From nobody Sun Dec 14 05:52:17 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E82D8C197A0 for ; Mon, 20 Nov 2023 17:50:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234078AbjKTRuL (ORCPT ); Mon, 20 Nov 2023 12:50:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233605AbjKTRts (ORCPT ); Mon, 20 Nov 2023 12:49:48 -0500 Received: from out-184.mta0.migadu.com (out-184.mta0.migadu.com [IPv6:2001:41d0:1004:224b::b8]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9CEE10DD for ; Mon, 20 Nov 2023 09:49:40 -0800 (PST) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1700502578; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AmubiAZbFJ0d/i3HqBc+VhVD2T8fru9oX5DWKdU3rlA=; b=b2OIEP3BJYVimjqmep3gX4pnHU69uhP3rz4BbIU0wDtcOHhahRQdj/mDShPRiA2HDFVZhX ObfN7eBTcN91SgmffyLxHsXabiv3RbporAg2HdC9O1DTTM3xtlUsATOXQ2XYASwgncbBwR 7K4umBHx7gSfcQI4eOh8RKYS2iCumFg= From: andrey.konovalov@linux.dev To: Andrew Morton Cc: Andrey Konovalov , Marco Elver , Alexander Potapenko , Dmitry Vyukov , Vlastimil Babka , kasan-dev@googlegroups.com, Evgenii Stepanov , Oscar Salvador , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Subject: [PATCH v4 14/22] kmsan: use stack_depot_save instead of __stack_depot_save Date: Mon, 20 Nov 2023 18:47:12 +0100 Message-Id: <18092240699efdc6acd78b51e41ea782953e6c8d.1700502145.git.andreyknvl@google.com> In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Andrey Konovalov Make KMSAN use stack_depot_save instead of __stack_depot_save, as it always passes true to __stack_depot_save as the last argument. Reviewed-by: Alexander Potapenko Signed-off-by: Andrey Konovalov --- Changes v1->v2: - This is a new patch. --- mm/kmsan/core.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/mm/kmsan/core.c b/mm/kmsan/core.c index c19f47af0424..cf2d70e9c9a5 100644 --- a/mm/kmsan/core.c +++ b/mm/kmsan/core.c @@ -76,7 +76,7 @@ depot_stack_handle_t kmsan_save_stack_with_flags(gfp_t fl= ags, /* Don't sleep. */ flags &=3D ~(__GFP_DIRECT_RECLAIM | __GFP_KSWAPD_RECLAIM); =20 - handle =3D __stack_depot_save(entries, nr_entries, flags, true); + handle =3D stack_depot_save(entries, nr_entries, flags); return stack_depot_set_extra_bits(handle, extra); } =20 @@ -185,11 +185,10 @@ depot_stack_handle_t kmsan_internal_chain_origin(depo= t_stack_handle_t id) /* * @entries is a local var in non-instrumented code, so KMSAN does not * know it is initialized. Explicitly unpoison it to avoid false - * positives when __stack_depot_save() passes it to instrumented code. + * positives when stack_depot_save() passes it to instrumented code. */ kmsan_internal_unpoison_memory(entries, sizeof(entries), false); - handle =3D __stack_depot_save(entries, ARRAY_SIZE(entries), __GFP_HIGH, - true); + handle =3D stack_depot_save(entries, ARRAY_SIZE(entries), __GFP_HIGH); return stack_depot_set_extra_bits(handle, extra_bits); } =20 --=20 2.25.1