From patchwork Thu Aug 8 08:15:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 13757102 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 02E77188CC5; Thu, 8 Aug 2024 08:17:34 +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=1723105055; cv=none; b=K74NBJpM/1sc1PnW/MYfnzhr+j2vChQIfU3lBXXz9QAlatb5dvPSmK11/C+JqG4Rzcz5h9BDItGiLHhSZ0b1+U3YIBsGprmkJyYiRUmnK8W/P7rMYcIfSnM62qTDVzkPVe1+f0NYBuuoc9T7UJmJ7zvpuQUctmQa4wzI2q5U86o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723105055; c=relaxed/simple; bh=Ns+1fxdSm08kdtmE5k60TaoPkn5o0cedh5wov4OMD2s=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OWsPZ+NDtfqm6jXxuDUDUgAHgQogJiu/OsgOn7z8hVEk4T1n4GpdK8ht+yKjaoYKEdt3rGKu9vxtGLXKhdB4cb7/a5R+0SH1YaddvgKzzpjwD9y1qGmdP/th2VCI33soM0TRTtP83tMXiT7v4FvIrtrVM6omfDYxPovqssARMmE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IBZMaw+q; 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="IBZMaw+q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63484C4AF13; Thu, 8 Aug 2024 08:17:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723105054; bh=Ns+1fxdSm08kdtmE5k60TaoPkn5o0cedh5wov4OMD2s=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=IBZMaw+qQ3UIbw0tHOmQ75l/zS9cgxy0dS/VomfuFsE9NihOtqzzWUinj+v68lsrA ZDMNE/CvsMaycQeKLTCXaayVOPtVDVJqf58qTOtemqUawMDvaS5puqdqGas9TZBLsD w9QWUMHYAOjJpT5SkKE78xKAkngi+8PEUUyZps7u1J3Ozzy44vwp+8kBcVahHg4c9l wrDAwjL3QtOy8qZ6XKk5btm13c6JVklV3aYht/MXN+si51dqtqmTPSTXHdu/mjmPNT tGWfxTAw0seyhEmb0y3BBPJlze6GM2WrFRbvkANXXY+yx0jIVInznvWcpXvMCm53p7 ApK8pCNT6buCQ== From: Mark Brown Date: Thu, 08 Aug 2024 09:15:28 +0100 Subject: [PATCH RFT v8 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: <20240808-clone3-shadow-stack-v8-7-0acf37caf14c@kernel.org> References: <20240808-clone3-shadow-stack-v8-0-0acf37caf14c@kernel.org> In-Reply-To: <20240808-clone3-shadow-stack-v8-0-0acf37caf14c@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 , 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/pANAwAKASTWi3JdVIfQAcsmYgBmtH7Pt250n9U88Z0izycnwrJNTy8HRaEsVEjKz ErcU3cXzQiJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZrR+zwAKCRAk1otyXVSH 0LMXB/9yr+1rHyn3A47ReERM2mxpFBh1kzPItdZ1NEsMB0oVm2CJZEjoDd6rnZ+YO8e2lM53QBX Wkx8am19cBrO1sD2+B6STFI5HNcGGEa9DVeX+SE4X2BiEGidFOV/7Kfh7ED3W6oz1sNFzh0is5X XLHugTDQE+I4Ce3uBAiSQ7fc9fdTAU6dKYSNquskuZSfP6IE9JfcsT9O63aHhB3bwFu4O792Mp7 X8LozPalk9chxwlLrZvDWtQ0oA+lobpkRdwEGRpD/zH4s7IqlT3/PH+YaEx5Xjb66ohTGffx6Hg zmeLt6T6dfKOxK1xfk0Wj4cTtD0BLV1BR2bveF6kwXoKslsw 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);