Merge pull request #156 from n0pFlux/master

Fixed memory leak in afl-fuzz-python.c - trim_case_python.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/afl-fuzz-python.c b/src/afl-fuzz-python.c
index 73fcd138..53935698 100644
--- a/src/afl-fuzz-python.c
+++ b/src/afl-fuzz-python.c
@@ -345,7 +345,10 @@ u8 trim_case_python(char** argv, struct queue_entry* q, u8* in_buf) {
     fault = run_target(argv, exec_tmout);
     ++trim_execs;
 
-    if (stop_soon || fault == FAULT_ERROR) goto abort_trimming;
+    if (stop_soon || fault == FAULT_ERROR) {
+        free(retbuf);
+        goto abort_trimming;
+    }
 
     cksum = hash32(trace_bits, MAP_SIZE, HASH_CONST);
 
@@ -381,6 +384,8 @@ u8 trim_case_python(char** argv, struct queue_entry* q, u8* in_buf) {
 
     }
 
+    free(retbuf);
+
     /* Since this can be slow, update the screen every now and then. */
 
     if (!(trim_exec++ % stats_update_freq)) show_stats();