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Christopher Kohlhoff d7525504d0 Fix initialization of sqe->user_data for reuse by io_uring_service.
The value of user_data in a submission queue entry is only initialized
with with the ring itself, remaining unchanged after use and even
through calls to io_uring_get_sqe(3). Many submission paths apply
io_uring_sqe_set_data(3) but the remainder are submitted with stale
values that can apply completion operations on the wrong queues with the
wrong results, causing obscure bugs.
2023-03-01 23:10:02 +11:00
2023-03-01 23:03:03 +11:00
2021-03-04 09:02:43 +11:00
2023-03-01 23:03:03 +11:00
2006-06-14 22:26:36 +00:00
2021-11-01 21:19:46 +11:00
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