[Bug 2077047] [NEW] riscv server: fail to login if compress is enabled by client

[YunQiang Su]

Public bug reported:

I have a RISC-V box, which has Noble installed, and the version of
openssl-server is 1:9.6p1-3ubuntu13.4.

If I have `Compression yes` in my ~/.ssh/config, I will fail to login my riscv box:
  Connection closed by xxx.xxx.xxx.xxx

I also have an ARM64 boxes, which has the same system/openssh-server installed, while I can login with
the same ssh-client and config.

I tried several ssh-client, include Openssh 9.7p1 on Debian Sid, Opens
9.6p1 on macOS 14.5/M1.

** Affects: openssh (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2077047

Title:
  riscv server: fail to login if compress is enabled by client

Status in openssh package in Ubuntu:
  New

Bug description:
  I have a RISC-V box, which has Noble installed, and the version of
  openssl-server is 1:9.6p1-3ubuntu13.4.

  If I have `Compression yes` in my ~/.ssh/config, I will fail to login my riscv box:
    Connection closed by xxx.xxx.xxx.xxx

  I also have an ARM64 boxes, which has the same system/openssh-server installed, while I can login with
  the same ssh-client and config.

  I tried several ssh-client, include Openssh 9.7p1 on Debian Sid, Opens
  9.6p1 on macOS 14.5/M1.

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