diff options
Diffstat (limited to 'kernel/ptrace.c')
| -rw-r--r-- | kernel/ptrace.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index c890ac9a7962..00ab2ca5ed11 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -8,7 +8,7 @@ */ #include <linux/capability.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/sched.h> #include <linux/errno.h> #include <linux/mm.h> @@ -96,9 +96,20 @@ void __ptrace_unlink(struct task_struct *child) */ if (!(child->flags & PF_EXITING) && (child->signal->flags & SIGNAL_STOP_STOPPED || - child->signal->group_stop_count)) + child->signal->group_stop_count)) { child->jobctl |= JOBCTL_STOP_PENDING; + /* + * This is only possible if this thread was cloned by the + * traced task running in the stopped group, set the signal + * for the future reports. + * FIXME: we should change ptrace_init_task() to handle this + * case. + */ + if (!(child->jobctl & JOBCTL_STOP_SIGMASK)) + child->jobctl |= SIGSTOP; + } + /* * If transition to TASK_STOPPED is pending or in TASK_TRACED, kick * @child in the butt. Note that @resume should be used iff @child |