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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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8
src/afl-fuzz-redqueen.c
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@ -313,8 +313,6 @@ static unsigned long long strntoull(const char *str, size_t sz, char **end,
}
#define BUF_PARAMS(name) (void **)&afl->name##_buf, &afl->name##_size
static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h,
u64 pattern, u64 repl, u64 o_pattern, u32 idx,
u8 *orig_buf, u8 *buf, u32 len, u8 do_reverse,
@ -358,7 +356,8 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h,
size_t old_len = endptr - buf_8;
size_t num_len = snprintf(NULL, 0, "%lld", num);
u8 *new_buf = ck_maybe_grow(BUF_PARAMS(out_scratch), len + num_len);
u8 *new_buf = afl_realloc((void **)&afl->out_scratch_buf, len + num_len);
if (unlikely(!new_buf)) { PFATAL("alloc"); }
memcpy(new_buf, buf, idx);
snprintf(new_buf + idx, num_len, "%lld", num);
@ -371,7 +370,8 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h,
size_t old_len = endptr - buf_8;
size_t num_len = snprintf(NULL, 0, "%llu", unum);
u8 *new_buf = ck_maybe_grow(BUF_PARAMS(out_scratch), len + num_len);
u8 *new_buf = afl_realloc((void **)&afl->out_scratch_buf, len + num_len);
if (unlikely(!new_buf)) { PFATAL("alloc"); }
memcpy(new_buf, buf, idx);
snprintf(new_buf + idx, num_len, "%llu", unum);