Messages in this thread | | | From | Jens Axboe <> | Subject | Re: [PATCH 1/2] bfq: fix waker_bfqq inconsistency crash | Date | Wed, 09 Nov 2022 12:47:01 -0700 |
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On Tue, 8 Nov 2022 10:10:29 -0800, Khazhismel Kumykov wrote: > This fixes crashes in bfq_add_bfqq_busy due to waker_bfqq being NULL, > but woken_list_node still being hashed. This would happen when > bfq_init_rq() expects a brand new allocated queue to be returned from > bfq_get_bfqq_handle_split() and unconditionally updates waker_bfqq > without resetting woken_list_node. Since we can always return oom_bfqq > when attempting to allocate, we cannot assume waker_bfqq starts as NULL. > > [...]
Applied, thanks!
[1/2] bfq: fix waker_bfqq inconsistency crash commit: a1795c2ccb1e4c49220d2a0d381540024d71647c [2/2] bfq: ignore oom_bfqq in bfq_check_waker commit: 99771d73ff4539f2337b84917f4792abf0d8931b
Best regards, -- Jens Axboe
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