diff mbox series

[f2fs-dev,2/2] f2fs: fix to check pinfile flag in f2fs_move_file_range()

Message ID 20240403142420.2042498-2-chao@kernel.org (mailing list archive)
State Accepted
Commit e07230da0500e0919a765037c5e81583b519be2c
Headers show
Series [f2fs-dev,1/2] f2fs: fix to relocate check condition in f2fs_fallocate() | expand

Commit Message

Chao Yu April 3, 2024, 2:24 p.m. UTC
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@kernel.org>
---
 fs/f2fs/file.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 83a807e25e31..0d1bcdf61a09 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2858,7 +2858,8 @@  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;
 	}