Adding hashtable fuzzer

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from #23671)

fuzz/build.info

@@ -10,7 +10,7 @@
 
 IF[{- !$disabled{"fuzz-afl"} || !$disabled{"fuzz-libfuzzer"} -}]
   PROGRAMS{noinst}=asn1 asn1parse bignum bndiv client conf crl server smime
-  PROGRAMS{noinst}=punycode pem decoder
+  PROGRAMS{noinst}=punycode pem decoder hashtable
   PROGRAMS{noinst}=v3name
 
   IF[{- !$disabled{"cmp"} -}]
@@ -93,6 +93,10 @@ IF[{- !$disabled{"fuzz-afl"} || !$disabled{"fuzz-libfuzzer"} -}]
   INCLUDE[decoder]=../include {- $ex_inc -}
   DEPEND[decoder]=../libcrypto {- $ex_lib -}
 
+  SOURCE[hashtable]=hashtable.c driver.c
+  INCLUDE[hashtable]=../include {- $ex_inc -}
+  DEPEND[hashtable]=../libcrypto {- $ex_lib -}
+
   SOURCE[punycode]=punycode.c driver.c
   INCLUDE[punycode]=../include {- $ex_inc -}
   DEPEND[punycode]=../libcrypto.a {- $ex_lib -}
@@ -132,7 +136,7 @@ ENDIF
 
 IF[{- !$disabled{tests} -}]
   PROGRAMS{noinst}=asn1-test asn1parse-test bignum-test bndiv-test client-test conf-test crl-test server-test smime-test
-  PROGRAMS{noinst}=punycode-test pem-test decoder-test
+  PROGRAMS{noinst}=punycode-test pem-test decoder-test hashtable-test
   PROGRAMS{noinst}=v3name-test
 
   IF[{- !$disabled{"cmp"} -}]
@@ -217,6 +221,10 @@ IF[{- !$disabled{tests} -}]
   INCLUDE[decoder-test]=../include
   DEPEND[decoder-test]=../libcrypto
 
+  SOURCE[hashtable-test]=hashtable.c test-corpus.c fuzz_rand.c
+  INCLUDE[hashtable-test]=../include
+  DEPEND[hashtable-test]=../libcrypto.a
+
   SOURCE[punycode-test]=punycode.c test-corpus.c
   INCLUDE[punycode-test]=../include
   DEPEND[punycode-test]=../libcrypto.a