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

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity Unique Reachable Complexities Unique Reachable Functions All non-covered Complexity All Reachable Complexity Function Name Function Callsite Blocked Branch
10 10 3 :

['numa_error', 'exit', 'free']

10 10 numa_bitmask_alloc call site: 00017 /src/numactl/libnuma.c:232
10 10 2 :

['__errno_location', 'numa_error']

10 10 numa_node_to_cpus_v2 call site: 00085 /src/numactl/libnuma.c:1449
8 13 4 :

['__ctype_b_loc', 'strtol', 'numa_bitmask_setbit', 'numa_num_task_nodes']

8 13 sysfs_node_read call site: 00000 /src/numactl/sysfs.c:58
4 8 3 :

['__errno_location', 'numa_bitmask_isbitset', 'strerror']

18 93 numa_node_to_cpus_v2 call site: 00093 /src/numactl/libnuma.c:1464
4 4 2 :

['__errno_location', 'strerror']

4 17 find_route call site: 00000 /src/numactl/affinity.c:222
2 16 4 :

['numa_bitmask_clearbit', 'numa_bitmask_setbit', 'numa_bitmask_isbitset', 'strlen']

2 19 __numa_parse_nodestring call site: 00024 /src/numactl/libnuma.c:1990
2 2 1 :

['__errno_location']

12 12 numa_bitmask_alloc call site: 00009 /src/numactl/libnuma.c:222
2 2 1 :

['exit']

2 2 numa_warn call site: 00031 /src/numactl/libnuma.c:305
2 2 1 :

['__errno_location']

2 2 rtnetlink_request call site: 00000 /src/numactl/rtnetlink.c:83
0 13 1 :

['numa_warn']

2 15 affinity_ip call site: 00000 /src/numactl/affinity.c:273
0 13 1 :

['numa_warn']

0 13 resolve_affinity call site: 00026 /src/numactl/affinity.c:339
0 13 1 :

['numa_warn']

0 13 numa_node_size64 call site: 00000 /src/numactl/libnuma.c:836

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 numa_parse_nodestring [function] [call site] 00001
2 __numa_parse_nodestring [function] [call site] 00002
3 numa_num_configured_nodes [function] [call site] 00003
4 numa_bitmask_isbitset [function] [call site] 00004
5 _getbit [function] [call site] 00005
3 numa_allocate_nodemask [function] [call site] 00006
4 numa_max_possible_node_v2 [function] [call site] 00007
5 numa_num_possible_nodes [function] [call site] 00008
4 numa_bitmask_alloc [function] [call site] 00009
5 __errno_location [call site] 00010
5 numa_error [function] [call site] 00011
6 __errno_location [call site] 00012
6 perror [call site] 00013
6 exit [call site] 00014
6 __errno_location [call site] 00015
5 exit [call site] 00016
5 calloc [call site] 00017
5 numa_error [function] [call site] 00018
5 exit [call site] 00019
3 copy_bitmask_to_bitmask [function] [call site] 00020
3 __ctype_b_loc [call site] 00021
3 strcmp [call site] 00022
3 copy_bitmask_to_bitmask [function] [call site] 00023
3 resolve_affinity [function] [call site] 00024
4 strlen [call site] 00025
4 strncmp [call site] 00026
4 numa_warn [function] [call site] 00027
5 __errno_location [call site] 00028
5 fprintf [call site] 00029
5 vfprintf [call site] 00030
5 fputc [call site] 00031
5 exit [call site] 00032
5 __errno_location [call site] 00033
3 strlen [call site] 00034
3 get_nr [function] [call site] 00035
4 strtoul [call site] 00036
4 strtoul [call site] 00037
4 numa_bitmask_isbitset [function] [call site] 00038
3 numa_warn [function] [call site] 00039
3 numa_bitmask_isbitset [function] [call site] 00040
3 numa_warn [function] [call site] 00041
3 numa_bitmask_setbit [function] [call site] 00042
4 _setbit [function] [call site] 00043
3 get_nr [function] [call site] 00044
3 numa_warn [function] [call site] 00045
3 numa_bitmask_isbitset [function] [call site] 00046
3 numa_warn [function] [call site] 00047
3 numa_bitmask_isbitset [function] [call site] 00048
3 numa_bitmask_setbit [function] [call site] 00049
3 numa_bitmask_isbitset [function] [call site] 00050
3 numa_bitmask_clearbit [function] [call site] 00051
4 _setbit [function] [call site] 00052
3 numa_bitmask_setbit [function] [call site] 00053
3 numa_bitmask_free [function] [call site] 00054
1 numa_bitmask_free [function] [call site] 00055
1 numa_parse_cpustring [function] [call site] 00056
2 __numa_parse_cpustring [function] [call site] 00057
3 numa_num_configured_cpus [function] [call site] 00058
3 numa_allocate_cpumask [function] [call site] 00059
4 numa_num_possible_cpus [function] [call site] 00060
4 numa_bitmask_alloc [function] [call site] 00061
3 strcmp [call site] 00062
3 copy_bitmask_to_bitmask [function] [call site] 00063
3 get_nr [function] [call site] 00064
3 numa_warn [function] [call site] 00065
3 numa_bitmask_isbitset [function] [call site] 00066
3 numa_warn [function] [call site] 00067
3 numa_bitmask_setbit [function] [call site] 00068
3 get_nr [function] [call site] 00069
3 numa_warn [function] [call site] 00070
3 numa_bitmask_isbitset [function] [call site] 00071
3 numa_warn [function] [call site] 00072
3 numa_bitmask_isbitset [function] [call site] 00073
3 numa_bitmask_setbit [function] [call site] 00074
3 numa_bitmask_isbitset [function] [call site] 00075
3 numa_bitmask_clearbit [function] [call site] 00076
3 numa_bitmask_setbit [function] [call site] 00077
3 numa_bitmask_free [function] [call site] 00078
1 numa_node_to_cpus_v2 [function] [call site] 00079
2 numa_max_node [function] [call site] 00080
2 init_node_cpu_mask_v2 [function] [call site] 00081
3 numa_max_possible_node_v2 [function] [call site] 00082
3 calloc [call site] 00083
2 __errno_location [call site] 00084
2 numa_bitmask_clearall [function] [call site] 00085
3 _setbit [function] [call site] 00086
2 __errno_location [call site] 00087
2 numa_error [function] [call site] 00088
2 copy_bitmask_to_bitmask [function] [call site] 00089
2 numa_allocate_cpumask [function] [call site] 00090
2 sprintf [call site] 00091
2 fopen [call site] 00092
2 getdelim [call site] 00093
2 numa_bitmask_isbitset [function] [call site] 00094
2 __errno_location [call site] 00095
2 numa_warn [function] [call site] 00096
2 numa_warn [function] [call site] 00097
2 numa_bitmask_setall [function] [call site] 00098
3 _setbit [function] [call site] 00099
2 fclose [call site] 00100
2 numa_parse_bitmap_v2 [function] [call site] 00101
3 strchr [call site] 00102
3 strtoul [call site] 00103
2 numa_warn [function] [call site] 00104
2 numa_bitmask_setall [function] [call site] 00105
2 copy_bitmask_to_bitmask [function] [call site] 00106
2 copy_bitmask_to_bitmask [function] [call site] 00107
2 numa_bitmask_free [function] [call site] 00108
2 numa_bitmask_free [function] [call site] 00109
2 numa_bitmask_free [function] [call site] 00110
1 numa_bitmask_free [function] [call site] 00111