diff options
| author | Theo Buehler <tb@cvs.openbsd.org> | 2022-11-06 18:31:16 +0000 |
|---|---|---|
| committer | Theo Buehler <tb@cvs.openbsd.org> | 2022-11-06 18:31:16 +0000 |
| commit | 826be14ad189f0f2a173a207411fbbfc6998ddfa (patch) | |
| tree | 785f956eaaae31c29ce0d811cd84a6f81c7a2ab9 | |
| parent | ae7ba1ebe2f23698f517e59976869d098e9da09a (diff) | |
Document that OPENSSL_free() is required in some circumstances
BoringSSL uses the common trick of storing malloc metadata in a prefix
and then returning a pointer with an offset. Therefore callers must not
call free() but OPENSSL_free().
Reported by dropk1ck via tobhe
ok beck jsing
| -rw-r--r-- | lib/libcrypto/man/OPENSSL_malloc.3 | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/libcrypto/man/OPENSSL_malloc.3 b/lib/libcrypto/man/OPENSSL_malloc.3 index e6dba165f8e..87f8d81ed12 100644 --- a/lib/libcrypto/man/OPENSSL_malloc.3 +++ b/lib/libcrypto/man/OPENSSL_malloc.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: OPENSSL_malloc.3,v 1.9 2019/06/10 09:49:48 schwarze Exp $ +.\" $OpenBSD: OPENSSL_malloc.3,v 1.10 2022/11/06 18:31:15 tb Exp $ .\" .\" Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org> .\" @@ -14,7 +14,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: June 10 2019 $ +.Dd $Mdocdate: November 6 2022 $ .Dt OPENSSL_MALLOC 3 .Os .Sh NAME @@ -108,3 +108,7 @@ and .Fn OPENSSL_strdup first appeared in OpenSSL 0.9.8j and have been available since .Ox 4.5 . +.Sh CAVEATS +If interoperability with other implementations is required, +memory returned by the library as bare pointers must be freed with +.Fn OPENSSL_free . |