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| author | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2024-12-11 01:10:55 +0100 |
|---|---|---|
| committer | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2024-12-23 16:08:13 +0100 |
| commit | d685d55dfc86b1a4bdcec77c3c1f8a83f181264e (patch) | |
| tree | bd4af4c63fc16f484ca48d654a2cf1f2411d5623 /kernel | |
| parent | tracing/eprobe: Fix to release eprobe when failed to add dyn_event (diff) | |
| download | linux-d685d55dfc86b1a4bdcec77c3c1f8a83f181264e.tar.xz linux-d685d55dfc86b1a4bdcec77c3c1f8a83f181264e.zip | |
tracing/kprobe: Make trace_kprobe's module callback called after jump_label update
Make sure the trace_kprobe's module notifer callback function is called
after jump_label's callback is called. Since the trace_kprobe's callback
eventually checks jump_label address during registering new kprobe on
the loading module, jump_label must be updated before this registration
happens.
Link: https://lore.kernel.org/all/173387585556.995044.3157941002975446119.stgit@devnote2/
Fixes: 614243181050 ("tracing/kprobes: Support module init function probing")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace_kprobe.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 263fac44d3ca..935a886af40c 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -725,7 +725,7 @@ static int trace_kprobe_module_callback(struct notifier_block *nb, static struct notifier_block trace_kprobe_module_nb = { .notifier_call = trace_kprobe_module_callback, - .priority = 1 /* Invoked after kprobe module callback */ + .priority = 2 /* Invoked after kprobe and jump_label module callback */ }; static int trace_kprobe_register_module_notifier(void) { |