From: Stefan Eissing <stefan@eissing.org>
Date: Fri, 28 Nov 2025 13:05:34 +0000 (+0100)
Subject: libssh: fix state machine loop to progress as it should
X-Git-Tag: rc-8_18_0-1~98
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b06cd929bd9bdda2fe4dfced73a60bd503be6155;p=thirdparty%2Fcurl.git

libssh: fix state machine loop to progress as it should
---

diff --git a/lib/vssh/libssh.c b/lib/vssh/libssh.c
index 2b605e4a61..d0f3d3de5c 100644
--- a/lib/vssh/libssh.c
+++ b/lib/vssh/libssh.c
@@ -2408,7 +2408,9 @@ static CURLcode myssh_statemach_act(struct Curl_easy *data,
       break;
 
     }
-  } while(!rc && (sshc->state != SSH_STOP));
+    /* break the loop only on STOP or SSH_AGAIN. If `rc` is some
+     * other error code, we will have progressed the state accordingly. */
+  } while((rc != SSH_AGAIN) && (sshc->state != SSH_STOP));
 
   if(rc == SSH_AGAIN) {
     /* we would block, we need to wait for the socket to be ready (in the