From 9055f2df7998292f3d22a431898695ab085d6d2a Mon Sep 17 00:00:00 2001
From: Igor Biletskyy <briskspirit@users.noreply.github.com>
Date: Sat, 27 Nov 2021 12:22:54 -0800
Subject: [PATCH] Extra check for tail_size length (#23047)

old-commit-hash: b2a018643fb3caa30e7baa5b6be61b8ec4b734f1
---
 selfdrive/boardd/panda.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/selfdrive/boardd/panda.cc b/selfdrive/boardd/panda.cc
index 6dc458a8c3..efe8555999 100644
--- a/selfdrive/boardd/panda.cc
+++ b/selfdrive/boardd/panda.cc
@@ -478,6 +478,7 @@ bool Panda::unpack_can_buffer(uint8_t *data, int size, std::vector<can_frame> &o
       } else {
         // Keep partial CAN packet until next USB packet
         tail_size = (chunk_len - pos);
+        assert(tail_size <= CANPACKET_MAX_SIZE);
         memcpy(tail, &chunk[pos], tail_size);
         break;
       }