From nobody Thu Oct 22 17:31:43 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 4j9Y9d1Dgnz6xP8M for ; Thu, 22 Oct 2026 17:31:49 +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) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 4j9Y9c5wWLz3GV3 for ; Thu, 22 Oct 2026 17:31:48 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1792690308; 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=8RP2ZZlXY65OaJO/MFL1enz7jGPZ88UOnry0NOVswyw=; b=h2JI//GC2Bm9BhFljlkRfXBbWk7kCrYzVIJxSCsIgFKo2h0hUXFv4yEnpZYFlobxT/GnaX dTf5NRGFfkDqdzcoP4cp6akDQnWCyqvmOsMLLty7nlOjlHMcTUlryippqqJm7tU07An7jp dbfmOyW2fjAl/0jVQCrK873C4i+9++OkPpMTrpo7Pxoy0FQcT61Wb5ZD13ji3+rpDyGkab K9quzrLHhWN0Or2SiW6vOX+ZYC9VYMmtivvMO14MnBxenMKE6Lc03nZmtrrjRhg3R857Cx 9RG1D2ZkMmD0BYw4x6wAO0/PETQqAkacVhWPFTWqQhSR0b141W3bc2KdPk9Uug== ARC-Seal: i=1; a=rsa-sha256; d=freebsd.org; s=dkim; cv=none; t=1792690308; b=TbOPULjbcpBYjACFOtySMtGeV5vMx/XIRAIMD8YJUo99mm/HHgPjXJS8LSnJ3XG/R1Rl5P g1jWltRceHgjG/NmUYoZwKNvudlt3VuKCaOOkmTeVqcaLJsSExzq3vtDsjak299Q7b8+n2 YcuXC0dtqByVKW9PZ+mYeK2VGKTreoCXhYf4a9Xz6eOxFwtPz0XmPc+nItwGbPFaIRTp+l 70bpF+mYaumBC8bekeUJ1ikn3yzj0TQ11khZmd0JS9bJHGUPCnA4C9iHSvvAXnzHmRod5Q cVWia1sE1K6WvuhSSfagZrONeDTJ/1AWc5v+jjPTyP7l6mOI2Q6EETDbqQv9OA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1792690308; 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=8RP2ZZlXY65OaJO/MFL1enz7jGPZ88UOnry0NOVswyw=; b=LECyY2WhfHYgUHwul8Tu3Ym5gIIRj0cufw8xyjPorhhrb/KivHQFhQuQgCUUIvQbC4yUO5 /QxcUGqupCY0GxZd47DCBPwtoWKs2lVgt/Oj0wyXYQ8IVljJM0F9QLuxGj/vDMUVUdAjR+ XmXqMjCL50YS0Y9qNZDEWvKHxTGZR+jtUTrtWUTs3Of4IR2Sg5O5fJxSkaRO2BZi+3PQkD 05jkMYZDlkvdhMHNrGosOSJq7/ZbmKeq7LLrkFFDd0qkU/o7Hadtl7YYdB22pNefsZhfRU zUhM51pCv98QKPzfxBm6NI1iqtMiwih4t9dpqIDpBfkQQU2RaCJqb4fYxUUS4g== 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 4j9Y9c5ZR0zs5H for ; Thu, 22 Oct 2026 17:31:48 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3c044 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 22 Oct 2026 17:31:43 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mark Johnston Subject: git: 120a6e2459cf - stable/15 - kasan: Fix the annotation for shadow map checks in atomic_load_* List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org List-Id: Commit messages for all branches of the src repository 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/stable/15 X-Git-Reftype: branch X-Git-Commit: 120a6e2459cf7a36901b1d99af91aaf33765fa7f Auto-Submitted: auto-generated Date: Thu, 22 Oct 2026 17:31:43 +0000 Message-Id: <6ada487f.3c044.6e4b55a9@gitrepo.freebsd.org> The branch stable/15 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=120a6e2459cf7a36901b1d99af91aaf33765fa7f commit 120a6e2459cf7a36901b1d99af91aaf33765fa7f Author: Mark Johnston AuthorDate: 2026-09-25 15:19:30 +0000 Commit: Mark Johnston CommitDate: 2026-10-22 15:45:40 +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 (cherry picked from commit 0aa055edc17267c6e971d29cabeffed0b1c59c32) --- 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 867d232198b9..79302d730c13 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)); \ }