Re: [PATCH bpf-next v1 06/14] selftests/bpf: Fix cleanup in check_fd_array_cnt__fd_array_too_big()

[Eduard Zingerman]

On Wed, 2026-02-11 at 17:13 -0800, Ihor Solodrai wrote:
> The Close() macro uses the passed in expression three times, which
> leads to repeated execution in case it has side effects. That is,
> Close(i--) would decrement i three times.
> 
> ASAN caught a stack-buffer-undeflow error at a point where this was
> overlooked. Fix it.
> 
> Signed-off-by: Ihor Solodrai <ihor.solodrai@xxxxxxxxx>
> ---

Acked-by: Eduard Zingerman <eddyz87@xxxxxxxxx>

(However, in bpf headers the common pattern is to define a variable
 in the macro body, something like `int ___fd = (FD);).

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