BUG: Dentry 000000007740c3f3{i=0,n=.reiserfs_priv}  still in use (1) [unmount of minix loop1]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4445 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 0 PID: 4445 Comm: syz-executor.1 Not tainted 6.2.0-rc3-syzkaller-16387-g9598c377d828 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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 : ffff800010f8bbc0
x29: ffff800010f8bbc0 x28: ffff0000fcc9b730 x27: ffff80000d686a10
x26: ffff0000fcc9b618 x25: 0000000000000001 x24: ffff0000fcc9b730
x23: ffff0000fcc9b918 x22: ffff000106503138 x21: ffff80000860a188
x20: 0000000000000000 x19: ffff0000fcc9b888 x18: 00000000000000c0
x17: 657375206e69206c x16: ffff80000dd86118 x15: ffff0000fac38000
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000fac38000
x11: ff808000081cbbc8 x10: 0000000000000000 x9 : 12f246e76004cd00
x8 : 12f246e76004cd00 x7 : ffff80000c11ee8c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefbff08 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+0x30/0x198 fs/super.c:473
 kill_block_super+0x30/0x78 fs/super.c:1386
 deactivate_locked_super+0x70/0xe8 fs/super.c:332
 deactivate_super+0xd0/0xd4 fs/super.c:363
 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1291
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1298
 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:1137
 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: 7331028
hardirqs last  enabled at (7331027): [<ffff8000081c9114>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:344
hardirqs last disabled at (7331028): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (7331022): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (7330623): [<ffff800008017c90>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---
BUG: Dentry 000000007740c3f3{i=0,n=.reiserfs_priv}  still in use (1) [unmount of minix loop1]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4445 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 0 PID: 4445 Comm: syz-executor.1 Tainted: G        W          6.2.0-rc3-syzkaller-16387-g9598c377d828 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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 : ffff800010f8bbc0
x29: ffff800010f8bbc0 x28: ffff0000fcc9b730 x27: ffff80000d686a10
x26: ffff0000fcc9b618 x25: 0000000000000001 x24: ffff0000fcc9b730
x23: ffff0000fcc9b918 x22: ffff000106503138 x21: ffff80000860a188
x20: 0000000000000000 x19: ffff0000fcc9b888 x18: 00000000000000c0
x17: 657375206e69206c x16: ffff80000dd86118 x15: ffff0000fac38000
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000fac38000
x11: ff808000081cbbc8 x10: 0000000000000000 x9 : 12f246e76004cd00
x8 : 12f246e76004cd00 x7 : ffff80000c11ee8c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefbff08 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+0x30/0x198 fs/super.c:473
 kill_block_super+0x30/0x78 fs/super.c:1386
 deactivate_locked_super+0x70/0xe8 fs/super.c:332
 deactivate_super+0xd0/0xd4 fs/super.c:363
 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1291
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1298
 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:1137
 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: 7331052
hardirqs last  enabled at (7331051): [<ffff8000081c9114>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:344
hardirqs last disabled at (7331052): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (7331022): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (7330623): [<ffff800008017c90>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---
VFS: Busy inodes after unmount of loop1. Self-destruct in 5 seconds.  Have a nice day...