It passes the attr struct to the security_perf_event_open() but it's not initialized yet.
Fixes: da97e18458fb ("perf_event: Add support for LSM and SELinux checks") Cc: stable@vger.kernel.org Reviewed-by: Joel Fernandes (Google) joel@joelfernandes.org Signed-off-by: Namhyung Kim namhyung@kernel.org --- kernel/events/core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c index 65e20c5c3c44..5d7193d3ffef 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -12293,12 +12293,12 @@ SYSCALL_DEFINE5(perf_event_open, if (flags & ~PERF_FLAG_ALL) return -EINVAL;
- /* Do we allow access to perf_event_open(2) ? */ - err = security_perf_event_open(&attr, PERF_SECURITY_OPEN); + err = perf_copy_attr(attr_uptr, &attr); if (err) return err;
- err = perf_copy_attr(attr_uptr, &attr); + /* Do we allow access to perf_event_open(2) ? */ + err = security_perf_event_open(&attr, PERF_SECURITY_OPEN); if (err) return err;