[PATCH v3 7/7] parisc/perf: open access for CAP_SYS_PERFMON privileged process
From: Alexey Budankov <hidden>
Date: 2019-12-16 20:05:27
Also in:
bpf, intel-gfx, linux-perf-users, linux-security-module, lkml, selinux
Subsystem:
parisc architecture, the rest · Maintainers:
"James E.J. Bottomley", Helge Deller, Linus Torvalds
Open access to monitoring for CAP_SYS_PERFMON privileged processes. For backward compatibility reasons access to the monitoring remains open for CAP_SYS_ADMIN privileged processes but CAP_SYS_ADMIN usage for secure monitoring is discouraged with respect to CAP_SYS_PERFMON capability. Signed-off-by: Alexey Budankov <redacted> --- arch/parisc/kernel/perf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 676683641d00..c4208d027794 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c@@ -300,7 +300,7 @@ static ssize_t perf_write(struct file *file, const char __user *buf, else return -EFAULT; - if (!capable(CAP_SYS_ADMIN)) + if (!perfmon_capable()) return -EACCES; if (count != sizeof(uint32_t))
--
2.20.1