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Date: Mon, 13 Apr 2020 18:32:10 +0300
From: Lev Olshvang <levonshe@...il.com>
To: keescook@...omium.orh
Cc: kernel-hardening@...ts.openwall.com,
Lev Olshvang <levonshe@...il.com>
Subject: [PATCH v3 4/5] Hardening unicore32: Forbid writes to read-only memory pages of a process
Signed-off-by: Lev Olshvang <levonshe@...il.com>
---
arch/unicore32/include/asm/mmu_context.h | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/arch/unicore32/include/asm/mmu_context.h b/arch/unicore32/include/asm/mmu_context.h
index 50961d4b4951..388c0c811c68 100644
--- a/arch/unicore32/include/asm/mmu_context.h
+++ b/arch/unicore32/include/asm/mmu_context.h
@@ -93,11 +93,6 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
bool write, bool execute, bool foreign)
{
/* by default, allow everything */
- if (likely(vma_write_allowed(vma, write, execute, foreign)))
- return true;
-
- pr_err_once("Error : PID[%d] %s writes to read only memory\n",
- current->tgid, current->comm);
- return false;
+ return true;
}
#endif
--
2.17.1
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