zsteg栈报错

报错如下

zsteg bincat_hacked\ \(1\).png
/var/lib/gems/3.1.0/gems/zpng-0.4.5/lib/zpng/scan_line.rb:318:in `upto': stack level too deep (SystemStackError)
        from /var/lib/gems/3.1.0/gems/zpng-0.4.5/lib/zpng/scan_line.rb:318:in `decoded_bytes'
        from /var/lib/gems/3.1.0/gems/zpng-0.4.5/lib/zpng/scan_line/mixins.rb:17:in `prev_scanline_byte'
        from /var/lib/gems/3.1.0/gems/zpng-0.4.5/lib/zpng/scan_line.rb:377:in `prev_scanline_byte'
        from /var/lib/gems/3.1.0/gems/zpng-0.4.5/lib/zpng/scan_line.rb:319:in `block in decoded_bytes'
        from /var/lib/gems/3.1.0/gems/zpng-0.4.5/lib/zpng/scan_line.rb:318:in `upto'
        from /var/lib/gems/3.1.0/gems/zpng-0.4.5/lib/zpng/scan_line.rb:318:in `decoded_bytes'
        from /var/lib/gems/3.1.0/gems/zpng-0.4.5/lib/zpng/scan_line/mixins.rb:17:in `prev_scanline_byte'
        from /var/lib/gems/3.1.0/gems/zpng-0.4.5/lib/zpng/scan_line.rb:377:in `prev_scanline_byte'
         ... 4548 levels...
        from /var/lib/gems/3.1.0/gems/zsteg-0.2.13/lib/zsteg.rb:26:in `run'
        from /var/lib/gems/3.1.0/gems/zsteg-0.2.13/bin/zsteg:8:in `<top (required)>'
        from /usr/local/bin/zsteg:25:in `load'
        from /usr/local/bin/zsteg:25:in `<main>'

栈限制过小了需要增加栈的大小

此处我设置了5mb

export RUBY_THREAD_VM_STACK_SIZE=5242880

如果需要永久设置可写入~/.bashrc(具体rc文件对应你所用的shell)