Re: [PATCH v3 8/9] selftests/arm: Add ptrace_64 test
From: Mark Brown
Date: Tue Jun 25 2024 - 14:18:42 EST
On Tue, Jun 25, 2024 at 05:54:07PM +0530, Dev Jain wrote:
> +static int do_child(void)
> +{
> + if (ptrace(PTRACE_TRACEME, -1, NULL, NULL))
> + ksft_exit_fail_perror("PTRACE_TRACEME");
> +
> + /* SIGTRAP makes the child stop after exec; do_parent() resumes it */
> + execv("trivial_32bit_program", NULL);
> + return EXIT_SUCCESS;
> +}
We should check that the execv() worked, one thing that can go wrong is
partially installing the tests or trying to run the tests in a different
directory to the one where everything is installed. I'd be inclined to
specify the path as ./ too to avoid surprises.
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