From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 A244A21B9FD for ; Mon, 10 Nov 2025 21:55:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762811706; cv=none; b=kjyM128TpmQgqEfVwjLYmw5IyAvMs48JZv1V1SSnszM318Qoxvxb1maCUBApuymrDVFYQABVwhLLSoM73ripoXmgPzE5lIxWA7YDxGd/2LQT09RY6lTkoYuIAzekv3ppQ7zTYvm7dfWV1eDO9vnt6Fs1P1bjteS/az4GxpqKNQ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762811706; c=relaxed/simple; bh=vU0TO8BD+idNrc28jXRVI8wWAlZ+X0qdYCZvmkn0T6Y=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=WZY1a4pYSFI0YiWJ6MjB6KETeSSiBUP5/qjN/oSWJyoNdFxKQXcafNM+mbevjPOR7b9FfjByBT33nLWfsl8aO03gAkg2Sb9uguZTB5RqbxdlqVgo5LkPrexzaH8YYzjzarwMh5QFy9d6FbtGO2/HbPdX0xoO7CxtGfCkVY9JZAw= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-43322b98837so41790395ab.2 for ; Mon, 10 Nov 2025 13:55:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762811703; x=1763416503; 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=Ie2/PeJ0jgx5E8HiVBVNYjG7K8kqqreSpRHnsimU148=; b=ARIUkD33t4nnbRJCEC5roC8hSYUd5punJGWn/9sqg9ZCOnu5/M/XJpfPc5V43hoida oPj8tU4VjzoIOFmOhWnLT5UGDoWwvBUkNiWhsVQM4tnOM9FdeXYFebE3Tj6pHDQkNf5A DXLP4lbuiW/tZVpGvlwcGahIawcRNLnAOo75W3iuSGrDxYsL6G7oc+bVzWfYLgwUCaQN GGGuSTFRQ3khXwyEE+ikecIBTwhM8pLJ9152lTvK/8zsuARbtRxzb0YEv0Fg0mHj02ag G0BkYU3TobLCUDmDmWm1YJxxVuKgKQBHnhRijNC7nrY3/UivL9ZKSS5sWV22Cmwa1Ngg R++Q== X-Forwarded-Encrypted: i=1; AJvYcCVSlo+aXL1Vp18I6err1+LxGSYaOkaizFO/BRAPdUrMwdSccUOCH5WsYppwuAelyIyzijUr7WrRUhLGL7Y=@vger.kernel.org X-Gm-Message-State: AOJu0YymZD/H3RjjgW6saLTxGOlxLochSFpG95jN7Vy912g+gARc5o/x hFisE8HWFTsTzxiCgnyLd/O3KKo2jIX6hwY9u1FRXTGPS0uZY9I6u+9koFqkPjcrywpmp/YiSJF 9oQ1lF6pckYORiqooX6O7inIlEHsXBHqMFynRa1Djv633279s9QmkWOIiRH8= X-Google-Smtp-Source: AGHT+IFUrp0LeNJfpbbEEybABNZcxFBbxPlCJBUWD2fXo9BWxHePezzLCfZ2+zOMd0I93Borf/de7KfAOoL7fCFMbpQmMLnNo9Xv Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a81:b0:433:773d:adc0 with SMTP id e9e14a558f8ab-433773db12amr116490455ab.17.1762811702828; Mon, 10 Nov 2025 13:55:02 -0800 (PST) Date: Mon, 10 Nov 2025 13:55:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69125f36.a70a0220.22f260.010e.GAE@google.com> Subject: Re: [syzbot] [io-uring?] memory leak in iovec_from_user (2) From: syzbot To: 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+3c93637d7648c24e1fd0@syzkaller.appspotmail.com Tested-by: syzbot+3c93637d7648c24e1fd0@syzkaller.appspotmail.com Tested on: commit: 4ff33a31 io_uring/rw: ensure allocated iovec gets clea.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git io_uring-6.18 console output: https://syzkaller.appspot.com/x/log.txt?x=174a317c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fa4513d3a243489e dashboard link: https://syzkaller.appspot.com/bug?extid=3c93637d7648c24e1fd0 compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, 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.