Re: [PATCH] cachefiles: fix out-of-bounds read in coherency trace

From: David Howells

Date: Thu Aug 27 2026 - 03:35:05 EST


Thanks, but I have a patch for this. See patch 9 here:

https://lore.kernel.org/linux-fsdevel/20260825132045.1000787-1-dhowells@xxxxxxxxxx/

I don't want to call memcpy() like this just for the purposes of a tracepoint
that is almost certainly not actually be active.

You're also moving buf->content into a variable rather than using it directly
- is there a reason for that?

David