BUILD_OK
persistent dc_stream_state.dst.height over repeated FAILED interlaced validations (1080p interlaced + tiny plane):
attempt 0: dst.height=1080
attempt 1: FAIL dst.height=2160 (0x870)
attempt 2: FAIL dst.height=4320 (0x10e0)
attempt 3: FAIL dst.height=8640 (0x21c0)
attempt 4: FAIL dst.height=17280 (0x4380)
attempt 5: FAIL dst.height=34560 (0x8700)
attempt 6: FAIL dst.height=69120 (0x10e00)
attempt 7: FAIL dst.height=138240 (0x21c00)
attempt 8: FAIL dst.height=276480 (0x43800)
attempt 9: FAIL dst.height=552960 (0x87000)
attempt 10: FAIL dst.height=1105920 (0x10e000)
attempt 11: FAIL dst.height=2211840 (0x21c000)
attempt 12: FAIL dst.height=4423680 (0x438000)
attempt 13: FAIL dst.height=8847360 (0x870000)
attempt 14: FAIL dst.height=17694720 (0x10e0000)
attempt 15: FAIL dst.height=35389440 (0x21c0000)
attempt 16: FAIL dst.height=70778880 (0x4380000)
attempt 17: FAIL dst.height=141557760 (0x8700000)
attempt 18: FAIL dst.height=283115520 (0x10e00000)
attempt 19: FAIL dst.height=566231040 (0x21c00000)
attempt 20: FAIL dst.height=1132462080 (0x43800000)
attempt 21: FAIL dst.height=-2030043136 (0x87000000)
attempt 22: FAIL dst.height=234881024 (0xe000000)
attempt 23: FAIL dst.height=469762048 (0x1c000000)

Every failed attempt leaves the doubling unbalanced (early return at :1125 skips the /=2 at :1188).
dst.height overflows signed int after 21 doublings (1080 * 2^21 > INT_MAX) -> negative heights feed calculate_recout()/calculate_scaling_ratios().
EXIT=0