From ed6d7413173eb6caaab948e40b53c8cdb31de061 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Wed, 23 Jul 2003 15:31:43 +0000 Subject: * java/lang/natSystem.cc (arraycopy): Check for overflow. From-SVN: r69706 --- libjava/java/lang/natSystem.cc | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'libjava/java') diff --git a/libjava/java/lang/natSystem.cc b/libjava/java/lang/natSystem.cc index e2d4232..4a08bb1 100644 --- a/libjava/java/lang/natSystem.cc +++ b/libjava/java/lang/natSystem.cc @@ -66,8 +66,10 @@ java::lang::System::arraycopy (jobject src, jint src_offset, __JArray *src_a = (__JArray *) src; __JArray *dst_a = (__JArray *) dst; if (src_offset < 0 || dst_offset < 0 || count < 0 - || src_offset + count > src_a->length - || dst_offset + count > dst_a->length) + || (unsigned jint) src_offset > (unsigned jint) src_a->length + || (unsigned jint) (src_offset + count) > (unsigned jint) src_a->length + || (unsigned jint) dst_offset > (unsigned jint) dst_a->length + || (unsigned jint) (dst_offset + count) > (unsigned jint) dst_a->length) throw new ArrayIndexOutOfBoundsException; // Do-nothing cases. -- cgit v1.1