Hello,
syzbot found the following crash on:
HEAD commit: 19bb613a Linux 4.19.37
git tree: linux-4.19.y
console output:
https://syzkaller.appspot.com/x/log.txt?x=13bd9834a00000
kernel config:
https://syzkaller.appspot.com/x/.config?x=2f4f1677ff80cdff
dashboard link:
https://syzkaller.appspot.com/bug?extid=3ba4d0b4c16b6e785b6b
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by:
syzbot+3ba4d0...@syzkaller.appspotmail.com
WARNING: possible circular locking dependency detected
4.19.37 #5 Not tainted
------------------------------------------------------
syz-executor.4/30423 is trying to acquire lock:
000000006a18f903 (&sig->cred_guard_mutex){+.+.}, at: lock_trace+0x4a/0xe0
fs/proc/base.c:384
but task is already holding lock:
00000000338a25a6 (&p->lock){+.+.}, at: seq_read+0x71/0x1130
fs/seq_file.c:161
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+0xf7/0x1300 kernel/locking/mutex.c:1072
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
seq_read+0x71/0x1130 fs/seq_file.c:161
kernfs_fop_read+0xed/0x560 fs/kernfs/file.c:252
do_loop_readv_writev fs/read_write.c:700 [inline]
do_loop_readv_writev fs/read_write.c:687 [inline]
do_iter_read+0x495/0x650 fs/read_write.c:924
vfs_readv+0xf0/0x160 fs/read_write.c:986
kernel_readv fs/splice.c:362 [inline]
default_file_splice_read+0x478/0x890 fs/splice.c:417
do_splice_to+0x12a/0x190 fs/splice.c:881
splice_direct_to_actor+0x256/0x890 fs/splice.c:953
do_splice_direct+0x1da/0x2a0 fs/splice.c:1062
do_sendfile+0x597/0xce0 fs/read_write.c:1446
__do_sys_sendfile64 fs/read_write.c:1507 [inline]
__se_sys_sendfile64 fs/read_write.c:1493 [inline]
__x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1493
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #2 (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_create_object+0xb3/0x2c0 fs/overlayfs/dir.c:600
ovl_create+0x28/0x30 fs/overlayfs/dir.c:631
lookup_open+0x12e0/0x1b10 fs/namei.c:3234
do_last fs/namei.c:3324 [inline]
path_openat+0x149a/0x4690 fs/namei.c:3534
do_filp_open+0x1a1/0x280 fs/namei.c:3564
do_sys_open+0x3fe/0x550 fs/open.c:1069
ksys_open include/linux/syscalls.h:1276 [inline]
__do_sys_creat fs/open.c:1127 [inline]
__se_sys_creat fs/open.c:1125 [inline]
__x64_sys_creat+0x61/0x80 fs/open.c:1125
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #1 (&ovl_i_mutex_dir_key[depth]){++++}:
down_read+0x3b/0xb0 kernel/locking/rwsem.c:24
inode_lock_shared include/linux/fs.h:748 [inline]
lookup_slow+0x4a/0x80 fs/namei.c:1687
walk_component+0x74b/0x2000 fs/namei.c:1810
lookup_last fs/namei.c:2273 [inline]
path_lookupat.isra.0+0x1f5/0x8d0 fs/namei.c:2318
filename_lookup+0x1b0/0x410 fs/namei.c:2348
kern_path+0x36/0x40 fs/namei.c:2434
create_local_trace_uprobe+0x82/0x490 kernel/trace/trace_uprobe.c:1356
perf_uprobe_init+0x12b/0x210 kernel/trace/trace_event_perf.c:313
perf_uprobe_event_init+0xff/0x190 kernel/events/core.c:8484
perf_try_init_event+0x137/0x2f0 kernel/events/core.c:9759
perf_init_event kernel/events/core.c:9790 [inline]
perf_event_alloc.part.0+0x1d08/0x2e00 kernel/events/core.c:10063
perf_event_alloc kernel/events/core.c:10419 [inline]
__do_sys_perf_event_open+0x842/0x2730 kernel/events/core.c:10520
__se_sys_perf_event_open kernel/events/core.c:10409 [inline]
__x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10409
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #0 (&sig->cred_guard_mutex){+.+.}:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__mutex_lock_common kernel/locking/mutex.c:925 [inline]
__mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072
mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102
lock_trace+0x4a/0xe0 fs/proc/base.c:384
proc_pid_stack+0x13e/0x2c0 fs/proc/base.c:434
proc_single_show+0xf6/0x180 fs/proc/base.c:737
seq_read+0x4db/0x1130 fs/seq_file.c:229
do_loop_readv_writev fs/read_write.c:700 [inline]
do_loop_readv_writev fs/read_write.c:687 [inline]
do_iter_read+0x495/0x650 fs/read_write.c:924
vfs_readv+0xf0/0x160 fs/read_write.c:986
do_preadv+0x1c4/0x280 fs/read_write.c:1070
__do_sys_preadv fs/read_write.c:1120 [inline]
__se_sys_preadv fs/read_write.c:1115 [inline]
__x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1115
do_syscall_64+0x103/0x610 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#4 --> &p->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&p->lock);
lock(sb_writers#4);
lock(&p->lock);
lock(&sig->cred_guard_mutex);
*** DEADLOCK ***
1 lock held by syz-executor.4/30423:
#0: 00000000338a25a6 (&p->lock){+.+.}, at: seq_read+0x71/0x1130
fs/seq_file.c:161
stack backtrace:
CPU: 1 PID: 30423 Comm: syz-executor.4 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
__mutex_lock_common kernel/locking/mutex.c:925 [inline]
__mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072
mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102
lock_trace+0x4a/0xe0 fs/proc/base.c:384
proc_pid_stack+0x13e/0x2c0 fs/proc/base.c:434
proc_single_show+0xf6/0x180 fs/proc/base.c:737
seq_read+0x4db/0x1130 fs/seq_file.c:229
do_loop_readv_writev fs/read_write.c:700 [inline]
do_loop_readv_writev fs/read_write.c:687 [inline]
do_iter_read+0x495/0x650 fs/read_write.c:924
vfs_readv+0xf0/0x160 fs/read_write.c:986
do_preadv+0x1c4/0x280 fs/read_write.c:1070
__do_sys_preadv fs/read_write.c:1120 [inline]
__se_sys_preadv fs/read_write.c:1115 [inline]
__x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1115
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:00007f13dea71c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000458da9
RDX: 000000000000016d RSI: 00000000200017c0 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13dea726d4
R13: 00000000004c5afc R14: 00000000004d9e48 R15: 00000000ffffffff
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'vet' (00000000b8fa453d): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'vet' (00000000b8fa453d): kobject_uevent_env
kobject: 'vet' (00000000b8fa453d): fill_kobj_path: path
= '/devices/virtual/net/vet'
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'queues' (00000000c9b915ee): kobject_add_internal: parent: 'vet',
set: '<NULL>'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'queues' (00000000c9b915ee): kobject_uevent_env
kobject: 'queues' (00000000c9b915ee): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'rx-0' (000000009c2c3117): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
FAT-fs (loop3): bogus number of reserved sectors
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'rx-0' (000000009c2c3117): kobject_uevent_env
kobject: 'rx-0' (000000009c2c3117): fill_kobj_path: path
= '/devices/virtual/net/vet/queues/rx-0'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'tx-0' (00000000cc5904b3): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'tx-0' (00000000cc5904b3): kobject_uevent_env
kobject: 'tx-0' (00000000cc5904b3): fill_kobj_path: path
= '/devices/virtual/net/vet/queues/tx-0'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'batman_adv' (00000000ee3457f9): kobject_add_internal:
parent: 'vet', set: '<NULL>'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'batman_adv' (00000000ee3457f9): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'batman_adv' (00000000ee3457f9): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (00000000ee3457f9): kobject_cleanup, parent
(null)
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'batman_adv' (00000000ee3457f9): calling ktype release
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: (00000000ee3457f9): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (000000009c2c3117): kobject_cleanup, parent 00000000c9b915ee
kobject: 'rx-0' (000000009c2c3117): auto cleanup 'remove' event
FAT-fs (loop3): bogus number of reserved sectors
kobject: 'rx-0' (000000009c2c3117): kobject_uevent_env
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'rx-0' (000000009c2c3117): fill_kobj_path: path
= '/devices/virtual/net/vet/queues/rx-0'
kobject: 'rx-0' (000000009c2c3117): auto cleanup kobject_del
kobject: 'rx-0' (000000009c2c3117): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000cc5904b3): kobject_cleanup, parent 00000000c9b915ee
kobject: 'tx-0' (00000000cc5904b3): auto cleanup 'remove' event
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'tx-0' (00000000cc5904b3): kobject_uevent_env
kobject: 'tx-0' (00000000cc5904b3): fill_kobj_path: path
= '/devices/virtual/net/vet/queues/tx-0'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'tx-0' (00000000cc5904b3): auto cleanup kobject_del
kobject: 'tx-0' (00000000cc5904b3): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000c9b915ee): kobject_cleanup, parent
(null)
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'queues' (00000000c9b915ee): calling ktype release
kobject: 'queues' (00000000c9b915ee): kset_release
kobject: 'queues': free name
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'vet' (00000000b8fa453d): kobject_uevent_env
kobject: 'vet' (00000000b8fa453d): fill_kobj_path: path
= '/devices/virtual/net/vet'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'vet' (00000000b8fa453d): kobject_cleanup, parent (null)
kobject: 'vet' (00000000b8fa453d): calling ktype release
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'vet': free name
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
overlayfs: failed to resolve './file0': -2
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
IPVS: set_ctl: invalid protocol: 255
0.0.0.0:20003
FAT-fs (loop3): bogus number of reserved sectors
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
FAT-fs (loop3): bogus number of reserved sectors
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
FAT-fs (loop3): bogus number of reserved sectors
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
FAT-fs (loop3): bogus number of reserved sectors
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
FAT-fs (loop3): bogus number of reserved sectors
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
FAT-fs (loop3): bogus number of reserved sectors
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
FAT-fs (loop3): invalid media value (0x00)
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
FAT-fs (loop3): invalid media value (0x00)
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
FAT-fs (loop3): invalid media value (0x00)
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
FAT-fs (loop3): invalid media value (0x00)
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'tun0' (00000000631b70c4): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'tun0' (00000000631b70c4): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'tun0' (00000000631b70c4): fill_kobj_path: path
= '/devices/virtual/net/tun0'
kobject: 'queues' (00000000ee1f7d66): kobject_add_internal: parent: 'tun0',
set: '<NULL>'
kobject: 'queues' (00000000ee1f7d66): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'queues' (00000000ee1f7d66): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'rx-0' (00000000d15471cd): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-0' (00000000d15471cd): kobject_uevent_env
kobject: 'rx-0' (00000000d15471cd): fill_kobj_path: path
= '/devices/virtual/net/tun0/queues/rx-0'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'tx-0' (000000009b9ab765): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'tx-0' (000000009b9ab765): kobject_uevent_env
kobject: 'tx-0' (000000009b9ab765): fill_kobj_path: path
= '/devices/virtual/net/tun0/queues/tx-0'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'rx-0' (00000000d15471cd): kobject_cleanup, parent 00000000ee1f7d66
kobject: 'rx-0' (00000000d15471cd): auto cleanup 'remove' event
kobject: 'rx-0' (00000000d15471cd): kobject_uevent_env
kobject: 'rx-0' (00000000d15471cd): fill_kobj_path: path
= '/devices/virtual/net/tun0/queues/rx-0'
FAT-fs (loop3): invalid media value (0x00)
kobject: 'rx-0' (00000000d15471cd): auto cleanup kobject_del
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'rx-0' (00000000d15471cd): calling ktype release
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'tx-0' (000000009b9ab765): kobject_cleanup, parent 00000000ee1f7d66
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'tx-0' (000000009b9ab765): auto cleanup 'remove' event
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'tx-0' (000000009b9ab765): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'tx-0' (000000009b9ab765): fill_kobj_path: path
= '/devices/virtual/net/tun0/queues/tx-0'
kobject: 'tx-0' (000000009b9ab765): auto cleanup kobject_del
kobject: 'tx-0' (000000009b9ab765): calling ktype release
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'tx-0': free name
kobject: 'queues' (00000000ee1f7d66): kobject_cleanup, parent
(null)
kobject: 'queues' (00000000ee1f7d66): calling ktype release
kobject: 'queues' (00000000ee1f7d66): kset_release
kobject: 'queues': free name
kobject: 'tun0' (00000000631b70c4): kobject_uevent_env
kobject: 'tun0' (00000000631b70c4): fill_kobj_path: path
= '/devices/virtual/net/tun0'
kobject: 'tun0' (00000000631b70c4): kobject_cleanup, parent (null)
kobject: 'tun0' (00000000631b70c4): calling ktype release
kobject: 'tun0': free name
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
FAT-fs (loop3): invalid media value (0x00)
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
FAT-fs (loop1): bogus number of reserved sectors
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
FAT-fs (loop1): Can't find a valid FAT filesystem
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
FAT-fs (loop3): invalid media value (0x00)
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
FAT-fs (loop1): bogus number of reserved sectors
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
FAT-fs (loop1): Can't find a valid FAT filesystem
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
FAT-fs (loop3): invalid media value (0x00)
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
overlayfs: filesystem on './file0' not supported as upperdir
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
FAT-fs (loop1): bogus number of reserved sectors
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
FAT-fs (loop1): Can't find a valid FAT filesystem
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
FAT-fs (loop3): invalid media value (0x00)
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
overlayfs: filesystem on './file0' not supported as upperdir
FAT-fs (loop3): Can't find a valid FAT filesystem
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000006a9c8b6): kobject_uevent_env
kobject: 'loop2' (0000000006a9c8b6): fill_kobj_path: path
= '/devices/virtual/block/loop2'
FAT-fs (loop1): bogus number of reserved sectors
FAT-fs (loop1): Can't find a valid FAT filesystem
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'
overlayfs: filesystem on './file0' not supported as upperdir
kobject: 'loop1' (00000000cc4f1fb1): kobject_uevent_env
kobject: 'loop1' (00000000cc4f1fb1): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'loop4' (000000001a58009d): kobject_uevent_env
kobject: 'loop4' (000000001a58009d): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'nr0 ' (000000005432b266): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop5' (00000000bf391695): kobject_uevent_env
kobject: 'loop5' (00000000bf391695): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'nr0 ' (000000005432b266): kobject_uevent_env
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'nr0 ' (000000005432b266): fill_kobj_path: path
= '/devices/virtual/net/nr0 '
kobject: 'loop3' (0000000073a74572): kobject_uevent_env
kobject: 'queues' (000000004edc74ad): kobject_add_internal: parent: 'nr0 ',
set: '<NULL>'
kobject: 'loop3' (0000000073a74572): fill_kobj_path: path
= '/devices/virtual/block/loop3'