OSV-2026-879 Heap-use-after-free in lsr_restore_base

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=520664955 Crash type: Heap-use-after-free READ 8 Crash state: lsrrestorebase lsrreadpolygon lsrreadscenecontentmodel...