ntfs3: Fix memory leak in ntfs_fill_super()

PATCH New Siddh Raman Pant 1 participant 1 message Sep 14, 2022

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Stable branch NTFS3 filesystem

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Siddh Raman Pant

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2022-09-14 11:17 UTC #0 lore raw

PATCH 1/1 ntfs3: Fix memory leak in ntfs_fill_super()

Mount options ptr wasn't freed before putting the superblock in ntfs_fill_super(), which resulted in a memory leak.

Bug report: https://syzkaller.appspot.com/bug?id=332ba47915d0e39e94b42a622f195f0804ecb67f

Fixes 9b75450d6c58 ("fs/ntfs3: Fix memory leak if fill_super failed")

Reported-and-tested-by [email protected]

Cc [email protected] # 5.15

Signed-off-by Siddh Raman Pant <[email protected]>

---
 fs/ntfs3/super.c | 1 +
 1 file changed, 1 insertion(+)

fs/ntfs3/super.c +1 -0

index 47012c9bf505..c0e45f170701 100644
@@ -1281,6 +1281,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	 * Free resources here.
 	 * ntfs_fs_free will be called with fc->s_fs_info = NULL
 	 */
+	put_mount_options(sbi->options);
 	put_ntfs(sbi);
 	sb->s_fs_info = NULL;

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2.35.1