diff options
Diffstat (limited to 'sysdeps/x86/cpu-features.c')
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 0bf923d48b..f180f0d9a4 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -1121,8 +1121,9 @@ no_cpuid: # ifndef SHARED /* Check if IBT and SHSTK are enabled by kernel. */ - if ((cet_status & GNU_PROPERTY_X86_FEATURE_1_IBT) - || (cet_status & GNU_PROPERTY_X86_FEATURE_1_SHSTK)) + if ((cet_status + & (GNU_PROPERTY_X86_FEATURE_1_IBT + | GNU_PROPERTY_X86_FEATURE_1_SHSTK))) { /* Disable IBT and/or SHSTK if they are enabled by kernel, but disabled by environment variable: @@ -1131,9 +1132,11 @@ no_cpuid: */ unsigned int cet_feature = 0; if (!CPU_FEATURE_USABLE (IBT)) - cet_feature |= GNU_PROPERTY_X86_FEATURE_1_IBT; + cet_feature |= (cet_status + & GNU_PROPERTY_X86_FEATURE_1_IBT); if (!CPU_FEATURE_USABLE (SHSTK)) - cet_feature |= GNU_PROPERTY_X86_FEATURE_1_SHSTK; + cet_feature |= (cet_status + & GNU_PROPERTY_X86_FEATURE_1_SHSTK); if (cet_feature) { @@ -1148,7 +1151,9 @@ no_cpuid: lock CET if IBT or SHSTK is enabled permissively. */ if (GL(dl_x86_feature_control).ibt != cet_permissive && GL(dl_x86_feature_control).shstk != cet_permissive) - dl_cet_lock_cet (); + dl_cet_lock_cet (GL(dl_x86_feature_1) + & (GNU_PROPERTY_X86_FEATURE_1_IBT + | GNU_PROPERTY_X86_FEATURE_1_SHSTK)); } # endif } |