The recent commit adding VM_SHADOW_STACK for arm64 GCS did not update
the /proc/[pid]/smaps display logic to show the "ss" flag for GCS pages.
This patch adds the necessary condition to display "ss" flag.
Fixes: ae80e1629aea ("mm: Define VM_SHADOW_STACK for arm64 when we support GCS")
Signed-off-by: wangfushuai <wangfushuai@xxxxxxxxx>
---
fs/proc/task_mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 27972c0749e7..c4c942cc6e72 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -991,7 +991,7 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
#ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
[ilog2(VM_UFFD_MINOR)] = "ui",
#endif /* CONFIG_HAVE_ARCH_USERFAULTFD_MINOR */
-#ifdef CONFIG_ARCH_HAS_USER_SHADOW_STACK
+#ifdef CONFIG_ARCH_HAS_USER_SHADOW_STACK || defined(CONFIG_ARM64_GCS)
[ilog2(VM_SHADOW_STACK)] = "ss",
#endif
#if defined(CONFIG_64BIT) || defined(CONFIG_PPC32)
--
2.36.1
