absolutely off-topic question, On 09/16, Eric W. Biederman wrote: > > @@ -747,11 +746,9 @@ void do_coredump(const siginfo_t *siginfo) > } > > /* get us an unshared descriptor table; almost always a no-op */ > - retval = unshare_files(&displaced); > + retval = unshare_files(); I fail to understand why do_coredump() needs unshare_files(). Could someone explain? And "almost always a no-op" above is not true, this is never a no-op in mt case; other (killed) threads sleep in exit_mm() which is called before exit_files(). Oleg.