Commit 5f3ab27b authored May 16, 2019 by Linus Torvalds

cgroup

Pull cgroup fix from Tejun Heo:
 "The cgroup2 freezer pulled in this cycle broke strace. This pull
  request includes a workaround for the problem.

  It's not a complete fix in that it may cause spurious frozen state
  flip-flops which is fairly minor. Will push a full fix once it's
  ready"

* 'for-5.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  signal: unconditionally leave the frozen state in ptrace_stop()

parents 4c7b63a3 05b28926

kernel/signal.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2113,6 +2113,7 @@ static void ptrace_stop(int exit_code, int why, int clear_code, kernel_siginfo_t
		preempt_enable_no_resched();
		cgroup_enter_frozen();
		freezable_schedule();
		cgroup_leave_frozen(true);
		} else {
		/*
		* By the time we got the lock, our tracer went away.

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