On Thu, 10 Jun 2021 09:31:42 +0200 Bernd Edlinger <bernd.edlinger@xxxxxxxxxx> wrote: > This introduces signal->unsafe_execve_in_progress, > which is used to fix the case when at least one of the > sibling threads is traced, and therefore the trace > process may dead-lock in ptrace_attach, but de_thread > will need to wait for the tracer to continue execution. Deadlocks are serious. Is this exploitable by unprivileged userspace? > Signed-off-by: Bernd Edlinger <bernd.edlinger@xxxxxxxxxx> Was a -stable backport considered?
