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authorMatt Caswell <matt@openssl.org>2021-11-11 16:59:43 +0000
committerMatt Caswell <matt@openssl.org>2021-11-15 14:51:19 +0000
commitce287b72e49a2b064550508631d638124f85e693 (patch)
treede2a1f3161a6914ff1bce233d7cb43bd4b360e78 /ssl
parent45838e536c08c74e68536501d6dc2ef9f4d499da (diff)
Reset the rwstate before calling ASYNC_start_job()
If an async job pauses while processing a TLS connection then the rwstate gets set to SSL_ASYNC_PAUSED. When resuming the job we should reset the rwstate back to SSL_NOTHING. In fact we can do this unconditionally since if we're about to call ASYNC_start_job() then either we are about to start the async job for the first time (in which case the rwstate should already by SSL_NOTHING), or we are restarting it after a pause (in which case reseting it to SSL_NOTHING is the correct action). Fixes #16809 Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/17013) (cherry picked from commit 07f620e3acf0dd76a3a03ada9911c544aa483aa7)
Diffstat (limited to 'ssl')
-rw-r--r--ssl/ssl_lib.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index ffd0a0bc6d..9c411a3293 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -1684,6 +1684,8 @@ static int ssl_start_async_job(SSL *s, struct ssl_async_args *args,
if (s->waitctx == NULL)
return -1;
}
+
+ s->rwstate = SSL_NOTHING;
switch (ASYNC_start_job(&s->job, s->waitctx, &ret, func, args,
sizeof(struct ssl_async_args))) {
case ASYNC_ERR: