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kernel/irq/proc.c: unprotected iteration over the IRQ action list in name_unique()
authorDmitry Adamushko <dmitry.adamushko@gmail.com>
Tue, 8 May 2007 07:27:31 +0000 (00:27 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 8 May 2007 18:15:05 +0000 (11:15 -0700)
setup_irq() releases a desc->lock before calling register_handler_proc(), so
the iteration over the IRQ action list is not protected.

(akpm: the check itself is still racy, but at least it probably won't oops
now).

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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