What were you trying to do that didn't work?

Jan 08 15:04:34 pueo.cora.nwra.com automount[384639]: double free or corruption (out)
Jan 11 17:48:54 pueo.cora.nwra.com automount[566924]: double free or corruption (fasttop)
Jan 16 14:11:24 pueo.cora.nwra.com automount[185379]: double free or corruption (fasttop)
Jan 19 07:30:22 pueo.cora.nwra.com automount[97010]: double free or corruption (fasttop)

What is the impact of this issue to you?

Minor, it recovers

Please provide the package NVR for which the bug is seen:

autofs-5.1.7-65.el9.x86_64

How reproducible is this bug?:

not sure.  Seems to be related to restarting and reloading in quick succession, e.g.:

Dec 01 10:28:55 pueo.cora.nwra.com systemd[1]: Starting Automounts filesystems on demand...
Dec 01 10:28:59 pueo.cora.nwra.com systemd[1]: Started Automounts filesystems on demand.
Dec 01 10:29:01 pueo.cora.nwra.com systemd[1]: Reloading Automounts filesystems on demand...
Dec 01 10:29:01 pueo.cora.nwra.com systemd[1]: Reloaded Automounts filesystems on demand.
Dec 01 10:29:01 pueo.cora.nwra.com automount[190161]: double free or corruption (out)

Steps to reproduce

1. systemctl restart aufos
2. systemctl reload autofs
3.  

Expected results

No crashes

Actual results

Dec 01 10:28:55 pueo.cora.nwra.com systemd[1]: Starting Automounts filesystems on demand...
Dec 01 10:28:59 pueo.cora.nwra.com systemd[1]: Started Automounts filesystems on demand.
Dec 01 10:29:01 pueo.cora.nwra.com systemd[1]: Reloading Automounts filesystems on demand...
Dec 01 10:29:01 pueo.cora.nwra.com systemd[1]: Reloaded Automounts filesystems on demand.
Dec 01 10:29:01 pueo.cora.nwra.com automount[190161]: double free or corruption (out)