Invalid argument reading file caps for ./file0
=====================================================
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
4.19.75 #0 Not tainted
-----------------------------------------------------
syz-executor.3/19033 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
0000000097d15a23 (&fiq->waitq){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline]
0000000097d15a23 (&fiq->waitq){+.+.}, at: aio_poll fs/aio.c:1741 [inline]
0000000097d15a23 (&fiq->waitq){+.+.}, at: __io_submit_one fs/aio.c:1849 [inline]
0000000097d15a23 (&fiq->waitq){+.+.}, at: io_submit_one+0xef2/0x2eb0 fs/aio.c:1885
and this task is already holding:
00000000edbd2c53 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline]
00000000edbd2c53 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline]
00000000edbd2c53 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline]
00000000edbd2c53 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
which would create a new lock dependency:
(&(&ctx->ctx_lock)->rlock){..-.} -> (&fiq->waitq){+.+.}
but this new dependency connects a SOFTIRQ-irq-safe lock:
(&(&ctx->ctx_lock)->rlock){..-.}
... which became SOFTIRQ-irq-safe at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
_raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160
spin_lock_irq include/linux/spinlock.h:354 [inline]
free_ioctx_users+0x2d/0x490 fs/aio.c:614
percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline]
percpu_ref_put include/linux/percpu-refcount.h:300 [inline]
percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline]
percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158
__rcu_reclaim kernel/rcu/rcu.h:236 [inline]
rcu_do_batch kernel/rcu/tree.c:2584 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
task_function_call+0x0/0x180 kernel/events/core.c:6753
__do_sys_perf_event_open+0x1b4e/0x2a70 kernel/events/core.c:10841
__se_sys_perf_event_open kernel/events/core.c:10466 [inline]
__x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10466
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
to a SOFTIRQ-irq-unsafe lock:
(&fiq->waitq){+.+.}
... which became SOFTIRQ-irq-unsafe at:
...
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368
fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609
fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617
cuse_send_init fs/fuse/cuse.c:458 [inline]
cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518
misc_open+0x395/0x4c0 drivers/char/misc.c:141
chrdev_open+0x245/0x6b0 fs/char_dev.c:423
do_dentry_open+0x4c3/0x1210 fs/open.c:796
vfs_open+0xa0/0xd0 fs/open.c:905
do_last fs/namei.c:3418 [inline]
path_openat+0x10d7/0x45e0 fs/namei.c:3534
do_filp_open+0x1a1/0x280 fs/namei.c:3564
do_sys_open+0x3fe/0x550 fs/open.c:1088
__do_sys_openat fs/open.c:1115 [inline]
__se_sys_openat fs/open.c:1109 [inline]
__x64_sys_openat+0x9d/0x100 fs/open.c:1109
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&fiq->waitq);
local_irq_disable();
lock(&(&ctx->ctx_lock)->rlock);
lock(&fiq->waitq);
<Interrupt>
lock(&(&ctx->ctx_lock)->rlock);
*** DEADLOCK ***
1 lock held by syz-executor.3/19033:
#0: 00000000edbd2c53 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline]
#0: 00000000edbd2c53 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline]
#0: 00000000edbd2c53 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline]
#0: 00000000edbd2c53 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885
the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
-> (&(&ctx->ctx_lock)->rlock){..-.} ops: 5 {
IN-SOFTIRQ-W at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
_raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160
spin_lock_irq include/linux/spinlock.h:354 [inline]
free_ioctx_users+0x2d/0x490 fs/aio.c:614
percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline]
percpu_ref_put include/linux/percpu-refcount.h:300 [inline]
percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline]
percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158
__rcu_reclaim kernel/rcu/rcu.h:236 [inline]
rcu_do_batch kernel/rcu/tree.c:2584 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
task_function_call+0x0/0x180 kernel/events/core.c:6753
__do_sys_perf_event_open+0x1b4e/0x2a70 kernel/events/core.c:10841
__se_sys_perf_event_open kernel/events/core.c:10466 [inline]
__x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10466
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
INITIAL USE at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
_raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160
spin_lock_irq include/linux/spinlock.h:354 [inline]
free_ioctx_users+0x2d/0x490 fs/aio.c:614
percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline]
percpu_ref_put include/linux/percpu-refcount.h:300 [inline]
percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline]
percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158
__rcu_reclaim kernel/rcu/rcu.h:236 [inline]
rcu_do_batch kernel/rcu/tree.c:2584 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
task_function_call+0x0/0x180 kernel/events/core.c:6753
__do_sys_perf_event_open+0x1b4e/0x2a70 kernel/events/core.c:10841
__se_sys_perf_event_open kernel/events/core.c:10466 [inline]
__x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10466
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
}
... key at: [<ffffffff8a3a13e0>] __key.50217+0x0/0x40
... acquired at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
aio_poll fs/aio.c:1741 [inline]
__io_submit_one fs/aio.c:1849 [inline]
io_submit_one+0xef2/0x2eb0 fs/aio.c:1885
__do_sys_io_submit fs/aio.c:1929 [inline]
__se_sys_io_submit fs/aio.c:1900 [inline]
__x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
the dependencies between the lock to be acquired
and SOFTIRQ-irq-unsafe lock:
-> (&fiq->waitq){+.+.} ops: 22 {
HARDIRQ-ON-W at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368
fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609
fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617
cuse_send_init fs/fuse/cuse.c:458 [inline]
cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518
misc_open+0x395/0x4c0 drivers/char/misc.c:141
chrdev_open+0x245/0x6b0 fs/char_dev.c:423
do_dentry_open+0x4c3/0x1210 fs/open.c:796
vfs_open+0xa0/0xd0 fs/open.c:905
do_last fs/namei.c:3418 [inline]
path_openat+0x10d7/0x45e0 fs/namei.c:3534
do_filp_open+0x1a1/0x280 fs/namei.c:3564
do_sys_open+0x3fe/0x550 fs/open.c:1088
__do_sys_openat fs/open.c:1115 [inline]
__se_sys_openat fs/open.c:1109 [inline]
__x64_sys_openat+0x9d/0x100 fs/open.c:1109
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
SOFTIRQ-ON-W at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
kobject: 'loop4' (0000000077989652): kobject_uevent_env
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368
fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609
fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617
cuse_send_init fs/fuse/cuse.c:458 [inline]
cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
misc_open+0x395/0x4c0 drivers/char/misc.c:141
chrdev_open+0x245/0x6b0 fs/char_dev.c:423
do_dentry_open+0x4c3/0x1210 fs/open.c:796
vfs_open+0xa0/0xd0 fs/open.c:905
do_last fs/namei.c:3418 [inline]
path_openat+0x10d7/0x45e0 fs/namei.c:3534
do_filp_open+0x1a1/0x280 fs/namei.c:3564
do_sys_open+0x3fe/0x550 fs/open.c:1088
__do_sys_openat fs/open.c:1115 [inline]
__se_sys_openat fs/open.c:1109 [inline]
__x64_sys_openat+0x9d/0x100 fs/open.c:1109
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
entry_SYSCALL_64_after_hwframe+0x49/0xbe
INITIAL USE at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368
fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609
fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
cuse_send_init fs/fuse/cuse.c:458 [inline]
cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518
misc_open+0x395/0x4c0 drivers/char/misc.c:141
chrdev_open+0x245/0x6b0 fs/char_dev.c:423
do_dentry_open+0x4c3/0x1210 fs/open.c:796
vfs_open+0xa0/0xd0 fs/open.c:905
do_last fs/namei.c:3418 [inline]
path_openat+0x10d7/0x45e0 fs/namei.c:3534
do_filp_open+0x1a1/0x280 fs/namei.c:3564
kobject: 'loop1' (000000000aa4d745): kobject_uevent_env
do_sys_open+0x3fe/0x550 fs/open.c:1088
__do_sys_openat fs/open.c:1115 [inline]
__se_sys_openat fs/open.c:1109 [inline]
__x64_sys_openat+0x9d/0x100 fs/open.c:1109
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
kobject: 'loop1' (000000000aa4d745): fill_kobj_path: path = '/devices/virtual/block/loop1'
entry_SYSCALL_64_after_hwframe+0x49/0xbe
}
... key at: [<ffffffff8a43ae80>] __key.42217+0x0/0x40
... acquired at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
aio_poll fs/aio.c:1741 [inline]
__io_submit_one fs/aio.c:1849 [inline]
io_submit_one+0xef2/0x2eb0 fs/aio.c:1885
__do_sys_io_submit fs/aio.c:1929 [inline]
__se_sys_io_submit fs/aio.c:1900 [inline]
__x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
stack backtrace:
CPU: 1 PID: 19033 Comm: syz-executor.3 Not tainted 4.19.75 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'kvm' (00000000a49a2f9d): kobject_uevent_env
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
print_bad_irq_dependency kernel/locking/lockdep.c:1568 [inline]
check_usage.cold+0x611/0x946 kernel/locking/lockdep.c:1600
kobject: 'kvm' (00000000a49a2f9d): fill_kobj_path: path = '/devices/virtual/misc/kvm'
check_irq_usage kernel/locking/lockdep.c:1656 [inline]
check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline]
check_prev_add kernel/locking/lockdep.c:1866 [inline]
check_prevs_add kernel/locking/lockdep.c:1974 [inline]
validate_chain kernel/locking/lockdep.c:2415 [inline]
__lock_acquire+0x1e8c/0x49c0 kernel/locking/lockdep.c:3411
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
aio_poll fs/aio.c:1741 [inline]
__io_submit_one fs/aio.c:1849 [inline]
io_submit_one+0xef2/0x2eb0 fs/aio.c:1885
__do_sys_io_submit fs/aio.c:1929 [inline]
__se_sys_io_submit fs/aio.c:1900 [inline]
__x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a29
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
kobject: 'kvm' (00000000a49a2f9d): kobject_uevent_env
RSP: 002b:00007fdc234e8c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a29
RDX: 0000000020000100 RSI: 0000000000000001 RDI: 00007fdc234ea000
kobject: 'kvm' (00000000a49a2f9d): fill_kobj_path: path = '/devices/virtual/misc/kvm'
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdc234e96d4
R13: 00000000004c0e25 R14: 00000000004d3ff0 R15: 00000000ffffffff
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'nbd0' (00000000ace9fec8): kobject_uevent_env
kobject: 'loop5' (00000000f228814b): kobject_uevent_env
kobject: 'loop5' (00000000f228814b): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'nbd0' (00000000ace9fec8): fill_kobj_path: path = '/devices/virtual/block/nbd0'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'nbd0' (00000000ace9fec8): kobject_uevent_env
Invalid argument reading file caps for ./file0
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'nbd0' (00000000ace9fec8): fill_kobj_path: path = '/devices/virtual/block/nbd0'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000000aa4d745): kobject_uevent_env
kobject: 'loop1' (000000000aa4d745): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
net_ratelimit: 20 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop5' (00000000f228814b): kobject_uevent_env
Invalid argument reading file caps for ./file0
kobject: 'loop5' (00000000f228814b): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000000aa4d745): kobject_uevent_env
kobject: 'loop1' (000000000aa4d745): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'nbd0' (00000000ace9fec8): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'nbd0' (00000000ace9fec8): fill_kobj_path: path = '/devices/virtual/block/nbd0'
kobject: 'loop5' (00000000f228814b): kobject_uevent_env
kobject: 'loop5' (00000000f228814b): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'nbd0' (00000000ace9fec8): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'kvm' (00000000a49a2f9d): kobject_uevent_env
kobject: 'nbd0' (00000000ace9fec8): fill_kobj_path: path = '/devices/virtual/block/nbd0'
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (00000000a49a2f9d): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'kvm' (00000000a49a2f9d): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (00000000a49a2f9d): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'nbd0' (00000000ace9fec8): kobject_uevent_env
kobject: 'nbd0' (00000000ace9fec8): fill_kobj_path: path = '/devices/virtual/block/nbd0'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000000aa4d745): kobject_uevent_env
kobject: 'loop1' (000000000aa4d745): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
net_ratelimit: 20 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop4' (0000000077989652): kobject_uevent_env
Invalid argument reading file caps for ./file0
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000f228814b): kobject_uevent_env
kobject: 'loop5' (00000000f228814b): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (000000000aa4d745): kobject_uevent_env
kobject: 'loop1' (000000000aa4d745): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000002bddf9b2): kobject_uevent_env
kobject: 'loop3' (000000002bddf9b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000023127f01): kobject_uevent_env
kobject: 'loop2' (0000000023127f01): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000077989652): kobject_uevent_env
kobject: 'loop4' (0000000077989652): fill_kobj_path: path = '/devices/virtual/block/loop4'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1