[Bug 240608] if_vmx(4): iflib - Panic with INVARIANTS: Memory modified after free (12.1-pre-QA)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Jan 16 09:05:36 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240608

--- Comment #12 from Andriy Gapon <avg at FreeBSD.org> ---
Also, to be honest, I do not understand how ifl_fragidx and ifl_rx_bitmap on
the one hand and ifl_pidx and ifl_cidx on the other work together.
The map potentially allows for an arbitrary mix of free and busy descriptors
while cidx/pidx assume strictly linear iteration.

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