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Reworked maybe_grow to take a single ptr, renamed to afl_realloc (#505)

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* maybe_grow takes a single ptr

* fixed use_deflate

* reworked maybe_grow_bufsize

* helper to access underlying buf

* remove redundant realloc_block

* code format

* fixes

* added unit tests

* renamed maybe_grow to afl_realloc

* BUF_PARAMS -> AFL_BUF_PARAM
This commit is contained in:
Dominik Maier
2020-08-18 00:50:52 +02:00
committed by GitHub
parent 9532499ef5
commit 7470b475a9
14 changed files with 277 additions and 234 deletions
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25
include/afl-fuzz.h
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@ -126,6 +126,9 @@
#define STAGE_BUF_SIZE (64) /* usable size for stage name buf in afl_state */
// Little helper to access the ptr to afl->##name_buf - for use in afl_realloc.
#define AFL_BUF_PARAM(name) ((void **)&afl->name##_buf)
extern s8 interesting_8[INTERESTING_8_LEN];
extern s16 interesting_16[INTERESTING_8_LEN + INTERESTING_16_LEN];
extern s32
@ -572,7 +575,6 @@ typedef struct afl_state {
// growing buf
struct queue_entry **queue_buf;
size_t queue_size;
struct queue_entry **top_rated; /* Top entries for bitmap bytes */
@ -633,24 +635,18 @@ typedef struct afl_state {
/*needed for afl_fuzz_one */
// TODO: see which we can reuse
u8 * out_buf;
size_t out_size;
u8 *out_buf;
u8 * out_scratch_buf;
size_t out_scratch_size;
u8 *out_scratch_buf;
u8 * eff_buf;
size_t eff_size;
u8 *eff_buf;
u8 * in_buf;
size_t in_size;
u8 *in_buf;
u8 * in_scratch_buf;
size_t in_scratch_size;
u8 *in_scratch_buf;
u8 * ex_buf;
size_t ex_size;
u32 custom_mutators_count;
u8 *ex_buf;
u32 custom_mutators_count;
list_t custom_mutator_list;
@ -666,7 +662,6 @@ struct custom_mutator {
char * name_short;
void * dh;
u8 * post_process_buf;
size_t post_process_size;
u8 stacked_custom_prob, stacked_custom;
void *data; /* custom mutator data ptr */