udp: Fix soroverflow SOCKBUF unlocking
a61c24ddb7d6
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Description

udp: Fix soroverflow SOCKBUF unlocking

We hold the SOCKBUF_LOCK so use soroverflow_locked here.
This bug may manifest as a non-killable process stuck in [*so_rcv].

Approved by: scottl
Reviewed by: Roy Marples <roy@marples.name>
Fixes: 7045b1603bdf
MFC after: 10 days
Differential Revision: https://reviews.freebsd.org/D31374

Provenance

Konstantin Kukushkin <darkdestructor@rambler.ru>	Authored on Aug 1 2021, 2:41 PM
Kevin Bowling <kbowling@FreeBSD.org>	Committed on Aug 1 2021, 3:07 PM

Reviewer

rG7045b1603bdf: socket: Implement SO_RERROR

Differential Revision

D31374: udp: Fix soroverflow SOCKBUF unlocking

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Kevin Bowling <kbowling@FreeBSD.org> committed rGa61c24ddb7d6: udp: Fix soroverflow SOCKBUF unlocking (authored by Konstantin Kukushkin <darkdestructor@rambler.ru>).Aug 1 2021, 3:07 PM