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kernel: treat PF_IO_WORKER like PF_KTHREAD for ptrace/signals
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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parent
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@ -375,7 +375,7 @@ static int ptrace_attach(struct task_struct *task, long request,
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audit_ptrace(task);
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retval = -EPERM;
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if (unlikely(task->flags & PF_KTHREAD))
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if (unlikely(task->flags & (PF_KTHREAD | PF_IO_WORKER)))
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goto out;
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if (same_thread_group(task, current))
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goto out;
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@ -91,7 +91,7 @@ static bool sig_task_ignored(struct task_struct *t, int sig, bool force)
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return true;
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/* Only allow kernel generated signals to this kthread */
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if (unlikely((t->flags & PF_KTHREAD) &&
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if (unlikely((t->flags & (PF_KTHREAD | PF_IO_WORKER)) &&
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(handler == SIG_KTHREAD_KERNEL) && !force))
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return true;
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@ -1096,7 +1096,7 @@ static int __send_signal(int sig, struct kernel_siginfo *info, struct task_struc
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/*
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* Skip useless siginfo allocation for SIGKILL and kernel threads.
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*/
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if ((sig == SIGKILL) || (t->flags & PF_KTHREAD))
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if ((sig == SIGKILL) || (t->flags & (PF_KTHREAD | PF_IO_WORKER)))
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goto out_set;
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/*
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