[Bug 286530] panic during kldload if network drivers (if_vr, if_re) in ether_ifattach -> rtnl_handle_ifevent -> ifmedia_ioctl -> NULL ifm_status

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286530

--- Comment #3 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=68e73f03655c308442a8354ee2c040df23f234b6

commit 68e73f03655c308442a8354ee2c040df23f234b6
Author:     Adrian Chadd <adrian@FreeBSD.org>
AuthorDate: 2025-05-03 15:41:56 +0000
Commit:     Adrian Chadd <adrian@FreeBSD.org>
CommitDate: 2025-05-07 04:22:18 +0000

    sys: don't panic on ifm_status being NULL

    Some ethernet drivers that use miibus aren't probe/attaching the
    miibus early enough for the ifioctl path to correctly run without
    panicing.

    Although yes, the drivers do need fixing, this stops them from
    immediately panicing the kernel when they're loaded.

    PR: kern/286530
    Differential Revision:  https://reviews.freebsd.org/D50136
    Reviewed by:    jhb

 sys/net/if_media.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

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