[src/trunk]: src/sys/compat/sunos32 compat_sunos32: Memset zero before copyout.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/dc517618604d
branches:  trunk
changeset: 376489:dc517618604d
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Tue Jun 20 15:21:55 2023 +0000

description:
compat_sunos32: Memset zero before copyout.

Unclear if this can leak anything but let's be on the safe side.

XXX pullup-8
XXX pullup-9
XXX pullup-10

diffstat:

 sys/compat/sunos32/sunos32_misc.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r b3ff495edb91 -r dc517618604d sys/compat/sunos32/sunos32_misc.c
--- a/sys/compat/sunos32/sunos32_misc.c Tue Jun 20 11:00:29 2023 +0000
+++ b/sys/compat/sunos32/sunos32_misc.c Tue Jun 20 15:21:55 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sunos32_misc.c,v 1.85 2021/09/07 11:43:05 riastradh Exp $      */
+/*     $NetBSD: sunos32_misc.c,v 1.86 2023/06/20 15:21:55 riastradh Exp $      */
 /* from :NetBSD: sunos_misc.c,v 1.107 2000/12/01 19:25:10 jdolecek Exp */
 
 /*
@@ -77,7 +77,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunos32_misc.c,v 1.85 2021/09/07 11:43:05 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunos32_misc.c,v 1.86 2023/06/20 15:21:55 riastradh Exp $");
 
 #define COMPAT_SUNOS 1
 
@@ -242,6 +242,7 @@ static inline void sunos32_from___stat13
 static inline void
 sunos32_from___stat13(struct stat *sbp, struct netbsd32_stat43 *sb32p)
 {
+       memset(sb32p, 0, sizeof(*sb32p));
        sb32p->st_dev = sbp->st_dev;
        sb32p->st_ino = sbp->st_ino;
        sb32p->st_mode = sbp->st_mode;