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* dlfcn/dlmopen.c (dlmopen_doit): Don't allow RTLD_GLOBAL to be

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used when the namespace is not the base namespace.
This commit is contained in:
Ulrich Drepper 2006-07-26 08:21:54 +00:00
parent a92b1166e5
commit 3a975ff576
2 changed files with 17 additions and 5 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2006-07-26 Ulrich Drepper <drepper@redhat.com>
* dlfcn/dlmopen.c (dlmopen_doit): Don't allow RTLD_GLOBAL to be
used when the namespace is not the base namespace.
2006-07-26 Gavin Romig-Koch <gavin@redhat.com>
* stdlib/cxa_atexit.c (__new_exitfn_called): New variable.

17
dlfcn/dlmopen.c
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@ -1,5 +1,5 @@
/* Load a shared object at run time.
Copyright (C) 1995,96,97,98,99,2000,2003,2004 Free Software Foundation, Inc.
Copyright (C) 1995-2000,2003,2004,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -55,12 +55,19 @@ dlmopen_doit (void *a)
/* Non-shared code has no support for multiple namespaces. */
if (args->nsid != LM_ID_BASE)
{
# ifdef SHARED
/* If trying to open the link map for the main executable the namespace
must be the main one. */
if (args->file == NULL)
/* If trying to open the link map for the main executable the namespace
must be the main one. */
if (args->file == NULL)
# endif
GLRO(dl_signal_error) (EINVAL, NULL, NULL, N_("invalid namespace"));
GLRO(dl_signal_error) (EINVAL, NULL, NULL, N_("invalid namespace"));
/* It makes no sense to use RTLD_GLOBAL when loading a DSO into
a namespace other than the base namespace. */
if (__builtin_expect (args->mode & RTLD_GLOBAL, 0))
GLRO(dl_signal_error) (EINVAL, NULL, NULL, N_("invalid mode"));
}
args->new = GLRO(dl_open) (args->file ?: "", args->mode | __RTLD_DLOPEN,
args->caller,