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ifnet: if_vmove_reclaim(): Be more robust to check the src / dst vnet
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Authored by zlei on Tue, Mar 17, 4:56 PM.
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Details

Reviewers
glebius
Group Reviewers
network
Summary

The ifp is only weak referenced, if_vmove_reclaim() may race with other
threads' if_vmove() or if_detach(), hence ifp->if_vnet is not safe nor
stable to access. Given we know the source and destination prison/vnet,
check them instead.

MFC after: 2 weeks

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rG FreeBSD src repository
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