bind9/fuzz/dns_rdata_fromtext.in/mx
Petr Špaček dc9ba2d3ef
Add dns_rdata_fromtext() fuzzer
... along with dns_rdataclass_fromtext and dns_rdatatype_fromtext

Most of the test binary is modified named-rrchecker. Main differences:
- reads single RR and exists
- does not refuse meta classes and rr types
We actually do have some fromtext code for meta-things so erroring out
in named-rrchecker would prevent us from testing this code.

Corpus has examples of all currently supported RR types. I did not do
any minimization.

In future use command

    diff -U0 \
	<(sed -n -e 's/^.*fromtext_\(.*\)(.*$/\1/p' lib/dns/code.h | \
		sort) \
	<(ls fuzz/dns_rdata_fromtext.in/)

to check for missing RR types.
2022-02-24 11:12:06 +01:00

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