Commit 6fb8f43c authored by Jens Axboe's avatar Jens Axboe

kernel: treat PF_IO_WORKER like PF_KTHREAD for ptrace/signals

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 4727dc20
......@@ -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;
......
......@@ -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;
/*
......
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