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 5597EC61DA4 for ; Mon, 6 Mar 2023 17:45:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230137AbjCFRp5 (ORCPT ); Mon, 6 Mar 2023 12:45:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230145AbjCFRpt (ORCPT ); Mon, 6 Mar 2023 12:45:49 -0500 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE6A76BDCD for ; Mon, 6 Mar 2023 09:45:14 -0800 (PST) Received: by mail-io1-f72.google.com with SMTP id y187-20020a6bc8c4000000b0074d28aa136dso5685057iof.13 for ; Mon, 06 Mar 2023 09:45:14 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678124678; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=DvGwBPTQ7j4fKwRJaqe9v0f7Zi4TnEYXY8bTeBecqR4=; b=aOqwwgqHkz/YZfxaXnRklFlTTJ/kf6p5TAstEBowQR19oQQUBzoTH0zji1QbPwJZtz zYIBbj5YRNU8FQdEiTaa02CHgvTyEM9ZmAq3ubSKAdoprrg0/mQb94N/VNNsSx5YhTR0 io1fQSn9A7mkVTG8vmnsClUVckMPJVa3c8Eax1wahr1fsxWMUnhP3DxtB5F3IPn7rvcI 6gX0/Gtelk06mRZAG/1Od9kcnarG6LM1EB8hxfT7vZZvo7IoBB40QtBsrBTYdcheEOW5 vfa5DPXmB4c6SdcqRDJDrhJ35Fm8zAKuBXyXejJ0i7qpEQ0nJD1M6b/YmYO3wTsWykGK CPuA== X-Gm-Message-State: AO0yUKW37KdfZOsngSfkSalTtSgdMaIggO8EvJCcPoQViQkQf87ZbIpe JF+fJISGKUK+2wZFLSQryL2HDjGPRF+u8vNVr7IGlFg0v+XHPFY= X-Google-Smtp-Source: AK7set/whmgHHHaEz+dxLemDH8Mpf08oeUidi88EJ9qB9lD9fwWkfeSEUBp++VkaZXUH9HZ/AUSU8/JXgqqMcKH2YuOR5QMsZ8vn MIME-Version: 1.0 X-Received: by 2002:a02:95cd:0:b0:3c5:15d2:9a1c with SMTP id b71-20020a0295cd000000b003c515d29a1cmr5734944jai.2.1678124678137; Mon, 06 Mar 2023 09:44:38 -0800 (PST) Date: Mon, 06 Mar 2023 09:44:38 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005451a705f63ed952@google.com> Subject: [syzbot] [hfs?] kernel BUG in hfsplus_bnode_unhash From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com 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: 0988a0ea7919 Merge tag 'for-v6.3-part2' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17ee96e4c80000 kernel config: https://syzkaller.appspot.com/x/.config?x=ff98a3b3c1aed3ab dashboard link: https://syzkaller.appspot.com/bug?extid=65f654e7ff6234bf771f 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+65f654e7ff6234bf771f@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:461! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 100 Comm: kswapd0 Not tainted 6.2.0-syzkaller-13467-g0988a0ea7919 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:hfsplus_bnode_unhash+0xf7/0x1e0 fs/hfsplus/bnode.c:461 Code: 2b e8 fd e7 34 ff 48 8d 6b 20 48 89 e8 48 c1 e8 03 42 80 3c 28 00 0f 85 b3 00 00 00 48 8b 5b 20 48 85 db 75 d2 e8 d9 e7 34 ff <0f> 0b e8 d2 e7 34 ff e8 cd e7 34 ff 49 8d 7c 24 20 48 b8 00 00 00 RSP: 0018:ffffc90001587348 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880160f0100 RSI: ffffffff824f32d7 RDI: ffff88802a310120 RBP: ffff88802a310000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888029372a00 R13: 0000000000000000 R14: ffffea00009f81c0 R15: 0000000000001000 FS: 0000000000000000(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7fd8638528 CR3: 0000000071e75000 CR4: 0000000000150ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_release_folio+0x285/0x5f0 fs/hfsplus/inode.c:102 filemap_release_folio+0x13f/0x1b0 mm/filemap.c:4121 shrink_folio_list+0x1fe3/0x3c80 mm/vmscan.c:2010 evict_folios+0x794/0x1940 mm/vmscan.c:5121 try_to_shrink_lruvec+0x82c/0xb90 mm/vmscan.c:5297 shrink_one+0x46b/0x810 mm/vmscan.c:5341 shrink_many mm/vmscan.c:5394 [inline] lru_gen_shrink_node mm/vmscan.c:5511 [inline] shrink_node+0x2064/0x35f0 mm/vmscan.c:6459 kswapd_shrink_node mm/vmscan.c:7262 [inline] balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7452 kswapd+0x70b/0x1000 mm/vmscan.c:7712 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfsplus_bnode_unhash+0xf7/0x1e0 fs/hfsplus/bnode.c:461 Code: 2b e8 fd e7 34 ff 48 8d 6b 20 48 89 e8 48 c1 e8 03 42 80 3c 28 00 0f 85 b3 00 00 00 48 8b 5b 20 48 85 db 75 d2 e8 d9 e7 34 ff <0f> 0b e8 d2 e7 34 ff e8 cd e7 34 ff 49 8d 7c 24 20 48 b8 00 00 00 RSP: 0018:ffffc90001587348 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880160f0100 RSI: ffffffff824f32d7 RDI: ffff88802a310120 RBP: ffff88802a310000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888029372a00 R13: 0000000000000000 R14: ffffea00009f81c0 R15: 0000000000001000 FS: 0000000000000000(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7fd8638528 CR3: 0000000071e75000 CR4: 0000000000150ef0 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.