From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 CFDB6382 for ; Sun, 1 Dec 2024 00:11:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733011865; cv=none; b=qGktmtpFlXHLc5PGk0Zx1D8B2/tnxobX+q845rhLW3IyJHuyOuuTapL4UCOqxnw8tDiQdIJkGBYTEv/zEjJ+YuFTo+KxI57P58H9ftdfIgKq3kPhte5Su/I/AJh8KV4rlvPHpivwnjBB+1VnxrlwTxfiiY6L5oivpaW4ivfkXWw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733011865; c=relaxed/simple; bh=UnACCVA7tlVE0+snJs6hfFSd9q31mo6Bh2V0d/9WTZY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=TkGgFVaS+zcky364twpQ9seqMzxzbKgardTbTZSjRoKAqkCqADp6iO3kF3N+0KXHKNxHgYFhmkzs4rSkGvVZ2xracLCC6Zf0xL3OmgC5T4dWoeCJBvys3CrogWMpNJJ1jZxS+xnLXwCFb0q3hRpFq4mNX96Z84N91qN66+Liy2Y= 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=209.85.166.69 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-io1-f69.google.com with SMTP id ca18e2360f4ac-841963a1fb4so277498039f.2 for ; Sat, 30 Nov 2024 16:11:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733011863; x=1733616663; 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=LIUUZTeJmZPeG8SX0991wAnoGzqpU1DgWIAyiJ4/+4Q=; b=xE9secSB52qm6eHCEKFt6PrPq+3kOnjUrOB+7A6PmVidPdErsQKuSdHSAdcpQRUkMh VC1XpOIO0mZk0+WPwcI/MKFDxN2GDDuzyXCd3OHm746aBtFtEp4Oi7HPVEemUXIKPRAc MR+37rTmKCPI3wax8bjod+vorLxAJQYrZdmNaYoMwqvgfK/As8xPAevn63+FwpwV5VJu sCUT+EnUOi2kTSsc3BNqj/9Ut26GvGf6O+37oD2B6lh4L8ISpnicuaMVWEvkg8fv09ue 4gPSlOYQcbo4DoA1yeKSXc7VnAfqfS4Es+WnUJwWqJHmAiCr+fCLaMbcG+eac9g6xsVV +DiQ== X-Forwarded-Encrypted: i=1; AJvYcCVAK6ppsC0HcEwbIvxYazt5OomW7P8soLf94QO2RA8ZPkDnsLFOtpMj/cFyj9Kv21Y/enI2m6AmD51HYR8=@vger.kernel.org X-Gm-Message-State: AOJu0YzIdmBTTfcc/s47moqCHdAsW0dA1p+l4RBgpZEijs4UpWIdiXUt pmWFeveVsIHfsayDmM8ftd1mkeKFRDRPzfpsbs92oAQftBnQEPgcjg0BBm3orMmA52VgDswVaP6 +O0zHCRhGu1PnhNs3nf31I8UzjNYJGsS8Pgy3Vz9w74F1dT3NllyTsT4= X-Google-Smtp-Source: AGHT+IG13qg4YGnamlxKBNo4M0YAZ13YlT7S2DJYFqwTqU+6UUSxHU9xeLnGlTqgpnCs3Zo680wJlcaOZX3SmT9ezGeM/8L/4Vcz Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:190c:b0:3a7:6a98:3fdf with SMTP id e9e14a558f8ab-3a7c5580ea4mr170467365ab.14.1733011863168; Sat, 30 Nov 2024 16:11:03 -0800 (PST) Date: Sat, 30 Nov 2024 16:11:03 -0800 In-Reply-To: <20241130231432.2296-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <674ba997.050a0220.48a03.0000.GAE@google.com> Subject: Re: [syzbot] [block?] possible deadlock in loop_reconfigure_limits From: syzbot To: hdanton@sina.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, 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+867b0179d31db9955876@syzkaller.appspotmail.com Tested-by: syzbot+867b0179d31db9955876@syzkaller.appspotmail.com Tested on: commit: 98c00f3a blktrace: move copy_[to|from]_user() out of -.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-6.14/block console output: https://syzkaller.appspot.com/x/log.txt?x=121205e8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=131aa7b77993ec3e dashboard link: https://syzkaller.appspot.com/bug?extid=867b0179d31db9955876 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.