On 10/20/15 at 01:58am, Richard Laing wrote:
> Hi,
>
> We recently found a bug in our code which resulted in rule 0 in the
> routing policy database being deleted, this is a bad thing and the man
> page documentation for "ip rule" indicates
>
> Rule 0 is special. It cannot be deleted or overridden.
>
> which seems entirely reasonable. The code in net/core/fib_rules.c does
> not seem to protect against deletion of this rule and I was wondering if
> there is a reason for this. If not I will submit a patch to address it.
This behaviour was changed in commit 5adef1809
("net: fib_rules: allow to delete local rule") so it seems the manual
page is outdated. Feel free to send a patch.
> Simply running "ip rule del" shows the issue .
This however looks like a bug.
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