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-rw-r--r--src/afl-fuzz-extras.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/afl-fuzz-extras.c b/src/afl-fuzz-extras.c
index 55146dd9..c366cc5b 100644
--- a/src/afl-fuzz-extras.c
+++ b/src/afl-fuzz-extras.c
@@ -130,6 +130,8 @@ void load_extras_file(afl_state_t *afl, u8 *fname, u32 *min_len, u32 *max_len,
 
     wptr = afl->extras[afl->extras_cnt].data = ck_alloc(rptr - lptr);
 
+    if (!wptr) PFATAL("no mem for data");
+
     while (*lptr) {
 
       char *hexdigits = "0123456789abcdef";