Re: [PATCH] iommu: Fix NULL pointer deref when io_page_fault tracepoint fires
From: Daniel Thompson <hidden>
Date: 2026-01-19 14:39:32
Also in:
linux-arm-kernel, lkml
From: Daniel Thompson <hidden>
Date: 2026-01-19 14:39:32
Also in:
linux-arm-kernel, lkml
On Fri, Jan 16, 2026 at 05:02:35PM +0100, Markus Elfring wrote:
…quoted
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?
I could add a
Fixes: f8f934c180f6 ("iommu/arm-smmu: Add support for driver IOMMU fault handlers")
However, who do you think I neglected to Cc:?
* Would a summary phrase like “Prevent null pointer dereference for a tracepoint” be a bit nicer?
I don't understand what is wrong with the original phrasing. Can you explain why this change matters to you? Daniel.