From nobody Sun Dec 14 06:40:53 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 769FFC83F18 for ; Tue, 29 Aug 2023 17:12:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237639AbjH2RMJ (ORCPT ); Tue, 29 Aug 2023 13:12:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237637AbjH2RLm (ORCPT ); Tue, 29 Aug 2023 13:11:42 -0400 Received: from out-242.mta1.migadu.com (out-242.mta1.migadu.com [95.215.58.242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4876711B for ; Tue, 29 Aug 2023 10:11:37 -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=1693329095; 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=Gxqstvn+9KrGAurRzEA5+xZd4FpeRy2hmiRTg5iKOfw=; b=DeG8gVsPVA6eHp6GYAtPbcN1W4Kc4hW54VJN2cPa1oAVV0Vtv+XvIoxvZ1he5+lPDyKPzU jVtmhpgvmpCpTClSH2nhy/NQ4GtPpio2EnuYBWWAcI0xhaei4Zp0zBBpeO5Q7FjGGTEUej XwtRIWiCy9Atd2ddYEKCng61HMvXEZ8= From: andrey.konovalov@linux.dev To: Marco Elver , Alexander Potapenko Cc: Andrey Konovalov , Dmitry Vyukov , Vlastimil Babka , kasan-dev@googlegroups.com, Evgenii Stepanov , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Subject: [PATCH 01/15] stackdepot: check disabled flag when fetching Date: Tue, 29 Aug 2023 19:11:11 +0200 Message-Id: <43b26d397d4f0d76246f95a74a8a38cfd7297bbc.1693328501.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 Do not try fetching a stack trace from the stack depot if the stack_depot_disabled flag is enabled. Signed-off-by: Andrey Konovalov Reviewed-by: Alexander Potapenko --- lib/stackdepot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 2f5aa851834e..3a945c7206f3 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -477,7 +477,7 @@ 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