Hi, I ran afl-fuzz against tcc and found an example of a 9-byte file that crashes the compiler:
root@270aea9e84e5:~/o/crashes# hexdump -C
id\:000000\,sig\:11\,src\:000000\,op\:arith8\,pos\:1\,val\:-6
00000000 6d 5b 69 6e 28 29 7b 7d 0a |m[in(){}.|
00000009
There are also other crashes - if anybody is still hacking on TCC, I can
forward you the test cases and/or instruct on how to fuzz the program.
Cheers,
d33tah
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