From: Joseph Sutton <josephsutton@catalyst.net.nz>
Date: Mon, 7 Mar 2022 23:25:59 +0000 (+1300)
Subject: compression: Use correct values for max len and offset
X-Git-Tag: talloc-2.3.4~158
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=877f007f32d2cee8944b747be988cc062d13d5c0;p=thirdparty%2Fsamba.git

compression: Use correct values for max len and offset

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 18d0c3183a6..6233e4072ac 100644
--- a/lib/compression/lzxpress.c
+++ b/lib/compression/lzxpress.c
@@ -92,12 +92,12 @@ ssize_t lzxpress_compress(const uint8_t *uncompressed,
 
 		int32_t offset;
 
-		max_offset = MIN(0x1FFF, max_offset);
+		max_offset = MIN(0x2000, max_offset);
 
 		/* search for the longest match in the window for the lookahead buffer */
 		for (offset = 1; (uint32_t)offset <= max_offset; offset++) {
 			/* maximum len we can encode into metadata */
-			uint32_t max_len = MIN(0x1FFF, uncompressed_size - uncompressed_pos);
+			const uint32_t max_len = MIN(0xFFFF + 3, uncompressed_size - uncompressed_pos);
 
 			uint32_t len;