Re: ebtables issue in compat mode

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Sharat Masetty <sharat04@xxxxxxxxx> wrote:
> We are using a 3.10.0 kernel version which has CONFIG_COMPAT enabled.
> The ebtables version is 2.0.10-4.  This is arm 63/32 not x86.

FWIW i have no issues with 2.0.10-4 either (on x86), so its hard
for me to debug this since I don't have access to a aarch64/arm64
machine.

> Please let me know what to watch out for

My guess would be that ebt_size_mwt() in size_entry_mwt() fails
to account for some required padding.

You could #define DEBUG at the top of it and see the offset
fixup that it tries to make.

Should be fairly simple to build a ebtables64 binary
and check what the expected values should be.
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