Messages in this thread Patch in this message | | | From | Tao Chen <> | Subject | [PATCH] tracing/eprobe: Fix alloc event dir failed when event name no set | Date | Sun, 18 Sep 2022 20:29:08 +0800 |
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The event dir will alloc failed when event name no set, using the command: "echo "e:esys/ syscalls/sys_enter_openat file=\$filename:string" >> dynamic_events" It seems that dir name="syscalls/sys_enter_openat" is not allowed in debugfs. So just use the "sys_enter_openat" as the event name.
Fixes: 7491e2c44278 ("tracing: Add a probe that attaches to trace events") Signed-off-by: Tao Chen <chentao.kernel@linux.alibaba.com> --- kernel/trace/trace_eprobe.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c index 1783e3478912..a8938e54cd34 100644 --- a/kernel/trace/trace_eprobe.c +++ b/kernel/trace/trace_eprobe.c @@ -968,8 +968,7 @@ static int __trace_eprobe_create(int argc, const char *argv[]) } if (!event) { - strscpy(buf1, argv[1], MAX_EVENT_NAME_LEN); - sanitize_event_name(buf1); + strscpy(buf1, sys_event, MAX_EVENT_NAME_LEN); event = buf1; } -- 2.32.0
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