Fuzz introspector: fuzz_ds_kdtree
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
14 7 LLVMFuzzerTestOneInput call site: 00007 malloc
1 23 LLVMFuzzerTestOneInput call site: 00023
1 80 kd_nearest call site: 00080 kd_res_free
1 86 LLVMFuzzerTestOneInput call site: 00086 printf
1 100 clear_rec call site: 00100

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 FuzzedDataProvider::remaining_bytes [function] [call site] 00001
1 fuzz_set_alloc_callbacks_and_seed [function] [call site] 00002
2 fuzz_set_alloc_callbacks [function] [call site] 00003
3 ndpi_set_memory_alloction_functions [function] [call site] 00004
2 fuzz_set_alloc_seed [function] [call site] 00005
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00006
1 ndpi_malloc [function] [call site] 00007
2 malloc [function] [call site] 00008
3 nalloc_fail [function] [call site] 00009
4 __sync_fetch_and_add [function] [call site] 00010
4 __sync_fetch_and_sub [function] [call site] 00011
4 nalloc_random_update [function] [call site] 00012
4 nalloc_random_update [function] [call site] 00013
4 nalloc_random_update [function] [call site] 00014
4 nalloc_backtrace_exclude [function] [call site] 00015
5 __sanitizer_print_stack_trace [function] [call site] 00017
4 __sync_fetch_and_sub [function] [call site] 00018
4 __sync_fetch_and_sub [function] [call site] 00019
4 __sync_fetch_and_sub [function] [call site] 00020
3 nalloc_malloc [function] [call site] 00021
1 ndpi_malloc [function] [call site] 00022
1 ndpi_free [function] [call site] 00025
1 ndpi_kd_create [function] [call site] 00026
2 kd_create [function] [call site] 00027
3 ndpi_malloc [function] [call site] 00028
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00029
1 FuzzedDataProvider::ConsumeFloatingPoint [function] [call site] 00030
1 ndpi_kd_insert [function] [call site] 00031
2 kd_insert [function] [call site] 00032
3 insert_rec [function] [call site] 00033
4 ndpi_malloc [function] [call site] 00034
4 ndpi_malloc [function] [call site] 00035
4 ndpi_free [function] [call site] 00036
4 insert_rec [function] [call site] 00038
4 insert_rec [function] [call site] 00039
3 hyperrect_create [function] [call site] 00040
3 hyperrect_extend [function] [call site] 00049
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00050
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00051
1 FuzzedDataProvider::ConsumeFloatingPoint [function] [call site] 00052
1 ndpi_kd_nearest [function] [call site] 00053
2 kd_nearest [function] [call site] 00054
3 ndpi_malloc [function] [call site] 00055
3 alloc_resnode [function] [call site] 00056
3 ndpi_free [function] [call site] 00057
3 hyperrect_duplicate [function] [call site] 00058
4 hyperrect_create [function] [call site] 00059
3 kd_res_free [function] [call site] 00060
4 clear_results [function] [call site] 00061
5 free_resnode [function] [call site] 00062
4 free_resnode [function] [call site] 00063
4 ndpi_free [function] [call site] 00064
3 hyperrect_free [function] [call site] 00073
3 rlist_insert [function] [call site] 00077
4 alloc_resnode [function] [call site] 00078
3 kd_res_free [function] [call site] 00079
3 kd_res_rewind [function] [call site] 00080
3 kd_res_free [function] [call site] 00081
1 ndpi_kd_num_results [function] [call site] 00082
2 kd_res_size [function] [call site] 00083
1 ndpi_kd_result_get_item [function] [call site] 00084
2 kd_res_item [function] [call site] 00085
1 ndpi_kd_distance [function] [call site] 00086
1 ndpi_kd_result_free [function] [call site] 00088
2 kd_res_free [function] [call site] 00089
1 ndpi_kd_nearest [function] [call site] 00090
1 ndpi_kd_num_results [function] [call site] 00091
1 ndpi_kd_result_get_item [function] [call site] 00092
1 ndpi_kd_result_free [function] [call site] 00093
1 ndpi_free [function] [call site] 00094
1 ndpi_free [function] [call site] 00095