From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f207.google.com (mail-oi1-f207.google.com [209.85.167.207]) (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 707D032E728 for ; Tue, 16 Jun 2026 17:32:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781631153; cv=none; b=sbRVqAxdS9kxKgUn1pwdg6wh2jv93bQy6imwQHHwbA4vSBTzGfzC6KSfx+UTSeDzxJefaCCqVjtC+iHVR7YFfph/CCw11nSx0IWptUO7WlIcH4ii3lvWDNEMNw0zc1mh/RrpvoMZEyft+yKxd/KJtdkq6x7KYgXDByzA7GhP810= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781631153; c=relaxed/simple; bh=v0rzkkpQ9vJ5dCcbw15zq785Wlk5xglj27LqFx+x0/8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=R8uvl/YizO1LE3DstS8M+qDv2UomuH4R59fcSV5FsXCvXz8YPgJ/JRO1Kb05ik0DfplBrbQ/80M0uyQKDmnb8j4fFolalFIDF6sbVgnlp4ZXAVSk/pTUMs7Ul/MGvxMRvp0osk8viyQXtmXAndlIiIUwiqXn+e3xuj3vv9h9CJY= 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=209.85.167.207 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-oi1-f207.google.com with SMTP id 5614622812f47-48656ba24fdso7277515b6e.2 for ; Tue, 16 Jun 2026 10:32:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781631151; x=1782235951; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=IrMh4n+j/rBgbbPW5lD4A78+ISSghDC7l+3AvO9k8Zc=; b=WbDToR5Fiht29KPLLZckB9rbxbK99uUOtu0yKfFbDiEubmJz89Zwrk3n7mXlIB/lWD vMycLwP+6lewmK/XIpwkk6Xy7H/+YVnJgd3g8efWJDCkW9gEexK6Id01LDo05p79Yv7N 1h1tClAqyWBQUOuowmZWa+s+R7y7RVaOFewSnIlviHjHolVWIa7CqlVGs7q+4ihRxVGw 171LxRqRdiTrL4iWUZzU74pkqoZbqx3L9MKkKlJATTUFGdT7jxDScTpggw/SzuWLqY5g B3o3m5ha3Mu7NJIsDqNi03QKk/GJmYhWBc9vPpVqlSTXiTPDRu+zQr+hNAxGvjZApMv8 j2QA== X-Forwarded-Encrypted: i=1; AFNElJ9zt/2MV/5HdvgdJZqJ7wQgUf9I69dDLZBhIcnGOK2XC5XsocuynZTaQdT8KUWpWj/lC9zJNadujq8hFI8=@vger.kernel.org X-Gm-Message-State: AOJu0YyZiB8r2jyekDKsUi8xpq4vbOACQ2T2T5BYego5yTsrk4a6Zl47 mUKY568KmYNURNK3Hk5DQnvCvA08c19rAi5QjJ7hRueAaVCdy+ncpGda/tYBbQjMq4tIDW9uiaQ VkqNl2UVgtGmw9PigyFFIXIc0s47lVlzVePQNof2E5XF1FNbG3cNWNDqHMic= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:178c:b0:47c:be93:9212 with SMTP id 5614622812f47-4894294fc98mr500397b6e.18.1781631151386; Tue, 16 Jun 2026 10:32:31 -0700 (PDT) Date: Tue, 16 Jun 2026 10:32:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a3188af.d1b4d54b.11ef78.0029.GAE@google.com> Subject: [syzbot] [jfs?] WARNING in dbJoin 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: b1cbabe84ca1 Merge tag 'for-7.2/dm-changes' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1483a3b6580000 kernel config: https://syzkaller.appspot.com/x/.config?x=effd10de8797244 dashboard link: https://syzkaller.appspot.com/bug?extid=a67911c5a11315aa55a8 compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/965fde89d8ba/disk-b1cbabe8.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/6e68a7e15b8d/vmlinux-b1cbabe8.xz kernel image: https://storage.googleapis.com/syzbot-assets/6ffa4967bc81/bzImage-b1cbabe8.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a67911c5a11315aa55a8@syzkaller.appspotmail.com ------------[ cut here ]------------ lp >= size || lp < 0 WARNING: fs/jfs/jfs_dmap.c:2962 at dbAdjTree fs/jfs/jfs_dmap.c:2962 [inline], CPU#1: jfsCommit/128 WARNING: fs/jfs/jfs_dmap.c:2962 at dbJoin+0xc33/0xd60 fs/jfs/jfs_dmap.c:2930, CPU#1: jfsCommit/128 Modules linked in: CPU: 1 UID: 0 PID: 128 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:dbAdjTree fs/jfs/jfs_dmap.c:2962 [inline] RIP: 0010:dbJoin+0xc33/0xd60 fs/jfs/jfs_dmap.c:2930 Code: eb 0c e8 a0 ca 6e fe eb 05 e8 99 ca 6e fe 31 c0 48 83 c4 68 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 7e ca 6e fe 90 <0f> 0b 90 eb df 44 89 e9 80 e1 07 38 c1 0f 8c 00 f4 ff ff 4c 89 ef RSP: 0000:ffffc9000156fa28 EFLAGS: 00010293 RAX: ffffffff8355f172 RBX: 0000000000000155 RCX: ffff88801eb75d00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff940002ddfb9 R12: dffffc0000000000 R13: ffff88805bbf7020 R14: 0000000000020056 R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff88812647d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f39082e6000 CR3: 00000000600f2000 CR4: 00000000003526f0 Call Trace: dbFreeBits+0x4a2/0xd70 fs/jfs/jfs_dmap.c:2427 dbFreeDmap fs/jfs/jfs_dmap.c:2176 [inline] dbFree+0x324/0x650 fs/jfs/jfs_dmap.c:485 txFreeMap+0x7ff/0xde0 fs/jfs/jfs_txnmgr.c:2536 txUpdateMap+0x32d/0x9f0 fs/jfs/jfs_txnmgr.c:-1 txLazyCommit fs/jfs/jfs_txnmgr.c:2666 [inline] jfs_lazycommit+0x3f3/0xa20 fs/jfs/jfs_txnmgr.c:2735 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 --- 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