netdev - Fw: [Bug 214241] New: System freezes after redirect traffic from bridge interface

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Date:   Tue, 31 Aug 2021 08:55:01 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     netdev@...r.kernel.org
Subject: Fw: [Bug 214241] New: System freezes after redirect traffic from
 bridge interface

This looks like a user error. Since bridge takes Ethernet packets
and PPP use different header encapsulation. Perhaps kernel could check for this?

Begin forwarded message:

Date: Tue, 31 Aug 2021 14:01:51 +0000
From: bugzilla-daemon@...zilla.kernel.org
To: stephen@...workplumber.org
Subject: [Bug 214241] New: System freezes after redirect traffic from bridge interface


https://bugzilla.kernel.org/show_bug.cgi?id=214241

            Bug ID: 214241
           Summary: System freezes after redirect traffic from bridge
                    interface
           Product: Networking
           Version: 2.5
    Kernel Version: 5.13.13
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Other
          Assignee: stephen@...workplumber.org
          Reporter: ne-vlezay80@...dex.ru
        Regression: No

If redirecting traffic on bridge interface to ppp interface, system it's
freezes.

tc qdisc add dev bridge0 handle 1: root htb default 1

tc filter add dev bridge0 parent 1: flower src_mac 88:00:42:42:00:aa dst_mac
88:00:42:42:00:ab action vlan eth_pop action mirred egress redirect dev ppp0



after send traffic, system it's freezes.

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