diff options
-rw-r--r-- | erts/emulator/beam/erl_alloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 36c46fd7aa..cd679e32b0 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -4041,7 +4041,7 @@ debug_realloc(ErtsAlcType_t type, void *extra, void *ptr, Uint size) erts_hdbg_chk_blks(); #endif - if (old_size > size) + if (ptr && old_size > size) sys_memset((void *) (((char *) ptr) + size), 0xf, sizeof(Uint) + old_size - size); |