> Kun Hu, can you try out the patch I sent? It should likely be > it, but I couldn't reproduce without hand tailoring the kernel > code with sleeping and such. Okay, I’ll try again. Please wait for me for a moment. But you mean you couldn’t reproduce using the c program I provided unless you tailor the kernel code? > 在 2024年12月27日，00:56，Pavel Begunkov <asml.silence@xxxxxxxxx> 写道： > > On 12/26/24 03:43, Kun Hu wrote: >>> This is not caused by a locking bug. The freed structure is a task_struct which is passed by io_sq_thread() to try_to_wake_up(). So the culprit is probably in the io_uring code. cc'ing the io_uring developers for further review. >> Thanks. This also seems to involve sqpoll.c and io_uring.c. I'm sending an email to both Pavel Begunkov and Jens Axboe, with a cc to io_uring. > > Kun Hu, can you try out the patch I sent? It should likely be > it, but I couldn't reproduce without hand tailoring the kernel > code with sleeping and such. > > -- > Pavel Begunkov > >
