Steven Rostedt (Google) 8b0f7d55b2 tracefs: Add missing lockdown check to tracefs_create_dir() ... commit 51aab5ffce upstream. The function tracefs_create_dir() was missing a lockdown check and was called by the RV code. This gave an inconsistent behavior of this function returning success while other tracefs functions failed. This caused the inode being freed by the wrong kmem_cache. Link: https://lkml.kernel.org/r/20230905182711.692687042@goodmis.org Link: https://lore.kernel.org/all/202309050916.58201dc6-oliver.sang@intel.com/ Cc: stable@vger.kernel.org Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ajay Kaher <akaher@vmware.com> Cc: Ching-lin Yu <chinglinyu@google.com> Fixes: bf8e602186 ("tracing: Do not create tracefs files if tracefs lockdown is in effect") Reported-by: kernel test robot <oliver.sang@intel.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2023-09-23 11:11:12 +02:00
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Makefile	…
inode.c	tracefs: Add missing lockdown check to tracefs_create_dir()	2023-09-23 11:11:12 +02:00