OSV-2020-827 Use-of-uninitialized-value in llvm_ks::isIntN

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22920 Crash type: Use-of-uninitialized-value Crash state: llvmks::isIntN X86AsmBackend::applyFixup llvmks::MCAssembler::layout...

keystone/fuzz_asm_sparc64be: Heap-buffer-overflow in ELFSparcAsmBackend::applyFixup

Detailed report: https://oss-fuzz.com/testcase?key=5642078139187200 Project: keystone Fuzzer: libFuzzerkeystonefuzzasmsparc64be Fuzz target binary: fuzzasmsparc64be Job Type: libfuzzerasankeystone Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x6070000003e1 Crash State...