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-rw-r--r--kernel/ptrace.c2
-rw-r--r--kernel/signal.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 61db50f7ca86..821cf1723814 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -375,7 +375,7 @@ static int ptrace_attach(struct task_struct *task, long request,
audit_ptrace(task);
retval = -EPERM;
- if (unlikely(task->flags & PF_KTHREAD))
+ if (unlikely(task->flags & (PF_KTHREAD | PF_IO_WORKER)))
goto out;
if (same_thread_group(task, current))
goto out;
diff --git a/kernel/signal.c b/kernel/signal.c
index 5ad8566534e7..ba4d1ef39a9e 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -91,7 +91,7 @@ static bool sig_task_ignored(struct task_struct *t, int sig, bool force)
return true;
/* Only allow kernel generated signals to this kthread */
- if (unlikely((t->flags & PF_KTHREAD) &&
+ if (unlikely((t->flags & (PF_KTHREAD | PF_IO_WORKER)) &&
(handler == SIG_KTHREAD_KERNEL) && !force))
return true;
@@ -1096,7 +1096,7 @@ static int __send_signal(int sig, struct kernel_siginfo *info, struct task_struc
/*
* Skip useless siginfo allocation for SIGKILL and kernel threads.
*/
- if ((sig == SIGKILL) || (t->flags & PF_KTHREAD))
+ if ((sig == SIGKILL) || (t->flags & (PF_KTHREAD | PF_IO_WORKER)))
goto out_set;
/*