OSV-2022-193 UNKNOWN READ in GC_generic_malloc_many

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44961 Crash type: UNKNOWN READ Crash state: GCgenericmallocmany GCmallockind Strnewsize...

OSV-2021-562 Segv on unknown address in GC_generic_malloc_many

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32453 Crash type: Segv on unknown address Crash state: GCgenericmallocmany GCmallocatomic Strnewsize...