tree 7f3fa06b708a508f4cc0fa6ef7894ede14101c87
parent df0b4a5080ca668636831b641a6356500fb5c637
author Oleg Nesterov <oleg@redhat.com> 1236031125 +0100
committer Linus Torvalds <torvalds@linux-foundation.org> 1236630205 -0700

copy_process: fix CLONE_PARENT && parent_exec_id interaction

CLONE_PARENT can fool the ->self_exec_id/parent_exec_id logic. If we
re-use the old parent, we must also re-use ->parent_exec_id to make
sure exit_notify() sees the right ->xxx_exec_id's when the CLONE_PARENT'ed
task exits.

Also, move down the "p->parent_exec_id = p->self_exec_id" thing, to place
two different cases together.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Serge E. Hallyn <serge@hallyn.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>