From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 87AFF23717F; Mon, 2 Feb 2026 15:35:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770046544; cv=none; b=o1PpLJCu6J8RJtrxtN8j34fjO8YmnH2q2sclqjrFMvFe11VNBRUG5bg/AfXDbqEM4fx6tIZZamEzSjSWAjXNHGjD2ETtT7a2hY0SKZcVW70aSL4jn+QmvhMZ1MDxMWKzNjM6uV3uGMduOOxtfdIaRWYSyKQzv8QaJCxC7xPFcNA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770046544; c=relaxed/simple; bh=6VJJ0fxssxPgViW6cphU37tpXHSRi0cucxuOKUP5bWk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=nbXIpSOuHejMd4HU0wMHnn3sTd1B5wsHmcXBxd+RW+1Z56D0/q1FZyyyGkizzz4VZgo7TLFkOiBwcijptlKyZnkcCD7eFzhg5cNDPYWOOblreOY4Xsuc91l5wd6aKMhwNHygAI9qL+yOjhuyy3tmF0rU+zn2O0HNAFZdkmp4fCg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=jQs0t9/Y; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="jQs0t9/Y" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=7WFsbiEQUurYD7EXC/ISqc/9qrsDGzxORricUBfp/VU=; b=jQs0t9/YTs7C4NYcOqlba6fEK+ rmggJKqZwnjZGLPRswDnWuWLymMelfckxNdFkN+E0YqvLpJ54FM1NWSrDLv+xPDa2C6euMSZKFqRC WmWSUYN+pVnI3zzXV3Hq6bXc4NLfzly/zMk0jR1ETjUitCJ5jRvq9BQbGUfrWi6TSY4THTJY7fFFh FZ/BQWmsn5yTZEYKrmntX/G9OPy3F2jxRPSKp7XmhjNR0UdCnFVzBiJf/UbsHPQACFaYjHzymsKwf F0UTeP0dgNwVGQfbJe4om0C2muMDv32/Hz6sXIedS3ANlIc+l9LJ4d20z0MHiHA6fvHp9dEz8zvrG woQJhG2A==; Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vmvxj-0000000Ggx5-3U1O; Mon, 02 Feb 2026 15:35:40 +0000 Date: Mon, 2 Feb 2026 15:35:39 +0000 From: Matthew Wilcox To: Christoph Hellwig Cc: Piyush Patle , brauner@kernel.org, djwong@kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+bd5ca596a01d01bfa083@syzkaller.appspotmail.com Subject: Re: [PATCH] iomap: handle iterator position advancing beyond current mapping Message-ID: References: <20260202130044.567989-1-piyushpatle228@gmail.com> Precedence: bulk X-Mailing-List: linux-fsdevel@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: On Mon, Feb 02, 2026 at 06:48:50AM -0800, Christoph Hellwig wrote: > On Mon, Feb 02, 2026 at 06:30:44PM +0530, Piyush Patle wrote: > > Closes: https://syzkaller.appspot.com/bug?id=bd5ca596a01d01bfa083 > > This link doesn't work. And the commit log has zero details of what's > happening either. Looks like this one: https://syzkaller.appspot.com/bug?extid=bd5ca596a01d01bfa083 but there's no reproducer. Looks like it's through the blockdev rather than a filesystem being involved.