On Sat, Aug 01, 2026 at 10:29:23PM +0000, Deep Shah wrote: > testptp's -f option stores the requested adjustment as an int ppb and > converts it to scaled ppm, so it cannot express the 64-bit scaled-ppm > values needed to overflow scaled_ppm_to_ppb() and bypass the max_adj > check enforced by ptp_clock_adjtime(). > > Add a small test that crafts struct timex.freq directly and verifies that > an overflowing frequency adjustment is rejected with -ERANGE. The test > skips when no frequency-adjustable PTP device is available. > > Signed-off-by: Deep Shah <[email protected]>
Acked-by: Richard Cochran <[email protected]>
