[LTP] ioctl_pidfd06: Update kernel version

[linuxtestproject.agent@gmail.com]

Hi Petr,

On 2026-04-24, Petr Vorel wrote:
> ioctl_pidfd06: Update kernel version

> -	if (tst_kvercmp(7, 0, 0) >= 0)
> +	if (tst_kvercmp(6, 18, 14) >= 0)
>  		err_nr = EREMOTE;

tst_kvercmp(6, 18, 14) >= 0 is too broad: because tst_kvercmp compares
(major, minor, patch) as ordered integers, it evaluates true for all
v6.19.x, including v6.19.0-v6.19.9 which do not carry the backport
(which landed in v6.19.10). Those kernels would see a false EREMOTE
expectation and TFAIL.

The check needs to handle both stable branches independently, e.g.:

	if (tst_kvercmp(7, 0, 0) >= 0 ||
	    (tst_kvercmp(6, 18, 14) >= 0 && tst_kvercmp(6, 19, 0) < 0) ||
	    tst_kvercmp(6, 19, 10) >= 0)
		err_nr = EREMOTE;

Also, since this corrects a bug (TFAIL on kernels with the backport),
please add a Fixes: tag referencing the commit that introduced the
original tst_kvercmp(7, 0, 0) check.

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