arm64: mm: Don't use %pK through printk
authorThomas Weißschuh <thomas.weissschuh@linutronix.de>
Mon, 17 Feb 2025 07:39:06 +0000 (08:39 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Thu, 20 Mar 2025 15:34:53 +0000 (15:34 +0000)
Restricted pointers ("%pK") are not meant to be used through printk().
It can unintentionally expose security sensitive, raw pointer values.

Use regular pointer formatting instead.

Link: https://lore.kernel.org/lkml/20250113171731-dc10e3c1-da64-4af0-b767-7c7070468023@linutronix.de/
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://lore.kernel.org/r/20250217-restricted-pointers-arm64-v1-1-14bb1f516b01@linutronix.de
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/mm/physaddr.c

index cde44c13dda1bc0924d2d50369ad87f544a0a802..7d94e09b01b35094e883875a46b979666549095c 100644 (file)
@@ -10,7 +10,7 @@
 phys_addr_t __virt_to_phys(unsigned long x)
 {
        WARN(!__is_lm_address(__tag_reset(x)),
-            "virt_to_phys used for non-linear address: %pK (%pS)\n",
+            "virt_to_phys used for non-linear address: %p (%pS)\n",
              (void *)x,
              (void *)x);