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authorMarina Ciocea <marinaciocea@google.com>2021-01-28 06:23:04 -0800
committergVisor bot <gvisor-bot@google.com>2021-01-28 06:24:46 -0800
commit6012fe9b5965a2f285f2f99312e6cb7ae84b5fa8 (patch)
treec2a29a720d2e557a3ed2712fc71380ba9f39509a /pkg/fdnotifier
parentb85b23e50d1c264ff4821e182ad89a8ea3d0e0c5 (diff)
Respect SO_BINDTODEVICE in unconnected UDP writes
Previously, sending on an unconnected UDP socket would ignore the SO_BINDTODEVICE option. Send on the configured interface when an UDP socket is bound to an interface through setsockop SO_BINDTODEVICE. Add packetimpact tests exercising UDP reads and writes with every combination of bound/unbound, broadcast/multicast/unicast destination, and bound/not-bound to device. PiperOrigin-RevId: 354299670
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