From nobody Thu Jan 1 12:26:50 2026 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 32244C001E0 for ; Mon, 23 Oct 2023 16:25:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233568AbjJWQZP (ORCPT ); Mon, 23 Oct 2023 12:25:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39740 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229714AbjJWQZM (ORCPT ); Mon, 23 Oct 2023 12:25:12 -0400 Received: from out-201.mta0.migadu.com (out-201.mta0.migadu.com [91.218.175.201]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 63872E4 for ; Mon, 23 Oct 2023 09:25:10 -0700 (PDT) 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=1698078308; 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=EAtH6mtyDDwPJA3G1u2tEpoRGlDDlV29Wi3V3trZXF4=; b=kPoNUZX00gmVx2jTNWUBw1MnjfYZ+Ih+Xex2SmhQ0zyGsX2Ioeza+QBykBxwXLreMwqivE M2aRr8G1yeGyH9/IfvhHARI9SQY8lVb/5X48pbhNEAEo4GD626fn7sdXdC2E92CjCX+Meu xIXcm3bRhi2HV2gkZQpZtoUQzaGzoec= From: andrey.konovalov@linux.dev To: Marco Elver , Alexander Potapenko Cc: Andrey Konovalov , Dmitry Vyukov , Vlastimil Babka , kasan-dev@googlegroups.com, Evgenii Stepanov , Oscar Salvador , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Subject: [PATCH v3 13/19] kmsan: use stack_depot_save instead of __stack_depot_save Date: Mon, 23 Oct 2023 18:22:44 +0200 Message-Id: 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 3adb4c1d3b19..5d942f19d12a 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 @@ -250,11 +250,10 @@ 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