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| author | Jeremy Evans <code@jeremyevans.net> | 2022-01-04 09:13:19 -0800 |
|---|---|---|
| committer | Jeremy Evans <code@jeremyevans.net> | 2022-01-04 10:03:18 -0800 |
| commit | 9e0a91d0640600f2dfd7fc1d5fae6667019c9ca5 (patch) | |
| tree | fb855c6b00e7bcf60f2f4d28342ad776c2fcbc01 /error.c | |
| parent | e7806049c06f8e5a122d48b5454796c6ae6acac1 (diff) | |
| download | ruby-9e0a91d0640600f2dfd7fc1d5fae6667019c9ca5.tar.gz | |
Don't segfault if Warning.warn is undefined
Check that there is a method entry for the method before passing
it to rb_method_entry_arity.
Fixes [Bug #18458]
Diffstat (limited to 'error.c')
| -rw-r--r-- | error.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -317,7 +317,8 @@ rb_warning_warn(VALUE mod, VALUE str) static int rb_warning_warn_arity(void) { - return rb_method_entry_arity(rb_method_entry(rb_singleton_class(rb_mWarning), id_warn)); + const rb_method_entry_t *me = rb_method_entry(rb_singleton_class(rb_mWarning), id_warn); + return me ? rb_method_entry_arity(me) : 1; } static VALUE |