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Andrii Sultanov fb83c2354b tools/ocaml/xb: Fix handling of requests with len = 0 for socket connections 
Without this fix, the backend would be stuck waiting on the zero-sized
body until the next request comes in.

Instead return the request immediately after reading the header, there's
no need to wait for another call to .has_more_input and .input

Reported-by: George Dunlap <dunlapg@umich.edu>
Link: https://lore.kernel.org/xen-devel/CAFLBxZaeTMcF4tcV45MJdCVx4A6qbzQdjKei_Quh_iLrtARVFA@mail.gmail.com/
Signed-off-by: Andrii Sultanov <andriy.sultanov@vates.tech>
Reviewed-by: Guillaume Thouvenin <guillaume.thouvenin@vates.tech>
Release-Acked-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
(cherry picked from commit 7b98d94e75)
 2026-07-14 13:35:24 +01:00
Andrii Sultanov af9e77f5ff tools/oxenstored: Reset quota when resetting permissions 
The quota object contains both limits and the current node usage counts.

When a domain is torn down, the node data itself is cleaned up but the node
usage counts are not.  A later domain reusing the same domid can create fewer
nodes before being deemed to be over quota.

Reset the count when the node permissions are cleaned up.

This is XSA-483 / CVE-2026-23556.

Signed-off-by: Andrii Sultanov <andriy.sultanov@vates.tech>
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
 2026-04-28 13:41:32 +01:00