On Sun, Nov 22, 2020 at 07:00:20AM -0600, Eric W. Biederman wrote:
> Cyrill Gorcunov writes:
...
> That is present in files_lookup_fd_rcu, so this code should
> be good from the warning side.
Indeed, thanks!
On Fri, Nov 20, 2020 at 05:14:28PM -0600, Eric W. Biederman wrote:
>
> diff --git a/fs/file.c b/fs/file.c
> index 5861c4f89419..6448523ca29e 100644
> --- a/fs/file.c
> +++ b/fs/file.c
> @@ -865,6 +865,21 @@ struct file *fget_task(struct task_struct *task,
> unsigned int fd)
> return file;
As a companion to lookup_fd_rcu implement task_lookup_fd_rcu for
querying an arbitrary process about a specific file.
Acked-by: Christian Brauner
v1: https://lkml.kernel.org/r/20200818103713.aw46m7vprsy4vlve@wittgenstein
Signed-off-by: "Eric W. Biederman"
---
fs/file.c | 15
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