diff mbox series

[linux-next,2/2] perf: Return EACCESS when need perfmon capability

Message ID 20241223070650.2810747-3-luogengkun@huaweicloud.com (mailing list archive)
State New
Headers show
Series Fix perf security check problem | expand

Commit Message

Luo Gengkun Dec. 23, 2024, 7:06 a.m. UTC 
For perf_allow_kernel and perf_allow_cpu, both return EACCES when require
CAP_PERFMON or CAP_SYS_ADMIN permissions, so update perf_allow_tracepoint
to keep them the same.

Signed-off-by: Luo Gengkun <luogengkun@huaweicloud.com>
---
 include/linux/perf_event.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 5d2ec4283ebf..c1bc0d7a275b 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1685,7 +1685,7 @@  static inline int perf_allow_cpu(void)
 static inline int perf_allow_tracepoint(void)
 {
 	if (sysctl_perf_event_paranoid > -1 && !perfmon_capable())
-		return -EPERM;
+		return -EACCES;
 
 	return security_perf_event_open(PERF_SECURITY_TRACEPOINT);
 }