Re: [PATCH v5 1/5] tracing/kprobes: Fix to free objects when failed to copy a symbol
From: Steven Rostedt <rostedt@goodmis.org>
Date: 2025-01-08 15:07:05
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On Wed, 8 Jan 2025 11:10:46 +0900 "Masami Hiramatsu (Google)" [off-list ref] wrote:
From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
In __trace_kprobe_create(), if something fails it must goto error block
to free objects. But when strdup() a symbol, it returns without that.
Fix it to goto the error block to free objects correctly.
Fixes: 6212dd29683e ("tracing/kprobes: Use dyn_event framework for kprobe events")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
kernel/trace/trace_kprobe.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org> -- Steve