bound aho-corasick state and match indices in yr_rules_from_arena - #2241
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jmestwa-coder wants to merge 1 commit into
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bound aho-corasick state and match indices in yr_rules_from_arena#2241jmestwa-coder wants to merge 1 commit into
jmestwa-coder wants to merge 1 commit into
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validate the aho-corasick transition and match tables when loading, otherwise a crafted .yrc whose next-state or match-pool index points past the end of the tables makes the per-byte scan loop in _yr_scanner_scan_mem_block read out of bounds.