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Merge pull request #525 from ailin-nemui/issue522

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fix use after free in expando error
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ailin-nemui 2016-08-14 23:35:23 +02:00 committed by GitHub
commit c284309d36
1 changed files with 6 additions and 3 deletions
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9
src/perl/common/Expando.xs
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@ -74,15 +74,18 @@ static char *perl_expando_event(PerlExpando *rec, SERVER_REC *server,
ret = NULL;
if (SvTRUE(ERRSV)) {
PERL_SCRIPT_REC *script = rec->script;
(void) POPs;
/* call putback before emitting script error signal as that
* could manipulate the perl stack. */
PUTBACK;
/* make sure we don't get back here */
if (rec->script != NULL)
script_unregister_expandos(rec->script);
if (script != NULL)
script_unregister_expandos(script);
/* rec has been freed now */
signal_emit("script error", 2, rec->script, SvPV_nolen(ERRSV));
signal_emit("script error", 2, script, SvPV_nolen(ERRSV));
} else if (retcount > 0) {
ret = g_strdup(POPp);
*free_ret = TRUE;