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riscv: mm: Don't use %pK through printk
author
Thomas Weißschuh
<thomas.weissschuh@linutronix.de>
Mon, 17 Feb 2025 07:37:58 +0000
(08:37 +0100)
committer
Alexandre Ghiti
<alexghiti@rivosinc.com>
Tue, 18 Mar 2025 13:35:07 +0000
(13:35 +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>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link:
https://lore.kernel.org/r/20250217-restricted-pointers-riscv-v1-1-72a078076a76@linutronix.de
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
arch/riscv/mm/physaddr.c
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diff --git
a/arch/riscv/mm/physaddr.c
b/arch/riscv/mm/physaddr.c
index
18706f4
..
559d291
100644
(file)
--- a/
arch/riscv/mm/physaddr.c
+++ b/
arch/riscv/mm/physaddr.c
@@
-12,7
+12,7
@@
phys_addr_t __virt_to_phys(unsigned long x)
* Boundary checking aginst the kernel linear mapping space.
*/
WARN(!is_linear_mapping(x) && !is_kernel_mapping(x),
- "virt_to_phys used for non-linear address: %p
K
(%pS)\n",
+ "virt_to_phys used for non-linear address: %p (%pS)\n",
(void *)x, (void *)x);
return __va_to_pa_nodebug(x);