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由 Oleg Nesterov 提交于
A zombie must have a valid ->signal, we are going to release it and __exit_signal() starts with BUG_ON(!sig). Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: Roland McGrath <roland@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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