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 B0AFB313E3F for ; Fri, 3 Jul 2026 04:07:16 +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=1783051644; cv=none; b=dIqdV84J8f5Q/ANf3YqOWkKwBRErEycnknT2oLG4m3WhGKRoeIm5XSit2MAz7+rw22a/U9AtNwImwdo1D/LKpyKyWr0fV2+W2YQzeIblKCXrqjp8VujPjnAtYtR1b3YPeuU9MtYm66z/ao1Z9lPqoxdxkNI2RdcmtMHWW4cZjpw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783051644; c=relaxed/simple; bh=VGGzqv+ChY/7GJW7+efT1k8912oIHVmxhGhaiwfsxno=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e5R1+HExj7RP8WKrnP47qFFtG336CKMDp3rDaLenkmnHg5Yd/8EFwcjmuCL4XzFwrX3NKEsz/84BF+Hv46PmoBMift5srMdFlfGYVDZrF4LT6Wr/OGdnDUCBJ/f+FqfK1s35bc/dN6lf2GdzwepU1mwdTwqC1OOuyItRTuvmKrk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SitKjRch; 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="SitKjRch" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E87301F00ACA; Fri, 3 Jul 2026 04:07:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783051634; bh=edyh5A3PDIoxlNhPtrl9DOe7oJOErCP9W/lKFC8hCZw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=SitKjRchdAzUMpvC3w5DGHa2ct8ltjr7MO6s774g8ZfBYYatHZOikb8zpZdTn6lXy 0E8XYWLaAKP//B8I8s0ObH4vZYxM4ljB3clLN2x2XoEdM/in5bFRsuNkPVePYuKQke jf66M37GP6jy76I5GIBTkTXDMOfCl8SgZW3zVIgFErfbkz0DO1QpBmqc8OSIZ1C5FC XOI2/URLfvDznSBZM6Cnd22+iS78aaes8u7Pm08mIkbUvise7WZS75XsyXBAbw5Aoa ACmymvbcIPGUEf4FxPovxc7SgYXeyfKLjgbSDQicUfiZS1KSQtOskxNLrDP93NthNr AShBZqfXRmT/Q== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin , Shung-Hsi Yu , Daniel Borkmann , Puranjay Mohan , Alexei Starovoitov Subject: Re: [PATCH stable 6.18 6.12 1/1] bpf, arm64: Reject out-of-range B.cond targets Date: Fri, 3 Jul 2026 00:07:01 -0400 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260702080757.98071-1-shung-hsi.yu@suse.com> References: <20260702080757.98071-1-shung-hsi.yu@suse.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Thu, Jul 02, 2026 at 04:07:56PM +0800, Shung-Hsi Yu wrote: > From: Daniel Borkmann > > commit 48d83d94930eb4db4c93d2de44838b9455cff626 upstream. > > aarch64_insn_gen_cond_branch_imm() calls label_imm_common() to > compute a 19-bit signed byte offset for a conditional branch, > but unlike its siblings aarch64_insn_gen_branch_imm() and > aarch64_insn_gen_comp_branch_imm(), it does not check whether > label_imm_common() returned its out-of-range sentinel (range) > before feeding the value to aarch64_insn_encode_immediate(). Queued up for 6.18.y and 6.12.y, thanks! -- Thanks, Sasha