diff options
| author |   John Lo <loj@cisco.com> | 2016-04-27 09:56:36 -0400 |
|---|---|---|
| committer | John Lo <loj@cisco.com> | 2016-04-27 09:56:36 -0400 |
| commit | 644ec43b5e82cf682698c0efb5d5bb24cbe75849 (patch) | |
| tree | 0ddbf8bf92caf6f4cd4f3c9d8457dbbf9e6bb2b9 | |
| parent | 7afda3aee55bb25a274c3d1da48589a82d8c6d3b (diff) | |
Fix pcap trace capture crash for packets > 512 bytes
Change-Id: I9397ac756290953a14e3adfe5b7c980ecf92bac2
Signed-off-by: John Lo <loj@cisco.com>
| -rw-r--r-- | vnet/vnet/unix/pcap.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/vnet/vnet/unix/pcap.h b/vnet/vnet/unix/pcap.h index e7bb218d506..563eafc102b 100644 --- a/vnet/vnet/unix/pcap.h +++ b/vnet/vnet/unix/pcap.h @@ -169,7 +169,8 @@ pcap_add_buffer (pcap_main_t * pm, d = pcap_add_packet (pm, time_now, n_bytes_in_trace, n_left); while (1) { - clib_memcpy (d, b->data + b->current_data, b->current_length); + u32 copy_length = clib_min ((u32) n_left, b->current_length); + clib_memcpy (d, b->data + b->current_data, copy_length); n_left -= b->current_length; if (n_left <= 0) break; |