Commit a4110310 authored by Emeric Brun's avatar Emeric Brun Committed by Benjamin Kaduk
Browse files

Fix async engine pause dead lock in error case. 



In 'crypto/rand/ossl_rand.c', a call to
'ASYNC_unblock_pause()' is missing in an error case.

CLA: trivial

Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
Reviewed-by: default avatarBen Kaduk <kaduk@mit.edu>

(cherry picked from commit e4b16013)

(Merged from https://github.com/openssl/openssl/pull/4024)
parent eea5f335

crypto/rand/md_rand.c

+1 −0
Original line number Diff line number Diff line
@@ -492,6 +492,7 @@ static int rand_bytes(unsigned char *buf, int num, int pseudo) 
     */

    ASYNC_block_pause();

    if (!MD_Update(m, md, MD_DIGEST_LENGTH) || !MD_Final(m, md)) {

        ASYNC_unblock_pause();

        CRYPTO_THREAD_unlock(rand_lock);

        goto err;

    }