[Bug 263445] [tcp] Fatal trap 12: page fault while in kernel mode // supervisor read data, page not present // 13.1-RC3
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Date: Tue, 07 Jun 2022 07:01:52 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263445
Richard Scheffenegger <rscheff@freebsd.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|New |In Progress
--- Comment #17 from Richard Scheffenegger <rscheff@freebsd.org> ---
While we don't yet understand how the TCPCB ends up in the peculiar state it is
in when the panic happens, there appearts to be a symptomatic treatment by
ignoring invalid SACK scoreboard state which however is in the approximate
correct sequence space (thus no fully random memory contents).
See https://reviews.freebsd.org/D35387
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