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From: "Cristian Rodríguez" <crrodriguez@opensuse.org>
To: libc-alpha@sourceware.org
Subject: [PATCH] debug: Improve error message on fdelt_chk
Date: Mon,  3 Jan 2022 22:38:51 +0000	[thread overview]
Message-ID: <20220103223851.12354-1-crrodriguez@opensuse.org> (raw)

There is really no buffer overflow, but an invalid bit on fd_set

Signed-off-by: Cristian Rodríguez <crrodriguez@opensuse.org>
---
 debug/fdelt_chk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debug/fdelt_chk.c b/debug/fdelt_chk.c
index c5f16462ad..a796688c5a 100644
--- a/debug/fdelt_chk.c
+++ b/debug/fdelt_chk.c
@@ -22,7 +22,7 @@ long int
 __fdelt_chk (long int d)
 {
   if (d < 0 || d >= FD_SETSIZE)
-    __chk_fail ();
+    __fortify_fail ("invalid bit detected on fd_set");
 
   return d / __NFDBITS;
 }
-- 
2.34.1


             reply	other threads:[~2022-01-03 22:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-03 22:38 Cristian Rodríguez [this message]
2022-01-04 17:22 ` Adhemerval Zanella
2022-01-10 18:38   ` Adhemerval Zanella
2022-01-14 14:43     ` Cristian Rodríguez

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