[Bug 285813] Panic (NULL deref) in arptimer

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From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 02 Apr 2025 14:54:59 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285813

--- Comment #6 from Mark Johnston <markj@FreeBSD.org> ---
(In reply to Peter Blok from comment #5)
The problem isn't in the rwlock code.  The value of the lock is RW_DESTROYED,
i.e., the lock is in an invalid state, and yet arptimer() is trying to lock it
anyway.  That represents a bug in the ARP/l2addr code.

Which revision of stable/14 were you running when the crash happened?

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