tree 0504867f21a4485ae0310d032799b4ca283b5e38
parent 914afe1fdb705fc46a8588e57e52abcd30718da5
author Gilles Peskine <Gilles.Peskine@arm.com> 1612198661 +0100
committer Gilles Peskine <Gilles.Peskine@arm.com> 1614018243 +0100

Fix mutex double-free in RSA

When MBEDTLS_THREADING_C is enabled, RSA code protects the use of the
key with a mutex. mbedtls_rsa_free() frees this mutex by calling
mbedtls_mutex_free(). This does not match the usage of
mbedtls_mutex_free(), which in general can only be done once.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>