derp/xdp: fix handling of zero value UDP checksums (#12510)

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validate_udp_checksum was previously indeterminate (not zero) at
declaration, and IPv4 zero value UDP checksum packets were being passed
to the kernel.

Updates tailscale/corp#20689

Signed-off-by: Jordan Whited <jordan@tailscale.com>

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Jordan Whited

2024-06-17 14:06:53 -07:00

committed by GitHub

parent 8cc2738609

commit 315f3d5df1

4 changed files with 49 additions and 1 deletions

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