BUG: Dentry 0000000009fd8bc2{i=0,n=.reiserfs_priv}  still in use (1) [unmount of minix loop4]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3133 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 0 PID: 3133 Comm: syz-executor.4 Not tainted 6.1.0-rc7-syzkaller-33054-gcdb931b58ff5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0xc0/0xc8 fs/dcache.c:1667
lr : umount_check+0xc0/0xc8 fs/dcache.c:1667
sp : ffff800010fcbbc0
x29: ffff800010fcbbc0 x28: ffff0001042e5730 x27: ffff80000d4e52c0
x26: ffff0001042e5618 x25: 0000000000000001 x24: ffff0001042e5730
x23: ffff0001042e5a50 x22: ffff00010e4a0d68 x21: ffff8000085f7164
x20: 0000000000000000 x19: ffff0001042e59c0 x18: 00000000000000c0
x17: 657375206e69206c x16: ffff80000dbe6158 x15: ffff0000ff123480
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000ff123480
x11: ff808000081c4d64 x10: 0000000000000000 x9 : 69253100badec400
x8 : 69253100badec400 x7 : ffff80000c091344 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefbecd0 x1 : 0000000100000002 x0 : 000000000000005d
Call trace:
 umount_check+0xc0/0xc8 fs/dcache.c:1667
 d_walk+0x13c/0x55c fs/dcache.c:1386
 do_one_tree fs/dcache.c:1683 [inline]
 shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699
 generic_shutdown_super+0x30/0x198 fs/super.c:473
 kill_block_super+0x30/0x78 fs/super.c:1428
 deactivate_locked_super+0x70/0xe8 fs/super.c:332
 deactivate_super+0xd0/0xd4 fs/super.c:363
 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x100/0x148 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1132
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
irq event stamp: 6657318
hardirqs last  enabled at (6657317): [<ffff8000081c3048>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:261
hardirqs last disabled at (6657318): [<ffff80000c083704>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (6656858): [<ffff80000801c82c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (6656856): [<ffff80000801c7f8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
BUG: Dentry 0000000009fd8bc2{i=0,n=.reiserfs_priv}  still in use (1) [unmount of minix loop4]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3133 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 0 PID: 3133 Comm: syz-executor.4 Tainted: G        W          6.1.0-rc7-syzkaller-33054-gcdb931b58ff5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0xc0/0xc8 fs/dcache.c:1667
lr : umount_check+0xc0/0xc8 fs/dcache.c:1667
sp : ffff800010fcbbc0
x29: ffff800010fcbbc0 x28: ffff0001042e5730 x27: ffff80000d4e52c0
x26: ffff0001042e5618 x25: 0000000000000001 x24: ffff0001042e5730
x23: ffff0001042e5a50 x22: ffff00010e4a0d68 x21: ffff8000085f7164
x20: 0000000000000000 x19: ffff0001042e59c0 x18: 00000000000000c0
x17: 657375206e69206c x16: ffff80000dbe6158 x15: ffff0000ff123480
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000ff123480
x11: ff808000081c4d64 x10: 0000000000000000 x9 : 69253100badec400
x8 : 69253100badec400 x7 : ffff80000c091344 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefbecd0 x1 : 0000000000000003 x0 : 000000000000005d
Call trace:
 umount_check+0xc0/0xc8 fs/dcache.c:1667
 d_walk+0x13c/0x55c fs/dcache.c:1386
 do_one_tree fs/dcache.c:1683 [inline]
 shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699
 generic_shutdown_super+0x30/0x198 fs/super.c:473
 kill_block_super+0x30/0x78 fs/super.c:1428
 deactivate_locked_super+0x70/0xe8 fs/super.c:332
 deactivate_super+0xd0/0xd4 fs/super.c:363
 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x100/0x148 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1132
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
irq event stamp: 6657346
hardirqs last  enabled at (6657345): [<ffff8000081c3048>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:261
hardirqs last disabled at (6657346): [<ffff80000c083704>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (6656858): [<ffff80000801c82c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (6656856): [<ffff80000801c7f8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
VFS: Busy inodes after unmount of loop4. Self-destruct in 5 seconds.  Have a nice day...