From c294d0abc5b62b8068af391576be87b821d2ff8b Mon Sep 17 00:00:00 2001
From: sunriseL <540729251@qq.com>
Date: Mon, 18 Aug 2025 19:34:43 +0800
Subject: [PATCH] libssh2: fix sftp_statemachine busyloop when *block=true

Closes #18311
---
 lib/vssh/libssh2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/vssh/libssh2.c b/lib/vssh/libssh2.c
index f6985ed251..ea76482394 100644
--- a/lib/vssh/libssh2.c
+++ b/lib/vssh/libssh2.c
@@ -3073,7 +3073,7 @@ static CURLcode ssh_statemachine(struct Curl_easy *data,
       break;
     }
 
-  } while(!result && (sshc->state != SSH_STOP));
+  } while(!result && (sshc->state != SSH_STOP) && !*block);
 
   if(result == CURLE_AGAIN) {
     /* we would block, we need to wait for the socket to be ready (in the
-- 
2.47.3