From db1d2b4cc9c654d18dd17c65a14de2da78bdf998 Mon Sep 17 00:00:00 2001 From: Konstantin Komarov Date: Mon, 14 Oct 2024 13:52:42 +0300 Subject: [PATCH] fs/ntfs3: Add check in ntfs_extend_initialized_size Check arguments again after lock. Signed-off-by: Konstantin Komarov --- fs/ntfs3/file.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c index f704ceef9539..0063e2351aa9 100644 --- a/fs/ntfs3/file.c +++ b/fs/ntfs3/file.c @@ -182,13 +182,15 @@ static int ntfs_extend_initialized_size(struct file *file, loff_t pos = valid; int err; + if (valid >= new_valid) + return 0; + if (is_resident(ni)) { ni->i_valid = new_valid; return 0; } WARN_ON(is_compressed(ni)); - WARN_ON(valid >= new_valid); for (;;) { u32 zerofrom, len; -- 2.50.1