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fixed potential UAF with custom mutator havoc on realloc

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This commit is contained in:
Michael Rodler 2021-07-15 11:03:20 +02:00
parent 3dd39fec90
commit cd683ed253
1 changed files with 1 additions and 1 deletions
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src/afl-fuzz-one.c
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@ -2057,7 +2057,7 @@ havoc_stage:
temp_len = new_len;
if (out_buf != custom_havoc_buf) {
afl_realloc(AFL_BUF_PARAM(out), temp_len);
out_buf = afl_realloc(AFL_BUF_PARAM(out), temp_len);
if (unlikely(!afl->out_buf)) { PFATAL("alloc"); }
memcpy(out_buf, custom_havoc_buf, temp_len);