GHSA-QWGH-2VCV-G2F7 block_buffer: panic corrupts inline buffer position

Summary A caught panic may leave the cursor position of EagerBuffer or ReadBuffer in a corrupted state; this in turn allows out-of-bounds reads/writes. Details & PoC The following two tests fail miri: rust cfgmiri test fn eagerdigestblockspaniccorruptsinlineposition // EagerBuffer stores its curs...