Fuzz introspector: fuzz_tokenize
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
2 2 1 :

['abort']

2 2 apr_pool_destroy_debug call site: 00045 /src/httpd/srclib/apr/memory/unix/apr_pools.c:1992
2 2 1 :

['abort']

2 2 pool_clear_debug call site: 00056 /src/httpd/srclib/apr/memory/unix/apr_pools.c:1888
0 0 None 77 77 free_proc_chain call site: 00058 /src/httpd/srclib/apr/memory/unix/apr_pools.c:2773
0 0 None 2 27 apr_thread_mutex_create call site: 00006 /src/httpd/srclib/apr/locks/unix/thread_mutex.c:54
0 0 None 2 2 apr_thread_mutex_create call site: 00012 /src/httpd/srclib/apr/locks/unix/thread_mutex.c:61
0 0 None 2 2 apr_pool_cleanup_register call site: 00018 /src/httpd/srclib/apr/memory/unix/apr_pools.c:2538
0 0 None 0 89 apr_pool_terminate call site: 00075 /src/httpd/srclib/apr/memory/unix/apr_pools.c:1763
0 0 None 0 66 apr_pool_create_ex_debug call site: 00003 /src/httpd/srclib/apr/memory/unix/apr_pools.c:2032
0 0 None 0 10 apr_pool_create_ex_debug call site: 00025 /src/httpd/srclib/apr/memory/unix/apr_pools.c:2085
0 0 None 0 0 apr_thread_mutex_create call site: 00016 /src/httpd/srclib/apr/locks/unix/thread_mutex.c:92
0 0 None 0 0 apr_pool_initialize call site: 00001 /src/httpd/srclib/apr/memory/unix/apr_pools.c:1681
0 0 None 0 0 apr_pool_initialize call site: 00003 /src/httpd/srclib/apr/memory/unix/apr_pools.c:1703

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 apr_pool_initialize [function] [call site] 00001
2 sysconf [call site] 00002
2 apr_pool_create_ex_debug [function] [call site] 00003
3 apr_pool_check_lifetime [function] [call site] 00004
3 apr_thread_mutex_create [function] [call site] 00005
4 apr_pcalloc_debug [function] [call site] 00006
5 apr_pool_check_integrity [function] [call site] 00007
6 apr_pool_check_lifetime [function] [call site] 00008
6 apr_pool_check_owner [function] [call site] 00009
5 pool_alloc [function] [call site] 00010
4 pthread_mutexattr_init [call site] 00011
4 pthread_mutexattr_settype [call site] 00012
4 pthread_mutexattr_destroy [call site] 00013
4 pthread_mutex_init [call site] 00014
4 pthread_mutexattr_destroy [call site] 00015
4 pthread_mutex_init [call site] 00016
4 apr_pool_cleanup_register [function] [call site] 00017
5 apr_pool_check_integrity [function] [call site] 00018
5 apr_palloc_debug [function] [call site] 00019
6 apr_pool_check_integrity [function] [call site] 00020
6 pool_alloc [function] [call site] 00021
5 abort [call site] 00022
4 thread_mutex_cleanup [function] [call site] 00023
5 pthread_mutex_destroy [call site] 00024
3 pool_lock [function] [call site] 00025
4 apr_thread_mutex_lock [function] [call site] 00026
5 pthread_mutex_lock [call site] 00027
3 pool_unlock [function] [call site] 00028
4 apr_thread_mutex_unlock [function] [call site] 00029
5 pthread_mutex_unlock [call site] 00030
3 apr_os_thread_current [function] [call site] 00031
4 pthread_self [call site] 00032
2 apr_pool_tag [function] [call site] 00033
2 apr_atomic_init [function] [call site] 00034
1 apr_pool_create_ex [function] [call site] 00035
2 apr_pool_create_ex_debug [function] [call site] 00036
1 abort [call site] 00037
1 strndup [call site] 00038
1 apr_tokenize_to_argv [function] [call site] 00039
2 apr_palloc_debug [function] [call site] 00040
2 apr_palloc_debug [function] [call site] 00041
2 apr_cpystrn [function] [call site] 00042
1 apr_pool_destroy [function] [call site] 00043
2 apr_pool_destroy_debug [function] [call site] 00044
3 apr_pool_check_lifetime [function] [call site] 00045
3 abort [call site] 00046
3 parent_lock [function] [call site] 00047
4 apr_thread_mutex_lock [function] [call site] 00048
3 pool_destroy_debug [function] [call site] 00049
4 pool_clear_debug [function] [call site] 00050
5 run_cleanups [function] [call site] 00051
5 apr_pool_check_owner [function] [call site] 00052
5 pool_destroy_debug [function] [call site] 00053
6 apr_allocator_owner_get [function] [call site] 00054
6 apr_allocator_destroy [function] [call site] 00055
5 run_cleanups [function] [call site] 00056
5 abort [call site] 00057
5 free_proc_chain [function] [call site] 00058
6 apr_proc_wait [function] [call site] 00059
7 waitpid [call site] 00060
7 __errno_location [call site] 00061
7 __errno_location [call site] 00062
6 apr_proc_kill [function] [call site] 00063
7 kill [call site] 00064
7 __errno_location [call site] 00065
6 apr_proc_kill [function] [call site] 00066
6 apr_sleep [function] [call site] 00067
7 nanosleep [call site] 00068
6 apr_proc_wait [function] [call site] 00069
6 apr_sleep [function] [call site] 00070
6 apr_proc_kill [function] [call site] 00071
6 apr_proc_wait [function] [call site] 00072
3 parent_unlock [function] [call site] 00073
4 apr_thread_mutex_unlock [function] [call site] 00074
1 apr_pool_terminate [function] [call site] 00075
2 apr_pool_destroy_debug [function] [call site] 00076