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From: Siddhesh Poyarekar <siddhesh@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc] debug: Improve fdelt_chk error message Date: Mon, 28 Mar 2022 13:42:47 +0000 (GMT) [thread overview] Message-ID: <20220328134247.313FA385781A@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=811c635dbae42a0ced67d2bffa8ad68b58d6e44e commit 811c635dbae42a0ced67d2bffa8ad68b58d6e44e Author: Cristian Rodríguez <crrodriguez@opensuse.org> Date: Sun Mar 13 18:40:24 2022 +0000 debug: Improve fdelt_chk error message It is not a "buffer overflow detected" but an out of range bit on fd_set Signed-off-by: Cristian Rodríguez <crrodriguez@opensuse.org> Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org> Diff: --- debug/fdelt_chk.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/debug/fdelt_chk.c b/debug/fdelt_chk.c index c5f16462ad..30f5a4bec1 100644 --- a/debug/fdelt_chk.c +++ b/debug/fdelt_chk.c @@ -15,6 +15,7 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ +#include <stdio.h> #include <sys/select.h> @@ -22,7 +23,7 @@ long int __fdelt_chk (long int d) { if (d < 0 || d >= FD_SETSIZE) - __chk_fail (); + __fortify_fail ("bit out of range 0 - FD_SETSIZE on fd_set"); return d / __NFDBITS; }
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