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authorriastradh <riastradh@NetBSD.org>2023-06-20 15:22:15 +0000
committerriastradh <riastradh@NetBSD.org>2023-06-20 15:22:15 +0000
commit7b47706c015d3340bb754c9fcd3eaa710b726fd8 (patch)
treec1cbe7553b746c9098c1d3362a5a078305874e9b /sys
parent729c2744275fb978ba44f55c0f39f9b123debe79 (diff)
linux32_rt_sendsig: Memset zero before copyout.
Not sure if there's any padding here, but it's a pretty big structure, fairly likely, so let's be rather safe than sorry. XXX pullup-8 XXX pullup-9 XXX pullup-10
Diffstat (limited to 'sys')
-rw-r--r--sys/compat/linux32/arch/amd64/linux32_machdep.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/compat/linux32/arch/amd64/linux32_machdep.c b/sys/compat/linux32/arch/amd64/linux32_machdep.c
index e63619ef7b7..b85dbedda41 100644
--- a/sys/compat/linux32/arch/amd64/linux32_machdep.c
+++ b/sys/compat/linux32/arch/amd64/linux32_machdep.c
@@ -1,4 +1,4 @@
-/* $NetBSD: linux32_machdep.c,v 1.47 2021/11/01 05:07:16 thorpej Exp $ */
+/* $NetBSD: linux32_machdep.c,v 1.48 2023/06/20 15:22:15 riastradh Exp $ */
/*-
* Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
@@ -31,7 +31,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux32_machdep.c,v 1.47 2021/11/01 05:07:16 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux32_machdep.c,v 1.48 2023/06/20 15:22:15 riastradh Exp $");
#if defined(_KERNEL_OPT)
#include "opt_user_ldt.h"
@@ -195,6 +195,7 @@ linux32_rt_sendsig(const ksiginfo_t *ksi, const sigset_t *mask)
fp--;
/* Build stack frame for signal trampoline. */
+ memset(&frame, 0, sizeof(frame));
NETBSD32PTR32(frame.sf_handler, catcher);
frame.sf_sig = native_to_linux32_signo[sig];
NETBSD32PTR32(frame.sf_sip, &fp->sf_si);