Re: [PATCH net-next v2 7/7] selftest: netconsole: add test for cmdline configuration

[Jakub Kicinski <kuba@kernel.org>]

On Wed, 11 Jun 2025 07:18:56 -0700 Breno Leitao wrote:
> Add a new selftest to verify netconsole module loading with command
> line arguments. This test exercises the init_netconsole() path and
> validates proper parsing of the netconsole= parameter format.
> 
> The test:
> - Loads netconsole module with cmdline configuration instead of
>   dynamic reconfiguration
> - Validates message transmission through the configured target
> - Adds helper functions for cmdline string generation and module
>   validation
> 
> This complements existing netconsole selftests by covering the
> module initialization code path that processes boot-time parameters.
> This test is useful to test issues like the one described in [1].

I think this leaks the IP address, because if netcons_overflow.sh
runs afterwards it skips with:

#     inet 192.0.2.1/24 scope global eni370np1
# SKIP: IPs already in use. Skipping it


if netcons_overflow.sh runs first everything is fine.
-- 
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