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# HG changeset patch
# User Ryan C. Gordon <icculus@icculus.org>
# Date 1517113689 18000
# Node ID 45e750f92c843dccea0820d86726e9cf1d524392
# Parent d0142861559ccd4fde994fbd33c34fbdee25f84c
gif: report error on bogus LWZ data, instead of overflowing a buffer.
diff -r d0142861559c -r 45e750f92c84 IMG_gif.c
--- a/IMG_gif.c Sat Jan 27 22:50:18 2018 -0500
+++ b/IMG_gif.c Sat Jan 27 23:28:09 2018 -0500
@@ -497,8 +497,10 @@
return -3;
}
*sp++ = table[1][code];
- if (code == table[0][code])
- RWSetMsg("circular table entry BIG ERROR");
+ if (code == table[0][code]) {
+ RWSetMsg("circular table entry BIG ERROR");
+ return -3;
+ }
code = table[0][code];
}
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