FRR Release 8.5.3

FRR Release 8.5.3

Bug Fixes:

bgpd
    Add peers back to peer hash when peer_xfer_conn fails
    Do not explicitly print maxttl value for ebgp-multihop vty output
    Do not process nlris if the attribute length is zero
    Do not try to redistribute routes if we are shutting down
    Don't read the first byte of orf header if we are ahead of stream
    Evpn code was not properly unlocking rd_dest
    Fix `show bgp all rpki notfound`
    Fix session reset issue caused by malformed core attributes
    Free bgp vpn policy
    Free previously dup'ed aspath attribute for aggregate routes
    Free temporary memory after using argv_concat()
    Intern attributes before putting into rib-out
    Make sure we have enough data to read two bytes when validating aigp
    Prevent use after free
    Rfapi memleak fixes, clean ce tables at exit
    Unlock dest if we return earlier for aggregate install
    Use treat-as-withdraw for tunnel encapsulation attribute

lib
    Allow unsetting walltime-warning and cpu-warning
    Skip route-map optimization if !af_inet(6)
    Use max_bitlen instead of magic number

ospf6d
    Fix crash because neighbor structure was freed
    Stop crash in ospf6_write

ospfd
    Check for nulls in vty code
    Prevent use after free( and crash of ospf ) when no router ospf

pbrd
    Fix crash with match command

pimd
    Prevent crash when receiving register message when the rp() is unknown
    When receiving a packet be more careful with length in pim_pim_packet

ripd, ripngd
    Revert "Cleanup memory allocations on shutdown"

tools
    Add what frr thinks as the fib routes for support_bundle

vtysh
    Print uniq lines when parsing `no service ...`

zebra
    Abstract `dplane_ctx_route_init` to init route without copying
    Fix crash when `dplane_fpm_nl` fails to process received routes
    Further handle route replace semantics
    Fix command ipv6 nht xxx
    Fix evpn nexthop config order

Signed-off-by: Jafar Al-Gharaibeh <jafar@atcorp.com>