[Bug 205799] New: kernel panic always in skb_get_hash_perturb entering runlevel 2

[Bug 205799] New: kernel panic always in skb_get_hash_perturb entering runlevel 2

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=205799

            Bug ID: 205799
           Summary: kernel panic always in skb_get_hash_perturb entering
                    runlevel 2
           Product: Backports project
           Version: unspecified
    Kernel Version: 5.3.0-24
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Backports
          Assignee: backports@vger.kernel.org
          Reporter: james@time4tea.net
        Regression: No

Created attachment 286225
  --> https://bugzilla.kernel.org/attachment.cgi?id=286225&action=edit
screenshot of panic stacktrace

Apologies if this is this wrong place to raise this bug.

I upgraded my ubuntu system to 5.3.0-24, and now get always-reproducible panic
on boot entering runlevel 2 in skb_get_hash_perturb.

this using version 8042-0ubuntu1 of backport-iwlwifi-dkms.

the same bug does not appear on 5.3.0-23.

I was unable to get a text version of the stacktrace, but i took a picture -
hopefully this is useful.

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[Bug 205799] kernel panic always in skb_get_hash_perturb entering runlevel 2

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=205799

You-Sheng Yang (vicamo@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vicamo@gmail.com

--- Comment #1 from You-Sheng Yang (vicamo@gmail.com) ---
Created attachment 286243
  --> https://bugzilla.kernel.org/attachment.cgi?id=286243&action=edit
proposed patch

PPA:
https://launchpad.net/~vicamo/+archive/ubuntu/ppa-gitlab-backport-iwlwifi-dkms-7/+packages
(still building)

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[Bug 205799] kernel panic always in skb_get_hash_perturb entering runlevel 2

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=205799

--- Comment #2 from You-Sheng Yang (vicamo@gmail.com) ---
Re-filed as https://bugzilla.kernel.org/show_bug.cgi?id=205839

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[Bug 205799] kernel panic always in skb_get_hash_perturb entering runlevel 2

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=205799

Hauke Mehrtens (hauke@hauke-m.de) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hauke@hauke-m.de

--- Comment #3 from Hauke Mehrtens (hauke@hauke-m.de) ---
This is already fixed here:
https://git.kernel.org/pub/scm/linux/kernel/git/backports/backports.git/commit/?id=7eb087cb342f2c1a351b32366738898015c95cd8

and also backported to the 4.19 branch.
I am missing the Ubuntu extras, would be nice if you could send them as a
patch. Are you using some other version than 4.19 or 5.4-rcX?

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[Bug 205799] kernel panic always in skb_get_hash_perturb entering runlevel 2

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=205799

--- Comment #4 from You-Sheng Yang (vicamo@gmail.com) ---
@Hauke, this was intended for backport-iwlwifi[1], so I re-filed as bug 205839
under wireless component.

[1]:
https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi.git/

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