From: Joseph Sutton <josephsutton@catalyst.net.nz>
Date: Mon, 7 Mar 2022 07:30:42 +0000 (+1300)
Subject: compression: Add range check for indic_pos
X-Git-Tag: talloc-2.3.4~168
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f3f1ba5b4d45085a8aacc72f77b5a7d239a9cb2;p=thirdparty%2Fsamba.git

compression: Add range check for indic_pos

This now matches the other use of indic_pos.

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
---

diff --git a/lib/compression/lzxpress.c b/lib/compression/lzxpress.c
index b7b365f165c..18e4903392b 100644
--- a/lib/compression/lzxpress.c
+++ b/lib/compression/lzxpress.c
@@ -196,6 +196,7 @@ ssize_t lzxpress_compress(const uint8_t *uncompressed,
 			if (indic_bit == 32) {
 				PUSH_LE_U32(compressed, indic_pos, indic);
 				indic_bit = 0;
+				CHECK_OUTPUT_BYTES(sizeof(uint32_t));
 				indic_pos = compressed_pos;
 				compressed_pos += sizeof(uint32_t);
 			}