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Bug 690542 - net-firewall/ebtables: support running 32-bit ebtables on 64-bit kernel
Summary: net-firewall/ebtables: support running 32-bit ebtables on 64-bit kernel
Status: CONFIRMED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo's Team for Core System packages
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-07-23 23:32 UTC by Raju Konduru
Modified: 2021-02-09 15:15 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---

Attachments
net-firewall/ebtables/ebtables-2.0.10.4-r2.ebuild (0001-net-firewall-ebtables-add-KERNEL_64_USERSPACE_32-fla.patch,1.21 KB, patch)
2019-07-23 23:50 UTC, Raju Konduru 		Details | Diff
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Description Raju Konduru 2019-07-23 23:32:00 UTC 
When 32-bit ebtables is ran on 64-bit kernel, observing following error messages in dmesg and command is failing.

kernel msg: ebtables bug: please report to author: Standard target size too big
Comment 1 Raju Konduru 2019-07-23 23:50:29 UTC 
Created attachment 584258 [details, diff]
net-firewall/ebtables/ebtables-2.0.10.4-r2.ebuild

Hi!

Please find attached patch for net-firewall/ebtables/ebtables-2.0.10.4-r2.ebuild
to support running 32-bit ebtables on 64-bit kernel.

When net-firewall/ebtables is built with 32-bit toolchain and deployed onto
64-bit kernel, ebtables command is failing with following reason. Adding
'-DKERNEL_64_USERSPACE_32' option to CFLAGS allows it to run on 64-bit kernel.

Attached patch to enable this when 'kernel64_userspace32' USE flag is set.

Thanks,
Raju Konduru
Comment 2 SpanKY gentoo-dev 2021-02-09 15:15:37 UTC 
the tool should handle this dynamically instead of being a build-time constant.  otherwise it breaks and needs recompiling when used across diff kernel builds.