Fuzz introspector: fuzz_libunwind.c
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
90 0 EP call site: 00000 dispatch

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 dispatch [function] [call site] 00001
2 recurse1 [function] [call site] 00002
3 get_proc_name [function] [call site] 00003
4 unw_getcontext [function] [call site] 00004
4 unw_init_local [function] [call site] 00005
4 unw_step [function] [call site] 00006
5 Debug [function] [call site] 00007
5 unw_is_signal_frame [function] [call site] 00008
5 s390x_handle_signal_frame [function] [call site] 00009
6 dwarf_get [function] [call site] 00010
7 DWARF_IS_NULL_LOC [function] [call site] 00011
7 DWARF_IS_REG_LOC [function] [call site] 00012
7 DWARF_GET_REG_LOC [function] [call site] 00013
7 DWARF_IS_MEM_LOC [function] [call site] 00014
7 DWARF_GET_MEM_LOC [function] [call site] 00015
7 assert [function] [call site] 00016
7 DWARF_IS_VAL_LOC [function] [call site] 00017
7 DWARF_GET_LOC [function] [call site] 00018
6 DWARF_MEM_LOC [function] [call site] 00019
6 DWARF_MEM_LOC [function] [call site] 00020
6 DWARF_MEM_LOC [function] [call site] 00021
6 dwarf_get [function] [call site] 00022
6 dwarf_get [function] [call site] 00023
5 dwarf_step [function] [call site] 00024
5 unlikely [function] [call site] 00025
5 unlikely [function] [call site] 00026
5 unlikely [function] [call site] 00027
5 Dprintf [function] [call site] 00028
4 unw_get_proc_name [function] [call site] 00029
5 tdep_get_ip [function] [call site] 00030
5 unw_get_proc_name_by_ip [function] [call site] 00031
6 unw_get_accessors_int [function] [call site] 00032
6 unwi_find_dynamic_proc_info [function] [call site] 00033
7 local_find_proc_info [function] [call site] 00034
7 remote_find_proc_info [function] [call site] 00035
6 intern_string [function] [call site] 00036
7 fetch8 [function] [call site] 00037
8 memcpy [function] [call site] 00038
6 unwi_put_dynamic_unwind_info [function] [call site] 00039
7 unwi_dyn_remote_put_unwind_info [function] [call site] 00040
8 free_dyn_info [function] [call site] 00041
9 free_regions [function] [call site] 00042
10 free_regions [function] [call site] 00043
10 free [function] [call site] 00044
9 free [function] [call site] 00045
8 free [function] [call site] 00046
7 unwi_dyn_remote_put_unwind_info [function] [call site] 00047
7 tdep_put_unwind_info [function] [call site] 00048
8 is_local_addr_space [function] [call site] 00049
8 free [function] [call site] 00050
5 tdep_get_as [function] [call site] 00051
5 tdep_get_as_arg [function] [call site] 00052
3 dispatch [function] [call site] 00053
2 recurse2 [function] [call site] 00054
3 get_random_reg [function] [call site] 00055
4 unw_getcontext [function] [call site] 00056
4 unw_init_local [function] [call site] 00057
4 unw_step [function] [call site] 00058
4 unw_get_reg [function] [call site] 00059
5 tdep_get_ip [function] [call site] 00060
5 tdep_access_reg [function] [call site] 00061
6 Debug [function] [call site] 00062
6 dwarf_put [function] [call site] 00063
7 assert [function] [call site] 00064
7 DWARF_IS_VAL_LOC [function] [call site] 00065
7 DWARF_IS_NULL_LOC [function] [call site] 00066
7 DWARF_IS_REG_LOC [function] [call site] 00067
7 DWARF_GET_REG_LOC [function] [call site] 00068
7 DWARF_GET_MEM_LOC [function] [call site] 00069
6 dwarf_get [function] [call site] 00070
3 dispatch [function] [call site] 00071
2 recurse3 [function] [call site] 00072
3 check_is_signal [function] [call site] 00073
4 unw_getcontext [function] [call site] 00074
4 unw_init_local [function] [call site] 00075
4 unw_step [function] [call site] 00076
4 unw_is_signal_frame [function] [call site] 00077
3 dispatch [function] [call site] 00078
2 recurse4 [function] [call site] 00079
3 get_save_loc [function] [call site] 00080
4 unw_getcontext [function] [call site] 00081
4 unw_init_local [function] [call site] 00082
4 unw_step [function] [call site] 00083
4 unw_get_save_loc [function] [call site] 00084
5 memset [function] [call site] 00085
5 DWARF_IS_NULL_LOC [function] [call site] 00086
5 DWARF_IS_REG_LOC [function] [call site] 00087
5 DWARF_GET_REG_LOC [function] [call site] 00088
5 DWARF_GET_MEM_LOC [function] [call site] 00089
3 dispatch [function] [call site] 00090