Commit e4b16013 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>
(Merged from https://github.com/openssl/openssl/pull/4020)
parent a58eb06d

crypto/rand/ossl_rand.c

+1 −0
Original line number Diff line number Diff line
@@ -485,6 +485,7 @@ static int rand_bytes(unsigned char *buf, int num) 
    ASYNC_block_pause();

    if (!EVP_DigestUpdate(m, sp->md, sizeof(sp->md))

            || !EVP_DigestFinal_ex(m, sp->md, NULL)) {

        ASYNC_unblock_pause();

        CRYPTO_THREAD_unlock(rand_lock);

        goto err;

    }