Wireshark - 'find_signature' Heap Out-of-Bounds Read

The following crash due to a heap-based out-of-bounds read can be observed in an ASAN build of Wireshark current git master, by feeding a malformed file to tshark "$ ./tshark -nVxr /path/to/file": --- cut --- ==35788==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x62d0000e4400 at pc...