OSV-2020-881 Heap-buffer-overflow in read_uleb128

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18549 Crash type: Heap-buffer-overflow READ 1 Crash state: readuleb128 walkexports getsymbols...

radare2:ia_fuzz: Heap-buffer-overflow in read_uleb128

Detailed Report: https://oss-fuzz.com/testcase?key=6048106239492096 Project: radare2 Fuzzing Engine: libFuzzer Fuzz Target: iafuzz Job Type: libfuzzerasanradare2 Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x6020000365f8 Crash State: readuleb128 walkexports getsymbol...