Re: [GIT PULL] tracing: Fixes for v6.17

[Steven Rostedt]

On Fri, 22 Aug 2025 17:08:08 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> > 
> > If there is any other information I can provide or patches I can test, I
> > am happy to do so.  
> 
> Can you send me your .config file?

Actually, can you see if this fixes the bug you are seeing?

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index f992a5eb878e..2b570e057ba3 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -4662,7 +4662,8 @@ ftrace_regex_open(struct ftrace_ops *ops, int flag,
 			iter->hash = alloc_and_copy_ftrace_hash(size_bits, hash);
 		}
 	} else {
-		iter->hash = alloc_and_copy_ftrace_hash(hash->size_bits, hash);
+		if (hash)
+			iter->hash = alloc_and_copy_ftrace_hash(hash->size_bits, hash);
 	}
 
 	if (!iter->hash) {


-- Steve