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 2E835C677F1 for ; Thu, 12 Jan 2023 10:25:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9ED028E0002; Thu, 12 Jan 2023 05:25:42 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 99CFB8E0001; Thu, 12 Jan 2023 05:25:42 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 864818E0002; Thu, 12 Jan 2023 05:25:42 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 74FFA8E0001 for ; Thu, 12 Jan 2023 05:25:42 -0500 (EST) Received: from smtpin08.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 2DCBA808EE for ; Thu, 12 Jan 2023 10:25:42 +0000 (UTC) X-FDA: 80345765724.08.0AD0A40 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by imf06.hostedemail.com (Postfix) with ESMTP id 9AA9B18000D for ; Thu, 12 Jan 2023 10:25:40 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none); spf=pass (imf06.hostedemail.com: domain of 3I-C_YwkbAAg067sittmzixxql.owwotm20mzkwv1mv1.kwu@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.70 as permitted sender) smtp.mailfrom=3I-C_YwkbAAg067sittmzixxql.owwotm20mzkwv1mv1.kwu@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1673519140; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references; bh=Kw4ldf34KKwQJFbqI8sJn48aCZGzATF3l5fLGibU/RM=; b=yANV6skcimP3AL+plsd1dq8atHtOgknXHMxqEaSdzWkjpPMOiog8HAAk9lzlzqArfhkjNV 3K1xBZ1BRSGEvza/ojNx0dSqxm7WeeKqor9G23ySJHKPG8IL94/LglC9+PjtyYEWTMMMZz 9YQNN3QNkAt4dz64EFEM3ZkiiINBmb8= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none); spf=pass (imf06.hostedemail.com: domain of 3I-C_YwkbAAg067sittmzixxql.owwotm20mzkwv1mv1.kwu@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.70 as permitted sender) smtp.mailfrom=3I-C_YwkbAAg067sittmzixxql.owwotm20mzkwv1mv1.kwu@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1673519140; a=rsa-sha256; cv=none; b=HWDHRZw9oKDf2zj7XUExw4GzD8F0ykFfLRV7ZWB2GiPntWFOXiA+mBkc5O7fK/rNEZfY6G WtTDLQQiVvwLH8zC+E+tRXVP4kdXk6w3mzoCx2Ty2rw7uQ17F6xNpNZjT0mKD5eV4t+EwW w7bCEhoBa60YVNLmIfYKpYSXPkJafZM= Received: by mail-io1-f70.google.com with SMTP id z9-20020a6b0a09000000b00704712ed815so2246780ioi.1 for ; Thu, 12 Jan 2023 02:25:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Kw4ldf34KKwQJFbqI8sJn48aCZGzATF3l5fLGibU/RM=; b=Z5CUI9JY6dl+oDYfxKWM/HoxzNetqcZA3NJrrFkP3DN4CTWQy1OfV+TJRS4jx4mcDM 42EKHywdn3pII9IoO7KO2pok4SG3i6DZeYOV8ZsanFlWXems0QEA059kHiDEDxLxajtQ AoRS5p0qHK6N93A7z2Yps7Otj7smryfXDrMndinYYq8dEe2+euUnII5+oOtdupJv1GYt AgUDWMv+SIVhRkqodkkr2Zyxl7mpPle5Lhbs/VQumMHEbKrKmQQH/6goT4jh2+SFr5Vg tzsbWUyMI+8kO814l66mkoq51hmmndOAp1po6NAn2ogMJjvSHvU4Pg68K+df7j2oVumA bb6Q== X-Gm-Message-State: AFqh2kpq+R8aVcbKAOx6VvdpVdwZsfd3jupGFn7xi5dUnCnR+czqFxcN kFmOlaEXk3mTSJ7ik2reZytI7lSU/qPoc4E3yNejkXXdPVVc X-Google-Smtp-Source: AMrXdXtYV4/OEOs9KND78/jPEaBxMhtuwzseWgl+eWin9zEmgeb0+6TYyJB4nSSXlhbLvU0mCQVU4zKfh/T6ujAneNYc9et1wq7u MIME-Version: 1.0 X-Received: by 2002:a05:6e02:11aa:b0:30e:d531:a2e with SMTP id 10-20020a056e0211aa00b0030ed5310a2emr55189ilj.318.1673519139759; Thu, 12 Jan 2023 02:25:39 -0800 (PST) Date: Thu, 12 Jan 2023 02:25:39 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d9ae1305f20e89bd@google.com> Subject: [syzbot] [tmpfs?] kernel BUG in folio_flags From: syzbot To: akpm@linux-foundation.org, hughd@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 9AA9B18000D X-Stat-Signature: qju74y66dxm1qbnjefgo7s7998xpjyjs X-HE-Tag: 1673519140-310766 X-HE-Meta: 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 8GGuwtcM 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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: Hello, syzbot found the following issue on: HEAD commit: 0a093b2893c7 Add linux-next specific files for 20230112 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=15c67c5e480000 kernel config: https://syzkaller.appspot.com/x/.config?x=835f3591019836d5 dashboard link: https://syzkaller.appspot.com/bug?extid=fa6f2ee9039b87ef86c4 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8111a570d6cb/disk-0a093b28.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/ecc135b7fc9a/vmlinux-0a093b28.xz kernel image: https://storage.googleapis.com/syzbot-assets/ca8d73b446ea/bzImage-0a093b28.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fa6f2ee9039b87ef86c4@syzkaller.appspotmail.com dentry_kill fs/dcache.c:745 [inline] dput+0x6ac/0xe10 fs/dcache.c:913 __fput+0x3cc/0xa90 fs/file_table.c:329 task_work_run+0x16f/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xb17/0x2a90 kernel/exit.c:867 do_group_exit+0xd4/0x2a0 kernel/exit.c:1012 get_signal+0x225f/0x24f0 kernel/signal.c:2859 ------------[ cut here ]------------ kernel BUG at include/linux/page-flags.h:317! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 10782 Comm: syz-executor.1 Not tainted 6.2.0-rc3-next-20230112-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:folio_flags.constprop.0+0x122/0x150 include/linux/page-flags.h:317 Code: 52 ff ff ff e8 ff f2 cd ff 48 8d 43 ff 49 39 c4 0f 84 40 ff ff ff e8 ed f2 cd ff 48 c7 c6 40 0b 57 8a 4c 89 e7 e8 2e e4 05 00 <0f> 0b e8 57 c2 1b 00 e9 fe fe ff ff e8 4d c2 1b 00 eb a9 4c 89 e7 RSP: 0018:ffffc90005437b00 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90014e22000 RDX: 0000000000040000 RSI: ffffffff81b3ca02 RDI: 0000000000000000 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffea0000b28100 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffffd400016502c FS: 00007f1e422fd700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005642ce910130 CR3: 000000001cef4000 CR4: 00000000003506f0 Call Trace: folio_test_head include/linux/page-flags.h:780 [inline] folio_test_large include/linux/page-flags.h:801 [inline] folio_nr_pages include/linux/mm.h:1735 [inline] compound_nr include/linux/mm.h:1747 [inline] zero_user_segments.constprop.0+0x262/0x350 include/linux/highmem.h:288 shmem_write_end+0x684/0x780 mm/shmem.c:2600 generic_perform_write+0x316/0x570 mm/filemap.c:3783 __generic_file_write_iter+0x2ae/0x500 mm/filemap.c:3900 generic_file_write_iter+0xe3/0x350 mm/filemap.c:3932 call_write_iter include/linux/fs.h:1852 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x9ed/0xe10 fs/read_write.c:584 ksys_write+0x12b/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1e4168c0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1e422fd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f1e417abf80 RCX: 00007f1e4168c0c9 RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f1e416e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc7e6ac66f R14: 00007f1e422fd300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_flags.constprop.0+0x122/0x150 include/linux/page-flags.h:317 Code: 52 ff ff ff e8 ff f2 cd ff 48 8d 43 ff 49 39 c4 0f 84 40 ff ff ff e8 ed f2 cd ff 48 c7 c6 40 0b 57 8a 4c 89 e7 e8 2e e4 05 00 <0f> 0b e8 57 c2 1b 00 e9 fe fe ff ff e8 4d c2 1b 00 eb a9 4c 89 e7 RSP: 0018:ffffc90005437b00 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90014e22000 RDX: 0000000000040000 RSI: ffffffff81b3ca02 RDI: 0000000000000000 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffea0000b28100 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffffd400016502c FS: 00007f1e422fd700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005642ce910130 CR3: 000000001cef4000 CR4: 00000000003506e0 --- 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.