overlayfs: './file0' not a directory Process accounting resumed ====================================================== WARNING: possible circular locking dependency detected 4.19.37 #5 Not tainted ------------------------------------------------------ syz-executor.0/18079 is trying to acquire lock: 00000000c75bb37c (&ovl_i_mutex_key[depth]#2){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] 00000000c75bb37c (&ovl_i_mutex_key[depth]#2){+.+.}, at: ovl_write_iter+0x148/0xc20 fs/overlayfs/file.c:231 but task is already holding lock: 00000000eb1af12d (&acct->lock#2){+.+.}, at: acct_pin_kill+0x27/0x100 kernel/acct.c:173 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&acct->lock#2){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 acct_pin_kill+0x27/0x100 kernel/acct.c:173 kobject: 'loop4' (0000000010b0405e): kobject_uevent_env pin_kill+0x18f/0x860 fs/fs_pin.c:50 acct_on+0x574/0x790 kernel/acct.c:254 __do_sys_acct kernel/acct.c:286 [inline] __se_sys_acct kernel/acct.c:273 [inline] __x64_sys_acct+0xae/0x200 kernel/acct.c:273 kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (sb_writers#4){.+.+}: 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:1387 sb_start_write include/linux/fs.h:1569 [inline] mnt_want_write+0x3f/0xc0 fs/namespace.c:360 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:24 ovl_setattr+0xdd/0x950 fs/overlayfs/inode.c:30 notify_change+0xad9/0xfb0 fs/attr.c:334 do_truncate+0x158/0x220 fs/open.c:63 handle_truncate fs/namei.c:3008 [inline] do_last fs/namei.c:3424 [inline] path_openat+0x2cc6/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 kobject: 'loop3' (00000000e5115123): kobject_uevent_env do_sys_open+0x3fe/0x550 fs/open.c:1069 __do_sys_openat fs/open.c:1096 [inline] __se_sys_openat fs/open.c:1090 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1090 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&ovl_i_mutex_key[depth]#2){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 down_write+0x38/0x90 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:738 [inline] ovl_write_iter+0x148/0xc20 fs/overlayfs/file.c:231 call_write_iter include/linux/fs.h:1811 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x58e/0x820 fs/read_write.c:487 kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' __kernel_write+0x110/0x390 fs/read_write.c:506 do_acct_process+0xd37/0x1150 kernel/acct.c:520 acct_pin_kill+0x2f/0x100 kernel/acct.c:174 pin_kill+0x18f/0x860 fs/fs_pin.c:50 acct_on+0x574/0x790 kernel/acct.c:254 kobject: 'loop2' (00000000057165c8): kobject_uevent_env __do_sys_acct kernel/acct.c:286 [inline] __se_sys_acct kernel/acct.c:273 [inline] __x64_sys_acct+0xae/0x200 kernel/acct.c:273 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' other info that might help us debug this: Chain exists of: &ovl_i_mutex_key[depth]#2 --> sb_writers kobject: 'loop4' (0000000010b0405e): kobject_uevent_env #4 --> kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' &acct->lock#2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&acct->lock#2); lock(sb_writers#4); lock(&acct->lock#2); lock(&ovl_i_mutex_key[depth]#2); *** DEADLOCK *** 4 locks held by syz-executor.0/18079: #0: 00000000fab630fa (acct_on_mutex){+.+.}, at: __do_sys_acct kernel/acct.c:285 [inline] #0: 00000000fab630fa (acct_on_mutex){+.+.}, at: __se_sys_acct kernel/acct.c:273 [inline] #0: 00000000fab630fa (acct_on_mutex){+.+.}, at: __x64_sys_acct+0xa6/0x200 kernel/acct.c:273 #1: 000000003bf39ef7 (sb_writers#13){.+.+}, at: sb_start_write include/linux/fs.h:1569 [inline] #1: 000000003bf39ef7 (sb_writers#13){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:360 #2: 00000000eb1af12d (&acct->lock#2){+.+.}, at: acct_pin_kill+0x27/0x100 kernel/acct.c:173 #3: 000000003bf39ef7 (sb_writers#13){.+.+}, at: file_start_write_trylock include/linux/fs.h:2771 [inline] #3: 000000003bf39ef7 (sb_writers#13){.+.+}, at: do_acct_process+0xf37/0x1150 kernel/acct.c:517 stack backtrace: CPU: 1 PID: 18079 Comm: syz-executor.0 Not tainted 4.19.37 #5 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+0x172/0x1f0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f 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+0x2e6d/0x48f0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 down_write+0x38/0x90 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:738 [inline] ovl_write_iter+0x148/0xc20 fs/overlayfs/file.c:231 call_write_iter include/linux/fs.h:1811 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x58e/0x820 fs/read_write.c:487 __kernel_write+0x110/0x390 fs/read_write.c:506 do_acct_process+0xd37/0x1150 kernel/acct.c:520 acct_pin_kill+0x2f/0x100 kernel/acct.c:174 pin_kill+0x18f/0x860 fs/fs_pin.c:50 acct_on+0x574/0x790 kernel/acct.c:254 __do_sys_acct kernel/acct.c:286 [inline] __se_sys_acct kernel/acct.c:273 [inline] __x64_sys_acct+0xae/0x200 kernel/acct.c:273 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f101a695c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f101a6966d4 R13: 00000000004becd2 R14: 00000000004cfa50 R15: 00000000ffffffff audit: type=1400 audit(1556502348.509:139): avc: denied { setattr } for pid=18109 comm="syz-executor.4" name="coredump_filter" dev="proc" ino=63829 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=file permissive=1 Process accounting resumed kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'cfptm0' (00000000be6ffbf4): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'cfptm0' (00000000be6ffbf4): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'cfptm0' (00000000be6ffbf4): fill_kobj_path: path = '/devices/virtual/net/cfptm0' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'queues' (00000000bd4cedf4): kobject_add_internal: parent: 'cfptm0', set: '' kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (00000000bd4cedf4): kobject_uevent_env kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'queues' (00000000bd4cedf4): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (00000000cd742dcd): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'rx-0' (00000000cd742dcd): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (00000000cd742dcd): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/rx-0' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'tx-0' (0000000012c59120): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (0000000012c59120): kobject_uevent_env kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'tx-0' (0000000012c59120): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/tx-0' kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'rx-0' (00000000cd742dcd): kobject_cleanup, parent 00000000bd4cedf4 kobject: 'rx-0' (00000000cd742dcd): auto cleanup 'remove' event kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000cd742dcd): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'rx-0' (00000000cd742dcd): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/rx-0' kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000cd742dcd): auto cleanup kobject_del kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'rx-0' (00000000cd742dcd): calling ktype release kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0': free name kobject: 'tx-0' (0000000012c59120): kobject_cleanup, parent 00000000bd4cedf4 kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'tx-0' (0000000012c59120): auto cleanup 'remove' event kobject: 'tx-0' (0000000012c59120): kobject_uevent_env kobject: 'tx-0' (0000000012c59120): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/tx-0' kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (0000000012c59120): auto cleanup kobject_del kobject: 'tx-0' (0000000012c59120): calling ktype release kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'tx-0': free name kobject: 'queues' (00000000bd4cedf4): kobject_cleanup, parent (null) kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (00000000bd4cedf4): calling ktype release kobject: 'queues' (00000000bd4cedf4): kset_release kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'queues': free name kobject: 'cfptm0' (00000000be6ffbf4): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'cfptm0' (00000000be6ffbf4): fill_kobj_path: path = '/devices/virtual/net/cfptm0' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'cfptm0' (0000000004dc8939): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'cfptm0' (0000000004dc8939): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'cfptm0' (0000000004dc8939): fill_kobj_path: path = '/devices/virtual/net/cfptm0' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (000000005d50a2c8): kobject_add_internal: parent: 'cfptm0', set: '' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (000000005d50a2c8): kobject_uevent_env kobject: 'queues' (000000005d50a2c8): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'rx-0' (00000000da53bf56): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'rx-0' (00000000da53bf56): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000da53bf56): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/rx-0' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'tx-0' (00000000b80f4b42): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (00000000b80f4b42): kobject_uevent_env kobject: 'tx-0' (00000000b80f4b42): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/tx-0' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'cfptm0' (00000000be6ffbf4): kobject_cleanup, parent (null) kobject: 'cfptm0' (00000000be6ffbf4): calling ktype release kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'cfptm0': free name kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000da53bf56): kobject_cleanup, parent 000000005d50a2c8 kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'rx-0' (00000000da53bf56): auto cleanup 'remove' event kobject: 'rx-0' (00000000da53bf56): kobject_uevent_env kobject: 'rx-0' (00000000da53bf56): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/rx-0' kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (00000000da53bf56): auto cleanup kobject_del kobject: 'rx-0' (00000000da53bf56): calling ktype release kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0': free name kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'tx-0' (00000000b80f4b42): kobject_cleanup, parent 000000005d50a2c8 kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000b80f4b42): auto cleanup 'remove' event kobject: 'tx-0' (00000000b80f4b42): kobject_uevent_env kobject: 'tx-0' (00000000b80f4b42): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/tx-0' kobject: 'tx-0' (00000000b80f4b42): auto cleanup kobject_del kobject: 'tx-0' (00000000b80f4b42): calling ktype release kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'tx-0': free name kobject: 'queues' (000000005d50a2c8): kobject_cleanup, parent (null) kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (000000005d50a2c8): calling ktype release kobject: 'queues' (000000005d50a2c8): kset_release kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues': free name kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'cfptm0' (0000000004dc8939): kobject_uevent_env kobject: 'cfptm0' (0000000004dc8939): fill_kobj_path: path = '/devices/virtual/net/cfptm0' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'cfptm0' (00000000ab15cfdc): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'cfptm0' (00000000ab15cfdc): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'cfptm0' (00000000ab15cfdc): fill_kobj_path: path = '/devices/virtual/net/cfptm0' kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (0000000039aeb580): kobject_add_internal: parent: 'cfptm0', set: '' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'queues' (0000000039aeb580): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (0000000039aeb580): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'rx-0' (000000007c6c2319): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000007c6c2319): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000007c6c2319): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/rx-0' kobject: 'tx-0' (00000000d93fb4ad): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000d93fb4ad): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000d93fb4ad): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/tx-0' kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'cfptm0' (0000000004dc8939): kobject_cleanup, parent (null) kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'cfptm0' (0000000004dc8939): calling ktype release kobject: 'cfptm0': free name kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'rx-0' (000000007c6c2319): kobject_cleanup, parent 0000000039aeb580 kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000007c6c2319): auto cleanup 'remove' event kobject: 'rx-0' (000000007c6c2319): kobject_uevent_env kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000007c6c2319): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/rx-0' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (000000007c6c2319): auto cleanup kobject_del kobject: 'rx-0' (000000007c6c2319): calling ktype release kobject: 'rx-0': free name kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'tx-0' (00000000d93fb4ad): kobject_cleanup, parent 0000000039aeb580 kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000d93fb4ad): auto cleanup 'remove' event kobject: 'tx-0' (00000000d93fb4ad): kobject_uevent_env kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'tx-0' (00000000d93fb4ad): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/tx-0' kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (00000000d93fb4ad): auto cleanup kobject_del kobject: 'tx-0' (00000000d93fb4ad): calling ktype release kobject: 'tx-0': free name kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (0000000039aeb580): kobject_cleanup, parent (null) kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'queues' (0000000039aeb580): calling ktype release kobject: 'queues' (0000000039aeb580): kset_release kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues': free name kobject: 'cfptm0' (00000000ab15cfdc): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'cfptm0' (00000000ab15cfdc): fill_kobj_path: path = '/devices/virtual/net/cfptm0' kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'cfptm0' (00000000bbb02367): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'cfptm0' (00000000bbb02367): kobject_uevent_env kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'cfptm0' (00000000bbb02367): fill_kobj_path: path = '/devices/virtual/net/cfptm0' kobject: 'queues' (00000000ad598370): kobject_add_internal: parent: 'cfptm0', set: '' kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (00000000ad598370): kobject_uevent_env kobject: 'queues' (00000000ad598370): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000008f3498f6): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000008f3498f6): kobject_uevent_env kobject: 'rx-0' (000000008f3498f6): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/rx-0' kobject: 'tx-0' (0000000011e573c7): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (0000000011e573c7): kobject_uevent_env kobject: 'tx-0' (0000000011e573c7): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/tx-0' kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'cfptm0' (00000000ab15cfdc): kobject_cleanup, parent (null) kobject: 'cfptm0' (00000000ab15cfdc): calling ktype release kobject: 'cfptm0': free name kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (000000008f3498f6): kobject_cleanup, parent 00000000ad598370 kobject: 'rx-0' (000000008f3498f6): auto cleanup 'remove' event kobject: 'rx-0' (000000008f3498f6): kobject_uevent_env kobject: 'rx-0' (000000008f3498f6): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/rx-0' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000008f3498f6): auto cleanup kobject_del kobject: 'rx-0' (000000008f3498f6): calling ktype release kobject: 'rx-0': free name kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (0000000011e573c7): kobject_cleanup, parent 00000000ad598370 kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'tx-0' (0000000011e573c7): auto cleanup 'remove' event kobject: 'tx-0' (0000000011e573c7): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (0000000011e573c7): fill_kobj_path: path = '/devices/virtual/net/cfptm0/queues/tx-0' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (0000000011e573c7): auto cleanup kobject_del kobject: 'tx-0' (0000000011e573c7): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ad598370): kobject_cleanup, parent (null) kobject: 'queues' (00000000ad598370): calling ktype release kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (00000000ad598370): kset_release kobject: 'queues': free name kobject: 'cfptm0' (00000000bbb02367): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'cfptm0' (00000000bbb02367): fill_kobj_path: path = '/devices/virtual/net/cfptm0' kobject: 'cfptm0' (00000000bbb02367): kobject_cleanup, parent (null) kobject: 'cfptm0' (00000000bbb02367): calling ktype release kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'cfptm0': free name kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000272bbb2e): kobject_uevent_env kobject: 'kvm' (00000000272bbb2e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000d7a6f107): kobject_uevent_env kobject: 'loop0' (00000000d7a6f107): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000c933ca1a): kobject_uevent_env kobject: 'loop1' (00000000c933ca1a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000010b0405e): kobject_uevent_env kobject: 'loop4' (0000000010b0405e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e5115123): kobject_uevent_env kobject: 'loop3' (00000000e5115123): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000057165c8): kobject_uevent_env kobject: 'loop2' (00000000057165c8): fill_kobj_path: path = '/devices/virtual/block/loop2'