From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-181.mta0.migadu.com (out-181.mta0.migadu.com [91.218.175.181]) (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 AC50C2EA15C for ; Thu, 24 Jul 2025 15:15:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753370126; cv=none; b=NKOO5hzAtJVLYsyW0clCdVhI5MonZVzVu8D2rJcww3sQP37OYeYNhptxnlDwfyjUYXOV6BFdTX8bWuXloaD9C2O54EEJyvzTEKkQ90+ZJm9gAJYqWmd1m+KfI2Hme0HfJhxBnV54dXTKtI50RJB4orVg3AGQcQS0kIclvqPzpyc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753370126; c=relaxed/simple; bh=HFs9e4GRx5Xr5NbjGGQjvwPKKVUUlE8Z0bI9D8f35k0=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=QA51hJ77yARg9BP0H5zzjNwJ4ivjyS+XT06lc8QFcjqGbUspSzX9ZrlsgJSdmHXpAoV9nO5l0QfEMvspRQlZS6LPaYPEjtFKKwT6MyrRPG8Uli+KJhuFIW4P1xQaUPbC7q0puAUMESqzgAMUXUUOC9Ax1aXS7uTnM7rmUMIZfPY= 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=UzCI1Lzy; arc=none smtp.client-ip=91.218.175.181 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="UzCI1Lzy" 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=1753370110; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=10zbmwKgUh+KE8grpL0UhT126MR+ngBmfxMox32GllA=; b=UzCI1Lzy1y0ac3ERbi51gMX1/Qz1dv/ppr7o0syCyS6F8Qtr6hWou+XYpaSOp1V5tgi9DE WDHKwaf8rtvrYZEwOhxUIbtsA6X0syicaNKhW7IUCRyVU2Y74RZ3llolbaHRyDUXZlHlJo fV835J8IFiR5UMJjLddoNda4/imc4pE= From: KaFai Wan To: ast@kernel.org, daniel@iogearbox.net, 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, mykolal@fb.com, shuah@kernel.org, kafai.wan@linux.dev, laoar.shao@gmail.com, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, leon.hwang@linux.dev Subject: [PATCH bpf-next v4 0/4] bpf: Show precise rejected function when attaching to __noreturn and deny list functions Date: Thu, 24 Jul 2025 23:14:50 +0800 Message-ID: <20250724151454.499040-1-kafai.wan@linux.dev> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Show precise rejected function when attaching fexit/fmod_ret to __noreturn functions. Add log for attaching tracing programs to functions in deny list. Add selftest for attaching tracing programs to functions in deny list. Migrate fexit_noreturns case into tracing_failure test suite. changes: v4: - change tracing_deny case attaching function (Yonghong Song) - add Acked-by: Yafang Shao and Yonghong Song v3: - add tracing_deny case into existing files (Alexei) - migrate fexit_noreturns into tracing_failure - change SOB https://lore.kernel.org/bpf/20250722153434.20571-1-kafai.wan@linux.dev/ v2: - change verifier log message (Alexei) - add missing Suggested-by https://lore.kernel.org/bpf/20250714120408.1627128-1-mannkafai@gmail.com/ v1: https://lore.kernel.org/all/20250710162717.3808020-1-mannkafai@gmail.com/ --- KaFai Wan (4): bpf: Show precise rejected function when attaching fexit/fmod_ret to __noreturn functions bpf: Add log for attaching tracing programs to functions in deny list selftests/bpf: Add selftest for attaching tracing programs to functions in deny list selftests/bpf: Migrate fexit_noreturns case into tracing_failure test suite kernel/bpf/verifier.c | 5 +- .../bpf/prog_tests/fexit_noreturns.c | 9 ---- .../bpf/prog_tests/tracing_failure.c | 52 +++++++++++++++++++ .../selftests/bpf/progs/fexit_noreturns.c | 15 ------ .../selftests/bpf/progs/tracing_failure.c | 12 +++++ 5 files changed, 68 insertions(+), 25 deletions(-) delete mode 100644 tools/testing/selftests/bpf/prog_tests/fexit_noreturns.c delete mode 100644 tools/testing/selftests/bpf/progs/fexit_noreturns.c -- 2.43.0