Re: [PATCH 1/2] KVM: s390: Don't use %pK through tracepoints

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On 17.02.25 14:13, Thomas Weißschuh wrote:
Restricted pointers ("%pK") are not meant to be used through TP_format().
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@xxxxxxxxxxxxx/
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>

Reviewed-by: Michael Mueller <mimu@xxxxxxxxxxxxx>

---
  arch/s390/kvm/trace-s390.h | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/kvm/trace-s390.h b/arch/s390/kvm/trace-s390.h
index 9ac92dbf680dbbe7703dd63945968b1cda46cf13..9e28f165c114caab99857ed3b53edc6ed5045dfa 100644
--- a/arch/s390/kvm/trace-s390.h
+++ b/arch/s390/kvm/trace-s390.h
@@ -56,7 +56,7 @@ TRACE_EVENT(kvm_s390_create_vcpu,
  		    __entry->sie_block = sie_block;
  		    ),
- TP_printk("create cpu %d at 0x%pK, sie block at 0x%pK",
+	    TP_printk("create cpu %d at 0x%p, sie block at 0x%p",
  		      __entry->id, __entry->vcpu, __entry->sie_block)
  	);
@@ -255,7 +255,7 @@ TRACE_EVENT(kvm_s390_enable_css,
  		    __entry->kvm = kvm;
  		    ),
- TP_printk("enabling channel I/O support (kvm @ %pK)\n",
+	    TP_printk("enabling channel I/O support (kvm @ %p)\n",
  		      __entry->kvm)
  	);





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