From: Bernd Schubert <bschubert@ddn.com>
Date: Sat, 6 Apr 2024 13:19:33 +0000 (+0200)
Subject: fusermount: Fix use of uninitialized x_mnt_opts (#924)
X-Git-Tag: fuse-3.17.1-rc0~133
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=20de66dc898002b9315192a5095a3dcd4f6ec248;p=qemu-gpiodev%2Flibfuse.git

fusermount: Fix use of uninitialized x_mnt_opts (#924)

x_mnt_opts was not initialized to 0, but strncat was done

Spotted by cppcheck running on our ddn branch.
---

diff --git a/util/fusermount.c b/util/fusermount.c
index 5716c76..a031763 100644
--- a/util/fusermount.c
+++ b/util/fusermount.c
@@ -1255,7 +1255,7 @@ static int mount_fuse(const char *mnt, const char *opts, const char **type)
 			size_t mnt_opts_len = strlen(mnt_opts);
 			size_t x_mnt_opts_len =  mnt_opts_len+
 						 strlen(x_opts) + 2;
-			char *x_mnt_opts = malloc(x_mnt_opts_len);
+			char *x_mnt_opts = calloc(1, x_mnt_opts_len);
 
 			if (mnt_opts_len) {
 				strcpy(x_mnt_opts, mnt_opts);