Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
252	0	EP	call site: 00000	ext2fs_open

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           open

[call site] 00001


           write

[call site] 00002


           close

[call site] 00003


           ext2fs_open

[function] [call site] 00004


             ext2fs_open2

[function] [call site] 00005


               ext2fs_get_mem

[function] [call site] 00006


               ext2fs_safe_getenv

[function] [call site] 00007


                 getuid

[call site] 00008


                 geteuid

[call site] 00009


                 getgid

[call site] 00010


                 getegid

[call site] 00011


                 prctl

[call site] 00012


                 secure_getenv

[call site] 00013


               __isoc23_strtoul

[call site] 00014


               ext2fs_safe_getenv

[function] [call site] 00015


               __isoc23_strtoul

[call site] 00016


               strlen

[call site] 00017


               ext2fs_get_mem

[function] [call site] 00018


               strcpy

[call site] 00019


               strchr

[call site] 00020


               io_channel_set_options

[function] [call site] 00021


                 strlen

[call site] 00022


                 strcpy

[call site] 00023


                 strchr

[call site] 00024


                 strchr

[call site] 00025


               io_channel_alloc_buf

[function] [call site] 00026


                 ext2fs_get_memalign

[function] [call site] 00027


                   posix_memalign

[call site] 00028


                 ext2fs_get_mem

[function] [call site] 00029


               ext2fs_get_mem

[function] [call site] 00030


               ext2fs_get_mem

[function] [call site] 00031


               ext2fs_verify_csum_type

[function] [call site] 00032


                 ext2fs_has_feature_metadata_csum

[function] [call site] 00033


               ext2fs_superblock_csum_verify

[function] [call site] 00034


                 ext2fs_superblock_csum

[function] [call site] 00035


                   ext2fs_crc32c_le

[function] [call site] 00036


                     crc32_le_generic

[function] [call site] 00037


                       crc32_body

[function] [call site] 00038


               ext2fs_has_feature_journal_dev

[function] [call site] 00039


               ext2fs_has_feature_bigalloc

[function] [call site] 00040


               ext2fs_has_feature_bigalloc

[function] [call site] 00041


               ext2fs_has_feature_64bit

[function] [call site] 00042


               ext2fs_has_feature_journal_dev

[function] [call site] 00043


               ext2fs_init_csum_seed

[function] [call site] 00044


                 ext2fs_has_feature_csum_seed

[function] [call site] 00045


                 ext2fs_has_feature_metadata_csum

[function] [call site] 00046


                 ext2fs_has_feature_ea_inode

[function] [call site] 00047


                 ext2fs_crc32c_le

[function] [call site] 00048


               ext2fs_has_feature_64bit

[function] [call site] 00049


               ext2fs_blocks_count

[function] [call site] 00050


                 ext2fs_has_feature_64bit

[function] [call site] 00051


               ext2fs_blocks_count

[function] [call site] 00052


               ext2fs_div64_ceil

[function] [call site] 00053


               ext2fs_has_feature_64bit

[function] [call site] 00054


               ext2fs_div_ceil

[function] [call site] 00055


               ext2fs_has_feature_meta_bg

[function] [call site] 00056


               ext2fs_get_array

[function] [call site] 00057


                 ext2fs_get_mem

[function] [call site] 00058


               ext2fs_has_feature_meta_bg

[function] [call site] 00059


               ext2fs_descriptor_block_loc2

[function] [call site] 00060


                 ext2fs_has_feature_meta_bg

[function] [call site] 00061


                 ext2fs_has_feature_64bit

[function] [call site] 00062


                 ext2fs_bg_has_super

[function] [call site] 00063


                   ext2fs_has_feature_sparse_super2

[function] [call site] 00064


                   ext2fs_has_feature_sparse_super

[function] [call site] 00065


                   test_root

[function] [call site] 00066


                   test_root

[function] [call site] 00067


                 ext2fs_group_first_block2

[function] [call site] 00068


                 ext2fs_blocks_count

[function] [call site] 00069


                 ext2fs_bg_has_super

[function] [call site] 00070


               io_channel_cache_readahead

[function] [call site] 00071


               ext2fs_descriptor_block_loc2

[function] [call site] 00072


               io_channel_read_blk64

[function] [call site] 00073


               ext2fs_has_group_desc_csum

[function] [call site] 00074


                 ext2fs_has_feature_metadata_csum

[function] [call site] 00075


                 ext2fs_has_feature_gdt_csum

[function] [call site] 00076


               ext2fs_bg_flags_clear

[function] [call site] 00077


                 ext4fs_group_desc

[function] [call site] 00078


                   ext2fs_group_desc

[function] [call site] 00079


                     ext2fs_has_feature_64bit

[function] [call site] 00080


                     ext2fs_has_feature_64bit

[function] [call site] 00081


                     ext2fs_free_mem

[function] [call site] 00082


                     ext2fs_get_mem

[function] [call site] 00083


                     ext2fs_descriptor_block_loc2

[function] [call site] 00084


               ext2fs_bg_flags_clear

[function] [call site] 00085


               ext2fs_bg_itable_unused_set

[function] [call site] 00086


                 ext4fs_group_desc

[function] [call site] 00087


                 ext2fs_has_feature_64bit

[function] [call site] 00088


               ext2fs_group_desc_csum_set

[function] [call site] 00089


                 ext2fs_has_group_desc_csum

[function] [call site] 00090


                 ext2fs_group_desc_csum

[function] [call site] 00091


                   ext2fs_group_desc

[function] [call site] 00092


                   ext2fs_has_feature_64bit

[function] [call site] 00093


                   ext2fs_has_feature_metadata_csum

[function] [call site] 00094


                   ext2fs_crc32c_le

[function] [call site] 00095


                   ext2fs_crc32c_le

[function] [call site] 00096


                   ext2fs_crc16

[function] [call site] 00097


                   ext2fs_crc16

[function] [call site] 00098


                   ext2fs_crc16

[function] [call site] 00099


                   ext2fs_crc16

[function] [call site] 00100


                 ext2fs_bg_checksum_set

[function] [call site] 00101


                   ext4fs_group_desc

[function] [call site] 00102


               ext2fs_mark_super_dirty

[function] [call site] 00103


               ext2fs_has_feature_mmp

[function] [call site] 00104


               ext2fs_mmp_start

[function] [call site] 00105


                 ext2fs_get_mem

[function] [call site] 00106


                 ext2fs_mmp_read

[function] [call site] 00107


                   ext2fs_blocks_count

[function] [call site] 00108


                   stat

[call site] 00109


                   open

[call site] 00110


                   ext2fs_get_dio_alignment

[function] [call site] 00111


                     ioctl

[call site] 00112


                     sysconf

[call site] 00113


                   ext2fs_get_memalign

[function] [call site] 00114


                   ext2fs_llseek

[function] [call site] 00115


                     my_llseek

[function] [call site] 00116


                       lseek

[call site] 00117


                     __errno_location

[call site] 00118


                     lseek

[call site] 00119


                     __errno_location

[call site] 00120


                   read

[call site] 00121


                   ext2fs_mmp_csum_verify

[function] [call site] 00122


                     ext2fs_has_feature_metadata_csum

[function] [call site] 00123


                     ext2fs_mmp_csum

[function] [call site] 00124


                       ext2fs_crc32c_le

[function] [call site] 00125


                 sleep

[call site] 00126


                 ext2fs_mmp_read

[function] [call site] 00127


                 ext2fs_mmp_new_seq

[function] [call site] 00128


                   getpid

[call site] 00129


                   gettimeofday

[call site] 00130


                   getuid

[call site] 00131


                   srandom

[call site] 00132


                   gettimeofday

[call site] 00133


                   random

[call site] 00134


                   random

[call site] 00135


                 gethostname

[call site] 00136


                 strncpy

[call site] 00137


                 ext2fs_mmp_write

[function] [call site] 00138


                   gettimeofday

[call site] 00139


                   ext2fs_blocks_count

[function] [call site] 00140


                   ext2fs_mmp_csum_set

[function] [call site] 00141


                     ext2fs_has_feature_metadata_csum

[function] [call site] 00142


                     ext2fs_mmp_csum

[function] [call site] 00143


                   io_channel_write_blk64

[function] [call site] 00144


                 sleep

[call site] 00145


                 ext2fs_mmp_read

[function] [call site] 00146


                 ext2fs_mmp_write

[function] [call site] 00147


               ext2fs_mmp_stop

[function] [call site] 00148


                 ext2fs_has_feature_mmp

[function] [call site] 00149


                 ext2fs_mmp_read

[function] [call site] 00150


                 memcmp

[call site] 00151


                 ext2fs_mmp_write

[function] [call site] 00152


                 close

[call site] 00153


               ext2fs_hashmap_create

[function] [call site] 00154


                 calloc

[call site] 00155


               ext2fs_djb2_hash

[function] [call site] 00156


               block_sha_map_free_entry

[function] [call site] 00157


               ext2fs_set_feature_shared_blocks

[function] [call site] 00158


               ext2fs_has_feature_casefold

[function] [call site] 00159


               ext2fs_load_nls_table

[function] [call site] 00160


               ext2fs_free

[function] [call site] 00161


                 ext2fs_free_mem

[function] [call site] 00162


                 ext2fs_free_mem

[function] [call site] 00163


                 ext2fs_free_mem

[function] [call site] 00164


                 ext2fs_free_mem

[function] [call site] 00165


                 ext2fs_free_block_bitmap

[function] [call site] 00166


                   ext2fs_free_generic_bmap

[function] [call site] 00167


                     ext2fs_free_generic_bitmap

[function] [call site] 00168


                       check_magic

[function] [call site] 00169


                       ext2fs_free_mem

[function] [call site] 00170


                       ext2fs_free_mem

[function] [call site] 00171


                       ext2fs_free_mem

[function] [call site] 00172


                     ext2fs_safe_getenv

[function] [call site] 00173


                     ext2fs_print_bmap_statistics

[function] [call site] 00174


                       fprintf

[call site] 00175


                       fprintf

[call site] 00176


                     ext2fs_free_mem

[function] [call site] 00177


                     ext2fs_free_mem

[function] [call site] 00178


                 ext2fs_free_inode_bitmap

[function] [call site] 00179


                   ext2fs_free_generic_bmap

[function] [call site] 00180


                 ext2fs_free_mem

[function] [call site] 00181


                 ext2fs_badblocks_list_free

[function] [call site] 00182


                   ext2fs_u32_list_free

[function] [call site] 00183


                     ext2fs_free_mem

[function] [call site] 00184


                     ext2fs_free_mem

[function] [call site] 00185


                 ext2fs_free_dblist

[function] [call site] 00186


                   ext2fs_free_mem

[function] [call site] 00187


                   ext2fs_free_mem

[function] [call site] 00188


                 ext2fs_free_inode_cache

[function] [call site] 00189


                   ext2fs_free_mem

[function] [call site] 00190


                   ext2fs_free_mem

[function] [call site] 00191


                   ext2fs_free_mem

[function] [call site] 00192


                   ext2fs_free_mem

[function] [call site] 00193


                 ext2fs_free_mem

[function] [call site] 00194


                 ext2fs_free_mem

[function] [call site] 00195


                 ext2fs_hashmap_free

[function] [call site] 00196


                 ext2fs_zero_blocks2

[function] [call site] 00197


                   io_channel_zeroout

[function] [call site] 00198


                   realloc

[call site] 00199


                   io_channel_write_blk64

[function] [call site] 00200


                 ext2fs_free_mem

[function] [call site] 00201


           ext2fs_check_directory

[function] [call site] 00202


             ext2fs_read_inode

[function] [call site] 00203


               ext2fs_read_inode2

[function] [call site] 00204


                 ext2fs_has_feature_journal_dev

[function] [call site] 00205


                 ext2fs_create_inode_cache

[function] [call site] 00206


                   ext2fs_get_mem

[function] [call site] 00207


                   ext2fs_get_mem

[function] [call site] 00208


                   ext2fs_get_array

[function] [call site] 00209


                   ext2fs_get_mem

[function] [call site] 00210


                   ext2fs_flush_icache

[function] [call site] 00211


                   ext2fs_free_inode_cache

[function] [call site] 00212


                 ext2fs_inode_table_loc

[function] [call site] 00213


                   ext4fs_group_desc

[function] [call site] 00214


                   ext2fs_has_feature_64bit

[function] [call site] 00215


                 ext2fs_blocks_count

[function] [call site] 00216


                 io_channel_read_blk64

[function] [call site] 00217


                 ext2fs_inode_csum_verify

[function] [call site] 00218


                   ext2fs_has_feature_metadata_csum

[function] [call site] 00219


                   ext2fs_inode_csum

[function] [call site] 00220


                     ext2fs_crc32c_le

[function] [call site] 00221


                     ext2fs_crc32c_le

[function] [call site] 00222


                     ext2fs_crc32c_le

[function] [call site] 00223


           ext2fs_close

[function] [call site] 00224


             ext2fs_close2

[function] [call site] 00225


               ext2fs_flush2

[function] [call site] 00226


                 ext2fs_has_feature_journal_dev

[function] [call site] 00227


                 ext2fsP_get_time

[function] [call site] 00228


                   time

[call site] 00229


                 __sb_set_tstamp

[function] [call site] 00230


                 ext2fs_clear_feature_journal_needs_recovery

[function] [call site] 00231


                 ext2fs_has_feature_journal_dev

[function] [call site] 00232


                 ext2fs_has_feature_meta_bg

[function] [call site] 00233


                 ext2fs_super_and_bgd_loc2

[function] [call site] 00234


                   ext2fs_group_first_block2

[function] [call site] 00235


                   ext2fs_has_feature_meta_bg

[function] [call site] 00236


                   ext2fs_bg_has_super

[function] [call site] 00237


                   ext2fs_has_feature_64bit

[function] [call site] 00238


                   ext2fs_has_feature_meta_bg

[function] [call site] 00239


                 write_backup_super

[function] [call site] 00240


                   ext2fs_superblock_csum_set

[function] [call site] 00241


                     ext2fs_superblock_csum

[function] [call site] 00242


                   io_channel_write_blk64

[function] [call site] 00243


                 io_channel_write_blk64

[function] [call site] 00244


                 ext2fs_has_feature_64bit

[function] [call site] 00245


                 io_channel_write_blk64

[function] [call site] 00246


                 ext2fs_superblock_csum_set

[function] [call site] 00247


                 write_primary_superblock

[function] [call site] 00248


                   io_channel_write_blk64

[function] [call site] 00249


                   io_channel_write_byte

[function] [call site] 00250


               ext2fs_mmp_stop

[function] [call site] 00251


               ext2fs_free

[function] [call site] 00252