From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 D739518D63A for ; Wed, 6 Nov 2024 04:18:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730866686; cv=none; b=lvcS7UfAn3zhrrAqr0IIHEb+UAMruWlpjQCaRPdduo+tzQZWAdqCI6NmZvUhd4O793rufEPhZ3Wel1p6nXavWkMW7ZbJqOAKN92TLEXbkkKumvKesH9hz6aw/4A9LgUwzHqEbb+5YSR5VTxlaYfXnHsCZz4A6Gso1bvHP4PwRlE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730866686; c=relaxed/simple; bh=UsvyeQwFOXvv6+VXcRzjvnK6RKi6GGF11RmCxqB8K0k=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=lcMir4pCY3GaXGPTF5NTkscCx6rWVu1UhbDvO5ARWI4Tw1i0NvoS/SIspMllZC/VlE5GLLr0Qys2fwLZP4WHrLrsNfxbfaeJofOAZ3YtDFtdkFkPs/JhFFWkWEsfOkFZSSTmTazvy3oAKS4ZdhUoZWEblIviFbAlnh3e9EFBobA= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3a6b7974696so49472185ab.1 for ; Tue, 05 Nov 2024 20:18:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730866684; x=1731471484; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Ky0pjP0MyMB/9Y+3wQlKW8z7mKjqaQGMXxUNw6OuBtY=; b=J097ofsaZnksHE2lLwWAij3LGBOQ54sOJODfwd0z2vGkI9dkH/qeuzjpeGY3TP/vCt kqYC00QWrNyrA8kPwW9HHIVWZWbJ6UjtcfclYHx1n2RaOmy5ehuTDnw9fgewFy/3RRo2 tZs3xqzy0BOW5CERTZTC8IK6qKzDyoNDFM9UilfPhE8OvFMr5mWzLm+OS5HOnT/2r27w 3j8kSZ2F6kTt+N659+H2hTvioSs+1pR0cDP5bRLNLJ0pxXBdmYncBz5hh4BRP5iojeJS eluTT1q5ksqsqZ3auvZx6wOxXgHxRFyIJlvk/VYeQAwOsHydSj933TnkmUJNPVyjGkWy 1ZDw== X-Forwarded-Encrypted: i=1; AJvYcCVfjXeTc/d6LXr2Dc+XRoBdJHVxUIMBLYrMb6I9YRt4JXD/xSmd+8/vL/9tiQjQYxgkMni11jGxirtRDA==@vger.kernel.org X-Gm-Message-State: AOJu0Yytshwo4CDWaoTzKZQCac2z3kOSCe9CuexuWiQ8ZbiHdWSXva/B IQDkInlRttQmpsLr7APaQOnrhRx4vIU3skU4yCNHQVDEwpVlHKSDtGEmBT0LkJINWEuMH3DSVXK rarSBNYEI4YNcqAWTujvUxwoVt5Exbvip1a9R8+E2ySn6bgZqYFPCOIY= X-Google-Smtp-Source: AGHT+IF9DA3K1n/dhePvzfFzpVBSG/hE0HFkSo+hk+R0r0yj/kZKXbSM2S8qmluaj9BUmbOqKtIVuy7jKBUS8RwFrT/Jx3REKKnW Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c41:b0:3a5:d2a:10e0 with SMTP id e9e14a558f8ab-3a6b0229ecbmr171859145ab.5.1730866683853; Tue, 05 Nov 2024 20:18:03 -0800 (PST) Date: Tue, 05 Nov 2024 20:18:03 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <672aedfb.050a0220.2a847.1b23.GAE@google.com> Subject: Re: [syzbot] [block?] possible deadlock in blk_mq_alloc_request From: syzbot To: axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+ca7d7c797fee31d2b474@syzkaller.appspotmail.com Tested-by: syzbot+ca7d7c797fee31d2b474@syzkaller.appspotmail.com Tested on: commit: 72697401 block: don't verify IO lock for freeze/unfree.. git tree: https://github.com/ming1/linux.git for-next console output: https://syzkaller.appspot.com/x/log.txt?x=172b9d5f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=dfea72efa3e2aef2 dashboard link: https://syzkaller.appspot.com/bug?extid=ca7d7c797fee31d2b474 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.