Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
5	44	isc_buffer_reserve	call site: 00044	ISC_ALIGN
5	240	isc_lex_gettoken	call site: 00240	grow_data
4	29	LLVMFuzzerTestOneInput	call site: 00029	REQUIRE
4	172	isc_lex_gettoken	call site: 00172	isc__errno2result
3	10	isc_buffer_putuint8	call site: 00010	strlcpy
2	61	dns_rdata_fromwire	call site: 00061	dns_rdata_fromregion
2	80	dns_name_isabsolute	call site: 00080	unknown_totext
2	155	dns_rdata_fromtext	call site: 00155	REQUIRE
2	327	isc_lex_isfile	call site: 00327	isc_lex_getsourcename
2	363	dns_compress_init	call site: 00363	dns_rdata_towire
1	0	EP	call site: 00000	dns_rdatatype_ismeta
1	2	dns_rdatatype_ismeta	call site: 00002	dns_rdatatype_format

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           dns_rdatatype_ismeta

[function] [call site] 00001


             dns_rdatatype_attributes

[function] [call site] 00002


           dns_rdatatype_format

[function] [call site] 00003


             isc_buffer_init

[function] [call site] 00004


               REQUIRE

[function] [call site] 00005


             dns_rdatatype_totext

[function] [call site] 00006


             isc_buffer_availablelength

[function] [call site] 00007


             isc_buffer_putuint8

[function] [call site] 00008


               ISC_BUFFER_PUT_RESERVE

[function] [call site] 00009


               isc_buffer_used

[function] [call site] 00010


             strlcpy

[function] [call site] 00011


           strncmp

[function] [call site] 00012


           assert

[function] [call site] 00013


           fprintf

[function] [call site] 00014


           dns_rdatacallbacks_init

[function] [call site] 00015


             dns_rdatacallbacks_initcommon

[function] [call site] 00016


               REQUIRE

[function] [call site] 00017


           isc_buffer_constinit

[function] [call site] 00018


           isc_buffer_add

[function] [call site] 00019


             REQUIRE

[function] [call site] 00020


             ISC_BUFFER_VALID

[function] [call site] 00021


             REQUIRE

[function] [call site] 00022


           isc_buffer_setactive

[function] [call site] 00023


             REQUIRE

[function] [call site] 00024


             ISC_BUFFER_VALID

[function] [call site] 00025


             REQUIRE

[function] [call site] 00026


           isc_buffer_init

[function] [call site] 00027


           CHECK

[function] [call site] 00028


           dns_rdata_fromwire

[function] [call site] 00029


             REQUIRE

[function] [call site] 00030


             DNS_RDATA_INITIALIZED

[function] [call site] 00031


             REQUIRE

[function] [call site] 00032


             DNS_RDATA_VALIDFLAGS

[function] [call site] 00033


             REQUIRE

[function] [call site] 00034


             REQUIRE

[function] [call site] 00035


             isc_buffer_activelength

[function] [call site] 00036


             INSIST

[function] [call site] 00037


             isc_buffer_availablelength

[function] [call site] 00038


             isc_buffer_putmem

[function] [call site] 00039


               REQUIRE

[function] [call site] 00040


               ISC_BUFFER_VALID

[function] [call site] 00041


               isc_buffer_reserve

[function] [call site] 00042


                 REQUIRE

[function] [call site] 00043


                 ISC_BUFFER_VALID

[function] [call site] 00044


                 ISC_ALIGN

[function] [call site] 00045


                 isc_mem_get

[function] [call site] 00046


                 memmove

[function] [call site] 00047


                 isc_mem_creget

[function] [call site] 00048


               REQUIRE

[function] [call site] 00049


               REQUIRE

[function] [call site] 00050


               isc_buffer_availablelength

[function] [call site] 00051


               memmove

[function] [call site] 00052


               isc_buffer_used

[function] [call site] 00053


             isc_buffer_current

[function] [call site] 00054


             isc_buffer_forward

[function] [call site] 00055


               REQUIRE

[function] [call site] 00056


               ISC_BUFFER_VALID

[function] [call site] 00057


               REQUIRE

[function] [call site] 00058


             isc_buffer_usedlength

[function] [call site] 00059


             isc_buffer_usedlength

[function] [call site] 00060


             buffer_empty

[function] [call site] 00061


             isc_buffer_used

[function] [call site] 00062


             dns_rdata_fromregion

[function] [call site] 00063


               REQUIRE

[function] [call site] 00064


               REQUIRE

[function] [call site] 00065


               DNS_RDATA_INITIALIZED

[function] [call site] 00066


               REQUIRE

[function] [call site] 00067


               REQUIRE

[function] [call site] 00068


               DNS_RDATA_VALIDFLAGS

[function] [call site] 00069


           assert

[function] [call site] 00070


           isc_buffer_init

[function] [call site] 00071


           dns_rdata_totext

[function] [call site] 00072


             REQUIRE

[function] [call site] 00073


             DNS_RDATA_VALIDFLAGS

[function] [call site] 00074


             rdata_totext

[function] [call site] 00075


               REQUIRE

[function] [call site] 00076


               REQUIRE

[function] [call site] 00077


               dns_name_isabsolute

[function] [call site] 00078


                 REQUIRE

[function] [call site] 00079


                 DNS_NAME_VALID

[function] [call site] 00080


               INSIST

[function] [call site] 00081


               unknown_totext

[function] [call site] 00082


                 strlcpy

[function] [call site] 00083


                 RETERR

[function] [call site] 00084


                 str_totext

[function] [call site] 00085


                   isc_buffer_availableregion

[function] [call site] 00086


                     REQUIRE

[function] [call site] 00087


                     ISC_BUFFER_VALID

[function] [call site] 00088


                     REQUIRE

[function] [call site] 00089


                     isc_buffer_used

[function] [call site] 00090


                     isc_buffer_availablelength

[function] [call site] 00091


                   strlen

[function] [call site] 00092


                   memmove

[function] [call site] 00093


                   isc_buffer_add

[function] [call site] 00094


                 dns_rdata_toregion

[function] [call site] 00095


                   REQUIRE

[function] [call site] 00096


                   REQUIRE

[function] [call site] 00097


                   REQUIRE

[function] [call site] 00098


                   DNS_RDATA_VALIDFLAGS

[function] [call site] 00099


                 INSIST

[function] [call site] 00100


                 snprintf

[function] [call site] 00101


                 RETERR

[function] [call site] 00102


                 str_totext

[function] [call site] 00103


                 RETERR

[function] [call site] 00104


                 str_totext

[function] [call site] 00105


                 RETERR

[function] [call site] 00106


                 str_totext

[function] [call site] 00107


                 isc_hex_totext

[function] [call site] 00108


                   hex_totext

[function] [call site] 00109


                     memset

[function] [call site] 00110


                     RETERR

[function] [call site] 00111


                     str_totext

[function] [call site] 00112


                     isc_region_consume

[function] [call site] 00113


                     RETERR

[function] [call site] 00114


                     str_totext

[function] [call site] 00115


                 isc_hex_totext

[function] [call site] 00116


                 str_totext

[function] [call site] 00117


               isc_buffer_usedlength

[function] [call site] 00118


               isc_buffer_usedlength

[function] [call site] 00119


               INSIST

[function] [call site] 00120


               isc_buffer_subtract

[function] [call site] 00121


                 REQUIRE

[function] [call site] 00122


                 ISC_BUFFER_VALID

[function] [call site] 00123


                 REQUIRE

[function] [call site] 00124


               unknown_totext

[function] [call site] 00125


           assert

[function] [call site] 00126


           isc_buffer_usedlength

[function] [call site] 00127


           isc_buffer_constinit

[function] [call site] 00128


           isc_buffer_usedlength

[function] [call site] 00129


           isc_buffer_add

[function] [call site] 00130


           isc_buffer_usedlength

[function] [call site] 00131


           CHECK

[function] [call site] 00132


           isc_lex_openbuffer

[function] [call site] 00133


             REQUIRE

[function] [call site] 00134


             VALID_LEX

[function] [call site] 00135


             snprintf

[function] [call site] 00136


             new_source

[function] [call site] 00137


               isc_mem_get

[function] [call site] 00138


               isc_mem_strdup

[function] [call site] 00139


               isc_buffer_allocate

[function] [call site] 00140


                 REQUIRE

[function] [call site] 00141


                 isc_mem_get

[function] [call site] 00142


                 isc_buffer_init

[function] [call site] 00143


                 isc_buffer_setmctx

[function] [call site] 00144


                   REQUIRE

[function] [call site] 00145


                   ISC_BUFFER_VALID

[function] [call site] 00146


               ISC_LIST_PREPEND

[function] [call site] 00147


           isc_buffer_init

[function] [call site] 00148


           dns_rdata_fromtext

[function] [call site] 00149


             REQUIRE

[function] [call site] 00150


             dns_name_isabsolute

[function] [call site] 00151


             REQUIRE

[function] [call site] 00152


             DNS_RDATA_INITIALIZED

[function] [call site] 00153


             REQUIRE

[function] [call site] 00154


             DNS_RDATA_VALIDFLAGS

[function] [call site] 00155


             REQUIRE

[function] [call site] 00156


             REQUIRE

[function] [call site] 00157


             isc_lex_getmastertoken

[function] [call site] 00158


               isc_lex_gettoken

[function] [call site] 00159


                 REQUIRE

[function] [call site] 00160


                 VALID_LEX

[function] [call site] 00161


                 ISC_LIST_HEAD

[function] [call site] 00162


                 REQUIRE

[function] [call site] 00163


                 isc_buffer_remaininglength

[function] [call site] 00164


                 isc_buffer_compact

[function] [call site] 00165


                   REQUIRE

[function] [call site] 00166


                   ISC_BUFFER_VALID

[function] [call site] 00167


                   isc_buffer_current

[function] [call site] 00168


                   isc_buffer_remaininglength

[function] [call site] 00169


                   memmove

[function] [call site] 00170


                 flockfile

[function] [call site] 00171


                 isc_buffer_remaininglength

[function] [call site] 00172


                 getc_unlocked

[function] [call site] 00173


                 getc

[function] [call site] 00174


                 ferror

[function] [call site] 00175


                 isc__errno2result

[function] [call site] 00176


                 pushandgrow

[function] [call site] 00177


                   isc_buffer_availablelength

[function] [call site] 00178


                   isc_buffer_length

[function] [call site] 00179


                   isc_buffer_allocate

[function] [call site] 00180


                   isc_buffer_usedregion

[function] [call site] 00181


                     REQUIRE

[function] [call site] 00182


                     ISC_BUFFER_VALID

[function] [call site] 00183


                     REQUIRE

[function] [call site] 00184


                   isc_buffer_copyregion

[function] [call site] 00185


                     REQUIRE

[function] [call site] 00186


                     ISC_BUFFER_VALID

[function] [call site] 00187


                     REQUIRE

[function] [call site] 00188


                     RETERR

[function] [call site] 00189


                     isc_buffer_reserve

[function] [call site] 00190


                     isc_buffer_availablelength

[function] [call site] 00191


                     memmove

[function] [call site] 00192


                     isc_buffer_used

[function] [call site] 00193


                   INSIST

[function] [call site] 00194


                   isc_buffer_free

[function] [call site] 00195


                     REQUIRE

[function] [call site] 00196


                     ISC_BUFFER_VALID

[function] [call site] 00197


                     REQUIRE

[function] [call site] 00198


                     isc_buffer_clearmctx

[function] [call site] 00199


                       REQUIRE

[function] [call site] 00200


                       ISC_BUFFER_VALID

[function] [call site] 00201


                       isc_mem_put

[function] [call site] 00202


                     isc_buffer_invalidate

[function] [call site] 00203


                       REQUIRE

[function] [call site] 00204


                       ISC_BUFFER_VALID

[function] [call site] 00205


                       REQUIRE

[function] [call site] 00206


                       ISC_LINK_LINKED

[function] [call site] 00207


                       REQUIRE

[function] [call site] 00208


                     isc_mem_put

[function] [call site] 00209


                   isc_buffer_putuint8

[function] [call site] 00210


                 isc_buffer_consumedlength

[function] [call site] 00211


                 isc_buffer_getuint8

[function] [call site] 00212


                   isc_buffer_peekuint8

[function] [call site] 00213


                     ISC_BUFFER_PEEK_CHECK

[function] [call site] 00214


                     isc_buffer_current

[function] [call site] 00215


                     SET_IF_NOT_NULL

[function] [call site] 00216


                   ENSURE

[function] [call site] 00217


                 isdigit

[function] [call site] 00218


                 pushback

[function] [call site] 00219


                   REQUIRE

[function] [call site] 00220


                 isdigit

[function] [call site] 00221


                 pushback

[function] [call site] 00222


                 isc_parse_uint32

[function] [call site] 00223


                   isalnum

[function] [call site] 00224


                   strtoul

[function] [call site] 00225


                 grow_data

[function] [call site] 00226


                   isc_mem_get

[function] [call site] 00227


                   memmove

[function] [call site] 00228


                   isc_mem_put

[function] [call site] 00229


                 INSIST

[function] [call site] 00230


                 grow_data

[function] [call site] 00231


                 INSIST

[function] [call site] 00232


                 pushback

[function] [call site] 00233


                 grow_data

[function] [call site] 00234


                 INSIST

[function] [call site] 00235


                 pushback

[function] [call site] 00236


                 INSIST

[function] [call site] 00237


                 pushback

[function] [call site] 00238


                 grow_data

[function] [call site] 00239


                 INSIST

[function] [call site] 00240


                 INSIST

[function] [call site] 00241


                 grow_data

[function] [call site] 00242


                 INSIST

[function] [call site] 00243


                 FATAL_ERROR

[function] [call site] 00244


                 funlockfile

[function] [call site] 00245


               isc_lex_ungettoken

[function] [call site] 00246


                 REQUIRE

[function] [call site] 00247


                 VALID_LEX

[function] [call site] 00248


                 ISC_LIST_HEAD

[function] [call site] 00249


                 REQUIRE

[function] [call site] 00250


                 REQUIRE

[function] [call site] 00251


                 REQUIRE

[function] [call site] 00252


                 isc_buffer_consumedlength

[function] [call site] 00253


                 UNUSED

[function] [call site] 00254


                 isc_buffer_first

[function] [call site] 00255


                   REQUIRE

[function] [call site] 00256


                   ISC_BUFFER_VALID

[function] [call site] 00257


               isc_lex_ungettoken

[function] [call site] 00258


             isc_lex_getsourcename

[function] [call site] 00259


               REQUIRE

[function] [call site] 00260


               VALID_LEX

[function] [call site] 00261


               ISC_LIST_HEAD

[function] [call site] 00262


             isc_lex_getsourceline

[function] [call site] 00263


               REQUIRE

[function] [call site] 00264


               VALID_LEX

[function] [call site] 00265


               ISC_LIST_HEAD

[function] [call site] 00266


             fromtext_error

[function] [call site] 00267


               isc_result_totext

[function] [call site] 00268


               isc_result_totext

[function] [call site] 00269


               isc_result_totext

[function] [call site] 00270


               DNS_AS_STR

[function] [call site] 00271


               isc_result_totext

[function] [call site] 00272


               isc_result_totext

[function] [call site] 00273


               isc_result_totext

[function] [call site] 00274


             strcmp

[function] [call site] 00275


             DNS_AS_STR

[function] [call site] 00276


             isc_lex_getmastertoken

[function] [call site] 00277


             isc_lex_ungettoken

[function] [call site] 00278


             unknown_fromtext

[function] [call site] 00279


               dns_rdatatype_ismeta

[function] [call site] 00280


               RETERR

[function] [call site] 00281


               isc_lex_getmastertoken

[function] [call site] 00282


               isc_buffer_allocate

[function] [call site] 00283


               CHECK

[function] [call site] 00284


               isc_hex_tobuffer

[function] [call site] 00285


                 REQUIRE

[function] [call site] 00286


                 isc_hex_decodeinit

[function] [call site] 00287


                 isc_buffer_usedlength

[function] [call site] 00288


                 RETERR

[function] [call site] 00289


                 isc_lex_getmastertoken

[function] [call site] 00290


                 RETERR

[function] [call site] 00291


                 isc_hex_decodechar

[function] [call site] 00292


                   isc_hex_char

[function] [call site] 00293


                   RETERR

[function] [call site] 00294


                   mem_tobuffer

[function] [call site] 00295


                     isc_buffer_availableregion

[function] [call site] 00296


                     memmove

[function] [call site] 00297


                     isc_buffer_add

[function] [call site] 00298


                 isc_buffer_usedlength

[function] [call site] 00299


                 isc_lex_ungettoken

[function] [call site] 00300


                 RETERR

[function] [call site] 00301


                 isc_hex_decodefinish

[function] [call site] 00302


               isc_buffer_usedlength

[function] [call site] 00303


               CLEANUP

[function] [call site] 00304


               dns_rdatatype_isknown

[function] [call site] 00305


                 dns_rdatatype_attributes

[function] [call site] 00306


               rdata_validate

[function] [call site] 00307


                 isc_buffer_setactive

[function] [call site] 00308


                 isc_buffer_usedlength

[function] [call site] 00309


                 dns_rdata_fromwire

[function] [call site] 00310


               isc_buffer_usedregion

[function] [call site] 00311


               isc_buffer_copyregion

[function] [call site] 00312


               CHECK

[function] [call site] 00313


               isc_buffer_free

[function] [call site] 00314


               isc_buffer_free

[function] [call site] 00315


             isc_lex_ungettoken

[function] [call site] 00316


             isc_lex_getsourcename

[function] [call site] 00317


             isc_lex_getsourceline

[function] [call site] 00318


             isc_lex_gettoken

[function] [call site] 00319


             fromtext_error

[function] [call site] 00320


             fromtext_error

[function] [call site] 00321


             fromtext_error

[function] [call site] 00322


             fromtext_warneof

[function] [call site] 00323


               isc_lex_isfile

[function] [call site] 00324


                 REQUIRE

[function] [call site] 00325


                 VALID_LEX

[function] [call site] 00326


                 ISC_LIST_HEAD

[function] [call site] 00327


               isc_lex_getsourcename

[function] [call site] 00328


               isc_lex_getsourceline

[function] [call site] 00329


             isc_buffer_usedlength

[function] [call site] 00330


             isc_buffer_usedlength

[function] [call site] 00331


             isc_buffer_used

[function] [call site] 00332


             dns_rdata_fromregion

[function] [call site] 00333


           fprintf

[function] [call site] 00334


           assert

[function] [call site] 00335


           assert

[function] [call site] 00336


           assert

[function] [call site] 00337


           memcmp

[function] [call site] 00338


           isc_buffer_init

[function] [call site] 00339


           dns_master_styleflags

[function] [call site] 00340


             REQUIRE

[function] [call site] 00341


           dns_rdata_tofmttext

[function] [call site] 00342


             REQUIRE

[function] [call site] 00343


             DNS_RDATA_VALIDFLAGS

[function] [call site] 00344


             rdata_totext

[function] [call site] 00345


           assert

[function] [call site] 00346


           isc_buffer_constinit

[function] [call site] 00347


           isc_buffer_usedlength

[function] [call site] 00348


           isc_buffer_add

[function] [call site] 00349


           isc_buffer_usedlength

[function] [call site] 00350


           CHECK

[function] [call site] 00351


           isc_lex_openbuffer

[function] [call site] 00352


           isc_buffer_init

[function] [call site] 00353


           dns_rdata_fromtext

[function] [call site] 00354


           assert

[function] [call site] 00355


           assert

[function] [call site] 00356


           assert

[function] [call site] 00357


           memcmp

[function] [call site] 00358


           dns_compress_init

[function] [call site] 00359


             REQUIRE

[function] [call site] 00360


             REQUIRE

[function] [call site] 00361


             isc_mem_callocate

[function] [call site] 00362


             ARRAY_SIZE

[function] [call site] 00363


           isc_buffer_init

[function] [call site] 00364


           dns_rdata_towire

[function] [call site] 00365


             REQUIRE

[function] [call site] 00366


             REQUIRE

[function] [call site] 00367


             DNS_RDATA_VALIDFLAGS

[function] [call site] 00368


             INSIST

[function] [call site] 00369


             isc_buffer_availableregion

[function] [call site] 00370


             memmove

[function] [call site] 00371


             isc_buffer_add

[function] [call site] 00372


             dns_compress_rollback

[function] [call site] 00373


               REQUIRE

[function] [call site] 00374


               CCTX_VALID

[function] [call site] 00375


               slot_index

[function] [call site] 00376


               probe_distance

[function] [call site] 00377


               slot_index

[function] [call site] 00378


           dns_compress_invalidate

[function] [call site] 00379


             REQUIRE

[function] [call site] 00380


             CCTX_VALID

[function] [call site] 00381


             isc_mem_free

[function] [call site] 00382


           assert

[function] [call site] 00383


           assert

[function] [call site] 00384


           assert

[function] [call site] 00385


           memcmp

[function] [call site] 00386