From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat, 6 Jun 2020 23:35:18 +0000 (+0200)
Subject: hurd: Reject raising invalid signals
X-Git-Tag: glibc-2.32~250
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=785ec62dbd37b0b236c9a7fcc0ac71a2aeb472de;p=thirdparty%2Fglibc.git

hurd: Reject raising invalid signals

* hurd/hurd-raise.c (_hurd_raise_signal): Return  EINVAL if signo <= 0
or signo >= NSI.
---

diff --git a/hurd/hurd-raise.c b/hurd/hurd-raise.c
index d53fd417d22..af464377b61 100644
--- a/hurd/hurd-raise.c
+++ b/hurd/hurd-raise.c
@@ -28,6 +28,9 @@ int
 _hurd_raise_signal (struct hurd_sigstate *ss,
 		    int signo, const struct hurd_signal_detail *detail)
 {
+  if (signo <= 0 || signo >= NSIG)
+    return EINVAL;
+
   if (ss == NULL)
     {
       ss = _hurd_self_sigstate ();