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

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Signed-off-by: Lev Olshvang <levonshe@xxxxxxxxx>
---
 arch/powerpc/mm/book3s64/pkeys.c | 5 -----
 1 file changed, 5 deletions(-)

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;
 	/*
-- 
2.17.1




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