Re: [PATCH bpf 2/2] selftests/bpf: Add return value tests for lsm cgroup

From: Xu Kuohai

Date: Tue May 26 2026 - 03:59:47 EST


On 5/26/2026 2:43 AM, Emil Tsalapatis wrote:
On Sat May 23, 2026 at 4:58 AM EDT, Xu Kuohai wrote:
From: Xu Kuohai <xukuohai@xxxxxxxxxx>

Add tests to check return values set by bpf_set_retval() helper for lsm
cgroup programs.

After fixing the task_struct arg feel free to add:

Reviewed-by: Emil Tsalapatis <emil@xxxxxxxxxxxxxxx>

Nit: The test messages are kinda obscure, could you replace -4095~0 with "valid errno or
success" or something similar? E.g., test1/2/3/4 could be described as
"success"/"valid errno"/"invalid errno"/invalid value" instead of numbers.


Makes sense, thanks.