On 10/12/21 8:02 AM, Pavel Begunkov wrote: > [ 158.514382] WARNING: CPU: 5 PID: 15251 at fs/io_uring.c:1141 io_free_batch_list+0x269/0x360 > [ 158.514426] RIP: 0010:io_free_batch_list+0x269/0x360 > [ 158.514437] Call Trace: > [ 158.514440] __io_submit_flush_completions+0xde/0x180 > [ 158.514444] tctx_task_work+0x14a/0x220 > [ 158.514447] task_work_run+0x64/0xa0 > [ 158.514448] __do_sys_io_uring_enter+0x7c/0x970 > [ 158.514450] __x64_sys_io_uring_enter+0x22/0x30 > [ 158.514451] do_syscall_64+0x43/0x90 > [ 158.514453] entry_SYSCALL_64_after_hwframe+0x44/0xae > > We should not touch request internals including req->comp_list.next > after putting our ref if it's not final, e.g. we can start freeing > requests from the free cache. Applied, thanks. -- Jens Axboe
