diff options
| author |   Benoît Ganne <bganne@cisco.com> | 2024-04-09 12:03:53 +0200 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2024-04-11 01:06:03 +0000 |
| commit | 11f7965350e78ebe12442f8b165bfc721f3c39e2 (patch) | |
| tree | 20560a41930f88d75a18af94a2507e1bbd1f9819 | |
| parent | aa78631d755bf9f55532935599b9964f943a27f3 (diff) | |
tcp: check for header truncation
Type: fix
Change-Id: I0a43a37971d03a700926d59e848f0b6e6dbeb19a
Signed-off-by: Benoît Ganne <bganne@cisco.com>
| -rw-r--r-- | src/vnet/tcp/tcp_format.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_format.c b/src/vnet/tcp/tcp_format.c index 751042ce1cd..4674f2cbaed 100644 --- a/src/vnet/tcp/tcp_format.c +++ b/src/vnet/tcp/tcp_format.c @@ -139,7 +139,9 @@ format_tcp_header (u8 * s, va_list * args) clib_net_to_host_u16 (tcp->window), clib_net_to_host_u16 (tcp->checksum)); - if (tcp_options_parse (tcp, &opts, tcp_is_syn (tcp)) < 0) + if (header_bytes > max_header_bytes) + s = format (s, "\n%Uoptions: truncated", format_white_space, indent); + else if (tcp_options_parse (tcp, &opts, tcp_is_syn (tcp)) < 0) s = format (s, "\n%Uoptions: parsing failed", format_white_space, indent); else s = format (s, "\n%U%U", format_white_space, indent, format_tcp_options, |