[Bug 294186] Kernel panic on jail remove after netgraph node removal

[email protected] Thu, 02 Apr 2026 03:05:23 +0000

Newsgroups	gmane.os.freebsd.devel.net
Message-ID	<[email protected]/bugzilla/>

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294186

Zhenlei Huang <[email protected]> changed:

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                 CC|                            |[email protected]

--- Comment #4 from Zhenlei Huang <[email protected]> ---
I believe this duplicates PR 292993.

The root cause is, the netgraph detach ( if_detach() ) is racing with
if_vmove(). If if_detach() wins, then if_vmove() will attach a detached
interface, then boom.

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