diff mbox series

[v3,5/5] Hardening : PPC book3s64: Forbid writes to read-only memory pages of a process

Message ID 20200413153211.29876-6-levonshe@gmail.com (mailing list archive)
State New, archived
Headers show
Series hardening : prevent write to proces's read-only pages | expand

Commit Message

Lev R. Oshvang . April 13, 2020, 3:32 p.m. UTC 
Signed-off-by: Lev Olshvang <levonshe@gmail.com>
---
 arch/powerpc/mm/book3s64/pkeys.c | 5 -----
 1 file changed, 5 deletions(-)
diff mbox series

Patch

diff --git a/arch/powerpc/mm/book3s64/pkeys.c b/arch/powerpc/mm/book3s64/pkeys.c
index 4c537af6ab01..1199fc2bfaec 100644
--- a/arch/powerpc/mm/book3s64/pkeys.c
+++ b/arch/powerpc/mm/book3s64/pkeys.c
@@ -384,11 +384,6 @@  bool arch_pte_access_permitted(u64 pte, bool write, bool execute)
 bool arch_vma_access_permitted(struct vm_area_struct *vma, bool write,
 			       bool execute, bool foreign)
 {
-	if (unlikely(!vma_write_allowed(vma, write, execute, foreign))) {
-		pr_err_once("Error : PID[%d] %s writes to read only memory\n",
-			current->tgid, current->comm);
-		return false;
-	}
 	if (static_branch_likely(&pkey_disabled))
 		return true;
 	/*