From a64977f98e71aaf046dc81719459a8f9b03da90d Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Thu, 18 Oct 2018 23:11:31 +0200 Subject: erts: Fix debug_realloc for ptr==NULL --- erts/emulator/beam/erl_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'erts') 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); -- cgit v1.2.3