linux-kernel - [PATCH] seccomp: Fix setting number of loaded filters

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Message-Id: <20210810125158.329849-1-wiktorg@google.com>
Date:   Tue, 10 Aug 2021 14:51:58 +0200
From:   Wiktor Garbacz <wiktorg@...gle.com>
To:     Kees Cook <keescook@...omium.org>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>
Cc:     linux-kernel@...r.kernel.org, Wiktor Garbacz <wiktorg@...gle.com>
Subject: [PATCH] seccomp: Fix setting number of loaded filters

The value is only reported through procfs so this
is purely cosmetic.

Signed-off-by: Wiktor Garbacz <wiktorg@...gle.com>
---
 kernel/seccomp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/seccomp.c b/kernel/seccomp.c
index 057e17f3215d..6469eca8078c 100644
--- a/kernel/seccomp.c
+++ b/kernel/seccomp.c
@@ -602,7 +602,7 @@ static inline void seccomp_sync_threads(unsigned long flags)
 		smp_store_release(&thread->seccomp.filter,
 				  caller->seccomp.filter);
 		atomic_set(&thread->seccomp.filter_count,
-			   atomic_read(&thread->seccomp.filter_count));
+			   atomic_read(&caller->seccomp.filter_count));
 
 		/*
 		 * Don't let an unprivileged task work around
-- 
2.32.0.605.g8dce9f2422-goog