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Make tcp/udp/icmp compute checksum safer for buffer-chain case
[vpp.git]
/
src
/
vnet
/
ip
/
ip6_forward.c
diff --git
a/src/vnet/ip/ip6_forward.c
b/src/vnet/ip/ip6_forward.c
index
f1f291d
..
6df3d4b
100644
(file)
--- a/
src/vnet/ip/ip6_forward.c
+++ b/
src/vnet/ip/ip6_forward.c
@@
-1011,7
+1011,7
@@
ip6_tcp_udp_icmp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0,
}
p0 = vlib_get_buffer (vm, p0->next_buffer);
data_this_buffer = vlib_buffer_get_current (p0);
- n_this_buffer =
p0->current_length
;
+ n_this_buffer =
clib_min (p0->current_length, n_bytes_left)
;
}
sum16 = ~ip_csum_fold (sum0);