From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 C58E026286 for ; Thu, 25 Jul 2024 17:58:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721930285; cv=none; b=BA0BtgJl6nNCpW3aOt2bwD0XrA68zYbZrNjJrAHQoqGB1AKvzJ8n/ffWsyn9M+ep9fa2sZiitqlRitn8PkBRZLHIHAYkRTk4lxgI1aoP+0IZQs0GCYYt8kYBs0erDz8QYp7/vYoeTE298mJKVKYflNX/5znl9iPJz/p3ApndIgI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721930285; c=relaxed/simple; bh=6NEaq4l2buYl7x6xZlTTaT6BpFMzae8M0kCG8Y65iXY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=K6gIylLMkP8aQsp0mLJ0kVtqHLewQ1vs8KY3qCwJ9ay0B7Hmywnd5DAPQ5OBV3dOeujr+zSwn7T4Gw8ByfbYXHpCt1Vy6fYfARxBGkNhva7ZpM91xAk2ubyvYr/ExXZVCYCn8d7wVi9yRpD3vdF3Oc5I9z0uzlITl3KrFYA/61s= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-396fa3fe46cso11222845ab.0 for ; Thu, 25 Jul 2024 10:58:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721930283; x=1722535083; 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=5RXFrLVSSr1jSw7Uaz4eXW9EXsQq3IlHIBCkGDlAtAM=; b=APV1Ppmp4Z7iSBiylGB/h3UZ3vh8Gi5Bq3uvwhgzdZgEeM56nXoLsArDt1tp4AECp1 wtNfTd65FLbXynxH3zXfCXWuX84peuhcEQIQPGhZzFtSxtLRUslv3m0wai8l3qRzyCql P6jxL4Dy6pEpqlfaCoj7ouJWmjF3eWg/Hi91Y3R3f99mVPzCQWA7X65fzs8oTTRbpVlM db4j0aFIXMi+gaV2vDS1G0YsE3V71iygbAMlcwB0npQxj9hI6Rei7el57JIYISgPcelk DISiy4W1ba0L3V+vqtrY9OgG+s9+JtbFxlHhPICjVxLY/3eDQXB72uVim+f4wzU2O3Db Tn2w== X-Forwarded-Encrypted: i=1; AJvYcCX/D5VxJ6zaQjCA8B5hd5f7lYlPcMv4C40+h6S8HzmG4mZOMq3hr79wTEGaLvEnRNw689ekPnEMgQG0onqIsStxUgVVYZ7ZU+cf5LGw X-Gm-Message-State: AOJu0YwbWrF43IglWeddays12kvtltUjfqs7uu2RGK97prKknhEl2/PY tR8bTjz10RsWnBJTR1Hjf6Zl2UIk2rKHzAqj8bfC8Eb7cTsYnFmTUFz9mn/PP4Sn38yDQRIrLUh oCWx3KOy/P67/DoUnTd8iqA/ug8djXCLj+Mvnpc5UEGxSBwdm9A5BLCI= X-Google-Smtp-Source: AGHT+IGy60XSGeuDOQ4SWc/8GWLd8tzn06zYwWaag80jd6LgfVewTl0FI03n97VgjxChNqiwfFOpnH5wKGrpHcQCHUXZLfczoqG2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1389:b0:382:feb2:2117 with SMTP id e9e14a558f8ab-39a23ff3907mr1875685ab.6.1721930282924; Thu, 25 Jul 2024 10:58:02 -0700 (PDT) Date: Thu, 25 Jul 2024 10:58:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d78ec8061e1622b3@google.com> Subject: Re: [syzbot] [io-uring?] KMSAN: uninit-value in io_req_cqe_overflow (3) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@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+e6616d0dc8ded5dc56d6@syzkaller.appspotmail.com Tested-by: syzbot+e6616d0dc8ded5dc56d6@syzkaller.appspotmail.com Tested on: commit: 0db4618e io_uring/msg_ring: fix uninitialized use of t.. git tree: git://git.kernel.dk/linux io_uring-6.11 console output: https://syzkaller.appspot.com/x/log.txt?x=124e0dad980000 kernel config: https://syzkaller.appspot.com/x/.config?x=bf984d38d0f9fb49 dashboard link: https://syzkaller.appspot.com/bug?extid=e6616d0dc8ded5dc56d6 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.