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solved MAP_SIZE overflow

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This commit is contained in:
Andrea Fioraldi
2019-08-28 19:07:19 +02:00
parent 733c8e4c34
commit 892513708b
2 changed files with 2 additions and 2 deletions
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2
qemu_mode/patches/afl-qemu-cpu-translate-inl.h
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@ -134,7 +134,7 @@ static void afl_gen_compcov(target_ulong cur_loc, TCGv_i64 arg1, TCGv_i64 arg2,
} }
cur_loc = (cur_loc >> 4) ^ (cur_loc << 8); cur_loc = (cur_loc >> 4) ^ (cur_loc << 8);
cur_loc &= MAP_SIZE - 1; cur_loc &= MAP_SIZE - 7;
if (cur_loc >= afl_inst_rms) return; if (cur_loc >= afl_inst_rms) return;

2
unicorn_mode/patches/afl-unicorn-cpu-translate-inl.h
View File

@ -42,7 +42,7 @@ static void afl_gen_compcov(TCGContext *s, uint64_t cur_loc, TCGv_i64 arg1,
return; return;
cur_loc = (cur_loc >> 4) ^ (cur_loc << 8); cur_loc = (cur_loc >> 4) ^ (cur_loc << 8);
cur_loc &= MAP_SIZE - 1; cur_loc &= MAP_SIZE - 7;
if (cur_loc >= s->uc->afl_inst_rms) return; if (cur_loc >= s->uc->afl_inst_rms) return;