OSV-2021-1628 Stack-buffer-overflow in sprint_realloc_hinted_integer

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41372 Crash type: Stack-buffer-overflow WRITE 1 Crash state: sprintreallochintedinteger sprintreallocinteger snprintinteger...