[VPP-1729] FIB Path list DB key does use some flags

[vvalderrv]

Description

example CLI:

vppctl abf policy add id 9001 acl 0 via 100.100.100.2 GigabitEthernet4/0/0

vppctl abf attach ip4 policy 9001 priority 1 GigabitEthernet3/0/0

vppctl ip route add 8.8.8.0/24 via 100.100.100.2 GigabitEthernet4/0/0

core:

received signal SIGSEGV, PC 0x7f51a1b60160, faulting address 0x7f61608d8814

#0 0x00007f51a0fde0db 0x7f51a0fde0db

#1 0x00007f51a0904890 0x7f51a0904890

#2 0x00007f51a1b60160 fib_urpf_list_lock + 0x10

#3 0x00007f51a1b5408f fib_entry_src_mk_lb + 0x1bf

#4 0x00007f51a1b54391 fib_entry_src_action_install + 0x131

#5 0x00007f51a1b51691 fib_entry_create + 0x71

#6 0x00007f51a1b486b8 fib_table_entry_update + 0x1c8

#7 0x00007f51a1b6398e fib_api_route_add_del + 0x7e

#8 0x00007f51a1879e3f vl_api_ip_route_add_del_t_handler + 0x21f

#9 0x00007f51a1f26d8c vl_msg_api_handler_with_vm_node + 0x8c

#10 0x00007f51a1f0b815 vl_mem_api_handle_msg_main + 0x45

#11 0x00007f51a1f1b38d 0x7f51a1f1b38d

#12 0x00007f51a0f92ea6 0x7f51a0f92ea6

#13 0x00007f51a04818bc 0x7f51a04818bc

reason:

the ABF policy creates a path-list that does not generate a uRPF list, the route shares the same path-list and expects it to have one.

fix:

add path list flags to the shared path-list DB key.

Assignee

Unassigned

Reporter

Neale Ranns

Comments

No comments.

Original issue: https://jira.fd.io/browse/VPP-1729

[vvalderrv]

Jira Date Created: Tue, 30 Jul 2019 08:01:55 +0000
Jira Date Updated: Tue, 30 Jul 2019 08:01:55 +0000