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 E364110E7; Fri, 6 Oct 2023 00:40:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Lm8yzjEV" Received: by smtp.kernel.org (Postfix) with ESMTPS id 37F79C433C9; Fri, 6 Oct 2023 00:40:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696552831; bh=oFqZXtcvFppptFRRQK616T2zS75kLFYvPUfsMrV73+0=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=Lm8yzjEV5F0dJdu6RDVB6N8buhLc49RHkhFHD/A3zXWZB0QPrbkBoHR15lS8sy7nK glhN6QnURCManbr8qn8SqF9GvpY0F4MuU18W2z+0p8nezDNOTQSVuUmoEnyA1JGPYb RR/J0LXIjCrGIXwaEF4G9RyYfmcWVwpvT0xjCQC3n0N/4ab0iwPTP9y59rYHeLQr99 iW7FKADHvG2ORw/sC/i86vhAVD8WkQwTrFCn/H7m7N8HxYe9PA7cxB0S3pbHV3pEHT KrMKrvbJGh/FuXPvpiT7kmXdfvnIzktg6oG2AL3B2orrLPsnY+I2lx7ujkxbu0Glba SCnRXPCfWG6zQ== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 1F7EAE11F50; Fri, 6 Oct 2023 00:40:31 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf v3] net/xdp: fix zero-size allocation warning in xskq_create() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <169655283112.25319.4323691266083806754.git-patchwork-notify@kernel.org> Date: Fri, 06 Oct 2023 00:40:31 +0000 References: <20231005193548.515-1-andrew.kanner@gmail.com> In-Reply-To: <20231005193548.515-1-andrew.kanner@gmail.com> To: Andrew Kanner Cc: bjorn@kernel.org, magnus.karlsson@intel.com, maciej.fijalkowski@intel.com, jonathan.lemon@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, aleksander.lobakin@intel.com, xuanzhuo@linux.alibaba.com, ast@kernel.org, hawk@kernel.org, john.fastabend@gmail.com, daniel@iogearbox.net, linux-kernel-mentees@lists.linuxfoundation.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+fae676d3cf469331fc89@syzkaller.appspotmail.com, syzbot+b132693e925cbbd89e26@syzkaller.appspotmail.com Hello: This patch was applied to bpf/bpf.git (master) by Martin KaFai Lau : On Thu, 5 Oct 2023 22:35:49 +0300 you wrote: > Syzkaller reported the following issue: > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 2807 at mm/vmalloc.c:3247 __vmalloc_node_range (mm/vmalloc.c:3361) > Modules linked in: > CPU: 0 PID: 2807 Comm: repro Not tainted 6.6.0-rc2+ #12 > Hardware name: Generic DT based system > unwind_backtrace from show_stack (arch/arm/kernel/traps.c:258) > show_stack from dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1)) > dump_stack_lvl from __warn (kernel/panic.c:633 kernel/panic.c:680) > __warn from warn_slowpath_fmt (./include/linux/context_tracking.h:153 kernel/panic.c:700) > warn_slowpath_fmt from __vmalloc_node_range (mm/vmalloc.c:3361 (discriminator 3)) > __vmalloc_node_range from vmalloc_user (mm/vmalloc.c:3478) > vmalloc_user from xskq_create (net/xdp/xsk_queue.c:40) > xskq_create from xsk_setsockopt (net/xdp/xsk.c:953 net/xdp/xsk.c:1286) > xsk_setsockopt from __sys_setsockopt (net/socket.c:2308) > __sys_setsockopt from ret_fast_syscall (arch/arm/kernel/entry-common.S:68) > > [...] Here is the summary with links: - [bpf,v3] net/xdp: fix zero-size allocation warning in xskq_create() https://git.kernel.org/bpf/bpf/c/90aeaa99f53e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html