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Deprecate most of debug-memory

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Fixes #8322

The leak-checking (and backtrace option, on some platforms) provided
by crypto-mdebug and crypto-mdebug-backtrace have been mostly neutered;
only the "make malloc fail" capability remains.  OpenSSL recommends using
the compiler's leak-detection instead.

The OPENSSL_DEBUG_MEMORY environment variable is no longer used.
CRYPTO_mem_ctrl(), CRYPTO_set_mem_debug(), CRYPTO_mem_leaks(),
CRYPTO_mem_leaks_fp() and CRYPTO_mem_leaks_cb() return a failure code.
CRYPTO_mem_debug_{malloc,realloc,free}() have been removed.  All of the
above are now deprecated.

Merge (now really small) mem_dbg.c into mem.c

Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10572)
This commit is contained in:
Rich Salz 2019-12-04 13:15:08 -05:00 • committed by Richard Levitte
parent 4e3ee452d0
commit 742ccab318
28 changed files with 113 additions and 774 deletions
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@ -41,6 +41,10 @@
(CVE-2019-1551)
[Andy Polyakov]
*) Most memory-debug features have been deprecated, and the functionality
replaced with no-ops.
[Rich Salz]
*) Introduced a new method type and API, OSSL_SERIALIZER, to
represent generic serializers. An implementation is expected to
be able to serialize an object associated with a given name (such