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 1D1EEBA33; Fri, 16 Aug 2024 22:16:12 +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=1723846573; cv=none; b=FR7Ul1wHQnr50arOkXjji0D2P/EpaMvuh6M+zxxPsWO6nZWMx5NsTgOW2Q1uif8fNREwKP1w5voyfT3LmmGdSvyHrirXuL2/yoHxdk0rsU9tup4LSUDneoPZiT5MbEbehaTqBsP295WnJcXoO6ENbBdn8vGWzbXnL6te0NKCdLQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723846573; c=relaxed/simple; bh=M+NRfJND15DgXXHSYtlJHCFyMUTY/cbt4gOqY0fSQKQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CMCcQ8NnVH3TCsYEPXOxu0Uajxz3BeHT45RqU5hmVua6/HGMfclm6QYajA6oKNqY76+AZkmZg87iqNrABbwf+DWRF42XbBdVOrgKe7zMvZv8qjGzfTfXsdjfHyYJ0amQAiC9PaKMIDoYwm4yFc6vNnHVvzFG6JnLfq3Qsdbuhbg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b=mQ0ktfPa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="mQ0ktfPa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5DF1FC32782; Fri, 16 Aug 2024 22:16:11 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="mQ0ktfPa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1723846569; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=S0q5my1Gxzq5sbks3fTcsMFKFgho8smshyrb0IyHeLE=; b=mQ0ktfPaKJsESX8PGs+iJxyLhHMGhfX7ELVZWdMlnGzpmLCL5qUJa0seVqE5J/uuPZV7IL 2Kb+ri7T0cvXYDAm6nzX/fHuKW++B9UzLHgg5VE3YFOetb4/pXxYKgCu8OaOtV9HBcbV1e bL+me1+63vABwBzimD/a1Rz4d3ze6Yc= Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 1169246f (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Fri, 16 Aug 2024 22:16:08 +0000 (UTC) Date: Fri, 16 Aug 2024 22:16:03 +0000 From: "Jason A. Donenfeld" To: Sean Christopherson Cc: syzbot , davem@davemloft.net, edumazet@google.com, kuba@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, wireguard@lists.zx2c4.com Subject: Re: [syzbot] [kvm?] general protection fault in get_work_pool (2) Message-ID: References: <0000000000006eb03a061b20c079@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Fri, Aug 16, 2024 at 11:24:35AM -0700, Sean Christopherson wrote: > On Mon, Jun 17, 2024, syzbot wrote: > > Hello, > > > > syzbot found the following issue on: > > > > HEAD commit: 2ccbdf43d5e7 Merge tag 'for-linus' of git://git.kernel.org.. > > git tree: upstream > > console output: https://syzkaller.appspot.com/x/log.txt?x=16f23146980000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=81c0d76ceef02b39 > > dashboard link: https://syzkaller.appspot.com/bug?extid=0dc211bc2adb944e1fd6 > > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > > userspace arch: i386 > > > > Unfortunately, I don't have any reproducer for this issue yet. > > > > Downloadable assets: > > disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-2ccbdf43.raw.xz > > vmlinux: https://storage.googleapis.com/syzbot-assets/13cdb5bfbafa/vmlinux-2ccbdf43.xz > > kernel image: https://storage.googleapis.com/syzbot-assets/7a14f5d07f81/bzImage-2ccbdf43.xz > > > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > > Reported-by: syzbot+0dc211bc2adb944e1fd6@syzkaller.appspotmail.com > > See https://lore.kernel.org/all/Zr-Ydj8FBpiqmY_c@google.com for an explanation. > > #syz invalid Oh. Thanks very much for following up on this. I spent some time puzzling over it and didn't find a wireguard bug. Glad that turned out to be so. Jason