[Bug 296348] efi: Panic in efidev_ioctl / efirt.c

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 15 Jul 2026 14:46:01 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296348

Ahmad Khalifa <vexeduxr@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alc@FreeBSD.org,
                   |                            |jhb@FreeBSD.org,
                   |                            |kib@FreeBSD.org,
                   |                            |markj@FreeBSD.org

--- Comment #9 from Ahmad Khalifa <vexeduxr@FreeBSD.org> ---
(In reply to Anton Saietskii from comment #7)

I'm not sure I'd blame the firmware for this.

I was thinking maybe we were passing an abnormally long length to physcopyout,
but the call seems fairly innocent.

This may be a bug in the VM subsystem, I'll CC some people who know more about
it than I do.

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