[PATCH] fs/ntfs3: increase CLIENT_REC name field size

[PATCH] fs/ntfs3: increase CLIENT_REC name field size

[Konstantin Komarov]

This patch increases the size of the CLIENT_REC name field from 32 utf-16
chars to 64 utf-16 chars. It fixes the buffer overflow problem in
log_replay() reported by Robbert Morris.

Reported-by: <rtm@csail.mit.edu>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
---
 fs/ntfs3/fslog.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c
index 272e45276143..10dbe9922bf1 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -45,10 +45,10 @@ struct CLIENT_REC {
 	__le16 seq_num;     // 0x14:
 	u8 align[6];        // 0x16:
 	__le32 name_bytes;  // 0x1C: In bytes.
-	__le16 name[32];    // 0x20: Name of client.
+	__le16 name[64];    // 0x20: Name of client.
 };
 
-static_assert(sizeof(struct CLIENT_REC) == 0x60);
+static_assert(sizeof(struct CLIENT_REC) == 0xa0);
 
 /* Two copies of these will exist at the beginning of the log file */
 struct RESTART_AREA {
-- 
2.43.0