From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF8DFC433ED for ; Wed, 5 May 2021 09:23:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7BB34613ED for ; Wed, 5 May 2021 09:23:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232554AbhEEJYt (ORCPT ); Wed, 5 May 2021 05:24:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232491AbhEEJYc (ORCPT ); Wed, 5 May 2021 05:24:32 -0400 Received: from mail-wm1-x349.google.com (mail-wm1-x349.google.com [IPv6:2a00:1450:4864:20::349]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30AB8C061364 for ; Wed, 5 May 2021 02:22:26 -0700 (PDT) Received: by mail-wm1-x349.google.com with SMTP id o18-20020a1ca5120000b02901333a56d46eso1382284wme.8 for ; Wed, 05 May 2021 02:22:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=ipcG+5uCgsazZ7SR+haE6w/wCwHthGEmmd5v1cTEP/8=; b=Wa7jknldLVEb+Ol4xnPiuV/by6Xwx4KIWfE7GTQKnuTxRAGxxs3qS5SQlcZBc+xADO DL96Rlb9gm9TTh/fOLdUZO/U9VvqE3OtwXOrz7yBhsiaXeYvoeFavL0vkwa7Eck5guIR rcxZPLO/8E7AeU3v+5eRfUPBolRf0WX/ATU8MzjrRyATplxxTmi25YGYQngESpYuwJsB jPBLYp+5x+WOkoYrLtm+Hs3YVO4K8uNv13Sajwz1RQXDKn787107qHhuom4DwnqdIfwE Hio49NiWO8+2aAVsRvspwe+5aM39tyKwqobRQiuAnlG5tUJyi9OZktyWOmt/ZRZno0Od eRjw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=ipcG+5uCgsazZ7SR+haE6w/wCwHthGEmmd5v1cTEP/8=; b=n3qYuOaFgjzgYTttBcvvyCQwoKSNC+VhYXdCNylP2rb06L8E2ftzyqcz0oCU+jSuQg AZoyt0BdQmjyTIpeSnmxK2HbI7KOna4j+r1Rj9PCaI+IH26l0g9t0g9NOL2eFjwDmzRc Sm2eN7FNQzhCmQ4MyvZDd7PdNxH/hcdKQ4phOiS7ApwukKR1tB2LXPbboeBL7nmfzA8P JzRomTXof+SETZQVTK3RSgYrVtM1gTFQGl8ozU/ijTCm83qtFg4Cyvx2p3vSCyins7FK ixMFBX0gI1bhHuGiAruL+/MWkrzzUexKMfgUF3G/pASpoe8TPYqFgxIrF3+me3bu+/0F D8Gg== X-Gm-Message-State: AOAM533k0tdsHyIUcVroeWyjEyUJUEOCMsqubcTXujCFU1N6jTr1BFCb hL8w5SfARbFX5R/GwPaHXaH2iakb6SI= X-Google-Smtp-Source: ABdhPJyd3wD7aqm0Q6dV9thF2Jtc8bjPMmzJ11889eWBiQDyjJkcxXsOzHIhFasJFXHmVQufCvN5HY+g+1g= X-Received: from glider.muc.corp.google.com ([2a00:79e0:15:13:75a3:1d6a:25a4:791b]) (user=glider job=sendgmr) by 2002:adf:f38c:: with SMTP id m12mr31190888wro.282.1620206544799; Wed, 05 May 2021 02:22:24 -0700 (PDT) Date: Wed, 5 May 2021 11:22:18 +0200 In-Reply-To: <20210505092218.2422386-1-glider@google.com> Message-Id: <20210505092218.2422386-2-glider@google.com> Mime-Version: 1.0 References: <20210505092218.2422386-1-glider@google.com> X-Mailer: git-send-email 2.31.1.527.g47e6f16901-goog Subject: [PATCH 2/2] kasan: use dump_stack_lvl(KERN_ERR) to print stacks From: Alexander Potapenko To: akpm@linux-foundation.org, pmladek@suse.com, mingo@kernel.org Cc: bo.he@intel.com, yanmin_zhang@linux.intel.com, psodagud@quicinc.com, dvyukov@google.com, elver@google.com, linux-kernel@vger.kernel.org, ryabinin.a.a@gmail.com, Alexander Potapenko Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Most of the contents of KASAN reports are printed with pr_err(), so use a consistent logging level to print the memory access stacks. Cc: Andrew Morton Cc: Andrey Ryabinin Cc: Prasad Sodagudi Cc: Dmitry Vyukov Cc: Marco Elver Cc: linux-kernel@vger.kernel.org Signed-off-by: Alexander Potapenko --- mm/kasan/report.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 14bd51ea2348..8fff1825b22c 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -230,7 +230,7 @@ static void print_address_description(void *addr, u8 tag) { struct page *page = kasan_addr_to_page(addr); - dump_stack(); + dump_stack_lvl(KERN_ERR); pr_err("\n"); if (page && PageSlab(page)) { @@ -375,7 +375,7 @@ void kasan_report_async(void) pr_err("BUG: KASAN: invalid-access\n"); pr_err("Asynchronous mode enabled: no access details available\n"); pr_err("\n"); - dump_stack(); + dump_stack_lvl(KERN_ERR); end_report(&flags, 0); } #endif /* CONFIG_KASAN_HW_TAGS */ @@ -420,7 +420,7 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write, pr_err("\n"); print_memory_metadata(info.first_bad_addr); } else { - dump_stack(); + dump_stack_lvl(KERN_ERR); } end_report(&flags, addr); -- 2.31.1.527.g47e6f16901-goog