Re: [PATCH v3 08/11] ptrace: Admit ptrace_stop can generate spuriuos SIGTRAPs

From: Oleg Nesterov
Date: Thu May 05 2022 - 11:28:24 EST


On 05/04, Eric W. Biederman wrote:
>
> -static int ptrace_stop(int exit_code, int why, int clear_code,
> - unsigned long message, kernel_siginfo_t *info)
> +static int ptrace_stop(int exit_code, int why, unsigned long message,
> + kernel_siginfo_t *info)

Forgot to mention... but in general I like this change.

In particular, I like the fact it kills the ugly "int clear_code" arg
which looks as if it solves the problems with the exiting tracer, but
actually it doesn't. And we do not really care, imo.

Oleg.