group.of.nepali.translators team mailing list archive

[Luis Henriques <luis.henriques@xxxxxxxxxxxxx>]

Public bug reported:

Upstream stable release 4.4.34 introduced a regression that is already
fixed in mainline but hasn't been applied to stable kernels yet (nor to
Ubuntu kernels).  Here's the thread where the bug was reported:

  http://lkml.iu.edu/hypermail/linux/kernel/1611.2/04851.html

Here's a partial transcript of the report:

 "This update broke PXE boot on our 4-way AMD boxes. The kernel panics in
  eth_type_trans(), presumably during kernel-level IP autoconfiguration,
  see [1]. Bisection points me at 5c67f947 (net: __skb_flow_dissect()
  must cap its return value). And indeed, reverting this commit fixes
  the problem for me."

This issue is fixed with mainline commit:

commit c9b8af1330198ae241cd545e1f040019010d44d9
Author: Eric Dumazet <edumazet@xxxxxxxxxx>
Date:   Tue Nov 22 11:17:30 2016 -0800

    flow_dissect: call init_default_flow_dissectors() earlier

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: Luis Henriques (henrix)
         Status: Triaged

** Affects: linux (Ubuntu Xenial)
     Importance: Undecided
     Assignee: Luis Henriques (henrix)
         Status: In Progress

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Xenial)
       Status: New => In Progress

** Changed in: linux (Ubuntu Xenial)
     Assignee: (unassigned) => Luis Henriques (henrix)

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https://bugs.launchpad.net/bugs/1645278

Title:
  Upstream stable 4.4.34 regression

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Xenial:
  In Progress

Bug description:
  Upstream stable release 4.4.34 introduced a regression that is already
  fixed in mainline but hasn't been applied to stable kernels yet (nor
  to Ubuntu kernels).  Here's the thread where the bug was reported:

    http://lkml.iu.edu/hypermail/linux/kernel/1611.2/04851.html

  Here's a partial transcript of the report:

   "This update broke PXE boot on our 4-way AMD boxes. The kernel panics in
    eth_type_trans(), presumably during kernel-level IP autoconfiguration,
    see [1]. Bisection points me at 5c67f947 (net: __skb_flow_dissect()
    must cap its return value). And indeed, reverting this commit fixes
    the problem for me."

  This issue is fixed with mainline commit:

  commit c9b8af1330198ae241cd545e1f040019010d44d9
  Author: Eric Dumazet <edumazet@xxxxxxxxxx>
  Date:   Tue Nov 22 11:17:30 2016 -0800

      flow_dissect: call init_default_flow_dissectors() earlier

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