Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
67	154	evbuffer_remove	call site: 00154	evtag_unmarshal
28	124	evbuffer_free	call site: 00124	evtag_unmarshal_string
10	42	event_del_nolock_	call site: 00042	event_queue_remove_timeout
10	58	event_del_nolock_	call site: 00058	event_errx
10	112	LLVMFuzzerTestOneInput	call site: 00112	evtag_unmarshal
6	77	evbuffer_add	call site: 00077	event_deferred_cb_schedule_
6	232	evbuffer_add_buffer	call site: 00232	evtag_unmarshal
4	36	evbuffer_decref_and_unlock_	call site: 00036	event_deferred_cb_cancel_
4	84	event_callback_activate_nolock_	call site: 00084	evbuffer_run_callbacks
4	102	LLVMFuzzerTestOneInput	call site: 00102	decode_tag_internal
3	89	LLVMFuzzerTestOneInput	call site: 00089	decode_tag_internal
2	31	evbuffer_file_segment_free	call site: 00031	evbuffer_chain_free

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           evbuffer_new

[function] [call site] 00001


             event_mm_calloc_

[function] [call site] 00002


               calloc

[call site] 00003


               __errno_location

[call site] 00004


           evbuffer_add

[function] [call site] 00005


             evbuffer_chain_insert_new

[function] [call site] 00006


               evbuffer_chain_new_membuf

[function] [call site] 00007


                 evbuffer_chain_new

[function] [call site] 00008


                   event_mm_malloc_

[function] [call site] 00009


               evbuffer_chain_insert

[function] [call site] 00010


                 evbuffer_free_trailing_empty_chains

[function] [call site] 00011


                   evbuffer_free_all_chains

[function] [call site] 00012


                     evbuffer_chain_free

[function] [call site] 00013


                       evbuffer_file_segment_free

[function] [call site] 00014


                         get_page_size

[function] [call site] 00015


                           sysconf

[call site] 00016


                         munmap

[call site] 00017


                         event_warn

[function] [call site] 00018


                           __errno_location

[call site] 00019


                           strerror

[call site] 00020


                           event_logv_

[function] [call site] 00021


                             evutil_vsnprintf

[function] [call site] 00022


                               vsnprintf

[call site] 00023


                             strlen

[call site] 00024


                             evutil_snprintf

[function] [call site] 00025


                               evutil_vsnprintf

[function] [call site] 00026


                             event_log

[function] [call site] 00027


                               fprintf

[call site] 00028


                         event_mm_free_

[function] [call site] 00029


                         close

[call site] 00030


                         event_mm_free_

[function] [call site] 00031


                       evbuffer_chain_free

[function] [call site] 00032


                         evbuffer_decref_and_unlock_

[function] [call site] 00033


                           evbuffer_chain_free

[function] [call site] 00034


                             event_mm_free_

[function] [call site] 00035


                           evbuffer_remove_all_callbacks

[function] [call site] 00036


                             event_mm_free_

[function] [call site] 00037


                           event_deferred_cb_cancel_

[function] [call site] 00038


                             event_callback_cancel_

[function] [call site] 00039


                               event_callback_cancel_nolock_

[function] [call site] 00040


                                 event_del_nolock_

[function] [call site] 00041


                                   event_debugx_

[function] [call site] 00042


                                     event_logv_

[function] [call site] 00043


                                   min_heap_top_

[function] [call site] 00044


                                   event_queue_remove_timeout

[function] [call site] 00045


                                     is_common_timeout

[function] [call site] 00046


                                     get_common_timeout_list

[function] [call site] 00047


                                     min_heap_erase_

[function] [call site] 00048


                                       min_heap_shift_up_unconditional_

[function] [call site] 00049


                                       min_heap_shift_down_

[function] [call site] 00050


                                   event_queue_remove_active

[function] [call site] 00051


                                   event_queue_remove_active_later

[function] [call site] 00052


                                   event_queue_remove_inserted

[function] [call site] 00053


                                   evmap_io_del_

[function] [call site] 00054


                                   evmap_signal_del_

[function] [call site] 00055


                                   event_haveevents

[function] [call site] 00056


                                   evthread_notify_base

[function] [call site] 00057


                                   event_debug_note_del_

[function] [call site] 00058


                                     event_debug_map_HT_FIND

[function] [call site] 00059


                                       event_debug_map_HT_FIND_P_

[function] [call site] 00060


                                         hash_debug_entry

[function] [call site] 00061


                                         eq_debug_entry

[function] [call site] 00062


                                     event_errx

[function] [call site] 00063


                                       event_logv_

[function] [call site] 00064


                                       event_exit

[function] [call site] 00065


                                         exit

[call site] 00066


                                         abort

[call site] 00067


                                         exit

[call site] 00068


                                     event_debug_mode_too_late_set

[function] [call site] 00069


                                 event_queue_remove_active

[function] [call site] 00070


                                 event_queue_remove_active_later

[function] [call site] 00071


                           event_mm_free_

[function] [call site] 00072


             evbuffer_chain_should_realign

[function] [call site] 00073


             evbuffer_chain_align

[function] [call site] 00074


             evbuffer_chain_new_membuf

[function] [call site] 00075


             evbuffer_chain_insert

[function] [call site] 00076


             evbuffer_invoke_callbacks_

[function] [call site] 00077


               event_deferred_cb_schedule_

[function] [call site] 00078


                 event_callback_activate_later_nolock_

[function] [call site] 00079


                   event_queue_insert_active_later

[function] [call site] 00080


                   evthread_notify_base

[function] [call site] 00081


                 event_callback_activate_nolock_

[function] [call site] 00082


                   event_queue_remove_active_later

[function] [call site] 00083


                   event_queue_insert_active

[function] [call site] 00084


                   evthread_notify_base

[function] [call site] 00085


               evbuffer_incref_and_lock_

[function] [call site] 00086


               bufferevent_incref

[function] [call site] 00087


               evbuffer_run_callbacks

[function] [call site] 00088


           evtag_peek

[function] [call site] 00089


             decode_tag_internal

[function] [call site] 00090


               evbuffer_get_length

[function] [call site] 00091


               evbuffer_pullup

[function] [call site] 00092


                 evbuffer_chain_new_membuf

[function] [call site] 00093


                 event_warn

[function] [call site] 00094


                 evbuffer_chain_free

[function] [call site] 00095


               evbuffer_drain

[function] [call site] 00096


                 HAS_PINNED_R

[function] [call site] 00097


                 evbuffer_chain_free

[function] [call site] 00098


                 ZERO_CHAIN

[function] [call site] 00099


                 evbuffer_chain_free

[function] [call site] 00100


                 evbuffer_invoke_callbacks_

[function] [call site] 00101


           evtag_peek_length

[function] [call site] 00102


             decode_tag_internal

[function] [call site] 00103


             decode_int_internal

[function] [call site] 00104


               evbuffer_get_length

[function] [call site] 00105


               evbuffer_pullup

[function] [call site] 00106


           evtag_payload_length

[function] [call site] 00107


             decode_tag_internal

[function] [call site] 00108


             decode_int_internal

[function] [call site] 00109


           evbuffer_new

[function] [call site] 00110


           evbuffer_new

[function] [call site] 00111


           evbuffer_add

[function] [call site] 00112


           evtag_unmarshal

[function] [call site] 00113


             evtag_unmarshal_header

[function] [call site] 00114


               decode_tag_internal

[function] [call site] 00115


               evtag_decode_int

[function] [call site] 00116


                 decode_int_internal

[function] [call site] 00117


                 evbuffer_drain

[function] [call site] 00118


               evbuffer_get_length

[function] [call site] 00119


             evbuffer_pullup

[function] [call site] 00120


             evbuffer_add

[function] [call site] 00121


             evbuffer_drain

[function] [call site] 00122


           evbuffer_free

[function] [call site] 00123


             evbuffer_decref_and_unlock_

[function] [call site] 00124


           evbuffer_free

[function] [call site] 00125


           evbuffer_new

[function] [call site] 00126


           evbuffer_add

[function] [call site] 00127


           evtag_unmarshal_int

[function] [call site] 00128


             decode_tag_internal

[function] [call site] 00129


             evtag_decode_int

[function] [call site] 00130


             evbuffer_get_length

[function] [call site] 00131


             decode_int_internal

[function] [call site] 00132


             evbuffer_drain

[function] [call site] 00133


           evbuffer_free

[function] [call site] 00134


           evbuffer_new

[function] [call site] 00135


           evbuffer_add

[function] [call site] 00136


           evtag_unmarshal_int64

[function] [call site] 00137


             decode_tag_internal

[function] [call site] 00138


             evtag_decode_int

[function] [call site] 00139


             evbuffer_get_length

[function] [call site] 00140


             decode_int64_internal

[function] [call site] 00141


               evbuffer_get_length

[function] [call site] 00142


               evbuffer_pullup

[function] [call site] 00143


             evbuffer_drain

[function] [call site] 00144


           evbuffer_free

[function] [call site] 00145


           evbuffer_new

[function] [call site] 00146


           evbuffer_add

[function] [call site] 00147


           evtag_unmarshal_string

[function] [call site] 00148


             evtag_unmarshal_header

[function] [call site] 00149


             event_mm_malloc_

[function] [call site] 00150


             event_warn

[function] [call site] 00151


             evbuffer_remove

[function] [call site] 00152


               evbuffer_copyout_from

[function] [call site] 00153


               evbuffer_drain

[function] [call site] 00154


           evbuffer_free

[function] [call site] 00155


           evbuffer_new

[function] [call site] 00156


           evbuffer_add

[function] [call site] 00157


           evtag_unmarshal_timeval

[function] [call site] 00158


             evtag_unmarshal_header

[function] [call site] 00159


             decode_int_internal

[function] [call site] 00160


             decode_int_internal

[function] [call site] 00161


             evbuffer_drain

[function] [call site] 00162


           evbuffer_free

[function] [call site] 00163


           evbuffer_new

[function] [call site] 00164


           evbuffer_add

[function] [call site] 00165


           evtag_unmarshal_fixed

[function] [call site] 00166


             evtag_unmarshal_header

[function] [call site] 00167


             evbuffer_remove

[function] [call site] 00168


           evbuffer_free

[function] [call site] 00169


           evbuffer_new

[function] [call site] 00170


           evbuffer_add

[function] [call site] 00171


           evtag_consume

[function] [call site] 00172


             evtag_unmarshal_header

[function] [call site] 00173


             evbuffer_drain

[function] [call site] 00174


           evbuffer_free

[function] [call site] 00175


           evbuffer_new

[function] [call site] 00176


           evbuffer_add

[function] [call site] 00177


           evtag_unmarshal_header

[function] [call site] 00178


           evbuffer_free

[function] [call site] 00179


           evbuffer_new

[function] [call site] 00180


           evtag_marshal

[function] [call site] 00181


             evtag_encode_tag

[function] [call site] 00182


               evbuffer_add

[function] [call site] 00183


             evtag_encode_int

[function] [call site] 00184


               encode_int_internal

[function] [call site] 00185


               evbuffer_add

[function] [call site] 00186


             evbuffer_add

[function] [call site] 00187


           evbuffer_new

[function] [call site] 00188


           evtag_unmarshal

[function] [call site] 00189


           evbuffer_free

[function] [call site] 00190


           evbuffer_free

[function] [call site] 00191


           evbuffer_new

[function] [call site] 00192


           evtag_marshal_string

[function] [call site] 00193


             strlen

[call site] 00194


             evtag_marshal

[function] [call site] 00195


           evtag_unmarshal_string

[function] [call site] 00196


           evbuffer_free

[function] [call site] 00197


           evbuffer_new

[function] [call site] 00198


           evtag_marshal_int

[function] [call site] 00199


             encode_int_internal

[function] [call site] 00200


             evtag_encode_tag

[function] [call site] 00201


             evtag_encode_int

[function] [call site] 00202


             evbuffer_add

[function] [call site] 00203


           evtag_unmarshal_int

[function] [call site] 00204


           evbuffer_free

[function] [call site] 00205


           evbuffer_new

[function] [call site] 00206


           evtag_marshal_int64

[function] [call site] 00207


             encode_int64_internal

[function] [call site] 00208


             evtag_encode_tag

[function] [call site] 00209


             evtag_encode_int

[function] [call site] 00210


             evbuffer_add

[function] [call site] 00211


           evtag_unmarshal_int64

[function] [call site] 00212


           evbuffer_free

[function] [call site] 00213


           evbuffer_new

[function] [call site] 00214


           evbuffer_new

[function] [call site] 00215


           evbuffer_add

[function] [call site] 00216


           evtag_marshal_buffer

[function] [call site] 00217


             evtag_encode_tag

[function] [call site] 00218


             evbuffer_get_length

[function] [call site] 00219


             evtag_encode_int

[function] [call site] 00220


             evbuffer_add_buffer

[function] [call site] 00221


               PRESERVE_PINNED

[function] [call site] 00222


                 HAS_PINNED_R

[function] [call site] 00223


                 evbuffer_chain_new_membuf

[function] [call site] 00224


               evbuffer_free_all_chains

[function] [call site] 00225


               COPY_CHAIN

[function] [call site] 00226


               APPEND_CHAIN

[function] [call site] 00227


                 evbuffer_free_trailing_empty_chains

[function] [call site] 00228


               RESTORE_PINNED

[function] [call site] 00229


                 ZERO_CHAIN

[function] [call site] 00230


               evbuffer_invoke_callbacks_

[function] [call site] 00231


               evbuffer_invoke_callbacks_

[function] [call site] 00232


           evbuffer_new

[function] [call site] 00233


           evtag_unmarshal

[function] [call site] 00234


           evbuffer_free

[function] [call site] 00235


           evbuffer_free

[function] [call site] 00236


           evbuffer_free

[function] [call site] 00237


           evbuffer_free

[function] [call site] 00238