Fix possible out-of-bounds access

This commit is contained in:
Nobuyoshi Nakada 2024-01-13 20:33:33 +09:00
parent ccd45a1399
commit 9ba2558b76

2
ruby.c
View File

@ -2487,7 +2487,7 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
static void static void
warn_cr_in_shebang(const char *str, long len) warn_cr_in_shebang(const char *str, long len)
{ {
if (str[len-1] == '\n' && str[len-2] == '\r') { if (len > 1 && str[len-1] == '\n' && str[len-2] == '\r') {
rb_warn("shebang line ending with \\r may cause problems"); rb_warn("shebang line ending with \\r may cause problems");
} }
} }