On Fri, 2017-07-28 at 10:15 +0200, Paolo Abeni wrote: > Hi, > > On Fri, 2017-07-28 at 01:05 -0700, Eric Dumazet wrote:
> I think that the leaked sockets are still unhashed on close() (via > udp_lib_close() -> sk_common_release() ->sk_proto->unhash()), so they > should not be listed there ?!? (Rush answer, subject to lack of coffee > issues) If the daemon is still running, sockets are not closed and we can watch refcount being increased. We can see this even on an UDP_RR workload (no UDP flood at all) lpk51:~# while : > do > ./super_netperf 10 -H 2002:af6:b34:: -t UDP_RR -l 1 -- -N > done lpk52:~# cat /proc/net/udp6|grep -v " 2 " sl local_address remote_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode ref pointer drops 293: F60A02200000340B0000000000000000:F0A9 F60A02200000330B0000000000000000:AB11 01 00000000:00000000 00:00000000 00000000 0 0 583763 387 ffff880ddb862c00 0 3251: F60A02200000340B0000000000000000:FC37 F60A02200000330B0000000000000000:EA7F 01 00000000:00000000 00:00000000 00000000 0 0 586126 356 ffff880dd25a7940 0 4043: F60A02200000340B0000000000000000:FF4F F60A02200000330B0000000000000000:9A35 01 00000500:00000000 00:00000000 00000000 0 0 583760 409 ffff880ddb863180 0 7832: F60A02200000340B0000000000000000:8E1C F60A02200000330B0000000000000000:DEC1 01 00000000:00000000 00:00000000 00000000 0 0 583766 387 ffff880ddb863700 0 8568: F60A02200000340B0000000000000000:90FC F60A02200000330B0000000000000000:8A60 01 00000000:00000000 00:00000000 00000000 0 0 580369 379 ffff880d9e7b2700 0 13085: F60A02200000340B0000000000000000:A2A1 F60A02200000330B0000000000000000:CDB3 01 00000000:00000000 00:00000000 00000000 0 0 586915 397 ffff880e31994140 0 14975: F60A02200000340B0000000000000000:AA03 F60A02200000330B0000000000000000:9C71 01 00000000:00000000 00:00000000 00000000 0 0 586123 355 ffff880d9d1baec0 0 15155: F60A02200000340B0000000000000000:AAB7 F60A02200000330B0000000000000000:D324 01 00000000:00000000 00:00000000 00000000 0 0 583769 367 ffff880dd88141c0 0 25421: F60A02200000340B0000000000000000:D2D1 F60A02200000330B0000000000000000:CA33 01 00000000:00000000 00:00000000 00000000 0 0 586120 424 ffff880dfda4b0c0 0 28774: F60A02200000340B0000000000000000:DFEA F60A02200000330B0000000000000000:DD05 01 00000500:00000000 00:00000000 00000000 0 0 583757 411 ffff880ddb862680 0
