From: Joshua Rogers <MegaManSec@users.noreply.github.com>
Date: Wed, 17 Sep 2025 22:43:11 +0000 (+0500)
Subject: socks_sspi: restore non-blocking socket on error paths
X-Git-Tag: rc-8_17_0-1~362
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4e74b9f592b7e0775800f212052c18c44128f89b;p=thirdparty%2Fcurl.git

socks_sspi: restore non-blocking socket on error paths

Closes #18592
---

diff --git a/lib/socks_sspi.c b/lib/socks_sspi.c
index 49210585b0..c106fec0c8 100644
--- a/lib/socks_sspi.c
+++ b/lib/socks_sspi.c
@@ -559,6 +559,7 @@ CURLcode Curl_SOCKS5_gssapi_negotiate(struct Curl_cfilter *cf,
   */
   return CURLE_OK;
 error:
+  (void)curlx_nonblock(sock, TRUE);
   free(service_name);
   Curl_pSecFn->FreeCredentialsHandle(&cred_handle);
   Curl_pSecFn->DeleteSecurityContext(&sspi_context);