1 files changed, 4 insertions, 4 deletions
diff --git a/src/afl-sharedmem.c b/src/afl-sharedmem.c
index 09941d61..c1d4ff03 100644
--- a/src/afl-sharedmem.c
+++ b/src/afl-sharedmem.c
@@ -242,11 +242,11 @@ u8 *afl_shm_init(sharedmem_t *shm, size_t map_size,
 #else
   u8 *shm_str;
 
-  // handle qemu/unicorn compcov map overwrite
-  if (map_size == MAP_SIZE) { map_size += 8; }
-
+  // for qemu+unicorn we have to increase by 8 to account for potential
+  // compcov map overwrite
   shm->shm_id =
-      shmget(IPC_PRIVATE, map_size, IPC_CREAT | IPC_EXCL | DEFAULT_PERMISSION);
+      shmget(IPC_PRIVATE, map_size == MAP_SIZE ? map_size + 8 : map_size,
+             IPC_CREAT | IPC_EXCL | DEFAULT_PERMISSION);
   if (shm->shm_id < 0) {
 
     PFATAL("shmget() failed, try running afl-system-config");