[Bug 295870] [tcp] page fault in tcp_default_output in response to TCP input

[email protected] Fri, 19 Jun 2026 20:12:38 +0000
Newsgroups gmane.os.freebsd.devel.net
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295870

Gleb Smirnoff <[email protected]> changed:

           What    |Removed                     |Added
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                 CC|                            |[email protected]

--- Comment #3 from Gleb Smirnoff <[email protected]> ---
No, I don't think this is what f3de667137e90679cd20fa5c1dcd93a4c51ad848 fixed.
That one fixed accessing freed memory in in6_selecthlim() as IPv6 software
contexts were freed immediately (w/o epoch) on interface removal bug 279653.

This panic looks more like an invalid metadata in an mbuf, which is not
protected by epoch.

satanist reports that his panic is associated with interface departure.
Kajetan, is your crash associated with interface departure or not?

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