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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0466BC433EF for ; Tue, 26 Oct 2021 14:28:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E23EA60E8F for ; Tue, 26 Oct 2021 14:28:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236512AbhJZOae (ORCPT ); Tue, 26 Oct 2021 10:30:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235530AbhJZOab (ORCPT ); Tue, 26 Oct 2021 10:30:31 -0400 Received: from mail-oo1-xc32.google.com (mail-oo1-xc32.google.com [IPv6:2607:f8b0:4864:20::c32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED219C061745 for ; Tue, 26 Oct 2021 07:28:07 -0700 (PDT) Received: by mail-oo1-xc32.google.com with SMTP id e200-20020a4a55d1000000b002b8bedf08cdso598934oob.1 for ; Tue, 26 Oct 2021 07:28:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=XSp/cI8B6tGIWQYSUxjLhFFTXMn9RrA+lvWtIcl5Xxo=; b=VYO509ItAWBV9C8cWr9QsGZXjZZ1SUxq7Ul9dgBGRQIEbu0sObO0EY5SEQcBqFdDHq 1IHU3q6G2jr1ySt+MmB2RX4eKPZUskPSvFQuU4w/q5u7cNk/ITX+InvwPerXdOyubv1A kER892Q0xkbxBoLjtcINNPtlkC2YUueXigyFx7Dp45Cyb4C8pYOjFUpGmi3ruBI8T85X Bho7eEEgjsWbfzHoptT6sYLiSG7YrR22LOyHGPLa9pI7RGg7ZvWp0omgRnl5TdYpOeeF rEKQAcjJCBEKzcBi4j4UzbBHcezn1y2Nwyqn/ZJzK65yQjw7LBJMc8qyykromJwrIC1V oOTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=XSp/cI8B6tGIWQYSUxjLhFFTXMn9RrA+lvWtIcl5Xxo=; b=Cywxhi01kdBxQDJAdtFx6qfwIPQxOjI9rDtVTFi/DlKKcIVWgfSlNUek10hdHZmeTM ZmJY0jrr/aU2QMa2fIidTm7YzYltN4IuWxKVxOoVsVuIZpH6QFHJrl+JExGgCZrxZm5P 7FltuJ7GNP+yRZSOiqj67hqw3D9sozRRDra0TOYlvSpnjnC73ua6YadDhFfXvBGnDBc9 SE4se5PC+FguPeHo5glMTCEamWRw6DilqTHjyMEK2SG+D1kHXODMVA8xMCLIJBeGInST 9Z++ZUsajgakMprB/vpJGI30osT7ApQeqiiZ6Ke9OwojFvxwULO9s1pmisrAGNaD3zYJ xorQ== X-Gm-Message-State: AOAM531MMEJAcUuxALHABbmjgDWYHIqzToLNpBacCbo/cIe5fF54CLLQ ql7xY0Ey5JL9b1VO5RoijeMSIZwC4dXtjpoOaFzP0Q== X-Google-Smtp-Source: ABdhPJzkUK2imKD35Eplh4kMly+PxxxN0D1zt76yq2SpfTeEaegRQwBY0wSREOexzYsLLNnhWn9C4ckqY4B2PWcGuag= X-Received: by 2002:a4a:ae0b:: with SMTP id z11mr17001006oom.25.1635258487022; Tue, 26 Oct 2021 07:28:07 -0700 (PDT) MIME-Version: 1.0 References: <0000000000009e7f6405c60dbe3b@google.com> <0000000000003548bc05cf4202f3@google.com> In-Reply-To: <0000000000003548bc05cf4202f3@google.com> From: Marco Elver Date: Tue, 26 Oct 2021 16:27:55 +0200 Message-ID: Subject: Re: [syzbot] upstream test error: BUG: sleeping function called from invalid context in stack_depot_save To: syzbot Cc: akpm@linux-foundation.org, dan.carpenter@oracle.com, desmondcheongzx@gmail.com, dvyukov@google.com, hdanton@sina.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@techsingularity.net, syzkaller-bugs@googlegroups.com, tonymarislogistics@yandex.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org #syz fix: mm/page_alloc: avoid page allocator recursion with pagesets.lock held On Tue, 26 Oct 2021 at 16:08, syzbot wrote: > > This bug is marked as fixed by commit: > 187ad460b841 ("mm/page_alloc: avoid page allocator recursion with pagesets.lock held") Looks like Dan's "#syz fix" made syzbot think that the title is the above. The reason that the commit title only is preferred is that commits in trees like -mm don't have stable hashes. Maybe if the hash is known to persist the alternative format could be useful.