From 1aa1166460dc22791ab909bb0a8565b2e12a1820 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= Date: Wed, 9 Mar 2011 10:42:58 +0100 Subject: Fix 18 exabyte memory allocation failure The new_binary() function takes a size argument that is an int. In the 64-bit emulator (sizeof(int) == 4, sizeof(Uint) == 8), any sizes >= 0x8000000 become 0xffffffff80000000 and above and triggers a memory allocation failure. Change the type of the size argument to Uint, and change any callers that cast the argument to an int. Correction-by: Jon Meredith --- erts/emulator/beam/erl_db_util.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'erts/emulator/beam/erl_db_util.c') diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index d3e31da413..0b63ab9ba0 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -2162,7 +2162,8 @@ restart: case matchProcessDump: { erts_dsprintf_buf_t *dsbufp = erts_create_tmp_dsbuf(0); print_process_info(ERTS_PRINT_DSBUF, (void *) dsbufp, c_p); - *esp++ = new_binary(build_proc, (byte *)dsbufp->str, (int)dsbufp->str_len); + *esp++ = new_binary(build_proc, (byte *)dsbufp->str, + dsbufp->str_len); erts_destroy_tmp_dsbuf(dsbufp); break; } -- cgit v1.2.3