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-rw-r--r--vl.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/vl.c b/vl.c
index 91d1684..bd05e39 100644
--- a/vl.c
+++ b/vl.c
@@ -2332,19 +2332,21 @@ int main(int argc, char **argv, char **envp)
len += strlen(qemu_opt_get(opts, "security_model"));
arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
- sprintf(arg_fsdev, "%s,id=%s,path=%s,security_model=%s",
- qemu_opt_get(opts, "fstype"),
- qemu_opt_get(opts, "mount_tag"),
- qemu_opt_get(opts, "path"),
- qemu_opt_get(opts, "security_model"));
+ snprintf(arg_fsdev, len * sizeof(*arg_fsdev),
+ "%s,id=%s,path=%s,security_model=%s",
+ qemu_opt_get(opts, "fstype"),
+ qemu_opt_get(opts, "mount_tag"),
+ qemu_opt_get(opts, "path"),
+ qemu_opt_get(opts, "security_model"));
len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
- sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
- qemu_opt_get(opts, "mount_tag"),
- qemu_opt_get(opts, "mount_tag"));
+ snprintf(arg_9p, len * sizeof(*arg_9p),
+ "virtio-9p-pci,fsdev=%s,mount_tag=%s",
+ qemu_opt_get(opts, "mount_tag"),
+ qemu_opt_get(opts, "mount_tag"));
if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
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