live4thee opened a new issue, #3252:
URL: https://github.com/apache/brpc/issues/3252
**Describe the bug**
Spotted from log, as shown below:
```txt
PC: @ Ox0(unknown)
*** SIGSEGV（@0x4) received by PID 7（TID Ox7f45f57bd6c0) from PID 4; stack
trace: ***
0x561a2f021526 google::Canonymousnamespace)::FailureSignaLHandler()
0x7f45f8254050 （unknown)
0x561a2ef11e9f butil::IOBuf::clear()
0x561aZed92a2e brpc::rdma::RdmaEndpoint::HandleCompletion()
0x561a2ed92f33 brpc::rdma::RdmaEndpoint::PollCq()
0x561a2ed56290 brpc::Socket::ProcessEvent()
0x561a2eecffcf bthread::TaskGroup::task_runner()
0x561a2eeea901 bthread_make_fcontext
```
In theory, we have ref-counting in Socket::Address() that protects racing
against `_sq_sent` between WaitAndReset() and RdmaEndpoint::PollCq(), but ...
@yanglimingcn @chenBright Any clue?
**To Reproduce**
unknown
**Expected behavior**
No crash.
**Versions**
OS: Debian 12
Compiler: g++ (Debian 14.2.0-19) 14.2.0
brpc: 1.14
protobuf:
**Additional context/screenshots**
n/a
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