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-rw-r--r--src/bsdiff-4.3/bsdiff.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/bsdiff-4.3/bsdiff.c b/src/bsdiff-4.3/bsdiff.c
index 150a7f79c488..374ed038fa1f 100644
--- a/src/bsdiff-4.3/bsdiff.c
+++ b/src/bsdiff-4.3/bsdiff.c
@@ -277,6 +277,7 @@ int main(int argc,char *argv[])
 		for(scsc=scan+=len;scan<newsize;scan++) {
 			len=search(I,old,oldsize,new+scan,newsize-scan,
 					0,oldsize,&pos);
+			if (len > 64 * 1024) break;
 
 			for(;scsc<scan+len;scsc++)
 			if((scsc+lastoffset<oldsize) &&