Files
android_kernel_xiaomi_sm8450/tools/testing/selftests/bpf/prog_tests
Andrii Nakryiko 642c165470 selftests/bpf: Validate frozen map contents stays frozen
Test that frozen and mmap()'ed BPF map can't be mprotect()'ed as writable or
executable memory. Also validate that "downgrading" from writable to read-only
doesn't screw up internal writable count accounting for the purposes of map
freezing.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200410202613.3679837-2-andriin@fb.com
2020-04-14 21:28:57 +02:00
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2020-03-12 17:47:38 -07:00
2019-12-13 13:09:32 -08:00