git: 4551ea3b3f04 - stable/15 - compat32: Zero struct to avoid stack disclosure

From: Ed Maste <emaste_at_FreeBSD.org>
Date: Fri, 20 Mar 2026 13:36:44 UTC
The branch stable/15 has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=4551ea3b3f04650cd5300a9eae8994bdb080db91

commit 4551ea3b3f04650cd5300a9eae8994bdb080db91
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2026-03-11 15:02:18 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2026-03-20 13:36:35 +0000

    compat32: Zero struct to avoid stack disclosure
    
    Reported by:    Adam Crosser, Praetorian
    Reviewed by:    philip
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D55811
    
    (cherry picked from commit 097cb4e9f0432c543c704cec712ce1cd3302335c)
---
 sys/compat/freebsd32/freebsd32_misc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/compat/freebsd32/freebsd32_misc.c b/sys/compat/freebsd32/freebsd32_misc.c
index 1064987c3abf..4ec6dd452b32 100644
--- a/sys/compat/freebsd32/freebsd32_misc.c
+++ b/sys/compat/freebsd32/freebsd32_misc.c
@@ -757,7 +757,7 @@ static int
 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
 {
 	struct freebsd32_kevent_args *uap;
-	struct kevent32	ks32[KQ_NEVENTS];
+	struct kevent32	ks32[KQ_NEVENTS] = {};
 	int i, error;
 
 	KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));