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Fix possible out-of-bounds access

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Nobuyoshi Nakada 2024-01-13 20:33:33 +09:00
parent ccd45a1399
commit 9ba2558b76
1 changed files with 1 additions and 1 deletions
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ruby.c
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@ -2487,7 +2487,7 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
static void
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");
}
}