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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8992AC32771 for ; Sat, 24 Sep 2022 23:36:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234054AbiIXXgI (ORCPT ); Sat, 24 Sep 2022 19:36:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234013AbiIXXgF (ORCPT ); Sat, 24 Sep 2022 19:36:05 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE52C399CB for ; Sat, 24 Sep 2022 16:36:02 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id f11-20020a5d858b000000b006a17b75af65so1909878ioj.13 for ; Sat, 24 Sep 2022 16:36:02 -0700 (PDT) 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; bh=yTVKjYEt6Qsc4Nk9uruEWmQ7qup20JIbZji1PM3bE+8=; b=w4Lqz5r53fbDTIk//vZZdCqzuj92PC4vEqwI1IMZuz8ZMY75rVI4lDlRVYhGTeSN24 EYjgie82JaCN06ssPlh5hZVmM+ajs4i8h3kaul9wQmqR1C5LnTwE7bQvbs58y+Eq7lf+ FDjrc8kpDs7kpJxZL1+x92G7u8fl0UNHCwntziVM5rJa9J4B2xkenMtECBkQAY7ysp61 k4cEX06Lp7efxWQzXV4OqsuKMFA4hf1XzusCwRz7OF+GKZM7dZP09CxFH596JBZKXmDy AIlgYqmaidJ7YLpPVvvkpLq/YNiwy3ffZ+RBwv3H8W9LV+0oh3Xy/rlV77HACtrXQuQF 2R2Q== X-Gm-Message-State: ACrzQf1zL8Z4zKSUvKeDRk0lEqoMp0HBXQvc92PqQ8Q74S8OXchaB5XC NdXxTnho/ifAy2KL2R0lQ9EaX+lfyFQHpX9CLfhCYfZht4Ml X-Google-Smtp-Source: AMsMyM5G4iJY3OHLuYXGnWxUIu9foPRwWGpgDMstOdWr2d67mKjdTwg6LGHP4TYg1Ir6Ob8Ch9NwNGp8FsGkpqXZGRLKLPSwuXRi MIME-Version: 1.0 X-Received: by 2002:a05:6602:1687:b0:6a4:d44:74bf with SMTP id s7-20020a056602168700b006a40d4474bfmr5232265iow.80.1664062561998; Sat, 24 Sep 2022 16:36:01 -0700 (PDT) Date: Sat, 24 Sep 2022 16:36:01 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e4630c05e974c1eb@google.com> Subject: [syzbot] BUG: unable to handle kernel paging request in evict From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 200e340f2196 Merge tag 'pull-work.dcache' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=163e7eb6080000 kernel config: https://syzkaller.appspot.com/x/.config?x=a3f4d6985d3164cd dashboard link: https://syzkaller.appspot.com/bug?extid=6b74cf8fcd7378d8be7c 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. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6b74cf8fcd7378d8be7c@syzkaller.appspotmail.com BUG: unable to handle page fault for address: ffffffffffffffc8 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD ba8f067 P4D ba8f067 PUD ba91067 PMD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 10298 Comm: syz-executor.4 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:lock_acquire kernel/locking/lockdep.c:5666 [inline] RIP: 0010:lock_acquire+0x1aa/0x570 kernel/locking/lockdep.c:5631 Code: 48 81 64 24 08 00 02 00 00 44 89 fe 6a 00 4c 89 f7 6a 00 ff b4 24 f8 00 00 00 ff 74 24 18 41 0f 94 c1 45 0f b6 c9 e8 b5 94 ff 48 c7 c7 a0 8a cc 89 48 83 c4 20 e8 25 68 19 08 b8 ff ff ff ff RSP: 0018:ffffc90013b2f9e8 EFLAGS: 00010092 RAX: 0000000000000001 RBX: 1ffff92002765f43 RCX: ffffffff815e4bee RDX: 1ffff11003c8b8ae RSI: 0000000000000001 RDI: ffffffff8f67d5d8 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff9068e94f R10: fffffbfff20d1d29 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88801dac49d8 R15: 0000000000000000 FS: 00007fc2d48ce700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 000000002043b000 CR4: 0000000000350ef0 Call Trace: __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] inode_sb_list_del fs/inode.c:502 [inline] evict+0x179/0x6b0 fs/inode.c:653 iput_final fs/inode.c:1744 [inline] iput.part.0+0x562/0x820 fs/inode.c:1770 iput+0x58/0x70 fs/inode.c:1760 ntfs_fill_super+0x2d75/0x3750 fs/ntfs3/super.c:1180 get_tree_bdev+0x440/0x760 fs/super.c:1292 vfs_get_tree+0x89/0x2f0 fs/super.c:1497 do_new_mount fs/namespace.c:3040 [inline] path_mount+0x1320/0x1fa0 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc2d368a73a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007fc2d48cdf88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fc2d368a73a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fc2d48cdfe0 RBP: 00007fc2d48ce020 R08: 00007fc2d48ce020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fc2d48cdfe0 R15: 000000002007aa80 Modules linked in: CR2: ffffffffffffffc8 ---[ end trace 0000000000000000 ]--- RIP: 0010:lock_acquire kernel/locking/lockdep.c:5666 [inline] RIP: 0010:lock_acquire+0x1aa/0x570 kernel/locking/lockdep.c:5631 Code: 48 81 64 24 08 00 02 00 00 44 89 fe 6a 00 4c 89 f7 6a 00 ff b4 24 f8 00 00 00 ff 74 24 18 41 0f 94 c1 45 0f b6 c9 e8 b5 94 ff 48 c7 c7 a0 8a cc 89 48 83 c4 20 e8 25 68 19 08 b8 ff ff ff ff RSP: 0018:ffffc90013b2f9e8 EFLAGS: 00010092 RAX: 0000000000000001 RBX: 1ffff92002765f43 RCX: ffffffff815e4bee RDX: 1ffff11003c8b8ae RSI: 0000000000000001 RDI: ffffffff8f67d5d8 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff9068e94f R10: fffffbfff20d1d29 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88801dac49d8 R15: 0000000000000000 FS: 00007fc2d48ce700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 000000002043b000 CR4: 0000000000350ef0 --- This report is generated by a bot. 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