11 Mar
2020
11 Mar
'20
6:49 p.m.
On Tue, Mar 10, 2020 at 03:57:35PM -0500, Eric W. Biederman wrote:
So ptrace_attach and seccomp use the cred_guard_mutex to guarantee a deadlock.
Well, that's the result, but seccomp uses it because it wants to be certain that credentials and no_new_privs are changed together "atomically".
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Kees Cook