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ptrace: PTRACE_LISTEN forgets to unlock ->siglock
authorOleg Nesterov <oleg@redhat.com>
Sun, 25 Sep 2011 17:46:22 +0000 (19:46 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sun, 25 Sep 2011 18:02:00 +0000 (11:02 -0700)
If PTRACE_LISTEN fails after lock_task_sighand() it doesn't drop ->siglock.

Reported-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

No differences found
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