[PATCH 6.9 043/374] f2fs: fix to check pinfile flag in f2fs_move_file_range()

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6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chao Yu <chao@xxxxxxxxxx>

[ 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>
---
 fs/f2fs/file.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 357367e2cb337..2566dc8a777de 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2842,7 +2842,8 @@ 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;
 	}
-- 
2.43.0







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