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 X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D96DDC64E7A for ; Tue, 1 Dec 2020 07:45:19 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4619E2085B for ; Tue, 1 Dec 2020 07:45:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4619E2085B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 7797B6B005D; Tue, 1 Dec 2020 02:45:18 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 7298B6B0068; Tue, 1 Dec 2020 02:45:18 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 63E148D0001; Tue, 1 Dec 2020 02:45:18 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0105.hostedemail.com [216.40.44.105]) by kanga.kvack.org (Postfix) with ESMTP id 4E5166B005D for ; Tue, 1 Dec 2020 02:45:18 -0500 (EST) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 14508181AEF1E for ; Tue, 1 Dec 2020 07:45:18 +0000 (UTC) X-FDA: 77543927916.04.cast53_52067dd273a8 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id D8C43800CF0E for ; Tue, 1 Dec 2020 07:45:17 +0000 (UTC) X-HE-Tag: cast53_52067dd273a8 X-Filterd-Recvd-Size: 7111 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by imf20.hostedemail.com (Postfix) with ESMTP for ; Tue, 1 Dec 2020 07:45:17 +0000 (UTC) Received: by mail-io1-f69.google.com with SMTP id q140so743142iod.5 for ; Mon, 30 Nov 2020 23:45:17 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=GIMISXxEBY2bGm7Cc9ODP1AmYZvU0X5mJZhyi/X0how=; b=GM8LHZsmenrFOIgYtG1J7f7+rLBxkzlLivb6ThSEss4vPtbzdAc5L/ssxSSyMs4Adi numKKE5+vWrCcggplnOaeZ2yl7fwIrEJymHM5e7CgRdB9b6GdMk0AL4zLsqTadrq/y4+ cUWpWfSZrol/a52zwWghaQDwTNXd4b0FeWrbdwAetC4v3ZP7Hq/q2YTHwT477as11h0N uJBu8E4ERKUjY50crXctw1vMEm6G2Bc+tiiU+zN5f6e2MxyJh+UPWRUcZAVGFeUEQVJv ObSBr7pv28Td5510yo2tPrheRdwBC8w4aQqvVw0aP++AJ24vH8ceHPHMeBgs6ekV0rBl wwZg== X-Gm-Message-State: AOAM531/0N2jkrLpxqI+9i2MoOGWEL0npSxuvuDW9FmG7mvMQMx1JwSX q0iGyYju0KpSvif07DjLrlQ0zT70Jr6FaN4Gs0+/jTjZ7eDa X-Google-Smtp-Source: ABdhPJwMLcGDHzoWYNefKTZK9yS5DA5W2EKqSzTQawifXhbj6cra7L9DDj+lAEM4ZlWZ4FCOxTuFktgL+QT+sICpi5x+iCjIAmGE MIME-Version: 1.0 X-Received: by 2002:a05:6638:124d:: with SMTP id o13mr1602666jas.98.1606808716905; Mon, 30 Nov 2020 23:45:16 -0800 (PST) Date: Mon, 30 Nov 2020 23:45:16 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000cb120405b5624ebf@google.com> Subject: general protection fault in workingset_age_nonresident From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" 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: Hello, syzbot found the following issue on: HEAD commit: c6b11acc Add linux-next specific files for 20201130 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1074103d500000 kernel config: https://syzkaller.appspot.com/x/.config?x=b5e03844e9b34d37 dashboard link: https://syzkaller.appspot.com/bug?extid=8f327e215a9398a664b7 compiler: gcc (GCC) 10.1.0-syz 20200507 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8f327e215a9398a664b7@syzkaller.appspotmail.com general protection fault, probably for non-canonical address 0xdffffc017c027e8b: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x0000000be013f458-0x0000000be013f45f] CPU: 0 PID: 13851 Comm: syz-executor.5 Not tainted 5.10.0-rc5-next-20201130-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mem_cgroup_lruvec include/linux/memcontrol.h:629 [inline] RIP: 0010:parent_lruvec include/linux/memcontrol.h:1560 [inline] RIP: 0010:workingset_age_nonresident+0x13a/0x1c0 mm/workingset.c:242 Code: f8 48 c1 e8 03 80 3c 28 00 0f 85 88 00 00 00 49 8b 9c dc 58 0d 00 00 e8 a4 67 cf ff 48 8d bb c0 00 00 00 48 89 f8 48 c1 e8 03 <80> 3c 28 00 75 56 4c 3b ab c0 00 00 00 75 2b e8 82 67 cf ff 48 85 RSP: 0018:ffffc9000c0074c0 EFLAGS: 00010006 RAX: 000000017c027e8b RBX: 0000000be013f39a RCX: ffffc90013eb6000 RDX: 0000000000040000 RSI: ffffffff81a159ac RDI: 0000000be013f45a RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff88813ffffdbf R10: ffffed1027ffffb7 R11: 0000000000000000 R12: ffffffff8e790e30 R13: ffff88813fffb000 R14: 0000000000000001 R15: ffffffff8e790d10 FS: 00007fba638dc700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fba638dbdb8 CR3: 0000000029181000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: workingset_eviction+0x452/0x9b0 mm/workingset.c:266 __remove_mapping+0x867/0xd20 mm/vmscan.c:927 shrink_page_list+0x246a/0x5e80 mm/vmscan.c:1431 reclaim_pages+0x3e2/0xcd0 mm/vmscan.c:2148 madvise_cold_or_pageout_pte_range+0x1615/0x2880 mm/madvise.c:473 walk_pmd_range mm/pagewalk.c:89 [inline] walk_pud_range mm/pagewalk.c:160 [inline] walk_p4d_range mm/pagewalk.c:193 [inline] walk_pgd_range mm/pagewalk.c:229 [inline] __walk_page_range+0xda4/0x1e20 mm/pagewalk.c:331 walk_page_range+0x1be/0x450 mm/pagewalk.c:427 madvise_pageout_page_range mm/madvise.c:526 [inline] madvise_pageout+0x21b/0x390 mm/madvise.c:562 madvise_vma mm/madvise.c:943 [inline] do_madvise.part.0+0x9f2/0x1ed0 mm/madvise.c:1142 do_madvise mm/madvise.c:1168 [inline] __do_sys_madvise mm/madvise.c:1168 [inline] __se_sys_madvise mm/madvise.c:1166 [inline] __x64_sys_madvise+0x113/0x150 mm/madvise.c:1166 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45deb9 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fba638dbc78 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 0000000000020ec0 RCX: 000000000045deb9 RDX: 0000000000000015 RSI: 0000000000600003 RDI: 0000000020000000 RBP: 000000000118c0b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118c07c R13: 00007ffe3594576f R14: 00007fba638dc9c0 R15: 000000000118c07c Modules linked in: ---[ end trace 55e42525eeb89bbe ]--- RIP: 0010:mem_cgroup_lruvec include/linux/memcontrol.h:629 [inline] RIP: 0010:parent_lruvec include/linux/memcontrol.h:1560 [inline] RIP: 0010:workingset_age_nonresident+0x13a/0x1c0 mm/workingset.c:242 Code: f8 48 c1 e8 03 80 3c 28 00 0f 85 88 00 00 00 49 8b 9c dc 58 0d 00 00 e8 a4 67 cf ff 48 8d bb c0 00 00 00 48 89 f8 48 c1 e8 03 <80> 3c 28 00 75 56 4c 3b ab c0 00 00 00 75 2b e8 82 67 cf ff 48 85 RSP: 0018:ffffc9000c0074c0 EFLAGS: 00010006 RAX: 000000017c027e8b RBX: 0000000be013f39a RCX: ffffc90013eb6000 RDX: 0000000000040000 RSI: ffffffff81a159ac RDI: 0000000be013f45a RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff88813ffffdbf R10: ffffed1027ffffb7 R11: 0000000000000000 R12: ffffffff8e790e30 R13: ffff88813fffb000 R14: 0000000000000001 R15: ffffffff8e790d10 FS: 00007fba638dc700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fba638dbdb8 CR3: 0000000029181000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.