From patchwork Wed Jul 31 12:14:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 815814 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 7211D1B010D; Wed, 31 Jul 2024 12:19:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722428386; cv=none; b=K3YLwJSLy4pRBKvMHtoj8SMkt8mZzAsoHXZjdn+3xDLfhS/VJpLsbAmyR7ExfR183tvOtQ/8Gvki/uxNT4f1y7VjZpGqkMd6Jgm6lcuVyNYmgemIwYL7q1ns78/cFv8W9QvCD2o6sTLmnW9hwBtEUbjPT3Ou8JNHfzL+uc3TupA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722428386; c=relaxed/simple; bh=Ns+1fxdSm08kdtmE5k60TaoPkn5o0cedh5wov4OMD2s=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=VtlhCjiYFdA+KPdtZniOL/TTd/9gc1DHyUG9ESElGjxecFmkH/BJ+AP0rah3hCUKdm8p27MVTvTzybA2Lsnw2BsE8sXzZejI+5+NrG0KxKT87bXm8m8grxFGIB/bCCk1PAMmvW47+lF031EXDQoih6bRgqlzuv+bD9QcCCpBNvk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ht8q6aAY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ht8q6aAY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8DCE0C4AF0C; Wed, 31 Jul 2024 12:19:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722428386; bh=Ns+1fxdSm08kdtmE5k60TaoPkn5o0cedh5wov4OMD2s=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ht8q6aAYkmsoxJWrvp9DVOsvJNMUeaUQYvmi1zNQm9HZf+iO9FL8mW3fWpfmkqtLj gSX58F7+JZ1teV5C5A4X1FhoJ08iwztwP+UkEc6iFS/0QNIEWw8xJguQrZFKY96oDT 0ln0u+o1diDHV31vAkwd00JUStGjZ4cRC5ALZTqIy46ilRjP79Bffpz0LCSrpCE1vQ bu8lq814gDACrI7wvvwG14vw9wMCzh83CT4WvqPGsUqBWQ71RJO8WGDj6r4wF4Fy6G KFzZRWm00lk3t1JVnllNraQqPiFh7ivqZuSx+V88aP7JVfn92nMWAfLCFho2lpTp+o 63x0Wi7qds+TA== From: Mark Brown Date: Wed, 31 Jul 2024 13:14:13 +0100 Subject: [PATCH RFT v7 7/9] selftests/clone3: Explicitly handle child exits due to signals Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240731-clone3-shadow-stack-v7-7-a9532eebfb1d@kernel.org> References: <20240731-clone3-shadow-stack-v7-0-a9532eebfb1d@kernel.org> In-Reply-To: <20240731-clone3-shadow-stack-v7-0-a9532eebfb1d@kernel.org> To: "Rick P. Edgecombe" , Deepak Gupta , Szabolcs Nagy , "H.J. Lu" , Florian Weimer , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Christian Brauner , Shuah Khan Cc: linux-kernel@vger.kernel.org, Catalin Marinas , Will Deacon , jannh@google.com, bsegall@google.com, linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org, Mark Brown , Kees Cook X-Mailer: b4 0.15-dev-37811 X-Developer-Signature: v=1; a=openpgp-sha256; l=1097; i=broonie@kernel.org; h=from:subject:message-id; bh=Ns+1fxdSm08kdtmE5k60TaoPkn5o0cedh5wov4OMD2s=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBmqiuwbcO9UTdUesirwLQsw94zrJDokDcQEQcmEH9b Qqiy90KJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZqorsAAKCRAk1otyXVSH0PcdB/ 0f+JoYeSHm2g+j+gFYmG6VcSGazpUHB49Dyho4aDTQtJyufbHcP9xIKuK/Lj2BNApVkHbpDpZ6NSUo fWjsOzSTmJYXo4tpllISxzZDvIb0LsHVu+IcZ2jrk350lhimnJ0stdumPhBHUaEb5LXUV0ZoN+viia YVcWnZfGDq24L1sUguNdo04C2FKqW5V16qkIuLKSt7ZP0tLB2grNxPE3UUjZTVJF/84y4RYvtzWp44 MoUOZvWbE0dxn0Ug2qbpSLYjkn5DQxcgkVfOFaASX/qHqnc4lzO9/AwBK3m+FjBW97jqTkH1k3heuH e0Rlk9HWFAouPIVDwI0s8lRJb3zU6U X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB In order to improve diagnostics and allow tests to explicitly look for signals check to see if the child exited due to a signal and if it did print the code and return it as a positive value, distinct from the negative errnos currently returned. Signed-off-by: Mark Brown --- tools/testing/selftests/clone3/clone3.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/testing/selftests/clone3/clone3.c b/tools/testing/selftests/clone3/clone3.c index e066b201fa64..3b3a08e6a34d 100644 --- a/tools/testing/selftests/clone3/clone3.c +++ b/tools/testing/selftests/clone3/clone3.c @@ -111,6 +111,13 @@ static int call_clone3(uint64_t flags, size_t size, enum test_mode test_mode) ksft_print_msg("waitpid() returned %s\n", strerror(errno)); return -errno; } + + if (WIFSIGNALED(status)) { + ksft_print_msg("Child exited with signal %d\n", + WTERMSIG(status)); + return WTERMSIG(status); + } + if (!WIFEXITED(status)) { ksft_print_msg("Child did not exit normally, status 0x%x\n", status);