| 1 | diff --git a/elf/rtld.c b/elf/rtld.c |
| 2 | index 69873c2..07e741c 100644 |
| 3 | --- a/elf/rtld.c |
| 4 | +++ b/elf/rtld.c |
| 5 | @@ -162,7 +162,6 @@ struct rtld_global_ro _rtld_global_ro attribute_relro = |
| 6 | ._dl_hwcap_mask = HWCAP_IMPORTANT, |
| 7 | ._dl_lazy = 1, |
| 8 | ._dl_fpu_control = _FPU_DEFAULT, |
| 9 | - ._dl_pointer_guard = 1, |
| 10 | ._dl_pagesize = EXEC_PAGESIZE, |
| 11 | ._dl_inhibit_cache = 0, |
| 12 | |
| 13 | @@ -709,15 +708,12 @@ security_init (void) |
| 14 | #endif |
| 15 | |
| 16 | /* Set up the pointer guard as well, if necessary. */ |
| 17 | - if (GLRO(dl_pointer_guard)) |
| 18 | - { |
| 19 | - uintptr_t pointer_chk_guard = _dl_setup_pointer_guard (_dl_random, |
| 20 | - stack_chk_guard); |
| 21 | + uintptr_t pointer_chk_guard |
| 22 | + = _dl_setup_pointer_guard (_dl_random, stack_chk_guard); |
| 23 | #ifdef THREAD_SET_POINTER_GUARD |
| 24 | - THREAD_SET_POINTER_GUARD (pointer_chk_guard); |
| 25 | + THREAD_SET_POINTER_GUARD (pointer_chk_guard); |
| 26 | #endif |
| 27 | - __pointer_chk_guard_local = pointer_chk_guard; |
| 28 | - } |
| 29 | + __pointer_chk_guard_local = pointer_chk_guard; |
| 30 | |
| 31 | /* We do not need the _dl_random value anymore. The less |
| 32 | information we leave behind, the better, so clear the |
| 33 | @@ -2471,9 +2467,6 @@ process_envvars (enum mode *modep) |
| 34 | GLRO(dl_use_load_bias) = envline[14] == '1' ? -1 : 0; |
| 35 | break; |
| 36 | } |
| 37 | - |
| 38 | - if (memcmp (envline, "POINTER_GUARD", 13) == 0) |
| 39 | - GLRO(dl_pointer_guard) = envline[14] != '0'; |
| 40 | break; |
| 41 | |
| 42 | case 14: |
| 43 | diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h |
| 44 | index 7a0fe8d..78e3a97 100644 |
| 45 | --- a/sysdeps/generic/ldsodefs.h |
| 46 | +++ b/sysdeps/generic/ldsodefs.h |
| 47 | @@ -592,9 +592,6 @@ struct rtld_global_ro |
| 48 | /* List of auditing interfaces. */ |
| 49 | struct audit_ifaces *_dl_audit; |
| 50 | unsigned int _dl_naudit; |
| 51 | - |
| 52 | - /* 0 if internal pointer values should not be guarded, 1 if they should. */ |
| 53 | - EXTERN int _dl_pointer_guard; |
| 54 | }; |
| 55 | # define __rtld_global_attribute__ |
| 56 | # if IS_IN (rtld) |
| 57 | -- |
| 58 | 1.9.4 |
| 59 | |