a9e46229b2
A newer main-side sniff fast-path skipped any file with a NUL in its head, short-circuiting before the magic-number check the salvaged fix added — reintroducing the #77927 bypass. Key the fast-path on executable magic only; NUL-bearing text falls through to the tail logic (magic check, size-before-strip, NUL-strip, scan).