Messages in this thread Patch in this message | | | Subject | [PATCH v4 9/9] drivers/oprofile: open access for CAP_SYS_PERFMON privileged process | From | Alexey Budankov <> | Date | Wed, 18 Dec 2019 12:31:08 +0300 |
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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 <alexey.budankov@linux.intel.com> --- drivers/oprofile/event_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c index 12ea4a4ad607..6c9edc8bbc95 100644 --- a/drivers/oprofile/event_buffer.c +++ b/drivers/oprofile/event_buffer.c @@ -113,7 +113,7 @@ static int event_buffer_open(struct inode *inode, struct file *file) { int err = -EPERM; - if (!capable(CAP_SYS_ADMIN)) + if (!perfmon_capable()) return -EPERM; if (test_and_set_bit_lock(0, &buffer_opened)) -- 2.20.1
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