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ext/zlib/zlib.c (zlib_mem_alloc): check overflow

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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normal 2014-09-17 07:26:12 +00:00
parent 842e0b05ea
commit f5e06db39c
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ChangeLog
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@ -1,3 +1,7 @@
Wed Sep 17 16:22:58 2014 Eric Wong <e@80x24.org>
* ext/zlib/zlib.c (zlib_mem_alloc): check overflow
Wed Sep 17 11:33:35 2014 Laurent Arnoud <laurent@spkdev.net>
* test/fiddle/test_import.rb (Fiddle::TestImport#test_sizeof):

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ext/zlib/zlib.c
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@ -584,7 +584,7 @@ struct zstream_run_args {
static voidpf
zlib_mem_alloc(voidpf opaque, uInt items, uInt size)
{
voidpf p = xmalloc(items * size);
voidpf p = xmalloc2(items, size);
/* zlib FAQ: Valgrind (or some similar memory access checker) says that
deflate is performing a conditional jump that depends on an
uninitialized value. Isn't that a bug?