Re: [PATCH v2 1/3] tracing/remotes: Fix leak in trace_remote_alloc_buffer() error path

[Steven Rostedt]

On Thu,  9 Jul 2026 17:00:15 +0100
Vincent Donnefort <vdonnefort@xxxxxxxxxx> wrote:

> If page allocation fails in trace_remote_alloc_buffer(), desc->nr_cpus
> is not yet incremented for the current CPU. As a consequence, on error,
> half-allocated rb_desc will not be freed in trace_remote_free_buffer().
> 
> Increment desc->nr_cpus as soon as the first allocation for the current
> CPU has succeeded.
> 
> Fixes: 96e43537af54 ("tracing: Introduce trace remotes")
> Reported-by: Sashiko <sashiko-bot@xxxxxxxxxx>
> Signed-off-by: Vincent Donnefort <vdonnefort@xxxxxxxxxx>

This patch makes Sashiko find other possible issues with the code :-p

  https://sashiko.dev/#/patchset/20260709160017.1729517-2-vdonnefort%40google.com

-- Steve