kernel.git/tools/testing/selftests/bpf/test_adjust_tail.c, branch linux-5.0.yHosts the 0x221E linux distro kernel.
https://git.0xinfinity.dev/distro/kernel.git/atom?h=linux-5.0.y2018-04-18T21:34:17Zbpf: adding tests for bpf_xdp_adjust_tail2018-04-18T21:34:17ZNikita V. Shirokov2018-04-18T04:42:22Zurn:sha1:0367d0a29427d5916b98cf31dfc85a8293540614
adding selftests for bpf_xdp_adjust_tail helper. in this synthetic test
we are testing that 1) if data_end < data helper will return EINVAL
2) for normal use case packet's length would be reduced.
Signed-off-by: Nikita V. Shirokov <tehnerd@tehnerd.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>