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Oleg Nesterov a98fdcef94 fix the "remove task_ppid_nr_ns" commit ... Commit 84427eaef1 (remove task_ppid_nr_ns) moved the task_tgid_nr_ns(task->real_parent) outside of lock_task_sighand(). This is wrong, ->real_parent could be freed/reused. Both ->parent/real_parent point to nothing after __exit_signal() because we remove the child from ->children list, and thus the child can't be reparented when its parent exits. rcu_read_lock() protects ->parent/real_parent, but _only_ if we know it was valid before we take rcu lock. Revert this part of the patch. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		17 years ago
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Makefile	…
array.c	fix the "remove task_ppid_nr_ns" commit	17 years ago
base.c	restrict reading from /proc/<pid>/maps to those who share ->mm or can ptrace pid	17 years ago
generic.c	…
inode-alloc.txt	…
inode.c	…
internal.h	restrict reading from /proc/<pid>/maps to those who share ->mm or can ptrace pid	17 years ago
kcore.c	…
kmsg.c	…
mmu.c	…
nommu.c	…
proc_devtree.c	…
proc_misc.c	…
proc_net.c	…
proc_sysctl.c	…
proc_tty.c	…
root.c	…
task_mmu.c	restrict reading from /proc/<pid>/maps to those who share ->mm or can ptrace pid	17 years ago
task_nommu.c	restrict reading from /proc/<pid>/maps to those who share ->mm or can ptrace pid	17 years ago
vmcore.c	…