[Bug 254303] Fatal trap 12: page fault while in kernel mode ((frr 7.5_1 + Freebsd 13 Beta3) zebra crashes server when routes are populated)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Mar 21 23:35:59 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254303

--- Comment #9 from Alexander V. Chernikov <melifaro at FreeBSD.org> ---
Obvious code checks and tries to repro this in an easy way failed - I don’t
have a good idea on why its happening. Setting up multiple live bgp feeds will
take some time, so there are multiple ways to proceed:

Fastest one - if you could tar all your /boot/kernel AND coredump for that
kernel.
The downside is that kernel memory dump may contain some private information
(passwords, other sensitive stuff in packet memory etc). If you could consider
sharing it with me (so noone else gets access to this info) - that would be
awesome.

Otherwise I can ether write a list of gdb conmands to run on the core or try to
repro with the feeds, but that will take more time.

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