[LTP] cve: add pwnescape reproducer

[linuxtestproject.agent@gmail.com]

Hi Andrea,

On 20 Oct 2026, Andrea Cervesato wrote:
> cve: add pwnescape reproducer

> +	SAFE_FILE_PRINTF("/proc/sys/net/ipv4/ip_forward", "1");

Medium severity: CONFIG_TUN and the namespace dependencies allow
CONFIG_SYSCTL=n. On that configuration this path is absent, so setup
reports TBROK instead of TCONF; add CONFIG_SYSCTL=y to .needs_kconfigs.

Verdict - Needs revision

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