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 A23A7C43334 for ; Tue, 7 Jun 2022 20:48:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E33D36B0080; Tue, 7 Jun 2022 16:48:18 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DE27E6B0081; Tue, 7 Jun 2022 16:48:18 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CAA326B0082; Tue, 7 Jun 2022 16:48:18 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id B83FD6B0080 for ; Tue, 7 Jun 2022 16:48:18 -0400 (EDT) Received: from smtpin31.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 7A31E354BF for ; Tue, 7 Jun 2022 20:48:18 +0000 (UTC) X-FDA: 79552627476.31.B6B2A8C Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by imf03.hostedemail.com (Postfix) with ESMTP id 1EDC620059 for ; Tue, 7 Jun 2022 20:48:17 +0000 (UTC) Received: by mail-io1-f71.google.com with SMTP id k5-20020a6bba05000000b00668eb755190so8656159iof.13 for ; Tue, 07 Jun 2022 13:48:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=F4ALpda75nlB6V1TanWvj/lUfY62eLCUke6YTesSXU0=; b=a0yzjLuV4GTkXgjUJ9ZSEqQjR6Q0b+qgoeHte2BFCsKxXS9tNKT1/FlxO9qoUn8eFF KhPTaiwLQBTdDr9Kuqp87IOhe3ZX9mIZpU1VZZpqcofKGbLP8aXTDU13sUF6w0SnXBnE lCCactOTbjYHZroKZKzp/iRyLkctJJMcWcV+ymh3cuIeDAPcYSLxkuEYif6Fgsqg7LEK 0G5/BOBi/s3a7yhDe2tGnMqPG+tWZLum3scTbiklMgl3SXN4hLUythbC20/uw+CyjsZ3 ZEs3B0QF9PV3248x5XRUQ8dKZ4+AUv208kDZdXY53F4RpIs8icfUynp5iSwnqT6eHZ3Q xAUw== X-Gm-Message-State: AOAM5323R8WYaRdO+n2NWoJkXNoMSXjHvyQrZL3AvmLz/LEkYy0EyI1K aAhfanYFwrddi3CkS1pOHl0Qfcug6kOrMANHPqPA8hogymEQ X-Google-Smtp-Source: ABdhPJywpIJI/Qsn0/0LRzPy3Pf1VaqXJDD6UFpb2QRZsRbu49CjVlxdTBPAJ6dZb0YOM4HDd8FvUd/5fgQzJJYwO+C47z4AW1dG MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d8a:b0:2d3:cfe9:4d89 with SMTP id h10-20020a056e021d8a00b002d3cfe94d89mr18176040ila.322.1654634897458; Tue, 07 Jun 2022 13:48:17 -0700 (PDT) Date: Tue, 07 Jun 2022 13:48:17 -0700 In-Reply-To: <0000000000003fc46005e0db5390@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004bcf6905e0e1b527@google.com> Subject: Re: [syzbot] KASAN: stack-out-of-bounds Write in check_move_unevictable_pages From: syzbot To: akpm@linux-foundation.org, dhowells@redhat.com, linmiaohe@huawei.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, surenb@google.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 1EDC620059 Authentication-Results: imf03.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none); spf=pass (imf03.hostedemail.com: domain of 3kbmfYgkbAJ4QWXI8JJCP8NNGB.EMMEJCSQCPAMLRCLR.AMK@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.71 as permitted sender) smtp.mailfrom=3kbmfYgkbAJ4QWXI8JJCP8NNGB.EMMEJCSQCPAMLRCLR.AMK@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com X-Stat-Signature: 6bwykp47ep41w3xkyojezwkhcdkk71wo X-Rspam-User: X-HE-Tag: 1654634897-677171 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000003, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: syzbot has bisected this issue to: commit 15603c238d1318c66c49df232fb2e2631a0062a0 Author: Matthew Wilcox (Oracle) Date: Sat Jun 4 21:39:09 2022 +0000 vmscan: Add check_move_unevictable_folios() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11ad0107f00000 start commit: 73d0e32571a0 Add linux-next specific files for 20220607 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=13ad0107f00000 console output: https://syzkaller.appspot.com/x/log.txt?x=15ad0107f00000 kernel config: https://syzkaller.appspot.com/x/.config?x=448ee2b64e828049 dashboard link: https://syzkaller.appspot.com/bug?extid=8847ae8c7bc46bc9c10e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14359627f00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=177d5f3ff00000 Reported-by: syzbot+8847ae8c7bc46bc9c10e@syzkaller.appspotmail.com Fixes: 15603c238d13 ("vmscan: Add check_move_unevictable_folios()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection