BUG: Dentry 00000000fe4fa640{i=0,n=.reiserfs_priv}  still in use (1) [unmount of minix loop2]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3339 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 0 PID: 3339 Comm: syz-executor.2 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #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 : ffff80001287bbc0
x29: ffff80001287bbc0 x28: ffff0000d1657d48 x27: ffff80000d471e30
x26: ffff0000d1657c30 x25: 0000000000000001 x24: ffff0000d1657d48
x23: ffff0000d1657300 x22: ffff0000ea5074e0 x21: ffff8000085e6598
x20: 0000000000000000 x19: ffff0000d1657270 x18: 00000000000000c0
x17: 657375206e69206c x16: ffff80000db49158 x15: ffff0000c598cf80
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c598cf80
x11: ff808000081c0d5c x10: 0000000000000000 x9 : 9330a5facfb79e00
x8 : 9330a5facfb79e00 x7 : ffff80000819545c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefbecd0 x1 : 0000000000000002 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+0x30/0x190 fs/super.c:473
 kill_block_super+0x30/0x78 fs/super.c:1427
 deactivate_locked_super+0x70/0xe8 fs/super.c:332
 deactivate_super+0xd0/0xd4 fs/super.c:363
 cleanup_mnt+0x1f8/0x234 fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0xc4/0x14c kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127
 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:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
irq event stamp: 8052564
hardirqs last  enabled at (8052563): [<ffff8000081befc8>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:264
hardirqs last disabled at (8052564): [<ffff80000bfb5fbc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:404
softirqs last  enabled at (8052554): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (8052427): [<ffff800008017c14>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
BUG: Dentry 00000000fe4fa640{i=0,n=.reiserfs_priv}  still in use (1) [unmount of minix loop2]
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3339 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 1 PID: 3339 Comm: syz-executor.2 Tainted: G        W          6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #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 : ffff80001287bbc0
x29: ffff80001287bbc0 x28: ffff0000d1657d48 x27: ffff80000d471e30
x26: ffff0000d1657c30 x25: 0000000000000001 x24: ffff0000d1657d48
x23: ffff0000d1657300 x22: ffff0000ea5074e0 x21: ffff8000085e6598
x20: 0000000000000000 x19: ffff0000d1657270 x18: 00000000000000c0
x17: 657375206e69206c x16: ffff80000db49158 x15: ffff0000c598cf80
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c598cf80
x11: ff808000081c0d5c x10: 0000000000000000 x9 : 9330a5facfb79e00
x8 : 9330a5facfb79e00 x7 : ffff80000819545c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefddcd0 x1 : 0000000100000003 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+0x30/0x190 fs/super.c:473
 kill_block_super+0x30/0x78 fs/super.c:1427
 deactivate_locked_super+0x70/0xe8 fs/super.c:332
 deactivate_super+0xd0/0xd4 fs/super.c:363
 cleanup_mnt+0x1f8/0x234 fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0xc4/0x14c kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127
 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:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
irq event stamp: 8052594
hardirqs last  enabled at (8052593): [<ffff8000081befc8>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:264
hardirqs last disabled at (8052594): [<ffff80000bfb5fbc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:404
softirqs last  enabled at (8052554): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (8052427): [<ffff800008017c14>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
VFS: Busy inodes after unmount of loop2. Self-destruct in 5 seconds.  Have a nice day...