From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) (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 11836364EB6 for ; Tue, 24 Feb 2026 11:13:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771931605; cv=none; b=I9m9m17JJm0N63GWNfiSzhExZPNFLpNVEN4CT+6bFi2AXxP3Poill4uC/JKAJHKYObetkVaH7Z8gqc+P6c6eJzQ7ok3L7ZF55nwmJxrUjbPFWlaLqh2mkUXOpvVU7tEc303nIchr/S9NlHlvdjbuHQq7bsjhnGsL+711gmJmiWo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771931605; c=relaxed/simple; bh=kMiaks7xiUrIVFlvzE/mQZda3u9BKAnG+YkYp/17yow=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=u56lPMHfHMxmNnAgUvA4UCAnO/B6ze/ZIgUZ4PT+WZH3G5wqJ4Ly/Ns394zfyxn3RF5KLc1VAEQDvGKTi2UhfKSkIfxOvFEKTCKNDm63G/RnBTfyC3A0ts3fUwp641YmHzkTM/qwc3L0lDSPk4LYGkpRSew4vq4x73y+o4viknM= 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=209.85.161.69 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-oo1-f69.google.com with SMTP id 006d021491bc7-679deba5e9fso7765041eaf.0 for ; Tue, 24 Feb 2026 03:13:23 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771931603; x=1772536403; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=yqGKpgU7Y9MSDlF3tb5I3kiochKIUksL5yOplT2ZXQI=; b=UZm+UP72BCkB9ShwHkiOc6NDQv1Qdp45qL3hRybZgSQwPTPxVKr2NKfU5894lLk9/u ooZK1k5NY3LWYE/3RvcmILj+lfH0PuRx43sYqCCfEH4yRgGArsGlz7QSOkH1UCwSUklq RKj6o3+zyuZ2mdtlD0/sLWkSC2H/tpBNqgUc5HBynlbQnlCyUWjvMRX3R0N1YbxPlZ0E pwsvZUMgCOlz2aRLMo88HZxZZM+Y0DnnwiTT9w43G6afcgkDWAwGfqwWrWGqw0KiKWba ty+EBveCTr3cP7jyTtvt/UYRVsa+NRhTCGEileSABpM3YbbJ8OhTbmNBAEsJQqUU4w9o 6Qxw== X-Forwarded-Encrypted: i=1; AJvYcCVfCcWWM22bkoYujq8TT1dXe5RU/04DVTHKC9ubSbJN2dowZKLg8lf6HUmlUlHJrkxfi8mxzPAhcK4vnoE=@vger.kernel.org X-Gm-Message-State: AOJu0Yy6tJkH7a+e7KcvS8dnKvDLR6TF0B2eWOaMCJj9RF3tuEajrOoj Gb0KBXoiL42M96/mNUKvRu70ZfzHDEpEqW5MowldZifWnWHyL3Xlf53o1s9PsgxOQIVWgU6E9sd pLN+5/osTavDDHlle2DFqV0QV+2K1G4rmz1wYjjKBWOaZGVw00NgloOrm/Vc= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:221e:b0:679:bbd4:605e with SMTP id 006d021491bc7-679c4268b94mr6347000eaf.16.1771931603041; Tue, 24 Feb 2026 03:13:23 -0800 (PST) Date: Tue, 24 Feb 2026 03:13:23 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <699d87d3.050a0220.247d23.040e.GAE@google.com> Subject: [syzbot] [ide?] WARNING in ata_scsi_deferred_qc_work From: syzbot To: cassel@kernel.org, dlemoal@kernel.org, linux-ide@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: 8bf22c33e7a1 Merge tag 'net-7.0-rc1' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1500795a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e2f061f80b102378 dashboard link: https://syzkaller.appspot.com/bug?extid=bcaf842a1e8ead8dfb89 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 (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-8bf22c33.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/7e8e85f2840a/vmlinux-8bf22c33.xz kernel image: https://storage.googleapis.com/syzbot-assets/246ca754a755/bzImage-8bf22c33.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+bcaf842a1e8ead8dfb89@syzkaller.appspotmail.com ------------[ cut here ]------------ ap->ops->qc_defer(qc) WARNING: drivers/ata/libata-scsi.c:1677 at ata_scsi_deferred_qc_work+0x199/0x1f0 drivers/ata/libata-scsi.c:1677, CPU#2: kworker/2:1H/796 Modules linked in: CPU: 2 UID: 0 PID: 796 Comm: kworker/2:1H Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: events_highpri ata_scsi_deferred_qc_work RIP: 0010:ata_scsi_deferred_qc_work+0x199/0x1f0 drivers/ata/libata-scsi.c:1677 Code: 48 48 8b bb 90 df ff ff 48 89 ee 5b 5d 41 5c 41 5d 41 5e 41 5f e9 f7 58 15 05 e8 12 03 f8 fb e9 0d ff ff ff e8 98 a3 8b fb 90 <0f> 0b 90 eb 86 4c 89 ff e8 2a 03 f8 fb e9 bb fe ff ff 4c 89 ef e8 RSP: 0018:ffffc90004b3fc10 EFLAGS: 00010093 RAX: 0000000000000000 RBX: ffff888029a32080 RCX: ffffffff867cf7ef RDX: ffff888027ab2480 RSI: ffffffff867cf868 RDI: ffff888027ab2480 RBP: 0000000000000246 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 000000000000760b R12: 0000000000000001 R13: ffff888029a30010 R14: ffff888029a31710 R15: ffff888029a320c8 FS: 0000000000000000(0000) GS:ffff8880d6548000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c347c45 CR3: 0000000027487000 CR4: 0000000000352ef0 Call Trace: process_one_work+0x9d7/0x1920 kernel/workqueue.c:3275 process_scheduled_works kernel/workqueue.c:3358 [inline] worker_thread+0x5da/0xe40 kernel/workqueue.c:3439 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 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