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MIPS: Don't use %pK through printk

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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>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Thomas Weißschuh 2025-07-18 15:18:24 +02:00 • committed by Thomas Bogendoerfer
parent 748f8b27b0
commit 3ebcbf079c
3 changed files with 7 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

10
arch/mips/kernel/relocate.c
View file

@ -138,7 +138,7 @@ static int __init reloc_handler(u32 type, u32 *loc_orig, u32 *loc_new,
apply_r_mips_hi16_rel(loc_orig, loc_new, offset);
break;
default:
pr_err("Unhandled relocation type %d at 0x%pK\n", type,
pr_err("Unhandled relocation type %d at 0x%p\n", type,
loc_orig);
return -ENOEXEC;
}
@ -439,10 +439,10 @@ static void show_kernel_relocation(const char *level)
{
if (__kaslr_offset > 0) {
printk(level);
pr_cont("Kernel relocated by 0x%pK\n", (void *)__kaslr_offset);
pr_cont(" .text @ 0x%pK\n", _text);
pr_cont(" .data @ 0x%pK\n", _sdata);
pr_cont(" .bss @ 0x%pK\n", __bss_start);
pr_cont("Kernel relocated by 0x%p\n", (void *)__kaslr_offset);
pr_cont(" .text @ 0x%p\n", _text);
pr_cont(" .data @ 0x%p\n", _sdata);
pr_cont(" .bss @ 0x%p\n", __bss_start);
}
}

2
arch/mips/kvm/mips.c
View file

@ -315,7 +315,7 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
* we allocate is out of range, just give up now.
*/
if (!cpu_has_ebase_wg && virt_to_phys(gebase) >= 0x20000000) {
kvm_err("CP0_EBase.WG required for guest exception base %pK\n",
kvm_err("CP0_EBase.WG required for guest exception base %p\n",
gebase);
err = -ENOMEM;
goto out_free_gebase;

2
arch/mips/mm/physaddr.c
View file

@ -30,7 +30,7 @@ static inline bool __debug_virt_addr_valid(unsigned long x)
phys_addr_t __virt_to_phys(volatile const void *x)
{
WARN(!__debug_virt_addr_valid((unsigned long)x),
"virt_to_phys used for non-linear address: %pK (%pS)\n",
"virt_to_phys used for non-linear address: %p (%pS)\n",
x, x);
return __virt_to_phys_nodebug(x);