[Dynamic Regions] bucket refresh panic

[tonyxuqqi]

Bug Report

[2023/04/02 20:23:26.650 +00:00] [FATAL] [lib.rs:497] ["called Option::unwrap() on a None value"] [backtrace=" 0: tikv_util::set_panic_hook::{{closure}}\n 1: <alloc::boxed::Box<F,A> as core::ops::function::Fn>::call\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/alloc/src/boxed.rs:2032:9\n std::panicking::rust_panic_with_hook\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/std/src/panicking.rs:692:13\n 2: std::panicking::begin_panic_handler::{{closure}}\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/std/src/panicking.rs:577:13\n 3: std::sys_common::backtrace::__rust_end_short_backtrace\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/std/src/sys_common/backtrace.rs:137:18\n 4: rust_begin_unwind\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/std/src/panicking.rs:575:5\n 5: core::panicking::panic_fmt\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/core/src/panicking.rs:65:14\n 6: core::panicking::panic\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/core/src/panicking.rs:114:5\n 7: raftstore_v2::operation::bucket::<impl raftstore_v2::fsm::peer::PeerFsmDelegate<EK,ER,T>>::on_refresh_region_buckets\n 8: raftstore_v2::fsm::peer::PeerFsmDelegate<EK,ER,T>::on_msgs\n 9: <raftstore_v2::batch::store::StorePoller<EK,ER,T> as batch_system::batch::PollHandler<raftstore_v2::fsm::peer::PeerFsm<EK,ER>,raftstore_v2::fsm::store::StoreFsm>>::handle_normal\n 10: batch_system::batch::Poller<N,C,Handler>::poll\n 11: std::sys_common::backtrace::__rust_begin_short_backtrace\n 12: core::ops::function::FnOnce::call_once{{vtable.shim}}\n 13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce>::call_once\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/alloc/src/boxed.rs:2000:9\n <alloc::boxed::Box<F,A> as core::ops::function::FnOnce>::call_once\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/alloc/src/boxed.rs:2000:9\n std::sys::unix::thread::Thread::new::thread_start\n at /rustc/96ddd32c4bfb1d78f0cd03eb068b1710a8cebeef/library/std/src/sys/unix/thread.rs:108:17\n 14: start_thread\n 15: __clone\n"] [location=/data4/qixu/l/tikv/components/raftstore-v2/src/operation/bucket.rs:262] [thread_name=rs-3-0]

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