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* [glibc/vineet/upstream-work] hurd: Reject raising invalid signals
@ 2020-06-19 2:43 Vineet Gupta
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From: Vineet Gupta @ 2020-06-19 2:43 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=785ec62dbd37b0b236c9a7fcc0ac71a2aeb472de
commit 785ec62dbd37b0b236c9a7fcc0ac71a2aeb472de
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun Jun 7 01:35:18 2020 +0200
hurd: Reject raising invalid signals
* hurd/hurd-raise.c (_hurd_raise_signal): Return EINVAL if signo <= 0
or signo >= NSI.
Diff:
---
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 ();
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