diff options
| author |   Tao Chen <chentao.kernel@linux.alibaba.com> | 2022-09-24 22:13:34 +0800 |
|---|---|---|
| committer |   Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-09-27 14:48:26 -0400 |
| commit | dc399adecd4e2826868e5d116a58e33071b18346 (patch) | |
| tree | 835b70cea75db84a448f47e18fef2e73e868d765 /kernel/trace | |
| parent | x86: kprobes: Remove unused macro stack_addr (diff) | |
| download | linux-dev-dc399adecd4e2826868e5d116a58e33071b18346.tar.xz linux-dev-dc399adecd4e2826868e5d116a58e33071b18346.zip | |
tracing/eprobe: Fix alloc event dir failed when event name no set
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.
Link: https://lkml.kernel.org/r/1664028814-45923-1-git-send-email-chentao.kernel@linux.alibaba.com
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Cc: Linyu Yuan <quic_linyyuan@quicinc.com>
Cc: Tao Chen <chentao.kernel@linux.alibaba.com
Cc: stable@vger.kernel.org
Fixes: 95c104c378dc ("tracing: Auto generate event name when creating a group of events")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Tao Chen <chentao.kernel@linux.alibaba.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_eprobe.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c index 78299d3724a2..c08bde9871ec 100644 --- a/kernel/trace/trace_eprobe.c +++ b/kernel/trace/trace_eprobe.c @@ -1039,8 +1039,7 @@ 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; } |