From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 64C9346C4CF for ; Fri, 11 Sep 2026 08:44:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789116245; cv=none; b=Q3ROcf8BGeZIDgjIwvtIaFSyZVwGRr2kL21GAak6OKHtdpYhneTE9Ph7vfIVZig2NGY04YMv+u801FFCs6IVtEh4AsU3sDbY6KCRN5RDc3mGmQinByV1Yca0o2bhkKs4qRQzxZoM5S+AiL03Wn0qxRWFkPdI9pBC+yki0dCGDyM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789116245; c=relaxed/simple; bh=3gunliPgVW4soc1/AUllZCNwihvHpaPxE5s4LoZ/+iI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=mOl4O2PIO78MtKEMRLu/tMC7Zs+c+rZ5BP+8+GO8D6+teNoQ7g3osXo31yZ/RT/1I5w7xGi2SbUNl8TC09MOgoS3JkDNYyhxvN7tMFgzPI5JjjvtC4O42g8nYOKrsG5vs5umJ6rTTdTsk5NFdoUTKlVBGyXgNsm+dXY2pO4ciVA= 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=209.85.161.71 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-oo1-f71.google.com with SMTP id 006d021491bc7-6b85fefb1eeso602475eaf.3 for ; Fri, 11 Sep 2026 01:44:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789116243; x=1789721043; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=HhDoaaAx+Kfg1nwDSSnWMu9c2b6obWvtvHloptvoSko=; b=nm8nI9BUClHOAni+gvfRH02v4kZvpzGyCJxlAsehU+y7jLpPbC0mSqUMsdnMyUOAp2 1/nKBUQGHXw2cVraUM9dFZ575HRLsE4vQDqh0BODz4Cr3m4uQBHHHwLDwoWn3CM/Q+db Rwnj1Zh2Av3CmoJmF/cqT+PkWxg9VwPOaOb+SyxQGOQ7ngKLCNIdZa7/uMZ1kH+BoKsl XWTHHY1HCYbshuJfFb3quozi8V7e1eDi0wDyPIpV9OjVYjdqr3etxsdeYu+d+0VsNFS4 6YU/JxgMvLCo/R6N6OKehlFAwjDKwXs8jnJ7pK0SwWP/tRw3XGrQo+KucZmnis/EXumY yuCw== X-Forwarded-Encrypted: i=1; AKwUvBxzhjKduMYIJZjCAJmkQ0WqVT36x/Ra9if0VQ0vz+6BhPNiZn5ethI9pZ4CH0wKdyrFuwvB18O4Wkt3Kfg=@vger.kernel.org X-Gm-Message-State: AFuF++nS/jRB4p6xa/6pNkM7v1D03MYA4uqKQbkov+r53cYzb02TnSSq 9pdVosr5box2hSKAvNVy+rH0nJmoVrATvmjSsiS6squzlEEBqNm7Wh4YHGv35TPsleRwlrUvheb c/a6bLasAl5MkR+6jwgVUZ9UkAihdWu944SBgeHtZw9VXAHWo3wScnd/s20I= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:c309:b0:6b1:2f12:6c0c with SMTP id 006d021491bc7-6c0be3483b3mr2754360eaf.34.1789116243292; Fri, 11 Sep 2026 01:44:03 -0700 (PDT) Date: Fri, 11 Sep 2026 01:44:03 -0700 In-Reply-To: <6aa3b8a3.df8406c6.e4681.4ae6SMTPIN_ADDED_BROKEN@gmr-mx.google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6aa3bf53.6e6c5f9e.28f11f.0042.GAE@google.com> Subject: Re: [syzbot] [fs?] KASAN: slab-use-after-free Write in config_item_get From: syzbot To: jchuang26@m.fudan.edu.cn, 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+6b16e3d085833cbf3e25@syzkaller.appspotmail.com Tested-by: syzbot+6b16e3d085833cbf3e25@syzkaller.appspotmail.com Tested on: commit: a7c1290e configfs: pin the symlink target's dirent ins.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=140d21f9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=6d794b10c2a1184e dashboard link: https://syzkaller.appspot.com/bug?extid=6b16e3d085833cbf3e25 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=10782601580000 Note: testing is done by a robot and is best-effort only.