Commit abb8d6ec authored Dec 06, 2018 by Linus Torvalds

linux-trace

Pull tracing fix from Steven Rostedt:
 "This is a single commit that fixes a bug in uprobes SDT code due to a
  missing mutex protection"

* tag 'trace-v4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  Uprobes: Fix kernel oops with delayed_uprobe_remove()

parents 2acee31c 1aed58e6

kernel/events/uprobes.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -572,7 +572,9 @@ static void put_uprobe(struct uprobe *uprobe)
		* gets called, we don't get a chance to remove uprobe from
		* delayed_uprobe_list from remove_breakpoint(). Do it here.
		*/
		mutex_lock(&delayed_uprobe_lock);
		delayed_uprobe_remove(uprobe, NULL);
		mutex_unlock(&delayed_uprobe_lock);
		kfree(uprobe);
		}
		}