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| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2025-02-17 14:13:56 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-02 07:59:21 +0200 |
| commit | 5e7c90294e7aa5a4d1815b60f2cf462d78d6881b (patch) | |
| tree | 5ff5ff7b7ef0e3a59dffa2501971ffa06ce81683 /arch/s390 | |
| parent | c6c8afdcf82436c68cd0835cb8271446153f5b2a (diff) | |
| download | linux-5e7c90294e7aa5a4d1815b60f2cf462d78d6881b.tar.gz linux-5e7c90294e7aa5a4d1815b60f2cf462d78d6881b.tar.bz2 linux-5e7c90294e7aa5a4d1815b60f2cf462d78d6881b.zip | |
KVM: s390: Don't use %pK through tracepoints
[ Upstream commit 6c9567e0850be2f0f94ab64fa6512413fd1a1eb1 ]
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@linutronix.de/
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: Michael Mueller <mimu@linux.ibm.com>
Link: https://lore.kernel.org/r/20250217-restricted-pointers-s390-v1-1-0e4ace75d8aa@linutronix.de
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Message-ID: <20250217-restricted-pointers-s390-v1-1-0e4ace75d8aa@linutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kvm/trace-s390.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kvm/trace-s390.h b/arch/s390/kvm/trace-s390.h index 9ac92dbf680d..9e28f165c114 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) ); |