From nobody Fri Sep 25 17:00:46 2026 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hrxmG4wW2z6tfcQ for ; Fri, 25 Sep 2026 17:00:46 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hrxmG2nq2z4Vbs for ; Fri, 25 Sep 2026 17:00:46 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1790355646; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=gzpOnILC2Xl7qpV6adKW15Air2e051soSdVvruWs+l4=; b=utjSTyZl/U2vABq1VgzWQLmXl9mIbQgUKfw8oSJAQpv8NI+mFVvgA0TNfN1gITZ0slB1Ey LSXRF51PbXP0U37gQhZ6CqCW2/vxy5C4P7pJYPeBOFX4Oyt2Awp2Gsgb9FiPESiExamwFc Pwc0RbNAOpBrH5NoPFAGPQ7EPg/IXi9BFxlQcfvLqyjAzuy/qPUoqM+HSNqrNv0ws1hSic bXXliRC5UQ13AHo3uYAcqweVaLeO4l8QkWZC8Cm536l99GN1SEgkuUIVTeDoSBSRuAUoZ3 JKZo+Mo4GIDonbKnj9k78WBgwC04usZIRJjfRl7loHIX2yzMqnCjwUZ11fegoA== ARC-Seal: i=1; a=rsa-sha256; d=freebsd.org; s=dkim; cv=none; t=1790355646; b=eZ8x5jWZHvbUUf/CzVy/I2pg6+FLyTSRp3MMm6wPeBmY7AyYG59M2rtcF8hzcpjJ22b9ir s4x64t+RLs/2vMUdwZFI7XAp0+3/hXN3KOz+Y4jFTCYNyLS8R9sbELpnIf+AFfqz2UoZQ1 jiIvEKzgAdGUdPT9ti7HyhM4C+/4u35tb0QNIK8ng9jkMftOXB+CuMPAIpV5vq0UPAOHTO 9QIT3UDw7CHVgH+oUNnU5E6eYaY5/7a+NKUVLi7l7iZmICDPx7zOJC9uSgBNtaa0DcC1Ch lmaAs7xjhPGH4a3J0ya+1++X85Rjx2avGswER93nEcVT481WlFMupJX9qXQd8Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1790355646; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=gzpOnILC2Xl7qpV6adKW15Air2e051soSdVvruWs+l4=; b=HIiFNJGnNMa/Os6GAxsbTUA0/BXto1Zc+iZOQMZCj5cwiyuqIS6wyRIGbCn8iqJoE0rOrV i4djlGMJKwBoA8m6qqgxaSWblXbs6JcpzkksawEiVuLzSN8G8nj490g6BEVsL16ZwysG9r L9mY9HhgwWr+VlnvJQQifY1XwENs1yXHUb3vwW5EcAkyl3gO3Xmgp8MhHfnnUFpX9vA+Vs iQebNGxL3oo/D1G//zzcOgBb8vX+GMyQViwmDvXrzlNYPcDVBTi+TO+WEMBGZCPNx9FqAH jcKv5HscTbT6G3XAuc19pp0/cTYK1xfmhKeoUrBTRjUPmzOJK+W0x1MbKMEoRQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hrxmG1q5MzJl2 for ; Fri, 25 Sep 2026 17:00:46 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 1df09 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 25 Sep 2026 17:00:46 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mark Johnston Subject: git: 0aa055edc172 - main - kasan: Fix the annotation for shadow map checks in atomic_load_* List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 0aa055edc17267c6e971d29cabeffed0b1c59c32 Auto-Submitted: auto-generated Date: Fri, 25 Sep 2026 17:00:46 +0000 Message-Id: <6ab6a8be.1df09.b606580@gitrepo.freebsd.org> The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=0aa055edc17267c6e971d29cabeffed0b1c59c32 commit 0aa055edc17267c6e971d29cabeffed0b1c59c32 Author: Mark Johnston AuthorDate: 2026-09-25 15:19:30 +0000 Commit: Mark Johnston CommitDate: 2026-09-25 16:50:41 +0000 kasan: Fix the annotation for shadow map checks in atomic_load_* atomic_load_* is a read, not a write. Otherwise KASAN will report a use-after-free via atomic_load_* as a write rather than a read. MFC after: 1 week Sponsored by: The FreeBSD Foundation --- sys/kern/subr_asan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/subr_asan.c b/sys/kern/subr_asan.c index 32f46acb5304..b42b6561e3f5 100644 --- a/sys/kern/subr_asan.c +++ b/sys/kern/subr_asan.c @@ -761,7 +761,7 @@ kasan_casueword(volatile u_long *base, u_long oldval, u_long *oldvalp, #define _ASAN_ATOMIC_FUNC_LOAD(name, type) \ type kasan_atomic_load_##name(const volatile type *ptr) \ { \ - kasan_shadow_check((uintptr_t)ptr, sizeof(type), true, \ + kasan_shadow_check((uintptr_t)ptr, sizeof(type), false, \ __RET_ADDR); \ return (atomic_load_##name(ptr)); \ }