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Date:      Tue, 18 May 2021 10:05:44 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 255971] FreeBSD 13.0 Stable r3822450 hangs with error pfctl: DIOCGETRULE: Cannot allocate memory
Message-ID:  <bug-255971-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D255971

            Bug ID: 255971
           Summary: FreeBSD 13.0 Stable r3822450 hangs with error pfctl:
                    DIOCGETRULE: Cannot allocate memory
           Product: Base System
           Version: 13.0-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: rpalov@e-card.bg

Hello all,

We have upgraded one of our servers to FreeBSD 13.0 Stable last week.=20

The server have nagios/nrpe sensor, checking the current states, rules and =
nat
entries in PF namespace.=20

After an 12-14 hours uptime server hangs.=20

No messages in system log, debug log and so on.=20

To prove our suspicions, we start the sensor script which is responsible for
the pf states check, in infinite loop. The server hangs in next 10-15 minut=
es.
This is 100% reproducible.=20

The main part of the scirpt is :

pfctl -sr
pfctl -sn
pfctl -ss

Each command return value is compared with established limits.=20

We are at your service if you need more information or details.

Cheers
Rumen Palov

--=20
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