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
46	46	1 : View List ['doWidthHeightOptim']	46	132	flushFrame	call site: 00072	/src/cgif/build/../src/cgif.c:382
2	5	2 : View List ['fclose', 'freeCGIF']	2	5	cgif_newgif	call site: 00012	/src/cgif/build/../src/cgif.c:121
2	2	1 : View List ['fopen64']	6	31	cgif_newgif	call site: 00009	/src/cgif/build/../src/cgif.c:83
2	2	1 : View List ['memcmp']	2	145	cgif_addframe	call site: 00068	/src/cgif/build/../src/cgif.c:499
2	2	1 : View List ['fclose']	2	9	cgif_close	call site: 00110	/src/cgif/build/../src/cgif.c:606
2	2	1 : View List ['fwrite']	2	2	writecb	call site: 00000	/src/cgif/build/../src/cgif.c:53
0	16	3 : View List ['malloc', 'cmpPixel', 'calcNextPower2Ex']	0	86	flushFrame	call site: 00073	/src/cgif/build/../src/cgif.c:397
0	3	2 : View List ['writeDummyBytes', 'calcNextPower2Ex.61']	0	7	cgif_raw_newgif	call site: 00013	/src/cgif/build/../src/cgif_raw.c:444
0	0	None	46	132	flushFrame	call site: 00072	/src/cgif/build/../src/cgif.c:377
0	0	1 : View List ['malloc']	2	27	cgif_newgif	call site: 00011	/src/cgif/build/../src/cgif.c:103
0	0	None	2	12	cgif_close	call site: 00109	/src/cgif/build/../src/cgif.c:591
0	0	None	2	2	cgif_newgif	call site: 00010	/src/cgif/build/../src/cgif.c:91

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           processInput(ByteStream*)

[function] [call site] 00001


             read_gifconfig(ByteStream*, st_cgif_rgb_config*)

[function] [call site] 00002


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00003


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00004


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00005


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00006


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00007


             cgif_rgb_newgif

[function] [call site] 00008


               cgif_newgif

[function] [call site] 00009


                 fopen64

[call site] 00010


                 fclose

[call site] 00011


                 cgif_raw_newgif

[function] [call site] 00012


                   initMainHeader

[function] [call site] 00013


                     hU16toLE

[function] [call site] 00014


                     hU16toLE

[function] [call site] 00015


                     calcNextPower2Ex

[function] [call site] 00016


                   calcNextPower2Ex

[function] [call site] 00017


                   writeDummyBytes

[function] [call site] 00018


                   initAppExtBlock

[function] [call site] 00019


                     hU16toLE

[function] [call site] 00020


                 fclose

[call site] 00021


                 freeCGIF

[function] [call site] 00022


             read_frameconfig(ByteStream*, st_cgif_rgb_frameconfig*, unsigned long)

[function] [call site] 00023


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00024


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00025


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00026


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00027


               readdata(ByteStream*, void*, unsigned long)

[function] [call site] 00028


             cgif_rgb_addframe

[function] [call site] 00029


               get_color_histogram

[function] [call site] 00030


                 init_col_hash_table

[function] [call site] 00031


                   getNextPrimePower2

[function] [call site] 00032


                 col_hash_collision_count

[function] [call site] 00033


                   getPixelVal

[function] [call site] 00034


                   memcmp

[call site] 00035


                 resize_col_hash_table

[function] [call site] 00036


                   getNextPrimePower2

[function] [call site] 00037


                   realloc

[call site] 00038


                   realloc

[call site] 00039


                   col_hash

[function] [call site] 00040


                     getPixelVal

[function] [call site] 00041


                     memcmp

[call site] 00042


               quantize_and_dither

[function] [call site] 00043


                 hash_to_dense

[function] [call site] 00044


                   col_hash

[function] [call site] 00045


                 create_decision_tree

[function] [call site] 00046


                   new_tree_node

[function] [call site] 00047


                     get_variance

[function] [call site] 00048


                       get_mean

[function] [call site] 00049


                     argmax64

[function] [call site] 00050


                   crawl_decision_tree

[function] [call site] 00051


                     new_tree_node

[function] [call site] 00052


                     new_tree_node

[function] [call site] 00053


                   get_palette_from_decision_tree

[function] [call site] 00054


                     get_palette_from_decision_tree

[function] [call site] 00055


                       get_palette_from_decision_tree

[function] [call site] 00056


                 get_quantized_dithered_image

[function] [call site] 00057


                   get_leave_node_index

[function] [call site] 00058


                     get_leave_node_index

[function] [call site] 00059


                       get_leave_node_index

[function] [call site] 00060


                   get_leave_node_index

[function] [call site] 00061


                 free_decision_tree

[function] [call site] 00062


                   free_decision_tree

[function] [call site] 00063


                     free_decision_tree

[function] [call site] 00064


                 memcmp

[call site] 00065


                 col_hash

[function] [call site] 00066


               free_col_hash_table

[function] [call site] 00067


               cgif_addframe

[function] [call site] 00068


                 memcmp

[call site] 00069


                 cmpPixel

[function] [call site] 00070


                   memcmp

[call site] 00071


                 flushFrame

[function] [call site] 00072


                   doWidthHeightOptim

[function] [call site] 00073


                     getDiffAreaGlobalPalette

[function] [call site] 00074


                       memcmp

[call site] 00075


                       memcmp

[call site] 00076


                     getDiffArea

[function] [call site] 00077


                       cmpPixel

[function] [call site] 00078


                       cmpPixel

[function] [call site] 00079


                       cmpPixel

[function] [call site] 00080


                       cmpPixel

[function] [call site] 00081


                   calcNextPower2Ex

[function] [call site] 00082


                   cmpPixel

[function] [call site] 00083


                   cgif_raw_addframe

[function] [call site] 00084


                     calcNextPower2Ex

[function] [call site] 00085


                     calcInitCodeLen

[function] [call site] 00086


                       calcNextPower2Ex

[function] [call site] 00087


                     hU16toLE

[function] [call site] 00088


                     hU16toLE

[function] [call site] 00089


                     hU16toLE

[function] [call site] 00090


                     hU16toLE

[function] [call site] 00091


                     LZW_GenerateStream

[function] [call site] 00092


                       lzw_generate

[function] [call site] 00093


                         resetDict

[function] [call site] 00094


                         lzw_crawl_tree

[function] [call site] 00095


                           resetDict

[function] [call site] 00096


                           add_child

[function] [call site] 00097


                           resetDict

[function] [call site] 00098


                       create_byte_list

[function] [call site] 00099


                       create_byte_list_block

[function] [call site] 00100


                     LZW_GenerateStream

[function] [call site] 00101


                     hU16toLE

[function] [call site] 00102


                     writeDummyBytes

[function] [call site] 00103


                 freeFrame

[function] [call site] 00104


                 copyFrameConfig

[function] [call site] 00105


             read_frameconfig(ByteStream*, st_cgif_rgb_frameconfig*, unsigned long)

[function] [call site] 00106


             cgif_rgb_close

[function] [call site] 00107


               cgif_close

[function] [call site] 00108


                 flushFrame

[function] [call site] 00109


                 cgif_raw_close

[function] [call site] 00110


                 fclose

[call site] 00111


                 freeFrame

[function] [call site] 00112


                 freeCGIF

[function] [call site] 00113