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-b767-7c7070468...@linutronix.de/ Signed-off-by: Thomas Weißschuh <thomas.weisssc...@linutronix.de> --- arch/powerpc/kernel/eeh_driver.c | 2 +- arch/powerpc/perf/hv-24x7.c | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 7efe04c68f0fe3fb1c3c13d97d58e79e47cf103b..10ce6b3bd3b7c54f91544ae7f7fd3f32a51ee09a 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -907,7 +907,7 @@ void eeh_handle_normal_event(struct eeh_pe *pe) /* FIXME: Use the same format as dump_stack() */ pr_err("EEH: Call Trace:\n"); for (i = 0; i < pe->trace_entries; i++) - pr_err("EEH: [%pK] %pS\n", ptrs[i], ptrs[i]); + pr_err("EEH: [%p] %pS\n", ptrs[i], ptrs[i]); pe->trace_entries = 0; } diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index d400fa391c2765cf201ee4dc754007e655cc74ca..f6d734431b1dcdfec3b9205c3b48577b4fc26b53 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -713,12 +713,12 @@ static ssize_t catalog_event_len_validate(struct hv_24x7_event_data *event, ev_len = be16_to_cpu(event->length); if (ev_len % 16) - pr_info("event %zu has length %zu not divisible by 16: event=%pK\n", + pr_info("event %zu has length %zu not divisible by 16: event=%p\n", event_idx, ev_len, event); ev_end = (__u8 *)event + ev_len; if (ev_end > end) { - pr_warn("event %zu has .length=%zu, ends after buffer end: ev_end=%pK > end=%pK, offset=%zu\n", + pr_warn("event %zu has .length=%zu, ends after buffer end: ev_end=%p > end=%p, offset=%zu\n", event_idx, ev_len, ev_end, end, offset); return -1; @@ -726,14 +726,14 @@ static ssize_t catalog_event_len_validate(struct hv_24x7_event_data *event, calc_ev_end = event_end(event, end); if (!calc_ev_end) { - pr_warn("event %zu has a calculated length which exceeds buffer length %zu: event=%pK end=%pK, offset=%zu\n", + pr_warn("event %zu has a calculated length which exceeds buffer length %zu: event=%p end=%p, offset=%zu\n", event_idx, event_data_bytes, event, end, offset); return -1; } if (calc_ev_end > ev_end) { - pr_warn("event %zu exceeds its own length: event=%pK, end=%pK, offset=%zu, calc_ev_end=%pK\n", + pr_warn("event %zu exceeds its own length: event=%p, end=%p, offset=%zu, calc_ev_end=%p\n", event_idx, event, ev_end, offset, calc_ev_end); return -1; } --- base-commit: 0ad2507d5d93f39619fc42372c347d6006b64319 change-id: 20250217-restricted-pointers-powerpc-f11876496464 Best regards, -- Thomas Weißschuh <thomas.weisssc...@linutronix.de>
