Commit 55a000551819 for kernel

commit 55a0005518195fdea1fd2991b07644f8dc97ea8e
Author: Vincent Donnefort <vdonnefort@google.com>
Date:   Fri May 15 21:16:16 2026 +0100

    tracing: Fix desc in error path for the trace remote test module

    During initialisation in remote_test_load(), if one of the
    simple_ring_buffer fails to initialise, the error path attempts to
    rollback initialised buffers. However, the rollback incorrectly uses the
    global pointer to the trace descriptor, which is only set upon
    successful load completion. Fix the error path by using the local
    pointer to the descriptor.

    Link: https://patch.msgid.link/20260515201616.337469-1-vdonnefort@google.com
    Fixes: ea908a2b79c8 ("tracing: Add a trace remote module for testing")
    Reported-by: Sashiko <sashiko-bot@kernel.org>
    Signed-off-by: Vincent Donnefort <vdonnefort@google.com>

    base-commit: 5d6919055dec134de3c40167a490f33c74c12581
    Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/remote_test.c b/kernel/trace/remote_test.c
index 6c1b7701ddae..a3e2c9b606eb 100644
--- a/kernel/trace/remote_test.c
+++ b/kernel/trace/remote_test.c
@@ -110,9 +110,9 @@ static struct trace_buffer_desc *remote_test_load(unsigned long size, void *unus
 	return remote_test_buffer_desc;

 err_unload:
-	for_each_ring_buffer_desc(rb_desc, cpu, remote_test_buffer_desc)
+	for_each_ring_buffer_desc(rb_desc, cpu, desc)
 		remote_test_unload_simple_rb(rb_desc->cpu);
-	trace_remote_free_buffer(remote_test_buffer_desc);
+	trace_remote_free_buffer(desc);

 err_free_desc:
 	kfree(desc);