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[uczwq]

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Issue description

(gdb) bt
#0 0x0000007fabecf378 in raise () from /opt/OK3568/host/aarch64-buildroot-linux-gnu/sysroot/lib/libc.so.6
#1 0x0000007fabebd9c0 in abort () from /opt/OK3568/host/aarch64-buildroot-linux-gnu/sysroot/lib/libc.so.6
#2 0x0000007fabf06fdc in ?? () from /opt/OK3568/host/aarch64-buildroot-linux-gnu/sysroot/lib/libc.so.6
#3 0x0000007fabf0d4dc in ?? () from /opt/OK3568/host/aarch64-buildroot-linux-gnu/sysroot/lib/libc.so.6
#4 0x0000007fabf0eb94 in ?? () from /opt/OK3568/host/aarch64-buildroot-linux-gnu/sysroot/lib/libc.so.6
#5 0x0000007fb038049c in zmq::msg_t::add_refs (this=0x7f9c001e80, refs_=-1677710144) at src/msg.cpp:613
#6 0x0000007fb03ae268 in zmq::v3_1_encoder_t::message_ready (this=0x0) at src/v3_1_encoder.cpp:53
#7 0x0000007fa3c3c798 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb)

Environment

• libzmq version (commit hash if unreleased):

1. zmqpp
   version: v4.2.0
   github url：https://github.com/zeromq/zmqpp/tree/4.2.0
   libzmq
   version：v4.3.4
   github url：https://github.com/zeromq/libzmq/tree/v4.3.4

• OS:
• Linux ok3568 4.19.206 assertion failed: rc != -1 (epoll.cpp:83) (Bad file descriptor) #39 SMP Tue Aug 15 09:23:53 CST 2023 aarch64 GNU/Linux

Minimal test code / Steps to reproduce the issue

What's the actual result? (include assertion message & call stack if applicable)

What's the expected result?