Module Name: src
Committed By: riastradh
Date: Fri Jul 1 01:07:57 UTC 2022
Modified Files:
src/sys/kern: kern_ktrace.c
Log Message:
ktrace(9): Zero-initialize padding for ktr_psig records.
Reported-by: syzbot+03fbfa20e6c7a3919...@syzkaller.appspotmail.com
To generate a diff of this commit:
cvs rdiff -u -r1.181 -r1.182 src/sys/kern/kern_ktrace.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/kern_ktrace.c
diff -u src/sys/kern/kern_ktrace.c:1.181 src/sys/kern/kern_ktrace.c:1.182
--- src/sys/kern/kern_ktrace.c:1.181 Wed Jun 29 22:10:43 2022
+++ src/sys/kern/kern_ktrace.c Fri Jul 1 01:07:56 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_ktrace.c,v 1.181 2022/06/29 22:10:43 riastradh Exp $ */
+/* $NetBSD: kern_ktrace.c,v 1.182 2022/07/01 01:07:56 riastradh Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008, 2020 The NetBSD Foundation, Inc.
@@ -61,7 +61,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_ktrace.c,v 1.181 2022/06/29 22:10:43 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_ktrace.c,v 1.182 2022/07/01 01:07:56 riastradh Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -790,6 +790,7 @@ ktr_psig(int sig, sig_t action, const si
if (ktealloc(&kte, (void *)&kbuf, l, KTR_PSIG, sizeof(*kbuf)))
return;
+ memset(&kbuf->kp, 0, sizeof(kbuf->kp));
kbuf->kp.signo = (char)sig;
kbuf->kp.action = action;
kbuf->kp.mask = *mask;
