From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-101.freemail.mail.aliyun.com (out30-101.freemail.mail.aliyun.com [115.124.30.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 489392107 for ; Fri, 14 Jun 2024 15:49:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718380158; cv=none; b=q6mSu3g9I0oIS1riwzUjlDBrWhl5EsQxMrF23lBtOK847HMZg6cPKP3E9HxtGIeut3DZwpsh277U8z4MYFW8t6uxdze6mrwQmo7ritYSBuOF14ayNBwA10Ntq/dAZEUuQpXcWK54KX2fFKC/knMF/N3SIpqEoA5esMOs9yxcKu8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718380158; c=relaxed/simple; bh=9PmR7F+Bi1g+pVCwXJrtc90gmS5iJmU+BBoImjZ5fnk=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=hSFA5KQtENM7r86pZSI5X2XsI8bFxzVjxgP6yU/z494UDlSh2cSvsCm8EIc9nY0+M0I48y/v06HZue6rgtE2uQbRXlXiNs6IdhKho8vuGtNdvBEkw1p0sleTyNd2NrJCnSI12U0RkrEe9FGy98AazMB1R/mPadsRZo8kQaUVsNY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=ZMXjFftJ; arc=none smtp.client-ip=115.124.30.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="ZMXjFftJ" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1718380146; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type; bh=6xVGwp8iy7Y73XJ/FZxwAl9aWZGWYwT3YWwofkeVyjA=; b=ZMXjFftJFWpdCRaUkD9Kems6qqjbZdgStp7pXqzjk3CM1hLFxSK6q25OOOIlIF1Vlk+c08sDYdL9L9XRfrs1O0g5EhU9OJdCkPr5T5iPTWEGry13FklpBakQ1DnE191coh8WICkm2iaGew3m0mcW+rrhjmwEaobVbETD6f117e4= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R631e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033037067113;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0W8RY7Sm_1718380145; Received: from 192.168.0.106(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0W8RY7Sm_1718380145) by smtp.aliyun-inc.com; Fri, 14 Jun 2024 23:49:06 +0800 Message-ID: <4dce1443-276b-460c-81a8-53a8008307bc@linux.alibaba.com> Date: Fri, 14 Jun 2024 23:49:05 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] BUG: Bad rss-counter state (5) To: syzbot , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com References: <000000000000c2c1fd061adb09d1@google.com> From: Baolin Wang In-Reply-To: <000000000000c2c1fd061adb09d1@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2024/6/14 23:12, syzbot wrote: > syzbot has bisected this issue to: > > commit 1c05047ad01693ad92bdf8347fad3b5c2b25e8bb > Author: Baolin Wang > Date: Tue Jun 4 10:17:45 2024 +0000 > > mm: memory: extend finish_fault() to support large folio > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=106e8e56980000 > start commit: d35b2284e966 Add linux-next specific files for 20240607 > git tree: linux-next > final oops: https://syzkaller.appspot.com/x/report.txt?x=126e8e56980000 > console output: https://syzkaller.appspot.com/x/log.txt?x=146e8e56980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=d8bf5cd6bcca7343 > dashboard link: https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17f57a36980000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a57696980000 > > Reported-by: syzbot+f2bbbb592debc978d46d@syzkaller.appspotmail.com > Fixes: 1c05047ad016 ("mm: memory: extend finish_fault() to support large folio") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection Thanks. Please try the fix in mm-unstable branch #syz test: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?h=mm-unstable&id=4135d2688b42f097f78062ef328f3056db32e3a0