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| author | Zheng Yejian <zhengyejian1@huawei.com> | 2022-12-07 04:46:35 +0100 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-12-10 19:36:04 +0100 |
| commit | 2cc6a528882d0e0ccbc1bca5f95b8c963cedac54 (patch) | |
| tree | fc33e72f9f2e28cbfe15b9508fa5b3e41b67a269 /kernel/trace/trace_events_hist.c | |
| parent | x86/mm/kmmio: Use rcu_read_lock_sched_notrace() (diff) | |
| download | linux-2cc6a528882d0e0ccbc1bca5f95b8c963cedac54.tar.xz linux-2cc6a528882d0e0ccbc1bca5f95b8c963cedac54.zip | |
tracing/hist: Fix wrong return value in parse_action_params()
When number of synth fields is more than SYNTH_FIELDS_MAX,
parse_action_params() should return -EINVAL.
Link: https://lore.kernel.org/linux-trace-kernel/20221207034635.2253990-1-zhengyejian1@huawei.com
Cc: <mhiramat@kernel.org>
Cc: <zanussi@kernel.org>
Cc: stable@vger.kernel.org
Fixes: c282a386a397 ("tracing: Add 'onmatch' hist trigger action support")
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events_hist.c')
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index a0cd118af527..b4ad86c22b43 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -3609,6 +3609,7 @@ static int parse_action_params(struct trace_array *tr, char *params, while (params) { if (data->n_params >= SYNTH_FIELDS_MAX) { hist_err(tr, HIST_ERR_TOO_MANY_PARAMS, 0); + ret = -EINVAL; goto out; } |