From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Mon, 4 Dec 2017 08:24:06 +0000 (+0100)
Subject: libssh: fixed dereference in statvfs access
X-Git-Tag: curl-7_58_0~111
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F2149%2Fhead;p=thirdparty%2Fcurl.git

libssh: fixed dereference in statvfs access

The behavior is now equivalent to ssh.c when SSH_SFTP_QUOTE_STATVFS
handling fails.

Fixes #2142
---

diff --git a/lib/ssh-libssh.c b/lib/ssh-libssh.c
index 1277324bfa..23f28dca44 100644
--- a/lib/ssh-libssh.c
+++ b/lib/ssh-libssh.c
@@ -998,7 +998,7 @@ static CURLcode myssh_statemach_act(struct connectdata *conn, bool *block)
         sshc->actualcode = CURLE_QUOTE_ERROR;
         break;
       }
-      else {
+      else if (statvfs) {
         char *tmp = aprintf("statvfs:\n"
                             "f_bsize: %llu\n" "f_frsize: %llu\n"
                             "f_blocks: %llu\n" "f_bfree: %llu\n"