[gs-commits] ghostpdl branch, master, updated. jbig2dec-0.14-1798-g2793769

The ghostpdl branch, master has been updated
       via  2793769ff107d8d22dadd30c6e68cd781b569550 (commit)
      from  366ad48d076c1aa4c8f83c65011258a04e348207 (commit)

----------------------------------------------------------------------
commit 2793769ff107d8d22dadd30c6e68cd781b569550
Author: Julian Smith <[email protected]>
Date:   Mon Nov 4 12:30:33 2019 +0000

    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

diff --git a/devices/gdevpcx.c b/devices/gdevpcx.c
index 1735851..91de4ab 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)
                 gp_fputc(0xc1, file);
         } else {


Summary of changes:
 devices/gdevpcx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)