From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.zx2c4.com (lists.zx2c4.com [165.227.139.114]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5014FC7EE23 for ; Tue, 23 May 2023 16:54:24 +0000 (UTC) Received: by lists.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 2f0ea471; Tue, 23 May 2023 16:46:11 +0000 (UTC) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lists.zx2c4.com (ZX2C4 Mail Server) with ESMTPS id dd0495c2 (TLSv1.2:ECDHE-ECDSA-AES256-GCM-SHA384:256:NO) for ; Tue, 23 May 2023 16:46:09 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3FC24633C6; Tue, 23 May 2023 16:46:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 420CDC433D2; Tue, 23 May 2023 16:46:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684860367; bh=frZYjDQKin2OHTgUDD9pxdXKaV6vGksRhCcsFtba5x4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=H8SfP/1BV7zbPUtsX6lI0G0fNnb1MZitP4ubj+awDqBrFHMpMSz2TribsuvaMA3hM e/iuchNE906qqEzi12NJg2q2qNsjX/b9oB/CzvhmuFkTCMhoV/sY4zhTmq1tr866b9 k/fRX88Huy3s20ikowigjysvgkzvtCyBUi6DVA+MjfdLnVM9nr1te2U5gk0fHRIDZH wOJS9i41FMYjizitrnHb1MsvjWX+53PagC6EKTJlVtfMyQe4w/0r6IuGwDiqGwsZPS fGI9khOKXUd6zxx1577oULe81ZEcIqCCM2kwErfPln4q+CbyTNrcZfEYy5reMNg69S 8riVqD/CwqA0g== Date: Tue, 23 May 2023 09:46:06 -0700 From: Jakub Kicinski To: "Jason A. Donenfeld" Cc: edumazet@google.com, syzbot , netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, davem@davemloft.net, linux-kernel@vger.kernel.org, pabeni@redhat.com, wireguard@lists.zx2c4.com, jann@thejh.net Subject: Re: [syzbot] [wireguard?] KASAN: slab-use-after-free Write in enqueue_timer Message-ID: <20230523094606.6f4f8f4f@kernel.org> In-Reply-To: References: <000000000000c0b11d05fa917fe3@google.com> <20230523090512.19ca60b6@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" On Tue, 23 May 2023 18:14:18 +0200 Jason A. Donenfeld wrote: > So, IOW, not a wireguard bug, right? What's slightly concerning is that there aren't any other timers leading to KASAN: slab-use-after-free Write in enqueue_timer :( If WG was just an innocent bystander there should be, right?