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pgcrypto: fix memset() calls that might be optimized away

Browse Source 
Specifically, on-stack memset() might be removed, so:

	* Replace memset() with px_memset()
	* Add px_memset to copy_crlf()
	* Add px_memset to pgp-s2k.c

Patch by Marko Kreen

Report by PVS-Studio

Backpatch through 8.4.
This commit is contained in:
Bruce Momjian
2014-04-17 12:37:53 -04:00
parent 83defef8c7
commit 9fe55259fd
22 changed files with 82 additions and 67 deletions
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4
contrib/pgcrypto/openssl.c
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@ -142,7 +142,7 @@ EVP_MD_CTX_init(EVP_MD_CTX *ctx)
static int
EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx)
{
memset(ctx, 0, sizeof(*ctx));
px_memset(ctx, 0, sizeof(*ctx));
return 1;
}
@ -381,7 +381,7 @@ gen_ossl_free(PX_Cipher *c)
{
ossldata *od = (ossldata *) c->ptr;
memset(od, 0, sizeof(*od));
px_memset(od, 0, sizeof(*od));
px_free(od);
px_free(c);
}