diff options
| author | Rami Ylimäki <rami.ylimaki@vincit.fi> | 2011-10-04 12:25:26 +0300 |
|---|---|---|
| committer | Jeremy Huddleston <jeremyhu@apple.com> | 2011-11-18 11:26:02 -0800 |
| commit | c1bb8f43b9290c2b18a9f0ac59773ff8f1eb974f (patch) | |
| tree | 8592b42f3c19f75b64ce0e7ebd6061df1dd010a7 /include/os.h | |
| parent | 1f5baa924a5907978f564372265d9830ac72a077 (diff) | |
record: Prevent out of bounds access when recording a reply.
Any pad bytes in replies are written to the client from a zeroed
array. However, record extension tries to incorrectly access the pad
bytes from the end of reply data.
Signed-off-by: Rami Ylimäki <rami.ylimaki@vincit.fi>
Reviewed-by: Erkki Seppälä <erkki.seppala@vincit.fi>
Diffstat (limited to 'include/os.h')
| -rw-r--r-- | include/os.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/os.h b/include/os.h index b489211ab..823fe5d29 100644 --- a/include/os.h +++ b/include/os.h @@ -451,9 +451,10 @@ extern _X_EXPORT CallbackListPtr ReplyCallback; typedef struct { ClientPtr client; const void *replyData; - unsigned long dataLenBytes; + unsigned long dataLenBytes; /* actual bytes from replyData + pad bytes */ unsigned long bytesRemaining; Bool startOfReply; + unsigned long padBytes; /* pad bytes from zeroed array */ } ReplyInfoRec; /* stuff for FlushCallback */ |