From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 6 Oct 2025 07:38:30 +0000 (+0200)
Subject: libssh2: clarify that sshp->path is always at least one byte
X-Git-Tag: rc-8_17_0-2~233
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d4c033267740d8b2e65520c89f2c5b4e5a5ee174;p=thirdparty%2Fcurl.git

libssh2: clarify that sshp->path is always at least one byte

Reported-by: Joshua Rogers
Closes #18864
---

diff --git a/lib/vssh/curl_path.c b/lib/vssh/curl_path.c
index 021e85faf8..7a0e5bffef 100644
--- a/lib/vssh/curl_path.c
+++ b/lib/vssh/curl_path.c
@@ -100,6 +100,7 @@ CURLcode Curl_getworkingpath(struct Curl_easy *data,
   }
   else
     *path = working_path;
+  DEBUGASSERT(*path && (*path)[0]);
 
   return CURLE_OK;
 }
diff --git a/lib/vssh/ssh.h b/lib/vssh/ssh.h
index 9a5f1b7e31..e09111e63f 100644
--- a/lib/vssh/ssh.h
+++ b/lib/vssh/ssh.h
@@ -120,7 +120,7 @@ typedef enum {
    Everything that is strictly related to a connection is banned from this
    struct. */
 struct SSHPROTO {
-  char *path;                  /* the path we operate on */
+  char *path;        /* the path we operate on, at least one byte long */
 #ifdef USE_LIBSSH2
   struct dynbuf readdir_link;
   struct dynbuf readdir;