From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 9C0A02E62B4; Fri, 4 Apr 2025 08:31:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743755520; cv=none; b=p14+MR3rVRfdOQ1ethr3DNSf/5YC3CIl1qcffOG3tWBGwnopgfvGuH3G6Bqlk+UcX9Wanhb1YFXlA6+E9iuCRZtnr7hKpV30156CpSsnRu5dN20YBGrL5KIsOAzjRQYxNpu94NPLA1c6PbfdEbBWhrmFFQddJiSM7zw37crtzu4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743755520; c=relaxed/simple; bh=BDOliCQiV/tizcPRKD2MYSXZd6ImS8F9LCQwfDKrCjo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UfSRKZWcVOkxbePFe0x739eIQMf5ZeIp10Bax9OV90foMJ8WAZhG6RLAov+S6Y/WMzNDsZmAnGy1Kc6yxR3kmJNrIlwbHcZqoI71NTjx2dwU4ZzLuiHtdVXzQWdFlLPg1Manek45xeoGsyyHV1U87F3uvos+aFTnLrLbcONr+kA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=IGfw/URl; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="IGfw/URl" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=NiY69VWvTuqwV+rTlc928d5gMTS1h3UvN1TloZGuqbg=; b=IGfw/URly62aWHNlDpNckXWMmx PSFDsKlSDSkrcnCQ718kGjWvXn3Lwafm0Ezelfet62CDjY+U+MwBTykVszRDtBTJseLQ/oR4moBk6 cJJxILA7BIeemeFtDyV00p/nKdjc9D4wfSnHwXBzorPpPvww2LIaVjolLVoi0WzOnDGSD3o3TMvi1 hV0fOg+PaHnBxgHfTmFz9BWVhufC8TJhqr6794DZtkY0Su10oOvNiVtcd+MLTEV9mKIEaxtisGax+ QLGlqF1cbxYEUlRvlvTvFIW+Qke72yv2Fn211T3wX2YymPiG17Af8oOIwiIirrk0iqPl0RgLqA4WH aPfXfJCA==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.1 #2 (Red Hat Linux)) id 1u0cT0-0000000B9p9-0vzk; Fri, 04 Apr 2025 08:31:58 +0000 Date: Fri, 4 Apr 2025 01:31:58 -0700 From: Christoph Hellwig To: Penglei Jiang Cc: viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+5d8e79d323a13aa0b248@syzkaller.appspotmail.com Subject: Re: [PATCH 2/2] vfs: Fix anon_inode triggering VFS_BUG_ON_INODE in may_open() Message-ID: References: <20250403015946.5283-1-superman.xpt@gmail.com> 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-Disposition: inline In-Reply-To: <20250403015946.5283-1-superman.xpt@gmail.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Please make sure anon inodes have a valid mode set. Leaving this landmine around where we have inodes without a valid mode is just going to create more problems in the future.