From: Christian Brauner (Microsoft) <brauner@xxxxxxxxxx>
On Tue, 07 Mar 2023 16:21:06 +0100, David Disseldorp wrote:
> The watch_queue_set_size() allocation error paths return the ret value
> set via the prior pipe_resize_ring() call, which will always be zero.
>
> As a result, IOC_WATCH_QUEUE_SET_SIZE callers such as "keyctl watch"
> fail to detect kernel wqueue->notes allocation failures and proceed to
> KEYCTL_WATCH_KEY, with any notifications subsequently lost.
>
> [...]
Unless someone got to it before me, I've now picked this up:
[1/1] watch_queue: fix IOC_WATCH_QUEUE_SET_SIZE alloc error paths
commit: 03e1d60e177eedbd302b77af4ea5e21b5a7ade31
Thanks!
Christian
