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-rw-r--r--src/afl-fuzz-queue.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/afl-fuzz-queue.c b/src/afl-fuzz-queue.c
index 3ada9d98..28af17f0 100644
--- a/src/afl-fuzz-queue.c
+++ b/src/afl-fuzz-queue.c
@@ -178,7 +178,7 @@ void perform_taint_run(afl_state_t *afl, struct queue_entry *q, u8 *fname,
 
             for (i = 0; i < len; i++)
               if (afl->taint_fsrv.trace_bits[i] && (i >= prev->len || !bufr[i]))
-                tmp[i] = 1;
+                tmp[i] = '!';
 
             q->taint_bytes_new = count_bytes_len(afl, tmp, plen);