ipng/lcpng
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Fix crash when vlib_buffer_copy() fails - also sent upstream in https://gerrit.fd.io/r/c/vpp/+/33606

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Pim van Pelt
2021-08-26 16:43:13 +02:00
parent 45f4088656
commit a474d09a9e
1 changed files with 24 additions and 12 deletions
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18
lcpng_if_node.c
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@ -675,10 +675,14 @@ VLIB_NODE_FN (lcp_arp_phy_node)
c0 = vlib_buffer_copy (vm, b0); c0 = vlib_buffer_copy (vm, b0);
vlib_buffer_advance (b0, len0); vlib_buffer_advance (b0, len0);
if (c0)
{
/* Send to the host */ /* Send to the host */
vnet_buffer (c0)->sw_if_index[VLIB_TX] = vnet_buffer (c0)->sw_if_index[VLIB_TX] =
lip0->lip_host_sw_if_index; lip0->lip_host_sw_if_index;
reply_copies[n_copies++] = vlib_get_buffer_index (vm, c0); reply_copies[n_copies++] =
vlib_get_buffer_index (vm, c0);
}
} }
} }
if (arp1->opcode == clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_reply)) if (arp1->opcode == clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_reply))
@ -703,10 +707,14 @@ VLIB_NODE_FN (lcp_arp_phy_node)
c1 = vlib_buffer_copy (vm, b1); c1 = vlib_buffer_copy (vm, b1);
vlib_buffer_advance (b1, len1); vlib_buffer_advance (b1, len1);
if (c1)
{
/* Send to the host */ /* Send to the host */
vnet_buffer (c1)->sw_if_index[VLIB_TX] = vnet_buffer (c1)->sw_if_index[VLIB_TX] =
lip1->lip_host_sw_if_index; lip1->lip_host_sw_if_index;
reply_copies[n_copies++] = vlib_get_buffer_index (vm, c1); reply_copies[n_copies++] =
vlib_get_buffer_index (vm, c1);
}
} }
} }
@ -775,10 +783,14 @@ VLIB_NODE_FN (lcp_arp_phy_node)
c0 = vlib_buffer_copy (vm, b0); c0 = vlib_buffer_copy (vm, b0);
vlib_buffer_advance (b0, len0); vlib_buffer_advance (b0, len0);
if (c0)
{
/* Send to the host */ /* Send to the host */
vnet_buffer (c0)->sw_if_index[VLIB_TX] = vnet_buffer (c0)->sw_if_index[VLIB_TX] =
lip0->lip_host_sw_if_index; lip0->lip_host_sw_if_index;
reply_copies[n_copies++] = vlib_get_buffer_index (vm, c0); reply_copies[n_copies++] =
vlib_get_buffer_index (vm, c0);
}
} }
} }