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 C84BDE571 for ; Fri, 3 Jan 2025 00:20:03 +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=1735863605; cv=none; b=LW6H8c7hJOioKiMoQSiMXbrT5V3+sBmd/wOrc1h6ZSB/b8RdBHb6Gxh0QbQwnpfuJOsSYatp1cyMeTys7K2lHpZ3ufjdEpdOmyQnTvaj9EIEZkJ7MZFgncyrk0ZvBUxOH1FvtAYUofOEy/hCaI3qXlqIExmp7XdF1Qhd/eeXMeQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735863605; c=relaxed/simple; bh=WWcp0irU0J5yGtPT5dDZbYP07eJRcIp0iDYISTNZCWY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=r0j7TO/Ba022omPVknA5PNCCNEDyzUwMDxbFViv2KDSHvxOoHSkHVibRtPJEFlhY3540mY4YbH815+OuuCqiAt73KF9a946Myl7/KjM9K6vX4t5AWNH2D+5G0kQHC9QaI2Lsjc0iu7btkMJjjpdR5zgr9K8n7ReD++0r+C+2Wwo= 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-3a9cbe8fea1so125401915ab.3 for ; Thu, 02 Jan 2025 16:20:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735863603; x=1736468403; 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=XISUtGMZwvOxE/3eJlDsq1s1rOR7WzfL2zvWZEQxPKI=; b=b5ss/D/mxwlQ3S7gx3ct9XdmKjrXhsHC9PcLKsoJ+8p57VL4Ru0d9OXWAzBnneq/9w dJqlX6B4YjFYk6sJJMsw59PBKwd5BFr2BkgReLrfkYcydNZExB/wQezc58iP1b1tVnF8 qiFhbaAOOIgo4bBGLxWyPC4pqUAN+LmiT9qs/dBpr6HJ0merXa1Y6o4v0hTSHMUbpmbW N2kNYpJJ0ymqxQxbmL+8bfrV/wNI7ca+8/+5YMd9k9W/w+m1+A5YluiDdk5Dt41ezN0U eQku5UakRQDvw2c0u/6eYWiycCuwEJUDbP+IZNj5LXcphCCEmKIP4TKZkez8MOlaIeTi ZUOw== X-Forwarded-Encrypted: i=1; AJvYcCUB65LAOWRXj/YxAzTurOBftP5dUBqJOiayg8dKILml+3v2dzZlL6qxR1GTO8BDHM2A0D7CQz7JVRvGal4=@vger.kernel.org X-Gm-Message-State: AOJu0YwdgTxG7/wd8v7BxInPF2yz1GwUDAmHZiaC73xV2u2CNfpA3U5M bHTqFVappgYEKB9HHBEqdP2Zb779krE3GYQWjsZlgUKbtULmSKGqRzVMaEN6XnMhGHvDe3YekPu QrA2dhi8tpmzRwzpHPUdcfupA4snvQ2Gp8CiS8svy95HcMm+RCoVNq50= X-Google-Smtp-Source: AGHT+IGlLNkaQjv9q0k3luV0vr59CtP+LszpXsq9XEUU4WMYgppxAYPpZ3UyCt5dn/eyZZjk1Feah3QbEiZu9H4M++b+uPa2kA6z Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3b84:b0:3a7:bcbf:ba99 with SMTP id e9e14a558f8ab-3c2d2272e92mr443826935ab.6.1735863602999; Thu, 02 Jan 2025 16:20:02 -0800 (PST) Date: Thu, 02 Jan 2025 16:20:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67772d32.050a0220.3a8527.0057.GAE@google.com> Subject: Re: [syzbot] [io-uring?] KMSAN: uninit-value in io_recv 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+068ff190354d2f74892f@syzkaller.appspotmail.com Tested-by: syzbot+068ff190354d2f74892f@syzkaller.appspotmail.com Tested on: commit: c6e60a0a io_uring/net: always initialize kmsg->msg.msg.. git tree: git://git.kernel.dk/linux io_uring-6.13 console output: https://syzkaller.appspot.com/x/log.txt?x=12de98b0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=96ee18b6611821ab dashboard link: https://syzkaller.appspot.com/bug?extid=068ff190354d2f74892f 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.