Aborted detected by fuzzing

[stuartly]

I try to fuzz bison-3.0.4, and I detect an crash in two minute. The crash information is as below:

stly@stly-XPS-8700:~/Desktop/TargetFuzz/Benchmark/bison-3.0.4$ ./installed-Org/bin/bison out/crashes/id\:000000\,sig\:06\,src\:000004\,op\:flip1\,pos\:560 
bison: src/reader.c:768: void check_and_convert_grammar(void): Assertion `nsyms == ntokens + nvars' failed.
Aborted

The attachment is the POC input.

id:000000,sig:06,src:000004,op:flip1,pos:560.tar.gz

[akimd]

Please see the "original" repo for Bison instead.

https://github.com/akimd/bison