From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f80.google.com (mail-io1-f80.google.com [209.85.166.80]) (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 8533A274B2E for ; Thu, 11 Sep 2025 20:39:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757623175; cv=none; b=Z1CyUXAOS+UJS1ilIDYzBcii2/aXKrG8exg1qmsc+dXoz+c/HxTWLEwEvjQHOiTvDZ7mGR0FwRT2NPSmDe5h9eAwNaOsjTXQWL+JVjWTq2TkoikvCRiev1iv4S4brM7n9oWflb2eOB3+/RHBupD4kPc/UlsysnJ63u8FupLNdHs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757623175; c=relaxed/simple; bh=sE7Xhd4nymptzNrbw8FwvycuTvZ9DppJQbty0Pc23PE=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=CM4+ysyM9WhwLwVSbynf+W1Z1R1q8PdpTQoxHfcfpZVb7KGBRrazM+96mWDqW5zUrMcIaWXi9PUf1z2SleDGfRqZW+dXF+MDjCjzJkRMdHweNlLoRHlSXLAn6uIMLC4z0F7gdxTZtLIoDdl+wTiIaw+mWt0T687cgseRCuRyj1w= 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=209.85.166.80 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-io1-f80.google.com with SMTP id ca18e2360f4ac-888acb964c8so282084539f.1 for ; Thu, 11 Sep 2025 13:39:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757623171; x=1758227971; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=5jJzln9Oxv++8k8GF8gqWoPMM+xkj0dtehYwHya0GB4=; b=oqrId7CQb6JbXPNtUfIfLNuZGWY/vOyqbxA/O9gGb5KUiOuKBxGpAeRSTdVaBVIS10 UXlfp8SFcTsF/y0gMUHX5zxjHI+/JQp3SCE0V3LkCc0fHiIVXXdGfWfAB4yaQUJ6C+QY d0AxX2dkGthGJ+fIRp/GAyk5aADDDk2HlG7IcbFXS9Pd8mODjzTPnML7W8XtlgeAmMAN v2wUWGo2KygCOJyhCeNmcFwnrxtsXzpqnezIQVB8wakkF7WG3zGnDNQbc7EO80/dqN3B J1TOhjJ8Qp/ttjnxY0fge04WvHg65/euJnsdycB1PQ0EbiSPAbQSCZZZs1hSzp/I83J1 LFSA== X-Forwarded-Encrypted: i=1; AJvYcCWIdpSLMyay4ZTGW8oFotjntTjpdb0+3qcjxE8kTeqDc1Q3o6K12jRlQ/lbvztJ09/roIc28dqwYpZabQ4=@vger.kernel.org X-Gm-Message-State: AOJu0Yxzs7RiSJXP0l0qDzNysVCvKamuJDBrn4CWyePs1OQMqDzHXQul oOXhAgqEXKr0M9qtzhs+LBcfCGItssDS9FLFX/udKm2mcsr3VSVrn3VVNpGPtpTA8yL5CU+LPA/ kA/+/q+U4Xe1ej3VsBhcrpnj2vJjZHLOPn6qjpMHk8ykyAh7temkRfuv/RqY= X-Google-Smtp-Source: AGHT+IEKo2i6gsqDbr7f9ef/ZJegwOu6Gj24s140BtY1OYu2xELtUBOFNc9xaY32a8rWUzDw0ng4jgtQUocBmXi78ZBwSUD05pvY Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:4806:b0:421:3a23:7099 with SMTP id e9e14a558f8ab-4213a2373f9mr3572755ab.19.1757623171591; Thu, 11 Sep 2025 13:39:31 -0700 (PDT) Date: Thu, 11 Sep 2025 13:39:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68c33383.050a0220.2ff435.024c.GAE@google.com> Subject: [syzbot] [jfs?] kernel BUG in lbmIODone (3) From: syzbot To: jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, shaggy@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: b320789d6883 Linux 6.17-rc4 git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=13ea0642580000 kernel config: https://syzkaller.appspot.com/x/.config?x=39f8a155475bc42d dashboard link: https://syzkaller.appspot.com/bug?extid=a5bcc0f04f7131679010 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c497ec86c8e2/disk-b320789d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b1d08f5d7b1c/vmlinux-b320789d.xz kernel image: https://storage.googleapis.com/syzbot-assets/4a27a997250a/Image-b320789d.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a5bcc0f04f7131679010@syzkaller.appspotmail.com BUG at fs/jfs/jfs_logmgr.c:2303 assert(bp->l_flag & lbmRELEASE) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_logmgr.c:2303! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : lbmIODone+0x1294/0x12e8 fs/jfs/jfs_logmgr.c:2303 lr : lbmIODone+0x1294/0x12e8 fs/jfs/jfs_logmgr.c:2303 sp : ffff800097c678d0 x29: ffff800097c67960 x28: 1fffe00018c38ca1 x27: 0000000000000020 x26: 1fffe0001a4f064f x25: dfff800000000000 x24: 0000000000000000 x23: ffff0000c61c6508 x22: ffff0000d2783278 x21: 0000000000000000 x20: 0000000000000020 x19: ffff0000c61c6500 x18: 1fffe00033797688 x17: ffff80008f7de000 x16: ffff80008b00ff28 x15: 0000000000000001 x14: 1ffff00012f8ce90 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012f8ce91 x10: 0000000000ff0100 x9 : 4257e84271db6d00 x8 : 4257e84271db6d00 x7 : ffff800080563d2c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807de8f0 x2 : 0000000000000001 x1 : 0000000100000101 x0 : 000000000000003f Call trace: lbmIODone+0x1294/0x12e8 fs/jfs/jfs_logmgr.c:2303 (P) bio_endio+0x858/0x894 block/bio.c:1651 blk_update_request+0x474/0xba8 block/blk-mq.c:989 blk_mq_end_request+0x54/0x88 block/blk-mq.c:1151 lo_complete_rq+0x124/0x274 drivers/block/loop.c:314 blk_complete_reqs block/blk-mq.c:1226 [inline] blk_done_softirq+0x11c/0x168 block/blk-mq.c:1231 handle_softirqs+0x328/0xc88 kernel/softirq.c:579 run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968 smpboot_thread_fn+0x4d8/0x9cc kernel/smpboot.c:160 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 Code: f004c2c3 911c0063 52811fe2 9793a804 (d4210000) ---[ end trace 0000000000000000 ]--- --- 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