diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/dl-execstack.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-execstack.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-execstack.c b/sysdeps/unix/sysv/linux/dl-execstack.c index 5e2397f845..8ea69bdde3 100644 --- a/sysdeps/unix/sysv/linux/dl-execstack.c +++ b/sysdeps/unix/sysv/linux/dl-execstack.c @@ -1,5 +1,5 @@ /* Stack executability handling for GNU dynamic linker. Linux version. - Copyright (C) 2003-2016 Free Software Foundation, Inc. + Copyright (C) 2003-2018 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 @@ -22,7 +22,6 @@ #include <libintl.h> #include <stdbool.h> #include <stackinfo.h> -#include <caller.h> #include <sysdep.h> @@ -30,7 +29,6 @@ extern int __stack_prot attribute_relro attribute_hidden; int -internal_function _dl_make_stack_executable (void **stack_endp) { /* This gives us the highest/lowest page that needs to be changed. */ @@ -38,12 +36,6 @@ _dl_make_stack_executable (void **stack_endp) & -(intptr_t) GLRO(dl_pagesize)); int result = 0; - /* Challenge the caller. */ - if (__builtin_expect (__check_caller (RETURN_ADDRESS (0), - allow_ldso|allow_libpthread) != 0, 0) - || __builtin_expect (*stack_endp != __libc_stack_end, 0)) - return EPERM; - if (__builtin_expect (__mprotect ((void *) page, GLRO(dl_pagesize), __stack_prot) == 0, 1)) goto return_success; |