net: block legacy socket ioctls and virtualize /proc/net#23
Merged
congwang-mk merged 2 commits intomainfrom Apr 26, 2026
Merged
net: block legacy socket ioctls and virtualize /proc/net#23congwang-mk merged 2 commits intomainfrom
congwang-mk merged 2 commits intomainfrom
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Signed-off-by: Cong Wang <cwang@multikernel.io>
Signed-off-by: Cong Wang <cwang@multikernel.io>
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Summary
SIOCGIF*/SIOCETHTOOLioctls and hide/sys/class/netso sandboxed code can't enumerate or query host interfaces./proc/net/devand/proc/net/if_inet6to expose only the loopback interface.Test plan
cargo test -p sandlock-core(includes newtests/integration/test_netlink_virt.rs)ip link,ifconfig,cat /proc/net/dev, andcat /proc/net/if_inet6only showlols /sys/class/netis blocked🤖 Generated with Claude Code