From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5029D29CFB for ; Thu, 14 Nov 2024 07:45:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731570324; cv=none; b=AFmGNi7C21ZzMlSrOMcZ/OK7CQBGxm+nHKXXlOg+4ISqvvzHQeK8aDOz7nSDVFxr28VYBlU2cMvGjkbxCBnhwMjXF3eJiheK/zyygNEFoKu2xq0uG219F4P4L3B0Fn26aB6RF4TbR9xsZRgpVIare+xJ2tCNyx8Nmi/FZ5198WE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731570324; c=relaxed/simple; bh=4aygyGZKY3JPG9WtgXtgxhQU2Igc5mur7ylYHuZWOPY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=kPEuNzRkeheHNdyzUBy4yroTAn+xA6LMd3F/Kd27C9tNHayNI/zvUT4gqwxpNQkW1/1ySor7KjoEMLwYYRsZf7FVB0lxMsZ8hz6G12SIcaWusPXQ5nomDfFw3VzUH2SMbunVfpANIOcjzSlVtgM+qEFyHSIrdb94B6RoLEHy1Mg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-3a6c1907eeaso3776815ab.1 for ; Wed, 13 Nov 2024 23:45:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731570321; x=1732175121; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=PqvmgvBR9m5SljygQm+B9Kx+CKF5bDb/PHHWTNfTiTs=; b=V/v+f2kMgKIuk8v5RkzV6cMc2+efD3ri3pbvT/Gpoq6N6sGj4NthYBkyU0IQFgvPO+ vilpHZVc0s2jbHkuiqSD9zkWG5XbmVuAgUxD12mnCAc+pBfvSJ6dztlqq0V3gl0vWiMJ WOekZ0b2/LXj3Ty8sozXA1MwpcaDYOQcYfvSbTtQIZgsRjxz1g0YH6tODRJsduYMJ1f4 DQ+qr0kPBuwiCsimyX+HjLrwmgl3eXxjnjnxFzcA0/ZNiA+ljx4OlF1KWwOAnKxfr57q 3rPPSptq+Ap7DzOmM/h0JDB+oZXHIej3zueGigWPm8x4AIXz8JXTrtHGSnFdSaHlcoOZ +fUA== X-Forwarded-Encrypted: i=1; AJvYcCVgtUkJ6s0rP9f+loE7Xb9Py4GidtBHOsBryPxNU+bVpdZVreUJbtcCjLeoUWWF3jWzZ0RxoHMhXioguI8=@vger.kernel.org X-Gm-Message-State: AOJu0YwDIEaehYDizXzHx2hKfgW+RTh6X8IdgJVdBSQgrPy8GcoduSMq 1otHrE+sERpt9wChfipjoAW9o0uL7HZSrDQmFVEAUCNxI3pqY+Y+fzUT6HWd8+hmBcrURJ5rmco D25P3y2r54JWL7i+REOjekIzdthBSOo5WCJofVvpbmVvw+yHRBrZ+uls= X-Google-Smtp-Source: AGHT+IFj4OZCCqsm0I4l7H9DrfrhkUA9iQ8WlvvGKBrz2kqraxzcDsKVpg5BhaTCLmDVpPjhHpiM1aQHYBTw/1N+rPLCcO3QAPCa Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1562:b0:3a4:eca2:95f1 with SMTP id e9e14a558f8ab-3a71fe391f0mr14068685ab.6.1731570321482; Wed, 13 Nov 2024 23:45:21 -0800 (PST) Date: Wed, 13 Nov 2024 23:45:21 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6735aa91.050a0220.2a2fcc.0062.GAE@google.com> Subject: [syzbot] [bcachefs?] kernel BUG in __journal_res_get (2) From: syzbot To: kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 0a9b9d17f3a7 Merge tag 'pm-6.12-rc8' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17ac94c0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d2aeec8c0b2e420c dashboard link: https://syzkaller.appspot.com/bug?extid=53bb24d476ef8368a7f0 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-0a9b9d17.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b80dd0292210/vmlinux-0a9b9d17.xz kernel image: https://storage.googleapis.com/syzbot-assets/42a07c5c6678/bzImage-0a9b9d17.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+53bb24d476ef8368a7f0@syzkaller.appspotmail.com bcachefs (loop0): shutdown by ioctl type 1 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/journal.c:359! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5334 Comm: syz.0.0 Not tainted 6.12.0-rc7-syzkaller-00070-g0a9b9d17f3a7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:journal_entry_open fs/bcachefs/journal.c:359 [inline] RIP: 0010:__journal_res_get+0x24cb/0x2670 fs/bcachefs/journal.c:544 Code: 89 f9 80 e1 07 38 c1 0f 8c 0d fe ff ff e8 3d 5a c0 fd e9 03 fe ff ff e8 63 4a 89 07 e8 6e 7d 56 fd 90 0f 0b e8 66 7d 56 fd 90 <0f> 0b e8 5e 7d 56 fd 90 0f 0b e8 56 7d 56 fd 90 0f 0b e8 4e 7d 56 RSP: 0018:ffffc9000cfa71c0 EFLAGS: 00010283 RAX: ffffffff843e6caa RBX: 0000000000000002 RCX: 0000000000040000 RDX: ffffc9000d829000 RSI: 0000000000000848 RDI: 0000000000000849 RBP: ffffc9000cfa7490 R08: ffffffff843e4f14 R09: 1ffff1100a049567 R10: dffffc0000000000 R11: ffffed100a049568 R12: 0000000000000023 R13: 00000000003ffffe R14: ffff88805024a500 R15: 1ffff1100a049545 FS: 00007f212f59b6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f212f59af98 CR3: 000000003c2e0000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_journal_res_get_slowpath+0xe6/0x710 fs/bcachefs/journal.c:606 bch2_journal_res_get+0x12b/0x1c0 fs/bcachefs/journal.h:382 bch2_journal_flush_seq_async+0x524/0x830 fs/bcachefs/journal.c:717 bch2_journal_flush_seq+0xe5/0x2b0 fs/bcachefs/journal.c:772 bch2_ioc_goingdown fs/bcachefs/fs-ioctl.c:361 [inline] bch2_fs_file_ioctl+0x1d17/0x28b0 fs/bcachefs/fs-ioctl.c:581 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f212e77e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f212f59b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f212e936058 RCX: 00007f212e77e719 RDX: 0000000020000080 RSI: 000000008004587d RDI: 0000000000000004 RBP: 00007f212e7f175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f212e936058 R15: 00007fff5924ac88 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:journal_entry_open fs/bcachefs/journal.c:359 [inline] RIP: 0010:__journal_res_get+0x24cb/0x2670 fs/bcachefs/journal.c:544 Code: 89 f9 80 e1 07 38 c1 0f 8c 0d fe ff ff e8 3d 5a c0 fd e9 03 fe ff ff e8 63 4a 89 07 e8 6e 7d 56 fd 90 0f 0b e8 66 7d 56 fd 90 <0f> 0b e8 5e 7d 56 fd 90 0f 0b e8 56 7d 56 fd 90 0f 0b e8 4e 7d 56 RSP: 0018:ffffc9000cfa71c0 EFLAGS: 00010283 RAX: ffffffff843e6caa RBX: 0000000000000002 RCX: 0000000000040000 RDX: ffffc9000d829000 RSI: 0000000000000848 RDI: 0000000000000849 RBP: ffffc9000cfa7490 R08: ffffffff843e4f14 R09: 1ffff1100a049567 R10: dffffc0000000000 R11: ffffed100a049568 R12: 0000000000000023 R13: 00000000003ffffe R14: ffff88805024a500 R15: 1ffff1100a049545 FS: 00007f212f59b6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f212f59af98 CR3: 000000003c2e0000 CR4: 0000000000352ef0 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup