Differential D31374

udp: Fix soroverflow SOCKBUF unlocking
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Authored by kbowling on Aug 1 2021, 2:54 PM.

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scottl

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Commits

rGae51594c9794: udp: Fix soroverflow SOCKBUF unlocking
rG2141aab35b70: udp: Fix soroverflow SOCKBUF unlocking
rGa61c24ddb7d6: udp: Fix soroverflow SOCKBUF unlocking

Summary

Author: Konstantin Kukushkin <darkdestructor@rambler.ru>

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

Reviewed by:    Roy Marples <roy@marples.name>
Fixes:  7045b1603bdf
MFC after:  10 days

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Event Timeline

kbowling created this revision.Aug 1 2021, 2:54 PM

Herald added a reviewer: transport. · View Herald TranscriptAug 1 2021, 2:54 PM

Herald added a subscriber: melifaro. · View Herald Transcript

kbowling requested review of this revision.Aug 1 2021, 2:54 PM

scottl accepted this revision.Aug 1 2021, 3:05 PM

This revision was not accepted when it landed; it landed in state Needs Review.Aug 1 2021, 3:09 PM

Closed by commit rGa61c24ddb7d6: udp: Fix soroverflow SOCKBUF unlocking (authored by Konstantin Kukushkin <darkdestructor@rambler.ru>, committed by Kevin Bowling <kbowling@FreeBSD.org>). · Explain Why

This revision was automatically updated to reflect the committed changes.

Kevin Bowling <kbowling@FreeBSD.org> added a commit: rGa61c24ddb7d6: udp: Fix soroverflow SOCKBUF unlocking.

Kevin Bowling <kbowling@FreeBSD.org> added a commit: rG2141aab35b70: udp: Fix soroverflow SOCKBUF unlocking.Aug 11 2021, 1:58 AM

Kevin Bowling <kbowling@FreeBSD.org> added a commit: rGae51594c9794: udp: Fix soroverflow SOCKBUF unlocking.Aug 11 2021, 2:34 AM

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sys/

netinet/

2 lines

Diff 93079

sys/netinet/udp_usrreq.c

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