){++++}: down_write_killable+0x8d/0x150 kernel/locking/rwsem.c:84 dup_mmap kernel/fork.c:431 [inline] dup_mm kernel/fork.c:1274 [inline] copy_mm kernel/fork.c:1329 [inline] copy_process+0x3648/0x8780 kernel/fork.c:1869 _do_fork+0x1cb/0x11d0 kernel/fork.c:2166 __do_sys_clone kernel/fork.c:2273 [inline] __se_sys_clone kernel/fork.c:2267 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2267 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #2 (&dup_mmap_sem){++++}: down_write+0x8a/0x130 kernel/locking/rwsem.c:70 percpu_down_write+0xaf/0x540 kernel/locking/percpu-rwsem.c:145 register_for_each_vma+0xa0/0xee0 kernel/events/uprobes.c:797 __uprobe_register kernel/events/uprobes.c:926 [inline] uprobe_register+0x47c/0x7c0 kernel/events/uprobes.c:941 probe_event_enable+0x5f5/0xf30 kernel/trace/trace_uprobe.c:908 trace_uprobe_register+0x4c9/0xcf0 kernel/trace/trace_uprobe.c:1193 perf_trace_event_reg kernel/trace/trace_event_perf.c:124 [inline] perf_trace_event_init+0x50b/0x990 kernel/trace/trace_event_perf.c:199 perf_uprobe_init+0x1e5/0x280 kernel/trace/trace_event_perf.c:328 kobject: 'kvm' (000000007a096607): kobject_uevent_env perf_uprobe_event_init+0xff/0x190 kernel/events/core.c:8474 perf_try_init_event+0x137/0x2f0 kernel/events/core.c:9741 perf_init_event kernel/events/core.c:9772 [inline] perf_event_alloc.part.93+0x23e6/0x35f0 kernel/events/core.c:10045 kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' perf_event_alloc kernel/events/core.c:10401 [inline] __do_sys_perf_event_open+0xa9c/0x2f30 kernel/events/core.c:10502 __se_sys_perf_event_open kernel/events/core.c:10391 [inline] __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10391 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (&uprobe->register_rwsem){+.+.}: down_write+0x8a/0x130 kernel/locking/rwsem.c:70 __uprobe_register kernel/events/uprobes.c:922 [inline] uprobe_register+0x3dd/0x7c0 kernel/events/uprobes.c:941 kobject: 'kvm' (000000007a096607): kobject_uevent_env probe_event_enable+0x5f5/0xf30 kernel/trace/trace_uprobe.c:908 trace_uprobe_register+0x4c9/0xcf0 kernel/trace/trace_uprobe.c:1193 perf_trace_event_reg kernel/trace/trace_event_perf.c:124 [inline] perf_trace_event_init+0x50b/0x990 kernel/trace/trace_event_perf.c:199 perf_uprobe_init+0x1e5/0x280 kernel/trace/trace_event_perf.c:328 kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' perf_uprobe_event_init+0xff/0x190 kernel/events/core.c:8474 perf_try_init_event+0x137/0x2f0 kernel/events/core.c:9741 perf_init_event kernel/events/core.c:9772 [inline] perf_event_alloc.part.93+0x23e6/0x35f0 kernel/events/core.c:10045 perf_event_alloc kernel/events/core.c:10401 [inline] __do_sys_perf_event_open+0xa9c/0x2f30 kernel/events/core.c:10502 __se_sys_perf_event_open kernel/events/core.c:10391 [inline] __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10391 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (event_mutex){+.+.}: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3900 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:236 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:8336 _free_event+0x414/0x1610 kernel/events/core.c:4446 put_event+0x48/0x60 kernel/events/core.c:4532 perf_mmap_close+0x62f/0x1220 kernel/events/core.c:5515 remove_vma+0xb1/0x180 mm/mmap.c:181 remove_vma_list mm/mmap.c:2550 [inline] do_munmap+0x72d/0xf50 mm/mmap.c:2786 mremap_to+0x2e2/0x750 mm/mremap.c:461 __do_sys_mremap mm/mremap.c:556 [inline] __se_sys_mremap mm/mremap.c:519 [inline] __x64_sys_mremap+0xa85/0xcd0 mm/mremap.c:519 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: event_mutex --> &dup_mmap_sem --> &mm->mmap_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_sem); lock(&dup_mmap_sem); lock(&mm->mmap_sem); lock(event_mutex); *** DEADLOCK *** 1 lock held by syz-executor0/13967: #0: 0000000072df7218 (&mm->mmap_sem){++++}, at: __do_sys_mremap mm/mremap.c:552 [inline] #0: 0000000072df7218 (&mm->mmap_sem){++++}, at: __se_sys_mremap mm/mremap.c:519 [inline] #0: 0000000072df7218 (&mm->mmap_sem){++++}, at: __x64_sys_mremap+0x3af/0xcd0 mm/mremap.c:519 stack backtrace: CPU: 0 PID: 13967 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #283 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+0x1c4/0x2b4 lib/dump_stack.c:113 print_circular_bug.isra.33.cold.54+0x1bd/0x27d kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x33e4/0x4ec0 kernel/locking/lockdep.c:3411 lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3900 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:236 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:8336 _free_event+0x414/0x1610 kernel/events/core.c:4446 put_event+0x48/0x60 kernel/events/core.c:4532 perf_mmap_close+0x62f/0x1220 kernel/events/core.c:5515 remove_vma+0xb1/0x180 mm/mmap.c:181 remove_vma_list mm/mmap.c:2550 [inline] do_munmap+0x72d/0xf50 mm/mmap.c:2786 mremap_to+0x2e2/0x750 mm/mremap.c:461 __do_sys_mremap mm/mremap.c:556 [inline] __se_sys_mremap mm/mremap.c:519 [inline] __x64_sys_mremap+0xa85/0xcd0 mm/mremap.c:519 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc6605bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569 RDX: 0000000000800000 RSI: 0000000000002000 RDI: 000000002079c000 RBP: 000000000072bf00 R08: 00000000207fb000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007fc6605bd6d4 R13: 00000000004c2976 R14: 00000000004d3e40 R15: 00000000ffffffff kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nullb0' (00000000d9261bc0): kobject_uevent_env kobject: 'nullb0' (00000000d9261bc0): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nullb0' (00000000d9261bc0): kobject_uevent_env kobject: 'nullb0' (00000000d9261bc0): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-12' (00000000350a939e): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '9p-12' (00000000350a939e): kobject_uevent_env kobject: '9p-12' (00000000350a939e): fill_kobj_path: path = '/devices/virtual/bdi/9p-12' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-12' (00000000350a939e): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '9p-12' (00000000350a939e): fill_kobj_path: path = '/devices/virtual/bdi/9p-12' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-12' (00000000350a939e): kobject_cleanup, parent (null) kobject: '9p-12' (00000000350a939e): calling ktype release kobject: '9p-12': free name kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-13' (00000000bb0c78e3): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-13' (00000000bb0c78e3): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-13' (00000000bb0c78e3): fill_kobj_path: path = '/devices/virtual/bdi/9p-13' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-13' (00000000bb0c78e3): kobject_uevent_env kobject: '9p-13' (00000000bb0c78e3): fill_kobj_path: path = '/devices/virtual/bdi/9p-13' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '9p-13' (00000000bb0c78e3): kobject_cleanup, parent (null) kobject: '9p-13' (00000000bb0c78e3): calling ktype release kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-13': free name kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-14' (00000000da491f24): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: '9p-14' (00000000da491f24): kobject_uevent_env kobject: '9p-14' (00000000da491f24): fill_kobj_path: path = '/devices/virtual/bdi/9p-14' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-14' (00000000da491f24): kobject_uevent_env kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '9p-15' (00000000e3fca60c): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: '9p-14' (00000000da491f24): fill_kobj_path: path = '/devices/virtual/bdi/9p-14' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-14' (00000000da491f24): kobject_cleanup, parent (null) kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-14' (00000000da491f24): calling ktype release kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-15' (00000000e3fca60c): kobject_uevent_env kobject: '9p-15' (00000000e3fca60c): fill_kobj_path: path = '/devices/virtual/bdi/9p-15' kobject: '9p-14': free name kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-16' (000000009ecbd234): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-16' (000000009ecbd234): kobject_uevent_env kobject: '9p-16' (000000009ecbd234): fill_kobj_path: path = '/devices/virtual/bdi/9p-16' kobject: '9p-15' (00000000e3fca60c): kobject_uevent_env kobject: '9p-15' (00000000e3fca60c): fill_kobj_path: path = '/devices/virtual/bdi/9p-15' kobject: '9p-15' (00000000e3fca60c): kobject_cleanup, parent (null) kobject: '9p-15' (00000000e3fca60c): calling ktype release kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: '9p-15': free name kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-17' (0000000072866031): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-17' (0000000072866031): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-17' (0000000072866031): fill_kobj_path: path = '/devices/virtual/bdi/9p-17' kobject: '9p-16' (000000009ecbd234): kobject_uevent_env kobject: '9p-16' (000000009ecbd234): fill_kobj_path: path = '/devices/virtual/bdi/9p-16' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-16' (000000009ecbd234): kobject_cleanup, parent (null) kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-16' (000000009ecbd234): calling ktype release kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-16': free name kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-18' (00000000a4abc483): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '9p-18' (00000000a4abc483): kobject_uevent_env kobject: '9p-18' (00000000a4abc483): fill_kobj_path: path = '/devices/virtual/bdi/9p-18' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-17' (0000000072866031): kobject_uevent_env kobject: '9p-17' (0000000072866031): fill_kobj_path: path = '/devices/virtual/bdi/9p-17' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-17' (0000000072866031): kobject_cleanup, parent (null) kobject: '9p-17' (0000000072866031): calling ktype release kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-17': free name kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-19' (00000000ad93428a): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-19' (00000000ad93428a): kobject_uevent_env kobject: '9p-18' (00000000a4abc483): kobject_uevent_env kobject: '9p-19' (00000000ad93428a): fill_kobj_path: path = '/devices/virtual/bdi/9p-19' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-18' (00000000a4abc483): fill_kobj_path: path = '/devices/virtual/bdi/9p-18' kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-18' (00000000a4abc483): kobject_cleanup, parent (null) kobject: '9p-18' (00000000a4abc483): calling ktype release kobject: '9p-18': free name kobject: '9p-19' (00000000ad93428a): kobject_uevent_env kobject: '9p-19' (00000000ad93428a): fill_kobj_path: path = '/devices/virtual/bdi/9p-19' kobject: '9p-20' (000000002c37d4d2): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: '9p-19' (00000000ad93428a): kobject_cleanup, parent (null) kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '9p-19' (00000000ad93428a): calling ktype release kobject: '9p-19': free name kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-20' (000000002c37d4d2): kobject_uevent_env kobject: '9p-20' (000000002c37d4d2): fill_kobj_path: path = '/devices/virtual/bdi/9p-20' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: '9p-21' (00000000230e57d1): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-21' (00000000230e57d1): kobject_uevent_env kobject: '9p-21' (00000000230e57d1): fill_kobj_path: path = '/devices/virtual/bdi/9p-21' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-20' (000000002c37d4d2): kobject_uevent_env kobject: '9p-20' (000000002c37d4d2): fill_kobj_path: path = '/devices/virtual/bdi/9p-20' kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-20' (000000002c37d4d2): kobject_cleanup, parent (null) kobject: '9p-20' (000000002c37d4d2): calling ktype release kobject: '9p-20': free name kobject: '9p-21' (00000000230e57d1): kobject_uevent_env kobject: '9p-21' (00000000230e57d1): fill_kobj_path: path = '/devices/virtual/bdi/9p-21' kobject: '9p-21' (00000000230e57d1): kobject_cleanup, parent (null) kobject: '9p-21' (00000000230e57d1): calling ktype release kobject: '9p-21': free name kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-22' (00000000812a4b26): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '9p-22' (00000000812a4b26): kobject_uevent_env kobject: '9p-23' (00000000ab95a03e): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: '9p-22' (00000000812a4b26): fill_kobj_path: path = '/devices/virtual/bdi/9p-22' kobject: '9p-23' (00000000ab95a03e): kobject_uevent_env kobject: '9p-23' (00000000ab95a03e): fill_kobj_path: path = '/devices/virtual/bdi/9p-23' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-22' (00000000812a4b26): kobject_uevent_env kobject: '9p-23' (00000000ab95a03e): kobject_uevent_env kobject: '9p-22' (00000000812a4b26): fill_kobj_path: path = '/devices/virtual/bdi/9p-22' kobject: '9p-23' (00000000ab95a03e): fill_kobj_path: path = '/devices/virtual/bdi/9p-23' kobject: '9p-22' (00000000812a4b26): kobject_cleanup, parent (null) kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: '9p-23' (00000000ab95a03e): kobject_cleanup, parent (null) kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-22' (00000000812a4b26): calling ktype release kobject: '9p-23' (00000000ab95a03e): calling ktype release kobject: '9p-22': free name kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-23': free name kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e8eb635c): kobject_uevent_env kobject: '9p-24' (00000000b0f341f3): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop1' (00000000e8eb635c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '9p-25' (0000000042d3fedc): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: '9p-24' (00000000b0f341f3): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: '9p-24' (00000000b0f341f3): fill_kobj_path: path = '/devices/virtual/bdi/9p-24' kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-25' (0000000042d3fedc): kobject_uevent_env kobject: '9p-25' (0000000042d3fedc): fill_kobj_path: path = '/devices/virtual/bdi/9p-25' kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (000000007a096607): kobject_uevent_env kobject: 'loop4' (00000000092df288): kobject_uevent_env kobject: 'loop4' (00000000092df288): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '9p-24' (00000000b0f341f3): kobject_uevent_env kobject: 'kvm' (000000007a096607): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-24' (00000000b0f341f3): fill_kobj_path: path = '/devices/virtual/bdi/9p-24' kobject: '9p-24' (00000000b0f341f3): kobject_cleanup, parent (null) kobject: 'loop0' (00000000bba0101d): kobject_uevent_env kobject: '9p-24' (00000000b0f341f3): calling ktype release kobject: '9p-25' (0000000042d3fedc): kobject_uevent_env kobject: '9p-25' (0000000042d3fedc): fill_kobj_path: path = '/devices/virtual/bdi/9p-25' kobject: '9p-24': free name kobject: 'loop0' (00000000bba0101d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '9p-25' (0000000042d3fedc): kobject_cleanup, parent (null) kobject: 'kvm' (000000007a096607): kobject_uevent_env