yyc12345/stb
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Zero-initialize stbi__jpeg to avoid intermittent errors found by fuzz-testing

Browse Source
This commit is contained in:
Neil Bickford 2022-02-25 14:27:31 -08:00
parent 47164e4086
commit 5cfc2a744a
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
stb_image.h
View File

@ -4008,6 +4008,7 @@ static void *stbi__jpeg_load(stbi__context *s, int *x, int *y, int *comp, int re
unsigned char* result; unsigned char* result;
stbi__jpeg* j = (stbi__jpeg*) stbi__malloc(sizeof(stbi__jpeg)); stbi__jpeg* j = (stbi__jpeg*) stbi__malloc(sizeof(stbi__jpeg));
if (!j) return stbi__errpuc("outofmem", "Out of memory"); if (!j) return stbi__errpuc("outofmem", "Out of memory");
memset(j, 0, sizeof(stbi__jpeg));
STBI_NOTUSED(ri); STBI_NOTUSED(ri);
j->s = s; j->s = s;
stbi__setup_jpeg(j); stbi__setup_jpeg(j);
@ -4021,6 +4022,7 @@ static int stbi__jpeg_test(stbi__context *s)
int r; int r;
stbi__jpeg* j = (stbi__jpeg*)stbi__malloc(sizeof(stbi__jpeg)); stbi__jpeg* j = (stbi__jpeg*)stbi__malloc(sizeof(stbi__jpeg));
if (!j) return stbi__err("outofmem", "Out of memory"); if (!j) return stbi__err("outofmem", "Out of memory");
memset(j, 0, sizeof(stbi__jpeg));
j->s = s; j->s = s;
stbi__setup_jpeg(j); stbi__setup_jpeg(j);
r = stbi__decode_jpeg_header(j, STBI__SCAN_type); r = stbi__decode_jpeg_header(j, STBI__SCAN_type);
@ -4046,6 +4048,7 @@ static int stbi__jpeg_info(stbi__context *s, int *x, int *y, int *comp)
int result; int result;
stbi__jpeg* j = (stbi__jpeg*) (stbi__malloc(sizeof(stbi__jpeg))); stbi__jpeg* j = (stbi__jpeg*) (stbi__malloc(sizeof(stbi__jpeg)));
if (!j) return stbi__err("outofmem", "Out of memory"); if (!j) return stbi__err("outofmem", "Out of memory");
memset(j, 0, sizeof(stbi__jpeg));
j->s = s; j->s = s;
result = stbi__jpeg_info_raw(j, x, y, comp); result = stbi__jpeg_info_raw(j, x, y, comp);
STBI_FREE(j); STBI_FREE(j);