[LU-16575] UDSP memory leak

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Chris Horn
• Reporter: Chris Horn

Description

There is a small memory leak reported by libcfs when using udsp.

[root@el8-mds2 ~]# dmesg -C
[root@el8-mds2 ~]# start.sh
insmod /home/hornc/lustre-wc-rel/libcfs/libcfs/libcfs.ko
insmod /home/hornc/lustre-wc-rel/lnet/lnet/lnet.ko
insmod /home/hornc/lustre-wc-rel/lnet/klnds/socklnd/ksocklnd.ko
debug=+net malloc
[root@el8-mds2 ~]# lnetctl udsp add --src tcp --priority 1
[root@el8-mds2 ~]# lustre_rmmod
[root@el8-mds2 ~]# dmesg | tail
[66520.595537] LNet: HW NUMA nodes: 1, HW CPU cores: 2, npartitions: 1
[66520.600543] alg: No test for adler32 (adler32-zlib)
[66521.319208] Key type ._llcrypt registered
[66521.319558] Key type .llcrypt registered
[66531.530270] LNet: 26041:0:(lib-ptl.c:956:lnet_clear_lazy_portal()) Active lazy portal 0 on exit
[66531.580271] Key type .llcrypt unregistered
[66531.581053] Key type ._llcrypt unregistered
[66531.586086] LNetError: 26089:0:(module.c:948:libcfs_exit()) Portals memory leaked: 32 bytes
[root@el8-mds2 ~]#