Fuzz introspector: zxc_fuzzer_decompress
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
5 20 zxc_decompress_frame call site: 00020 zxc_huf_dict_tree_build
2 17 zxc_cctx_free call site: 00017 zxc_dict_id
2 30 zxc_decompress_frame call site: 00030 zxc_decompress_chunk_wrapper
1 8 zxc_cctx_init call site: 00008 zxc_dctx_entropy_sizes
1 13 zxc_cctx_init_in_workspace call site: 00013 zxc_aligned_free
1 28 zxc_decompress_frame call site: 00028 zxc_cctx_free
1 34 zxc_decompress_dispatch_init call site: 00034 zxc_cctx_free

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 zxc_get_decompressed_size [function] [call site] 00001
2 zxc_read_file_header [function] [call site] 00002
2 zxc_footer_dsize_plausible [function] [call site] 00003
1 zxc_decompress [function] [call site] 00004
2 zxc_decompress_frame [function] [call site] 00005
3 zxc_read_file_header [function] [call site] 00006
3 zxc_cctx_init [function] [call site] 00007
4 compute_cctx_layout [function] [call site] 00008
5 zxc_dctx_entropy_sizes [function] [call site] 00009
4 zxc_aligned_malloc [function] [call site] 00010
5 posix_memalign [call site] 00011
4 zxc_cctx_init_in_workspace [function] [call site] 00012
5 compute_cctx_layout [function] [call site] 00013
4 zxc_aligned_free [function] [call site] 00014
3 zxc_cctx_free [function] [call site] 00015
4 zxc_aligned_free [function] [call site] 00016
4 zxc_aligned_free [function] [call site] 00017
3 zxc_dict_id [function] [call site] 00018
3 zxc_cctx_free [function] [call site] 00019
3 zxc_cctx_attach_dict_huf [function] [call site] 00020
4 zxc_huf_dict_tree_build [function] [call site] 00021
5 zxc_huf_unpack_lengths_default [function] [call site] 00022
5 zxc_pivco_tree_build [function] [call site] 00023
5 zxc_pivco_decode_aux_build [function] [call site] 00024
3 zxc_cctx_free [function] [call site] 00025
3 zxc_read_block_header [function] [call site] 00026
3 zxc_cctx_free [function] [call site] 00027
3 zxc_cctx_free [function] [call site] 00028
3 zxc_cctx_free [function] [call site] 00029
3 zxc_cctx_free [function] [call site] 00030
3 zxc_cctx_free [function] [call site] 00031
3 zxc_decompress_chunk_wrapper [function] [call site] 00032
4 zxc_decompress_dispatch_init [function] [call site] 00033
5 zxc_detect_cpu_features [function] [call site] 00034
3 zxc_cctx_free [function] [call site] 00035
3 zxc_decompress_chunk_wrapper [function] [call site] 00036
3 zxc_decompress_chunk_wrapper [function] [call site] 00037
3 zxc_cctx_free [function] [call site] 00038
3 zxc_cctx_free [function] [call site] 00039
3 zxc_cctx_free [function] [call site] 00040