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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9775BC433FE for ; Wed, 19 Oct 2022 13:56:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232052AbiJSN4l (ORCPT ); Wed, 19 Oct 2022 09:56:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233975AbiJSNyf (ORCPT ); Wed, 19 Oct 2022 09:54:35 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39BA518542D; Wed, 19 Oct 2022 06:37:04 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id D0FBFB8232A; Wed, 19 Oct 2022 08:49:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C976C433D6; Wed, 19 Oct 2022 08:49:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666169349; bh=boiTHlnuO/TKiwsbBxT4uNEIkYKD57pTRY5XdiRnf60=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DoukKzLs+mW3AKNP1Guu6XARVf26XA5saEjmy/P98BpSBs0Aca4T1oLHkiVPLRbSI bn2YhYxZZl4Tbr02tEFDimjTC+FZcEElzOsKrCR71ftza1rZUzO+MQO+1zsPDLoGu8 WpIlrA4fFwao2CNexndqpEQtOj5vRN9nHkbqoevg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lam Thai , Andrii Nakryiko , Quentin Monnet , John Fastabend , Sasha Levin Subject: [PATCH 6.0 244/862] bpftool: Fix a wrong type cast in btf_dumper_int Date: Wed, 19 Oct 2022 10:25:31 +0200 Message-Id: <20221019083300.795945784@linuxfoundation.org> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221019083249.951566199@linuxfoundation.org> References: <20221019083249.951566199@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Lam Thai [ Upstream commit 7184aef9c0f7a81db8fd18d183ee42481d89bf35 ] When `data` points to a boolean value, casting it to `int *` is problematic and could lead to a wrong value being passed to `jsonw_bool`. Change the cast to `bool *` instead. Fixes: b12d6ec09730 ("bpf: btf: add btf print functionality") Signed-off-by: Lam Thai Signed-off-by: Andrii Nakryiko Reviewed-by: Quentin Monnet Acked-by: John Fastabend Link: https://lore.kernel.org/bpf/20220824225859.9038-1-lamthai@arista.com Signed-off-by: Sasha Levin --- tools/bpf/bpftool/btf_dumper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/bpf/bpftool/btf_dumper.c b/tools/bpf/bpftool/btf_dumper.c index 125798b0bc5d..19924b6ce796 100644 --- a/tools/bpf/bpftool/btf_dumper.c +++ b/tools/bpf/bpftool/btf_dumper.c @@ -452,7 +452,7 @@ static int btf_dumper_int(const struct btf_type *t, __u8 bit_offset, *(char *)data); break; case BTF_INT_BOOL: - jsonw_bool(jw, *(int *)data); + jsonw_bool(jw, *(bool *)data); break; default: /* shouldn't happen */ -- 2.35.1