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 38DBDC4321E for ; Wed, 30 Nov 2022 19:58:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229780AbiK3T6l (ORCPT ); Wed, 30 Nov 2022 14:58:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229740AbiK3T6k (ORCPT ); Wed, 30 Nov 2022 14:58:40 -0500 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 48A0A8C696 for ; Wed, 30 Nov 2022 11:58:39 -0800 (PST) Received: by mail-il1-f200.google.com with SMTP id q6-20020a056e020c2600b00302664fc72cso16361696ilg.14 for ; Wed, 30 Nov 2022 11:58:39 -0800 (PST) X-Google-DKIM-Signature: v=1; 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charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 644e9524388a Merge tag 'for-v6.1-rc' of git://git.kernel.o.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=134bee03880000 kernel config: https://syzkaller.appspot.com/x/.config?x=8d01b6e3197974dd dashboard link: https://syzkaller.appspot.com/bug?extid=3706b1df47f2464f0c1e compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1476f2c3880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e6e3c9880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0968428e17b4/disk-644e9524.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fd4c3bfd0777/vmlinux-644e9524.xz kernel image: https://storage.googleapis.com/syzbot-assets/ee4571f27f1c/bzImage-644e9524.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/68219d51df73/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3706b1df47f2464f0c1e@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3706 at fs/btrfs/transaction.c:132 btrfs_put_transaction+0x377/0x3d0 Modules linked in: CPU: 0 PID: 3706 Comm: btrfs-transacti Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:btrfs_put_transaction+0x377/0x3d0 fs/btrfs/transaction.c:131 Code: da 31 c0 e8 bd 56 09 07 e9 e5 fd ff ff e8 a1 a1 03 fe 0f 0b e9 f7 fc ff ff e8 95 a1 03 fe 0f 0b e9 69 fd ff ff e8 89 a1 03 fe <0f> 0b e9 89 fd ff ff e8 7d a1 03 fe 4c 89 ff be 03 00 00 00 48 83 RSP: 0018:ffffc90003fefbf8 EFLAGS: 00010293 RAX: ffffffff8386f627 RBX: ffff8880188b3330 RCX: ffff8880799eba80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff8880188b3000 R08: ffffffff8386f330 R09: ffffed1003116603 R10: ffffed1003116603 R11: 1ffff11003116602 R12: ffff8880188b3028 R13: dffffc0000000000 R14: ffff888027cecce8 R15: ffff8880188b3010 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b2eb954e90 CR3: 0000000027fcd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_cleanup_transaction+0x55b/0x1b60 fs/btrfs/disk-io.c:5237 transaction_kthread+0x3f5/0x490 fs/btrfs/disk-io.c:1913 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 --- 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches