From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f80.google.com (mail-ot1-f80.google.com [209.85.210.80]) (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 906DA7080D for ; Thu, 13 Aug 2026 00:09:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786579778; cv=none; b=sOfLPB4Rlv+IDDVL1OVwEDTh6AbGk+brKptegH9h2HpXx2HiY0iWDVPm8wbDatTdivSYiiA4la0hNM/m6ccwvcE3OpwS1d/7mf0RUk+PnhSCxGlZxNT4qQQsEQHrwAQDv46y3+m9j7XnEGAfqA9HM166ScTGfgP2xhTuNa6A+E4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786579778; c=relaxed/simple; bh=W0Q1bpZD3t3n+SGI5Ea8+Gwd9eOwnTOdNnBajhjQB/0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=HDAu0nBRbg6kQyc/bopPO3hB8lCVD/cnUGcGLHr4iKUt+JFyHq5xXMuC/FI2TmF67Dq/DNPDN+zF3z8NQMiP0CAqMOsIBirDfoa8XAUtEH7jN+oW9xqQe/k+lZSVjYpUmoLYZuf1NxkJYMNZTLqRzkGc4ZAh3/EFE+lF08Aq6V0= 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=209.85.210.80 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-ot1-f80.google.com with SMTP id 46e09a7af769-7e9e2db9914so581854a34.1 for ; Wed, 12 Aug 2026 17:09:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786579775; x=1787184575; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=hJNI0d+L/kW58SMi8YpL1wxJse/mqRbOAQMOBroOL18=; b=tI+ZILbcZ0V/CHaLhut4r/cOYTQ0guSCXqHMRgk17DO5PkoCKDH/zcsTHrG2ikj79p V4S8fOxdEMpRj1/6c6l1rP+2ffJjwtiyMOopODywfh/w9IGIiLoraHWlKUxCCS9ZSBE/ ZjkgpFRBTfh1Vc4JRR/vwDNb0QXqRcAXECAHwdY4GLCcpI76GdZIIJYBqNca2WBtUM7r oDGHwQPw2KMp103fD/YXRplQcWAsef8h8uWftbGmOZnst41vA9kYNGpDn17E2PU8oGMz I/N+WGoyYS4OsMQj2bRzQsd5+JJykwlqenCJHUm1GDnyQa3p93OIHdp6Ko3itn3f+fy/ KItg== X-Forwarded-Encrypted: i=1; AHgh+RpwZ/VcKAqqDC21Dg6bLuChGaZueD3p8NkYzf5AMjyKV/wEFAXC0kzBt9ByIxWSMMeERx3ixdRH0y5cGK4=@vger.kernel.org X-Gm-Message-State: AOJu0YyY3cwy9taXQ+txJDh8iR93GKzX9QJqL2YwQ4XqxBMjlEnYzq0l KpG3BsSMdXCBV+ei/m8FAETfFACKrqaIgxLXfx/vpHcMsfQlkRIPODsW4iKgAbZOrsbV70+nJd/ eD5iVC+2sfDMtR6McLGo/kDOLc+xl9ab3FuZABjXSC+pcIs4KroI1Aysgz1s= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:198b:b0:6ae:4959:e1ba with SMTP id 006d021491bc7-6b0c5b8be01mr1559651eaf.10.1786579775508; Wed, 12 Aug 2026 17:09:35 -0700 (PDT) Date: Wed, 12 Aug 2026 17:09:35 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a7d0b3f.ac361c09.22ff0a.004c.GAE@google.com> Subject: [syzbot] [block?] WARNING in blk_revalidate_disk_zones From: syzbot To: axboe@kernel.dk, dlemoal@kernel.org, linux-block@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: d58772d8520c Merge tag 'regmap-fix-v7.2-rc7' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=160ad132580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c44651ea7dd2f307 dashboard link: https://syzkaller.appspot.com/bug?extid=643a6dd130546afdf1fb compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/cef626cbb901/disk-d58772d8.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/99faa1c91124/vmlinux-d58772d8.xz kernel image: https://storage.googleapis.com/syzbot-assets/cf8806baff68/bzImage-d58772d8.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+643a6dd130546afdf1fb@syzkaller.appspotmail.com null_blk: nullb1: using native zone append ------------[ cut here ]------------ !blk_queue_is_zoned(q) WARNING: block/blk-zoned.c:2357 at blk_revalidate_disk_zones+0x962/0xce0 block/blk-zoned.c:2357, CPU#1: syz.4.694/8600 Modules linked in: CPU: 1 UID: 0 PID: 8600 Comm: syz.4.694 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:blk_revalidate_disk_zones+0x962/0xce0 block/blk-zoned.c:2357 Code: e8 73 15 fc fc 49 81 fe 00 f0 ff ff 0f 87 00 02 00 00 e8 c1 1a fc fc 4c 89 f7 e8 c9 c2 c9 fc e9 ce fa ff ff e8 af 1a fc fc 90 <0f> 0b 90 41 be fb ff ff ff e9 d5 fb ff ff e8 2b a9 6c fd e9 5c f7 RSP: 0018:ffffc9000388f918 EFLAGS: 00010287 RAX: 0000000000004d06 RBX: ffff88804bda7000 RCX: ffffc900063c1000 RDX: 0000000000080000 RSI: ffffffff850e58d1 RDI: ffff888079178000 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88802b726670 R13: 0000000000000000 R14: ffff88807e08e018 R15: ffff88804bda7090 FS: 00007f108a7486c0(0000) GS:ffff888123eec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd5511556c8 CR3: 0000000056586000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: null_add_dev+0x125f/0x1df0 drivers/block/null_blk/main.c:2047 nullb_device_power_store+0x29d/0x350 drivers/block/null_blk/main.c:501 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x302/0x4e0 fs/configfs/file.c:229 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6ac/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f108979e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f108a748028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f1089a25fa0 RCX: 00007f108979e0d9 RDX: 0000000000000002 RSI: 0000200000000700 RDI: 0000000000000005 RBP: 00007f1089835024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1089a26038 R14: 00007f1089a25fa0 R15: 00007ffc5551d348 --- 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