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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-03-14 20:37:31 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-03-14 20:37:31 +0100 |
| commit | b0d8bef8ed805ca92eb91e86acf3ce89cbebc8ce (patch) | |
| tree | 8838391a76f0cf75ffcd31166996d03d19c580a6 /kernel/trace | |
| parent | 82b691bedf05f258f1c86c96ee574b0d7795c0a1 (diff) | |
| parent | fc6eabbbf8ef99efed778dd5afabc83c21dba585 (diff) | |
Merge branch 'linus' into irq/core to pick up dependencies.
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/bpf_trace.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index fc2838ac8b78..c0a9e310d715 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -872,6 +872,8 @@ int perf_event_query_prog_array(struct perf_event *event, void __user *info) return -EINVAL; if (copy_from_user(&query, uquery, sizeof(query))) return -EFAULT; + if (query.ids_len > BPF_TRACE_MAX_PROGS) + return -E2BIG; mutex_lock(&bpf_event_mutex); ret = bpf_prog_array_copy_info(event->tp_event->prog_array, |