syzbot reported memory leak in ntfs_fill_super(). ntfs_fill_super() calls
wnd_init() and this allocates memory. So, we need to free those memory on the
error handling path in ntfs_fill_super().
Fixes: 82cae269cfa9 ("fs/ntfs3: Add initialization of super block")
Reported-and-tested-by: syzbot+9ccdd15480e9d9833822@xxxxxxxxxxxxxxxxxxxxxxxxx
Closes: https://syzkaller.appspot.com/bug?extid=9ccdd15480e9d9833822
Signed-off-by: Shigeru Yoshida <syoshida@xxxxxxxxxx>
---
fs/ntfs3/super.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index cfec5e0c7f66..a9610f5f4cc0 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -1563,6 +1563,13 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
iput(inode);
out:
kfree(boot2);
+
+ if (sbi->mft.bitmap.inited)
+ wnd_close(&sbi->mft.bitmap);
+
+ if (sbi->used.bitmap.inited)
+ wnd_close(&sbi->used.bitmap);
+
return err;
}
--
2.41.0
