Fuzz introspector: opus_repacketizer_fuzzer_fixed
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
0 4 1 :

['parse_size']

0 4 opus_packet_parse_impl call site: 00000 /src/opus/src/opus.c:304
0 2 1 :

['encode_size']

0 2 opus_repacketizer_out_range_impl call site: 00010 /src/opus/src/repacketizer.c:207
0 0 None 0 6 opus_repacketizer_out_range_impl call site: 00008 /src/opus/src/repacketizer.c:120
0 0 None 0 4 opus_repacketizer_out_range_impl call site: 00009 /src/opus/src/repacketizer.c:159
0 0 None 0 4 opus_repacketizer_out_range_impl call site: 00009 /src/opus/src/repacketizer.c:191
0 0 None 0 0 opus_packet_parse_impl call site: 00000 /src/opus/src/opus.c:208
0 0 None 0 0 opus_packet_parse_impl call site: 00000 /src/opus/src/opus.c:210
0 0 None 0 0 opus_packet_parse_impl call site: 00000 /src/opus/src/opus.c:250
0 0 None 0 0 opus_packet_parse_impl call site: 00000 /src/opus/src/opus.c:255
0 0 None 0 0 opus_packet_parse_impl call site: 00000 /src/opus/src/opus.c:330
0 0 None 0 0 opus_packet_parse_impl call site: 00000 /src/opus/src/opus.c:340
0 0 None 0 0 opus_packet_get_nb_frames call site: 00000 /src/opus/src/opus_decoder.c:1007

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 opus_repacketizer_create [function] [call site] 00001
2 opus_repacketizer_get_size [function] [call site] 00002
2 opus_alloc [function] [call site] 00003
2 opus_repacketizer_init [function] [call site] 00004
1 opus_repacketizer_init [function] [call site] 00005
1 char_to_int(unsigned char const*) [function] [call site] 00006
1 opus_repacketizer_out [function] [call site] 00007
2 opus_repacketizer_out_range_impl [function] [call site] 00008
3 encode_size [function] [call site] 00009
3 encode_size [function] [call site] 00010
3 encode_size [function] [call site] 00011
1 opus_repacketizer_destroy [function] [call site] 00012
2 opus_free [function] [call site] 00013