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 A0A2BC433EF for ; Tue, 26 Oct 2021 14:28:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 35DB2610EA for ; Tue, 26 Oct 2021 14:28:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 35DB2610EA Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id CA8AC80008; Tue, 26 Oct 2021 10:28:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C582C940007; Tue, 26 Oct 2021 10:28:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B46C980008; Tue, 26 Oct 2021 10:28:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0008.hostedemail.com [216.40.44.8]) by kanga.kvack.org (Postfix) with ESMTP id A2AA0940007 for ; Tue, 26 Oct 2021 10:28:08 -0400 (EDT) Received: from smtpin35.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 5DD51184B1F05 for ; Tue, 26 Oct 2021 14:28:08 +0000 (UTC) X-FDA: 78738818256.35.AE57914 Received: from mail-oo1-f50.google.com (mail-oo1-f50.google.com [209.85.161.50]) by imf25.hostedemail.com (Postfix) with ESMTP id D6F8AB000184 for ; Tue, 26 Oct 2021 14:28:01 +0000 (UTC) Received: by mail-oo1-f50.google.com with SMTP id o26-20020a4abe9a000000b002b74bffdef0so4885659oop.12 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=5rMjTzZLXMvtiiKGqp3xafzfKcpYwN/RdyAEzcGgzUpPp33xf+7GACP9oxbfLGRpxO OGBIh4r8Jl32iDJVMKFWdlDrpJnOURqO0ph97kNjknjU/Vzzxb21uOa3MIB0B+S2iUZm 0Ba45wtj0ptEr1rV/LoscAhQDXF7trsFtIK6dpEb2sbh7mQgoPqokBpevWJyT9WtBJne MSSgAWCitnwuXvmi2SOqRx/5ug4dEOExuCNS6mAdhynrTCPpSjsUr8gSKUkUTPVPpUQG hAxetx/h6A+ssDll4IhJ4d52pcOKM1uHtLinkLclxRsXnAFMd2k83H5FhgEVf5yKSxhC zVmA== X-Gm-Message-State: AOAM5312GW0exlyl/nxZU1wNIMQFubQTy35Jl3F00DRw5U5XLwTKpWNU 7QP7HIDgFviRGMdQ0affqswG3pLF9v9ah6t+//fZLA== 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" X-Stat-Signature: ntofodyk4sy6gqpjtzmwwn6aq1mes71f Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=VYO509It; spf=pass (imf25.hostedemail.com: domain of elver@google.com designates 209.85.161.50 as permitted sender) smtp.mailfrom=elver@google.com; dmarc=pass (policy=reject) header.from=google.com X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: D6F8AB000184 X-HE-Tag: 1635258481-883627 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000791, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: #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.