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| author | Ingo Molnar <mingo@kernel.org> | 2018-03-10 10:19:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-03-10 10:19:28 +0100 |
| commit | d88f1f1fdb9f8f60602b406c89342e113a19df7f (patch) | |
| tree | 16da02010b66f7f54fde737c5c54e43980789f79 /kernel/trace/bpf_trace.c | |
| parent | 04860d48a8aba5b21ae5ba1f86b0d4e3bc628fff (diff) | |
| parent | cdb06e9d8f520c969676e7d6778cffe5894f079f (diff) | |
Merge branch 'linus' into locking/core, to pick up fixes and dependencies
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/bpf_trace.c')
| -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, |