[Bug 274875] A possible null-pointer dereference caused by a data race in sys/geom/gate/g_gate.c

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 274875] A possible null-pointer dereference caused by a data race in sys/geom/gate/g_gate.c"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 02 Nov 2023 23:56:21 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274875

Mark Johnston <markj@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |markj@FreeBSD.org

--- Comment #1 from Mark Johnston <markj@FreeBSD.org> ---
The geom topology lock synchronizes relevant accesses to sc->sc_readcons.  In
particular, dumpconf is invoked with the topology lock held, and this lock is
also held when clearing sc_readcons.  Why do you think that there is a race?

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