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 990532E11C7 for ; Tue, 7 Oct 2025 13:45:03 +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=1759844705; cv=none; b=p+0MsaGFd4h/ZYsBRMyVcYe55cTACS57ngmYBymmPOuJoyxDX0sYpe2U4g7ufIh/4t4adG0h+NSXIOZMmb0e8oBhWwEsQk2+toXNNUYWqMbXhyQH630Buu89Ivfy49GUnhxyHWzVBpyymCk3ECC53G1PAHgJ29MzMwRkujay6Us= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759844705; c=relaxed/simple; bh=xWjmLBQ5keQMZ/8RBkxKB08avkEkdT811c//csHk2jU=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=jw68boqmo90Ft33m8k1p6kAa0+2KhGSo8FX/DmyIjFV2X46QDBFZGhc5UNBe3xTGmWm8IabTiJAZbhQ4zf4syPwz1MS0zyoXlJmaGFx+n1bOGuBjhPoSeKd1uWhdl++Cq11zlSjtWa6U7LwBmEFNWTPsZiJvg2Hyd/AQZgwfhKE= 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-4257626a814so78258485ab.0 for ; Tue, 07 Oct 2025 06:45:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759844703; x=1760449503; 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=OdVSN+laD+F6d7qUqnjLSPnCbbVZWf+THc0/cthgRO8=; b=qS81qfdCpYh7F7cxLJ5pgOw3vRSTgqPQrELWhf3k9JpFFBQC0MN4xaZy18KMGYUC96 sdz9OKait8rpaHVZk13SluYVIOl8DkCOTdV+2dQ+QcYd87oWWo+zg3x64EJJWyA9h7F4 eNlQWSdk6Vx+WunzFdHpoBKdn2j7Qc888vJIrStfKaPoxDN0qk8YyqeyFog/AX5HYf3z L3YEU8BUcoHBGhspYUOeSGSx/VCVhpthvddisQmP3loVRIOfiOUVbOlMj6c+v2g4tb93 pmal20hDiiUBah98j1Kk84BCNdiBOJrnA1gBHoChwiDpiHU4+ltZaC1A9WejhClT1k2o b2cw== X-Forwarded-Encrypted: i=1; AJvYcCXU/jiEDNvFfVLFn83xb9Ls7uDKEBy/w6bdm/ozm9X8wrEMFZG0gbeTxucGf49hBzn6XEW0bupYm03Ic1I=@vger.kernel.org X-Gm-Message-State: AOJu0YznaDUT2lNYffHAcW8cq3YpwIZR/HoeVqiO2F7WlZ10Dcdzbvgz 5B+6Y2e+wteTxHv5dd5Qj/GX892NPuSDPnoHwOgaygVrHzFMelpGBxhXkY7KqqltRWqP6/LT0nZ U/9OshWfVgIWqtivJkqiggvpsU3eNf0YS0QwXKvC6tynciN+By3+Aj9aN1N4= X-Google-Smtp-Source: AGHT+IGDe+oPvXrYd8r2KJeAOfh3Qf98hvHejyYDAqBDAgB0WT7eJV883xCSAVgnpvxZvRvNsyKTF/F4ey7y3Yb0sMtJn+EODoJ7 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2188:b0:427:709a:fc87 with SMTP id e9e14a558f8ab-42e7ad9c5f4mr189291975ab.24.1759844702723; Tue, 07 Oct 2025 06:45:02 -0700 (PDT) Date: Tue, 07 Oct 2025 06:45:02 -0700 In-Reply-To: <747c4bf7-49bb-478d-a8f1-c7092ceaaa81@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68e5195e.050a0220.256323.001f.GAE@google.com> Subject: Re: [syzbot] [io-uring?] KASAN: slab-use-after-free Read in io_waitid_wait 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+b9e83021d9c642a33d8c@syzkaller.appspotmail.com Tested-by: syzbot+b9e83021d9c642a33d8c@syzkaller.appspotmail.com Tested on: commit: c746c3b5 Merge tag 'for-6.18-tag' of git://git.kernel... git tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git master console output: https://syzkaller.appspot.com/x/log.txt?x=110955cd980000 kernel config: https://syzkaller.appspot.com/x/.config?x=8f142ebe84501b0b dashboard link: https://syzkaller.appspot.com/bug?extid=b9e83021d9c642a33d8c compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=13aa0542580000 Note: testing is done by a robot and is best-effort only.