[Bug 276341] zfs panic: VERIFY3(rc->rc_count == number) failed

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 15 Jan 2024 00:41:26 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276341

Mark Johnston <markj@FreeBSD.org> changed:

           What    |Removed                     |Added
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             Status|New                         |Open
                 CC|                            |markj@FreeBSD.org,
                   |                            |mav@FreeBSD.org

--- Comment #1 from Mark Johnston <markj@FreeBSD.org> ---
I just hit this panic with syzkaller as well.  This seems like a somewhat
recent regression.

The panic arises in arc_state_fini():

  zfs_refcount_destroy(&arc_anon->arcs_size[ARC_BUFC_DATA]);

A previous

  zfs_refcount_destroy(&arc_anon->arcs_esize[ARC_BUFC_METADATA]);

succeeded.

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