protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
======================================================
WARNING: possible circular locking dependency detected
5.0.0-rc6+ #73 Not tainted
------------------------------------------------------
syz-executor.4/11187 is trying to acquire lock:
00000000e17c19b2 (&sig->cred_guard_mutex){+.+.}, at: do_io_accounting+0x1f4/0x830 fs/proc/base.c:2711

but task is already holding lock:
0000000044d8bb80 (&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:

-> #2 (&p->lock){+.+.}:
       __mutex_lock_common kernel/locking/mutex.c:925 [inline]
       __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072
       mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
       seq_read+0x71/0x1130 fs/seq_file.c:161
       do_loop_readv_writev fs/read_write.c:700 [inline]
       do_loop_readv_writev fs/read_write.c:687 [inline]
       do_iter_read+0x4a9/0x660 fs/read_write.c:921
       vfs_readv+0xf0/0x160 fs/read_write.c:983
       kernel_readv fs/splice.c:362 [inline]
       default_file_splice_read+0x475/0x890 fs/splice.c:417
protocol 88fb is buggy, dev hsr_slave_0
       do_splice_to+0x12a/0x190 fs/splice.c:880
       do_splice+0xf7c/0x1330 fs/splice.c:1178
       __do_sys_splice fs/splice.c:1419 [inline]
       __se_sys_splice fs/splice.c:1399 [inline]
       __x64_sys_splice+0x2c6/0x330 fs/splice.c:1399
protocol 88fb is buggy, dev hsr_slave_1
       do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #1 (&pipe->mutex/1){+.+.}:
       __mutex_lock_common kernel/locking/mutex.c:925 [inline]
       __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072
       mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
       __pipe_lock fs/pipe.c:83 [inline]
       fifo_open+0x159/0xb00 fs/pipe.c:905
       do_dentry_open+0x47d/0x1130 fs/open.c:771
       vfs_open+0xa0/0xd0 fs/open.c:880
       do_last fs/namei.c:3418 [inline]
       path_openat+0x10d7/0x4690 fs/namei.c:3534
       do_filp_open+0x1a1/0x280 fs/namei.c:3564
       do_open_execat+0x13b/0x6d0 fs/exec.c:856
       __do_execve_file.isra.0+0x178d/0x23f0 fs/exec.c:1758
       do_execveat_common fs/exec.c:1865 [inline]
       do_execve fs/exec.c:1882 [inline]
       __do_sys_execve fs/exec.c:1963 [inline]
       __se_sys_execve fs/exec.c:1958 [inline]
       __x64_sys_execve+0x8f/0xc0 fs/exec.c:1958
       do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #0 (&sig->cred_guard_mutex){+.+.}:
       lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841
       __mutex_lock_common kernel/locking/mutex.c:925 [inline]
       __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072
       mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102
       do_io_accounting+0x1f4/0x830 fs/proc/base.c:2711
       proc_tgid_io_accounting+0x23/0x30 fs/proc/base.c:2760
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
       proc_single_show+0xf6/0x180 fs/proc/base.c:739
       seq_read+0x4db/0x1130 fs/seq_file.c:229
       __vfs_read+0x116/0x8c0 fs/read_write.c:416
       vfs_read+0x194/0x3e0 fs/read_write.c:452
       ksys_pread64+0x183/0x1c0 fs/read_write.c:626
       __do_sys_pread64 fs/read_write.c:636 [inline]
       __se_sys_pread64 fs/read_write.c:633 [inline]
       __x64_sys_pread64+0x97/0xf0 fs/read_write.c:633
       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 --> &pipe->mutex/1 --> &p->lock

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&p->lock);
                               lock(&pipe->mutex/1);
                               lock(&p->lock);
  lock(&sig->cred_guard_mutex);

 *** DEADLOCK ***

1 lock held by syz-executor.4/11187:
 #0: 0000000044d8bb80 (&p->lock){+.+.}, at: seq_read+0x71/0x1130 fs/seq_file.c:161

stack backtrace:
CPU: 0 PID: 11187 Comm: syz-executor.4 Not tainted 5.0.0-rc6+ #73
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:1224
 check_prev_add kernel/locking/lockdep.c:1866 [inline]
 check_prevs_add kernel/locking/lockdep.c:1979 [inline]
 validate_chain kernel/locking/lockdep.c:2350 [inline]
 __lock_acquire+0x2f00/0x4700 kernel/locking/lockdep.c:3338
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841
 __mutex_lock_common kernel/locking/mutex.c:925 [inline]
 __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072
 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102
 do_io_accounting+0x1f4/0x830 fs/proc/base.c:2711
 proc_tgid_io_accounting+0x23/0x30 fs/proc/base.c:2760
 proc_single_show+0xf6/0x180 fs/proc/base.c:739
 seq_read+0x4db/0x1130 fs/seq_file.c:229
 __vfs_read+0x116/0x8c0 fs/read_write.c:416
 vfs_read+0x194/0x3e0 fs/read_write.c:452
 ksys_pread64+0x183/0x1c0 fs/read_write.c:626
 __do_sys_pread64 fs/read_write.c:636 [inline]
 __se_sys_pread64 fs/read_write.c:633 [inline]
 __x64_sys_pread64+0x97/0xf0 fs/read_write.c:633
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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:00007fcd4d355c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000011
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457e29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd4d3566d4
R13: 00000000004c492c R14: 00000000004d8158 R15: 00000000ffffffff
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: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
CPU: 0 PID: 11463 Comm: syz-executor.3 Not tainted 5.0.0-rc6+ #73
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
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
 __should_failslab+0x121/0x190 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1603
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3367 [inline]
 kmem_cache_alloc+0x2be/0x710 mm/slab.c:3541
 kmem_cache_zalloc include/linux/slab.h:730 [inline]
 alloc_posix_timer kernel/time/posix-timers.c:432 [inline]
 do_timer_create+0x167/0x1420 kernel/time/posix-timers.c:485
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
 __do_sys_timer_create kernel/time/posix-timers.c:562 [inline]
 __se_sys_timer_create kernel/time/posix-timers.c:551 [inline]
 __x64_sys_timer_create+0x19d/0x1d0 kernel/time/posix-timers.c:551
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
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:00007f7842badc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000de
RAX: ffffffffffffffda RBX: 00007f7842badc90 RCX: 0000000000457e29
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7842bae6d4
R13: 00000000004c6b3e R14: 00000000004dc178 R15: 0000000000000003
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
CPU: 0 PID: 11480 Comm: syz-executor.3 Not tainted 5.0.0-rc6+ #73
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
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
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
 __should_failslab+0x121/0x190 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1603
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3367 [inline]
 kmem_cache_alloc+0x2be/0x710 mm/slab.c:3541
 __sigqueue_alloc+0x268/0x4d0 kernel/signal.c:419
 sigqueue_alloc+0x25/0x70 kernel/signal.c:1720
 alloc_posix_timer kernel/time/posix-timers.c:435 [inline]
 do_timer_create+0x17d/0x1420 kernel/time/posix-timers.c:485
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
 __do_sys_timer_create kernel/time/posix-timers.c:562 [inline]
 __se_sys_timer_create kernel/time/posix-timers.c:551 [inline]
 __x64_sys_timer_create+0x19d/0x1d0 kernel/time/posix-timers.c:551
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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:00007f7842badc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000de
RAX: ffffffffffffffda RBX: 00007f7842badc90 RCX: 0000000000457e29
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7842bae6d4
R13: 00000000004c6b3e R14: 00000000004dc178 R15: 0000000000000003
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
CPU: 0 PID: 11517 Comm: syz-executor.3 Not tainted 5.0.0-rc6+ #73
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
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
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
 __should_failslab+0x121/0x190 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1603
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3367 [inline]
 kmem_cache_alloc+0x2be/0x710 mm/slab.c:3541
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
 __sigqueue_alloc+0x268/0x4d0 kernel/signal.c:419
 sigqueue_alloc+0x25/0x70 kernel/signal.c:1720
 alloc_posix_timer kernel/time/posix-timers.c:435 [inline]
 do_timer_create+0x17d/0x1420 kernel/time/posix-timers.c:485
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
 __do_sys_timer_create kernel/time/posix-timers.c:562 [inline]
 __se_sys_timer_create kernel/time/posix-timers.c:551 [inline]
 __x64_sys_timer_create+0x19d/0x1d0 kernel/time/posix-timers.c:551
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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:00007f7842badc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000de
RAX: ffffffffffffffda RBX: 00007f7842badc90 RCX: 0000000000457e29
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7842bae6d4
R13: 00000000004c6b3e R14: 00000000004dc178 R15: 0000000000000003
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 11539 Comm: syz-executor.4 Not tainted 5.0.0-rc6+ #73
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
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
 __should_failslab+0x121/0x190 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1603
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3367 [inline]
 __do_kmalloc mm/slab.c:3709 [inline]
 __kmalloc+0x2dc/0x740 mm/slab.c:3720
 kmalloc include/linux/slab.h:550 [inline]
 alloc_msg ipc/msgutil.c:56 [inline]
 load_msg+0x3a/0x330 ipc/msgutil.c:91
 do_msgsnd+0x1a8/0x14f0 ipc/msg.c:807
 ksys_msgsnd+0x6b/0x90 ipc/msg.c:911
 __do_sys_msgsnd ipc/msg.c:917 [inline]
 __se_sys_msgsnd ipc/msg.c:914 [inline]
 __x64_sys_msgsnd+0x97/0xf0 ipc/msg.c:914
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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:00007fcd4d376c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000045
RAX: ffffffffffffffda RBX: 00007fcd4d376c90 RCX: 0000000000457e29
RDX: 0000000000000008 RSI: 0000000020000200 RDI: 0000000000000000
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd4d3776d4
R13: 00000000004c3d56 R14: 00000000004d7018 R15: 0000000000000003
CPU: 0 PID: 11535 Comm: syz-executor.3 Not tainted 5.0.0-rc6+ #73
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
 __should_failslab+0x121/0x190 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1603
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3367 [inline]
 kmem_cache_alloc+0x2be/0x710 mm/slab.c:3541
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
 anon_vma_alloc mm/rmap.c:82 [inline]
 __anon_vma_prepare+0x1b1/0x3c0 mm/rmap.c:190
 anon_vma_prepare include/linux/rmap.h:153 [inline]
 do_huge_pmd_anonymous_page+0xf8c/0x1550 mm/huge_memory.c:694
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
 create_huge_pmd mm/memory.c:3678 [inline]
 __handle_mm_fault+0x2daf/0x3f20 mm/memory.c:3882
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
 handle_mm_fault+0x43f/0xb30 mm/memory.c:3948
 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline]
 __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541
 do_page_fault+0x71/0x581 arch/x86/mm/fault.c:1572
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
RIP: 0010:copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:76
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
Code: 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 <88> 07 48 ff c6 48 ff c7 ff c9 75 f2 31 c0 0f 1f 00 c3 0f 1f 40 00
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
RSP: 0018:ffff88804ef8fcf0 EFLAGS: 00010202
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000004
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
RDX: 0000000000000004 RSI: ffff88804ef8fdc8 RDI: 0000000020000100
RBP: ffff88804ef8fd28 R08: 1ffff11009df1fb9 R09: ffffed1009df1fba
R10: ffffed1009df1fb9 R11: 0000000000000003 R12: 0000000020000100
R13: ffff88804ef8fdc8 R14: 0000000020000104 R15: 00007ffffffff000
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
 copy_to_user include/linux/uaccess.h:152 [inline]
 do_timer_create+0xc45/0x1420 kernel/time/posix-timers.c:524
 __do_sys_timer_create kernel/time/posix-timers.c:562 [inline]
 __se_sys_timer_create kernel/time/posix-timers.c:551 [inline]
 __x64_sys_timer_create+0x19d/0x1d0 kernel/time/posix-timers.c:551
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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:00007f7842badc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000de
RAX: ffffffffffffffda RBX: 00007f7842badc90 RCX: 0000000000457e29
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7842bae6d4
R13: 00000000004c6b3e R14: 00000000004dc178 R15: 0000000000000003
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
CPU: 1 PID: 11574 Comm: syz-executor.3 Not tainted 5.0.0-rc6+ #73
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
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
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
 __should_failslab+0x121/0x190 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1603
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3367 [inline]
 kmem_cache_alloc+0x2be/0x710 mm/slab.c:3541
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
 kmem_cache_zalloc include/linux/slab.h:730 [inline]
 alloc_mm_slot mm/khugepaged.c:369 [inline]
 __khugepaged_enter+0x3b/0x390 mm/khugepaged.c:425
 khugepaged_enter include/linux/khugepaged.h:54 [inline]
 do_huge_pmd_anonymous_page+0xffd/0x1550 mm/huge_memory.c:696
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
 create_huge_pmd mm/memory.c:3678 [inline]
 __handle_mm_fault+0x2daf/0x3f20 mm/memory.c:3882
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
 handle_mm_fault+0x43f/0xb30 mm/memory.c:3948
 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline]
 __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
 do_page_fault+0x71/0x581 arch/x86/mm/fault.c:1572
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143
RIP: 0010:copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:76
Code: 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 <88> 07 48 ff c6 48 ff c7 ff c9 75 f2 31 c0 0f 1f 00 c3 0f 1f 40 00
RSP: 0018:ffff88804de47cf0 EFLAGS: 00010202
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000004
RDX: 0000000000000004 RSI: ffff88804de47dc8 RDI: 0000000020000100
RBP: ffff88804de47d28 R08: 1ffff11009bc8fb9 R09: ffffed1009bc8fba
R10: ffffed1009bc8fb9 R11: 0000000000000003 R12: 0000000020000100
R13: ffff88804de47dc8 R14: 0000000020000104 R15: 00007ffffffff000
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
 copy_to_user include/linux/uaccess.h:152 [inline]
 do_timer_create+0xc45/0x1420 kernel/time/posix-timers.c:524
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
 __do_sys_timer_create kernel/time/posix-timers.c:562 [inline]
 __se_sys_timer_create kernel/time/posix-timers.c:551 [inline]
 __x64_sys_timer_create+0x19d/0x1d0 kernel/time/posix-timers.c:551
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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:00007f7842badc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000de
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
RAX: ffffffffffffffda RBX: 00007f7842badc90 RCX: 0000000000457e29
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7842bae6d4
R13: 00000000004c6b3e R14: 00000000004dc178 R15: 0000000000000003
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 1
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
CPU: 1 PID: 11588 Comm: syz-executor.3 Not tainted 5.0.0-rc6+ #73
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
 __should_fail_alloc_page mm/page_alloc.c:3152 [inline]
 should_fail_alloc_page+0x50/0x60 mm/page_alloc.c:3199
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
 prepare_alloc_pages mm/page_alloc.c:4476 [inline]
 __alloc_pages_nodemask+0x1a1/0x710 mm/page_alloc.c:4523
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 alloc_pages_vma+0x39a/0x540 mm/mempolicy.c:2062
 do_huge_pmd_anonymous_page+0x509/0x1550 mm/huge_memory.c:738
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
 create_huge_pmd mm/memory.c:3678 [inline]
 __handle_mm_fault+0x2daf/0x3f20 mm/memory.c:3882
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
 handle_mm_fault+0x43f/0xb30 mm/memory.c:3948
 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline]
 __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
 do_page_fault+0x71/0x581 arch/x86/mm/fault.c:1572
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
RIP: 0010:copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:76
Code: 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 <88> 07 48 ff c6 48 ff c7 ff c9 75 f2 31 c0 0f 1f 00 c3 0f 1f 40 00
RSP: 0018:ffff88805536fcf0 EFLAGS: 00010202
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000004
RDX: 0000000000000004 RSI: ffff88805536fdc8 RDI: 0000000020000100
RBP: ffff88805536fd28 R08: 1ffff1100aa6dfb9 R09: ffffed100aa6dfba
R10: ffffed100aa6dfb9 R11: 0000000000000003 R12: 0000000020000100
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
R13: ffff88805536fdc8 R14: 0000000020000104 R15: 00007ffffffff000
 copy_to_user include/linux/uaccess.h:152 [inline]
 do_timer_create+0xc45/0x1420 kernel/time/posix-timers.c:524
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
 __do_sys_timer_create kernel/time/posix-timers.c:562 [inline]
 __se_sys_timer_create kernel/time/posix-timers.c:551 [inline]
 __x64_sys_timer_create+0x19d/0x1d0 kernel/time/posix-timers.c:551
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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:00007f7842badc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000de
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
RAX: ffffffffffffffda RBX: 00007f7842badc90 RCX: 0000000000457e29
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7842bae6d4
R13: 00000000004c6b3e R14: 00000000004dc178 R15: 0000000000000003
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
CPU: 1 PID: 11599 Comm: syz-executor.1 Not tainted 5.0.0-rc6+ #73
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
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
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
 __should_failslab+0x121/0x190 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1603
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3367 [inline]
 __do_kmalloc mm/slab.c:3709 [inline]
 __kmalloc+0x2dc/0x740 mm/slab.c:3720
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
 kmalloc include/linux/slab.h:550 [inline]
 kzalloc include/linux/slab.h:740 [inline]
 rds_message_alloc+0x4a/0x230 net/rds/message.c:291
 rds_sendmsg+0x16ab/0x3450 net/rds/send.c:1259
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:631
 __sys_sendto+0x262/0x380 net/socket.c:1786
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
 __do_sys_sendto net/socket.c:1798 [inline]
 __se_sys_sendto net/socket.c:1794 [inline]
 __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1794
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
RSP: 002b:00007f0fa6010c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f0fa6010c90 RCX: 0000000000457e29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000020000640 R09: 000000000000006e
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0fa60116d4
R13: 00000000004c54e7 R14: 00000000004d9388 R15: 0000000000000004
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
CPU: 1 PID: 11615 Comm: syz-executor.3 Not tainted 5.0.0-rc6+ #73
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
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
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
 __should_fail_alloc_page mm/page_alloc.c:3152 [inline]
 should_fail_alloc_page+0x50/0x60 mm/page_alloc.c:3199
 prepare_alloc_pages mm/page_alloc.c:4476 [inline]
 __alloc_pages_nodemask+0x1a1/0x710 mm/page_alloc.c:4523
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 alloc_pages_vma+0x39a/0x540 mm/mempolicy.c:2062
 do_huge_pmd_anonymous_page+0x509/0x1550 mm/huge_memory.c:738
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
 create_huge_pmd mm/memory.c:3678 [inline]
 __handle_mm_fault+0x2daf/0x3f20 mm/memory.c:3882
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
 handle_mm_fault+0x43f/0xb30 mm/memory.c:3948
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline]
 __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541
 do_page_fault+0x71/0x581 arch/x86/mm/fault.c:1572
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143
RIP: 0010:copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:76
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
Code: 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 <88> 07 48 ff c6 48 ff c7 ff c9 75 f2 31 c0 0f 1f 00 c3 0f 1f 40 00
RSP: 0018:ffff88804ddafcf0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000004
RDX: 0000000000000004 RSI: ffff88804ddafdc8 RDI: 0000000020000100
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
RBP: ffff88804ddafd28 R08: 1ffff11009bb5fb9 R09: ffffed1009bb5fba
R10: ffffed1009bb5fb9 R11: 0000000000000003 R12: 0000000020000100
R13: ffff88804ddafdc8 R14: 0000000020000104 R15: 00007ffffffff000
 copy_to_user include/linux/uaccess.h:152 [inline]
 do_timer_create+0xc45/0x1420 kernel/time/posix-timers.c:524
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
 __do_sys_timer_create kernel/time/posix-timers.c:562 [inline]
 __se_sys_timer_create kernel/time/posix-timers.c:551 [inline]
 __x64_sys_timer_create+0x19d/0x1d0 kernel/time/posix-timers.c:551
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
RSP: 002b:00007f7842badc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000de
RAX: ffffffffffffffda RBX: 00007f7842badc90 RCX: 0000000000457e29
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7842bae6d4
R13: 00000000004c6b3e R14: 00000000004dc178 R15: 0000000000000003
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
CPU: 1 PID: 11638 Comm: syz-executor.3 Not tainted 5.0.0-rc6+ #73
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
 __should_failslab+0x121/0x190 mm/failslab.c:32
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
 should_failslab+0x9/0x14 mm/slab_common.c:1603
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3367 [inline]
 kmem_cache_alloc+0x2be/0x710 mm/slab.c:3541
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
 ptlock_alloc+0x20/0x70 mm/memory.c:4577
 ptlock_init include/linux/mm.h:1955 [inline]
 pgtable_page_ctor include/linux/mm.h:1982 [inline]
 pte_alloc_one+0x6d/0x1a0 arch/x86/mm/pgtable.c:38
 __do_huge_pmd_anonymous_page mm/huge_memory.c:571 [inline]
 do_huge_pmd_anonymous_page+0x6f6/0x1550 mm/huge_memory.c:744
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
 create_huge_pmd mm/memory.c:3678 [inline]
 __handle_mm_fault+0x2daf/0x3f20 mm/memory.c:3882
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
 handle_mm_fault+0x43f/0xb30 mm/memory.c:3948
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline]
 __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
 do_page_fault+0x71/0x581 arch/x86/mm/fault.c:1572
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
RIP: 0010:copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:76
Code: 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 <88> 07 48 ff c6 48 ff c7 ff c9 75 f2 31 c0 0f 1f 00 c3 0f 1f 40 00
RSP: 0018:ffff88809945fcf0 EFLAGS: 00010202
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000004
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
RDX: 0000000000000004 RSI: ffff88809945fdc8 RDI: 0000000020000100
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
RBP: ffff88809945fd28 R08: 1ffff1101328bfb9 R09: ffffed101328bfba
R10: ffffed101328bfb9 R11: 0000000000000003 R12: 0000000020000100
R13: ffff88809945fdc8 R14: 0000000020000104 R15: 00007ffffffff000
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
 copy_to_user include/linux/uaccess.h:152 [inline]
 do_timer_create+0xc45/0x1420 kernel/time/posix-timers.c:524
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
 __do_sys_timer_create kernel/time/posix-timers.c:562 [inline]
 __se_sys_timer_create kernel/time/posix-timers.c:551 [inline]
 __x64_sys_timer_create+0x19d/0x1d0 kernel/time/posix-timers.c:551
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
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:00007f7842badc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000de
RAX: ffffffffffffffda RBX: 00007f7842badc90 RCX: 0000000000457e29
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000002
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7842bae6d4
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
R13: 00000000004c6b3e R14: 00000000004dc178 R15: 0000000000000003
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000fa95182b): kobject_uevent_env
kobject: 'loop1' (00000000fa95182b): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000f674abd8): kobject_uevent_env
kobject: 'loop3' (00000000f674abd8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000071f6f4cd): kobject_uevent_env
kobject: 'loop2' (0000000071f6f4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (000000008f197f5f): kobject_uevent_env
kobject: 'loop5' (000000008f197f5f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (0000000066b0c210): kobject_uevent_env
kobject: 'loop4' (0000000066b0c210): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b994cbcd): kobject_uevent_env
kobject: 'loop0' (00000000b994cbcd): fill_kobj_path: path = '/devices/virtual/block/loop0'