From nobody Sun Dec 14 05:59:24 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 C5A60C197A0 for ; Mon, 20 Nov 2023 17:47:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233885AbjKTRrl (ORCPT ); Mon, 20 Nov 2023 12:47:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232547AbjKTRrd (ORCPT ); Mon, 20 Nov 2023 12:47:33 -0500 Received: from out-187.mta1.migadu.com (out-187.mta1.migadu.com [95.215.58.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B871510E for ; Mon, 20 Nov 2023 09:47:29 -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=1700502447; 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=4GD92F9WT2lJ15sdFM57D7OnzHXCVz8Opyiuivl9/aY=; b=qyhdPL9yHGZwgbX97BEztXeCz1Zt+rIj3RmbbGcjPTQsTwh98G4ATjxhFfnwka3CKqD1b6 x9kwKDWmny/BO2cvVbgqEwg2/wpgt3BzZx3yBf1KxUz7o5wnkBkYXhX4a/sfMby5QWyf2c 4HelafeGlMBXbFW+ItTdiGsKvqfzEZg= 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 02/22] lib/stackdepot: check disabled flag when fetching Date: Mon, 20 Nov 2023 18:47:00 +0100 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 Do not try fetching a stack trace from the stack depot if the stack_depot_disabled flag is enabled. Reviewed-by: Alexander Potapenko Signed-off-by: Andrey Konovalov Reviewed-by: Oscar Salvador --- lib/stackdepot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 0eeaef4f2523..f8a8033e1dc8 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -483,7 +483,7 @@ unsigned int stack_depot_fetch(depot_stack_handle_t han= dle, */ kmsan_unpoison_memory(entries, sizeof(*entries)); =20 - if (!handle) + if (!handle || stack_depot_disabled) return 0; =20 if (parts.pool_index > pool_index_cached) { --=20 2.25.1