[Bug 257218] pfi_ifnet leak on interface removal
Date: Fri, 16 Jul 2021 15:35:18 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=257218
Bug ID: 257218
Summary: pfi_ifnet leak on interface removal
Product: Base System
Version: 13.0-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: bugs@FreeBSD.org
Reporter: nreilly@blackberry.com
Created attachment 226498
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=226498&action=edit
Suggested diff
The detach of the interface and group were leaving pfi_ifnet memory behind.
Doing an unref on the kif frees it up if this is the last reference.
On interface detach, the group deletion was notified first and then a change
notification was sent. This would recreate the group in the kif layer. Reorder
the change to before the delete.
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