From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B2F3D2260C for ; Wed, 4 Jun 2025 04:48:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749012493; cv=none; b=WHREQZ9oD8ELJimvMKE9CNfmcfVqLIKzQTxTqflGXBSOR62OlN4C40aJiq4sjc9se6v0dDfmcuEG1qiZFw6kqzuuOswPEZlScyIVAaLN7ar6lMTelioSzcowF8BdW0h988z6P8q2gz9hWHDHHQ5BEp5JYEVG7eOl0SXeTnU6AHo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749012493; c=relaxed/simple; bh=rQPkHVKCvmw5LrOb/v/cqXm3uOUme0k0Brv2OsGkKZ8=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=stWcQOTvR7T9YPSJZJTfL2yxHEIga4cEkS/D0pl3YXWuBak3b3CKzpP2tptFTHcWxCaa4l5m04DtX+rXW+CsGXG5BuQ1vOLS30Rrt9SXzL28YCDfZ4SN8hosiYTHEiHERUMiC6+3jmeXf+Ql9FLdFTCoJ2aRJIViVkxspd+SigQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=dSHRJ2H4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="dSHRJ2H4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9864C4CEE7; Wed, 4 Jun 2025 04:48:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1749012492; bh=rQPkHVKCvmw5LrOb/v/cqXm3uOUme0k0Brv2OsGkKZ8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=dSHRJ2H4ZMsx/7L5DpIKOCKBHMpa7KlEFV/K/XifwAh7BqyKRFr+FsfeVeMuU3hqE Kkx5Tiyhc2FGo135XrT2vRO2Nqqhf69Zwmp0NuQ+AD0C2lX2emi5VkqIEhT6tHg854 3wovHiUPqv3mv08ISGdMGGIktHL5AVGEG9R2sEWM= Date: Tue, 3 Jun 2025 21:48:12 -0700 From: Andrew Morton To: Luka Cc: Hugh Dickins , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [BUG] WARNING in shmem_rmdir in Linux kernel v6.12 Message-Id: <20250603214812.3c0e774ffa4700f47bd1340f@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 4 Jun 2025 12:43:01 +0800 Luka wrote: > Dear Kernel Maintainers, > > I am writing to report a potential vulnerability identified in the > upstream Linux Kernel version v6.12, corresponding to the following > commit in the mainline repository: > > Git Commit: adc218676eef25575469234709c2d87185ca223a (tag: v6.12) > > This issue was discovered during the testing of the Android 16 AOSP > kernel, which is based on Linux kernel version 6.12, specifically from > the AOSP kernel branch: > > AOSP kernel branch: android16-6.12 > Manifest path: kernel/common.git > Source URL: https://android.googlesource.com/kernel/common/+/refs/heads/android16-6.12 > > Although this kernel branch is used in Android 16 development, its > base is aligned with the upstream Linux v6.12 release. I observed this > issue while conducting stability and fuzzing tests on the Android 16 > platform and identified that the root cause lies in the upstream > codebase. Please just include all the bug info in the email. > > Bug Location: shmem_rmdir+0x48/0x84 mm/shmem.c:3733 > > Bug Report: https://hastebin.com/share/jazumewiya.css > > Entire Log: https://hastebin.com/share/uyuyaheken.perl Those links don't work for me. "We're sorry, but the contents of the bin could not be found, or it has been deleted"