From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2B5044A0910 for ; Tue, 8 Sep 2026 09:25:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788859555; cv=none; b=rYKhMfLL+qwdxTiabGYAA8nOgyoWzbLql6HYGiL8PsuP/ka7mKykyjRtbksGzDZ3yJTo+Dr+9PF8KPO5HvaKC1pCIoXjJBf2v/bIylLkyfkWuoe8dFV4kmwzayshj/KCsOd0Mlwq9K7bZv7Xo0e30iosJQKjUI8DD+Jz9CQO41M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788859555; c=relaxed/simple; bh=k3As73wHNbT59b6kCc/0IegpIzyMcHJMqFAaJru+v9Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=P4FvvnqAQ93S6eLdjx749/tP7WOZ4R7EFdPecZGPDnZifH13XaevRqLKgmn6VgTPnZJ5zSzofyDJc5aaLjWGDWY9SIvPG0QvyVHradp3qyEByY9kyYEMPGH1M8qsLra+zcGM/mD5HB2IEechPEFTh7s9gzsnueFwsdMwKkI+B6o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DGEIzbQZ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DGEIzbQZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92CB61F00A3A; Tue, 8 Sep 2026 09:25:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788859553; bh=EIjb+8qA0AOLbrUigbrFdsr7Bi7xUORUq9H//Gsw4uU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=DGEIzbQZ+aPgK3MYWRjjK08/6SvQLu58K4JBVmBFiUqScBXqCi9GHoevigvsyfB4G JfeNxKWVQC74+SAmTkV0A4a30ebmw9xXXEVjlPlrfZtrIaLcaWn1Wnju9BRCzK40Mf fz+JDUGCYWIYbMUrF/UzDzffKEyhJlf88rXs8VrZ5CYwfmvsE0EWh6iAdAxz7ROSlY R8PJMSwbBp2YNMUcfcb0sRazaYGegWmfnscXC87EW8FwSvET56XtCyekmPPjpPsMcX uAPrdHc/BekDrHKWcYJZ4Uuhaaq26PsvcKtsbQ05xlS1L6FEYSWowg2ccuw3C7U1jq 2DIWv0rHrjLFw== Date: Tue, 8 Sep 2026 10:25:49 +0100 From: "Lorenzo Stoakes (ARM)" To: syzbot Cc: akpm@linux-foundation.org, jannh@google.com, liam@infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, pfalcato@suse.de, syzkaller-bugs@googlegroups.com, vbabka@kernel.org Subject: Re: [syzbot] [mm?] WARNING in vma_add_pgoff Message-ID: References: <20260907192517.564ea15aa8c9d47669b3a81f@linux-foundation.org> <6a9f8bc6.f614420e.2bf292.0005.GAE@google.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: <6a9f8bc6.f614420e.2bf292.0005.GAE@google.com> On Mon, Sep 07, 2026 at 09:15:02PM -0700, syzbot wrote: > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger any issue: > > Reported-by: syzbot+c6879dc677a017f0a21b@syzkaller.appspotmail.com > Tested-by: syzbot+c6879dc677a017f0a21b@syzkaller.appspotmail.com Yup there we are :) Why is this constantly duplicating I wonder... > > Tested on: > > commit: 35b0fb39 mm/mremap: reset unfaulted VMA page offset fo.. > git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > console output: https://syzkaller.appspot.com/x/log.txt?x=15e13af9580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=56ed23170c168d4c > dashboard link: https://syzkaller.appspot.com/bug?extid=c6879dc677a017f0a21b > compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 > userspace arch: arm64 > > Note: no patches were applied. > Note: testing is done by a robot and is best-effort only. -- Cheers, Lorenzo