Re: [RFC][PATCH][2.5] Possible race in wait_task_zombie and finish_task_switch

William Lee Irwin III (wli@holomorphy.com)
Sun, 25 May 2003 13:31:15 -0700


On Sun, May 25, 2003 at 01:23:59PM +0200, Manfred Spraul wrote:
> Hmm. What is schedule.c:746? There is no BUG in that area in the bk tree.
> Zwane, is it easy to reproduce the crash? I could write a patch that
> adds 4 refcounters, then we could find out in which area we must look.

There's a check in -mm that reads an otherwise unused chunk of the task_t
and checks to see if it's slab poison.

-- wli
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