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eval.c: check tag value

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* eval.c (rb_jump_tag): paranoiac check of tag value.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51295 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-07-19 00:25:45 +00:00
parent f10eb2c363
commit 34e61ca92b
2 changed files with 7 additions and 1 deletions
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3
eval.c
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@ -755,6 +755,9 @@ rb_raise_jump(VALUE mesg, VALUE cause)
void void
rb_jump_tag(int tag) rb_jump_tag(int tag)
{ {
if (UNLIKELY(tag < TAG_RETURN || tag > TAG_FATAL)) {
unknown_longjmp_status(tag);
}
JUMP_TAG(tag); JUMP_TAG(tag);
} }

5
eval_error.c
View File

@ -258,6 +258,9 @@ sysexit_status(VALUE err)
return NUM2INT(st); return NUM2INT(st);
} }
#define unknown_longjmp_status(status) \
rb_bug("Unknown longjmp status %d", status)
static int static int
error_handle(int ex) error_handle(int ex)
{ {
@ -314,7 +317,7 @@ error_handle(int ex)
error_print(); error_print();
break; break;
default: default:
rb_bug("Unknown longjmp status %d", ex); unknown_longjmp_status(ex);
break; break;
} }
rb_threadptr_reset_raised(th); rb_threadptr_reset_raised(th);