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| author |   Andrii Nakryiko <andriin@fb.com> | 2020-04-10 13:26:13 -0700 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2020-04-14 21:28:57 +0200 |
| commit | 642c1654702731ab42a3be771bebbd6ef938f0dc (patch) | |
| tree | 766a7490a2cdb507523f1369f73ec902fb699e85 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | bpf: Prevent re-mmap()'ing BPF map as writable for initially r/o mapping (diff) | |
| download | wireguard-linux-642c1654702731ab42a3be771bebbd6ef938f0dc.tar.xz wireguard-linux-642c1654702731ab42a3be771bebbd6ef938f0dc.zip | |
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
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0 files changed, 0 insertions, 0 deletions