[hurd,commited] hurd: Reject raising invalid signals
Samuel Thibault
samuel.thibault@ens-lyon.org
Sat Jun 6 23:37:06 GMT 2020
* hurd/hurd-raise.c (_hurd_raise_signal): Return EINVAL if signo <= 0
or signo >= NSI.
---
hurd/hurd-raise.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hurd/hurd-raise.c b/hurd/hurd-raise.c
index d53fd417d2..af464377b6 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 ();
--
2.26.2
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