Re: [PATCH] iommu: Fix NULL pointer deref when io_page_fault tracepoint fires

From: Markus Elfring

Date: Fri Jan 16 2026 - 11:02:47 EST



> Fix this by adding logic to the tracepoint to safely propagate NULL.

* How do you think about to add any tags (like “Fixes” and “Cc”) accordingly?

* Would a summary phrase like “Prevent null pointer dereference for a tracepoint”
be a bit nicer?


Regards,
Markus