From effd1059c448e2b982f4de5d3b03deca2714b2a9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Thomas=20Wei=C3=9Fschuh?= Date: Mon, 17 Feb 2025 14:16:12 +0100 Subject: [PATCH] tracing/user_events: Don't use %pK through printk MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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. Cc: Mathieu Desnoyers Link: https://lore.kernel.org/20250217-restricted-pointers-trace-v1-1-bbe9ea279848@linutronix.de Link: https://lore.kernel.org/lkml/20250113171731-dc10e3c1-da64-4af0-b767-7c7070468023@linutronix.de/ Signed-off-by: Thomas Weißschuh Acked-by: Masami Hiramatsu (Google) Signed-off-by: Steven Rostedt (Google) --- kernel/trace/trace_events_user.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index 97325fbd62836..3effc6fce20e6 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -455,7 +455,7 @@ static void user_event_enabler_fault_fixup(struct work_struct *work) if (ret && ret != -ENOENT) { struct user_event *user = enabler->event; - pr_warn("user_events: Fault for mm: 0x%pK @ 0x%llx event: %s\n", + pr_warn("user_events: Fault for mm: 0x%p @ 0x%llx event: %s\n", mm->mm, (unsigned long long)uaddr, EVENT_NAME(user)); } -- 2.39.5