From 6891cfac04467ff038a65a9836de9f5c27af313e Mon Sep 17 00:00:00 2001 From: nobu Date: Wed, 10 May 2017 14:25:03 +0000 Subject: gc.c: check of size in ruby_sized_xrealloc git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58652 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- gc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'gc.c') diff --git a/gc.c b/gc.c index 93209b55c0..8371772d02 100644 --- a/gc.c +++ b/gc.c @@ -7880,7 +7880,7 @@ objspace_xrealloc(rb_objspace_t *objspace, void *ptr, size_t new_size, size_t ol { void *mem; - if (!ptr) return objspace_xmalloc(objspace, new_size); + if (!ptr) return objspace_xmalloc0(objspace, new_size); /* * The behavior of realloc(ptr, 0) is implementation defined. @@ -7979,6 +7979,10 @@ ruby_xcalloc(size_t n, size_t size) void * ruby_sized_xrealloc(void *ptr, size_t new_size, size_t old_size) { + if ((ssize_t)new_size < 0) { + negative_size_allocation_error("too large allocation size"); + } + return objspace_xrealloc(&rb_objspace, ptr, new_size, old_size); } -- cgit v1.2.3