From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-184.mta0.migadu.com (out-184.mta0.migadu.com [91.218.175.184]) (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 D7E9A22B8AA for ; Mon, 10 Mar 2025 14:20:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.184 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741616460; cv=none; b=PI5PIDr9qTs6bOIiXij71g4ehN9b1qJW/eQ4XHV8ugHmU4mcM95I2l66eskljj4Lg56XQ2RYP/Bh6i/9KhBxPjNplwtUQrprIP2YygWa3aWxzZYzomR7QM8WAQXu9ftKOaf5ConF7puHMozRHeYJDKAtXBEa+kl2dTdWxjWAQCg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741616460; c=relaxed/simple; bh=mIv5Wqu3QOJsZQZWRs7TmKsn4yWI20rQHtYvAoK2M8g=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ieTdsYefHOjJaUSge8TWcpgmtvK+l1nlKgJLND4xBP0EVX5+65nRwkKSzpclGk0z9B/NCFiPZGPGyjC62/ZtA1nKdid0okg19+rzYRB1cnxHNiscXCyIIjSdn/kSLdYfNZXiDkspXQ7pZtNRguhY+Qol49HadIxeH3IWSxMr9Yw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=JJchKHzH; arc=none smtp.client-ip=91.218.175.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="JJchKHzH" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1741616456; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ICiNP7fiGGOS+dJlGwjHfX6msknfaoabh2apeLXLkmk=; b=JJchKHzHNQp4llO40Pmqh6nbaTWzj65Pc30BlocsRxiklfLu3uKsUgio3JAGS+wAnJWjrr 9t8vETPGpHaMAJMIGpyMMC+1dCKFDjNsOT/BiGtW+MAj/fZlT1lKnj1Nx+ii6sJMnjto8q 2kzml6Bb6qYYYp2ybwZEoT2snGUv5d8= From: Jiayuan Chen To: bpf@vger.kernel.org, qmo@kernel.org Cc: daniel@iogearbox.net, linux-kernel@vger.kernel.org, ast@kernel.org, davem@davemloft.net, kuba@kernel.org, hawk@kernel.org, john.fastabend@gmail.com, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, mrpre@163.com, Jiayuan Chen Subject: [PATCH bpf-next v1 0/2] bpftool: Using the right format specifiers Date: Mon, 10 Mar 2025 22:20:35 +0800 Message-ID: <20250310142037.45932-1-jiayuan.chen@linux.dev> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT This patch adds the -Wformat-signedness compiler flag to detect and prevent format string errors, where signed or unsigned types are mismatched with format specifiers. Additionally, it fixes some format string errors that were not fully addressed by the previous patch [1]. [1] https://lore.kernel.org/bpf/20250207123706.727928-1-mrpre@163.com/T/#u Jiayuan Chen (2): bpftool: Add -Wformat-signedness flag to detect format errors bpftool: Using the right format specifiers kernel/bpf/disasm.c | 4 ++-- tools/bpf/bpftool/Makefile | 2 +- tools/bpf/bpftool/btf.c | 14 +++++++------- tools/bpf/bpftool/btf_dumper.c | 2 +- tools/bpf/bpftool/cgroup.c | 2 +- tools/bpf/bpftool/common.c | 4 ++-- tools/bpf/bpftool/jit_disasm.c | 3 ++- tools/bpf/bpftool/map_perf_ring.c | 6 +++--- tools/bpf/bpftool/net.c | 4 ++-- tools/bpf/bpftool/netlink_dumper.c | 5 ++--- tools/bpf/bpftool/prog.c | 12 ++++++------ tools/bpf/bpftool/tracelog.c | 2 +- tools/bpf/bpftool/xlated_dumper.c | 6 +++--- 13 files changed, 33 insertions(+), 33 deletions(-) -- 2.47.1