This is a note to let you know that I've just added the patch titled
f2fs: fix to check pinfile flag in f2fs_move_file_range()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
f2fs-fix-to-check-pinfile-flag-in-f2fs_move_file_ran.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 505483ba700e0da79da838ba3af3328fdca320a1
Author: Chao Yu <chao@xxxxxxxxxx>
Date: Wed Apr 3 22:24:20 2024 +0800
f2fs: fix to check pinfile flag in f2fs_move_file_range()
[ Upstream commit e07230da0500e0919a765037c5e81583b519be2c ]
ioctl(F2FS_IOC_MOVE_RANGE) can truncate or punch hole on pinned file,
fix to disallow it.
Fixes: 5fed0be8583f ("f2fs: do not allow partial truncation on pinned file")
Signed-off-by: Chao Yu <chao@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 39002f3c3f8a7..f10156aecf425 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2790,7 +2790,8 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
goto out;
}
- if (f2fs_compressed_file(src) || f2fs_compressed_file(dst)) {
+ if (f2fs_compressed_file(src) || f2fs_compressed_file(dst) ||
+ f2fs_is_pinned_file(src) || f2fs_is_pinned_file(dst)) {
ret = -EOPNOTSUPP;
goto out_unlock;
}
