The number of new arguments is (i + argc - 1) as it is set to *p_argc one line below. The correct location of NULL termination is new_argv[i + argc - 1]. Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> --- tools/modprobe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/modprobe.c b/tools/modprobe.c index 9387537..b6b2947 100644 --- a/tools/modprobe.c +++ b/tools/modprobe.c @@ -743,7 +743,7 @@ static char **prepend_options_from_env(int *p_argc, char **orig_argv) } memcpy(new_argv + i, orig_argv + 1, sizeof(char *) * (argc - 1)); - new_argv[i + argc] = NULL; + new_argv[i + argc - 1] = NULL; *p_argc = i + argc - 1; return new_argv; -- 2.32.0
