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    SubjectRe: [PATCH 1/1] exec: do not sleep in TASK_TRACED under ->cred_guard_mutex
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    Oleg Nesterov <oleg@redhat.com> wrote:

    > - install_exec_creds() drops the mutex after commit_creds(),
    > and thus before tracehook_report_exec()->ptrace_stop().

    Thanks!

    > -
    > - /* cred_guard_mutex must be held at least to this point to prevent
    > - * ptrace_attach() from altering our determination of the task's
    > - * credentials; any time after this it may be unlocked */
    > -

    Why are you removing this comment, btw? In what way does your patch
    invalidate it?

    David


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