From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 CAB0A18EA1 for ; Sat, 16 Mar 2024 15:20:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710602405; cv=none; b=pz0t/SWlzIOpYB5N1MYw9Vh5O7MHtONrdc76zMva9WqWnpkXv0/0CAtbtSCitMwMElZs2CR1GEvyOBWuq5uN/au9pcYfjXHK5lZIvlvJV6zNbKH6e8NGF5taftCkSxjVitgGie3S0J+qMC+GNp33PzpHM/7JgQy6pnpt1ls410Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710602405; c=relaxed/simple; bh=po6C+6UERN35FXCr59wZF6It8p90ooJtSle5rHvyZsI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=M2Cqw5luaUY355v061bKb5KSs5rEyMGNrGZ+1MvPVTkyw2pbuJrke7ecD+tmDlm5MQf4pUDc92fhKcfFXZW5FLGhO+D442YRO0hEPIKtOEjwIN1sGFRa7T5qKocVn9TFdEeJOs+gfr8/1OfW3sjXxDNV+Fg2vNkwYV//hTAN02Q= 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=209.85.166.72 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-f72.google.com with SMTP id ca18e2360f4ac-7c49c867608so272668239f.3 for ; Sat, 16 Mar 2024 08:20:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710602403; x=1711207203; 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=/sqHBBaMOeAnurYIhwPVCqQ5vnkrKRfkMuwUxyQYMH0=; b=au6yPeGuo5TCXHt7S7cRTwEikGHTTSarLCEo7eFNkOYlDMhpdhl5XEH/HS9suqkEEb YBVflM7A0SGI9+AmI8ktwVJ+g5RIRAfz9th3HRx03NnlT1LrBR/tjR0pK5R1aVen6nwa Rq8zZfI76yZooV7Mkjj64QtUBhney6b6V5R3njNUX0DUn0lJNJZaT0Xk+Xcyr2JLq2oq F3NoeA8sziFs02IM8Q93aEOgvlArpp//bCcOKGuQyOKOgrkjtLZMUgmj5FKnZXdC8EQW de26/tEY7yOSpyJCdOivdiciMLBUnbkV2NsJOIEQJ61InGW/b1u/O3rb0TcoZYztKrGc S3HQ== X-Forwarded-Encrypted: i=1; AJvYcCUviFtdUBTmtw9qaLNdLnMoDxbYj069/V0FDIXpDfYJ35lO+rjgexp2Xd/I+t+5VfXzJoNcrLbSDD6XKDkS1Zaf9j85dTNmU8c= X-Gm-Message-State: AOJu0YynfcsfamUQd/nIiwc+bdmR1/Y6Cge0E9iEbJ1XF2Kqusj5ag0N rUHJpJzfOLZneB1p973anqy+E47x99LNsANoFNRb928j1CxN5vsCTOs9+flBRoPNwCDiVQdc0uQ jpxFRA34VY3npkBoLO5+cGkatcOCyqQ5Np1U901HhQuscjM3HunMp2hc= X-Google-Smtp-Source: AGHT+IG/nqTTOwQfXe2tKerJxpBXR+GKZ4ab+GuQzTv0EBBAIn/L0gzKbUC3pLyBBeAw374/WnlvnAcl3JF9YpuJT74s/yM6a3Ik Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:2b21:b0:477:3040:5856 with SMTP id fm33-20020a0566382b2100b0047730405856mr311449jab.0.1710602403066; Sat, 16 Mar 2024 08:20:03 -0700 (PDT) Date: Sat, 16 Mar 2024 08:20:03 -0700 In-Reply-To: <8e639192-cb6b-40c3-9892-db0ac0cbae52@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000964cf40613c8a85f@google.com> Subject: Re: [syzbot] [io-uring?] KMSAN: uninit-value in io_sendrecv_fail 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-and-tested-by: syzbot+f8e9a371388aa62ecab4@syzkaller.appspotmail.com Tested on: commit: c9285260 io_uring/net: ensure async prep handlers alwa.. git tree: git://git.kernel.dk/linux.git io_uring-6.9 console output: https://syzkaller.appspot.com/x/log.txt?x=162a6711180000 kernel config: https://syzkaller.appspot.com/x/.config?x=a271c5dca0ff14df dashboard link: https://syzkaller.appspot.com/bug?extid=f8e9a371388aa62ecab4 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.