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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id BAE9CCD4F49 for ; Fri, 22 Sep 2023 10:27:29 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 367FB6B028B; Fri, 22 Sep 2023 06:27:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 318276B029A; Fri, 22 Sep 2023 06:27:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 206936B029C; Fri, 22 Sep 2023 06:27:29 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 1176C6B028B for ; Fri, 22 Sep 2023 06:27:29 -0400 (EDT) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id DC556B39DE for ; Fri, 22 Sep 2023 10:27:28 +0000 (UTC) X-FDA: 81263856576.25.2E62341 Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) by imf09.hostedemail.com (Postfix) with ESMTP id 7A8FF14002B for ; Fri, 22 Sep 2023 10:27:25 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=none; spf=none (imf09.hostedemail.com: domain of penguin-kernel@I-love.SAKURA.ne.jp has no SPF policy when checking 202.181.97.72) smtp.mailfrom=penguin-kernel@I-love.SAKURA.ne.jp; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1695378446; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=GbPL5hBqq6B8gc9Mo+sw6KaeGA/WQV4y79c4/kcDdtI=; b=OAR03myUUYJ5ZM7FLoLkpTlW92a+ifCt3Lpm58HDAZJVjYJSxOg+Njbw+9waipRWO7L9Am 6ShlFDNyr1h7zPhwAuD1R2ivbl1/RGTRknOn91CEZhs69dkqFmG/j0+TlOyryqCygULDz6 udz1YboPYM1z0hKs3UgsdNIL7AL6LjY= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1695378446; a=rsa-sha256; cv=none; b=PiFykktRylq5iEFvsl34PIlxKL/mCRpnyuAiz0/vP1K3WbbE899pXGLl2ib+PCrCSRfdwe PnCay2EQVh4oC8cNGIQFk9LPk9EkwVeyxRq+uD9hYmiPEeTgPRuNgBWAucc5ZvBi8zaIk1 7aBbjKRJx27FhmzilZoWfe8vbcnnf5U= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=none; spf=none (imf09.hostedemail.com: domain of penguin-kernel@I-love.SAKURA.ne.jp has no SPF policy when checking 202.181.97.72) smtp.mailfrom=penguin-kernel@I-love.SAKURA.ne.jp; dmarc=none Received: from fsav311.sakura.ne.jp (fsav311.sakura.ne.jp [153.120.85.142]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 38MARFV8001301; Fri, 22 Sep 2023 19:27:15 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav311.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav311.sakura.ne.jp); Fri, 22 Sep 2023 19:27:15 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav311.sakura.ne.jp) Received: from [192.168.1.6] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 38MARFWp001295 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Fri, 22 Sep 2023 19:27:15 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: Date: Fri, 22 Sep 2023 19:27:15 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: [syzbot] [mm?] possible deadlock in free_pcppages_bulk Content-Language: en-US To: syzbot , syzkaller-bugs@googlegroups.com, Johannes Weiner References: <000000000000099f0d0605e18c69@google.com> Cc: akpm@linux-foundation.org, linux-mm@kvack.org From: Tetsuo Handa In-Reply-To: <000000000000099f0d0605e18c69@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 7A8FF14002B X-Rspam-User: X-Stat-Signature: y3oyun91kxpzgwktbn99cxo5ekjfed9z X-Rspamd-Server: rspam03 X-HE-Tag: 1695378445-290868 X-HE-Meta: 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 D97y0lIS 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: It is not safe to call printk() with zone->lock held. Closing this report because "mm: page_alloc: consolidate free page accounting" was removed from linux-next tree. #syz invalid On 2023/09/22 2:08, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: dfa449a58323 Add linux-next specific files for 20230915 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=110f76f8680000 > kernel config: https://syzkaller.appspot.com/x/.config?x=e204dda2e58397ec > dashboard link: https://syzkaller.appspot.com/bug?extid=27f8c9169772defbdde9 > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > > Unfortunately, I don't have any reproducer for this issue yet. > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/34f9995871ed/disk-dfa449a5.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/95e2e1c3ab9e/vmlinux-dfa449a5.xz > kernel image: https://storage.googleapis.com/syzbot-assets/cfc6db9684d4/bzImage-dfa449a5.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+27f8c9169772defbdde9@syzkaller.appspotmail.com