Unportable left shift reported with MKSANITIZER=yes USE_SANITIZER=undefined:
# ifconfig
alc0: flags=0x8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ec_capabilities=3<VLAN_MTU,VLAN_HWTAGGING>
ec_enabled=0
address: xx:xx:xx:xx:xx:xx
/public/src.git/sbin/ifconfig/af_inet.c:102:34: runtime error: left shift of 16777215 by 8 places cannot be represented in type 'int'
inet 192.168.0.38/24 broadcast 192.168.0.255 flags 0x0
inet6 xxxx::xxxx:xxxx:xxxx:xxx%alc0/64 flags 0x0 scopeid 0x1
lo0: flags=0x8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33624
inet 127.0.0.1/8 flags 0x0
inet6 ::1/128 flags 0x20<NODAD>
inet6 fe80::1%lo0/64 flags 0x0 scopeid 0x2
Change shifting left 1 to shifting 1U. This corrects the issue.
if (cidr < 32) { /* more than 1 bit in mask */
/* check for non-contig netmask */
if ((mask ^ (((1 << cidr) - 1) << (32 - cidr))) != 0) // <- here
return -1; /* noncontig, no pfxlen */
}
Solution suggested by <uwe>
Sponsored by <The NetBSD Foundation>
5f51a87ea5