From 2793769ff107d8d22dadd30c6e68cd781b569550 Mon Sep 17 00:00:00 2001 From: Julian Smith Date: Mon, 4 Nov 2019 12:30:33 +0000 Subject: [PATCH] Bug 701819: fixed ordering in if expression to avoid out-of-bounds access. Fixes: ./sanbin/gs -dBATCH -dNOPAUSE -r965 -sOutputFile=tmp -sDEVICE=pcx16 ../bug-701819.pdf --- devices/gdevpcx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/devices/gdevpcx.c b/devices/gdevpcx.c index 1735851d2..91de4abb6 100644 --- a/devices/gdevpcx.c +++ b/devices/gdevpcx.c @@ -442,7 +442,7 @@ pcx_write_rle(const byte * from, const byte * end, int step, gp_file * file) byte data = *from; from += step; - if (data != *from || from == end) { + if (from >= end || data != *from) { if (data >= 0xc0) putc(0xc1, file); } else { -- 2.41.0