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-rw-r--r--tools/fit_check_sign.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/fit_check_sign.c b/tools/fit_check_sign.c
index d6d9340..817773d 100644
--- a/tools/fit_check_sign.c
+++ b/tools/fit_check_sign.c
@@ -42,12 +42,13 @@ int main(int argc, char **argv)
void *fit_blob;
char *fdtfile = NULL;
char *keyfile = NULL;
- char cmdname[50];
+ char cmdname[256];
int ret;
void *key_blob;
int c;
- strcpy(cmdname, *argv);
+ strncpy(cmdname, *argv, sizeof(cmdname) - 1);
+ cmdname[sizeof(cmdname) - 1] = '\0';
while ((c = getopt(argc, argv, "f:k:")) != -1)
switch (c) {
case 'f':