diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2012-04-16 19:40:02 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2012-04-16 19:40:02 +0000 |
| commit | 3fbd81f6ddbd37af8671b6d657343acafaae685d (patch) | |
| tree | 365e3105f0755dd17978e59afee8c25082240e48 | |
| parent | 74f5554958854b96ce7781b95e769e9916b77cf4 (diff) | |
Don't attempt to mmap 0-length bss.
| -rw-r--r-- | gnu/usr.bin/ld/rtld/rtld.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gnu/usr.bin/ld/rtld/rtld.c b/gnu/usr.bin/ld/rtld/rtld.c index e4ed556d508..f2708757304 100644 --- a/gnu/usr.bin/ld/rtld/rtld.c +++ b/gnu/usr.bin/ld/rtld/rtld.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rtld.c,v 1.41 2005/12/21 01:40:22 millert Exp $ */ +/* $OpenBSD: rtld.c,v 1.42 2012/04/16 19:40:01 miod Exp $ */ /* $NetBSD: rtld.c,v 1.43 1996/01/14 00:35:17 pk Exp $ */ /* * Copyright (c) 1993 Paul Kranenburg @@ -696,7 +696,7 @@ again: return NULL; } - if (mmap(addr + hdr.a_text + hdr.a_data, hdr.a_bss, + if (hdr.a_bss && mmap(addr + hdr.a_text + hdr.a_data, hdr.a_bss, PROT_READ|PROT_WRITE, MAP_ANON|MAP_COPY|MAP_FIXED, anon_fd, 0) == (caddr_t)MAP_FAILED) { |