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| author | Andrii Nakryiko <[email protected]> | 2021-10-23 00:31:57 +0000 |
|---|---|---|
| committer | Alexei Starovoitov <[email protected]> | 2021-10-23 00:33:31 +0000 |
| commit | c825f5fee19caf301d9821cd79abaa734322de26 (patch) | |
| tree | 1f6e6c765ae637db277967518e9c5ce58dfe3ca2 /tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c | |
| parent | libbpf: Fix overflow in BTF sanity checks (diff) | |
| download | kernel-c825f5fee19caf301d9821cd79abaa734322de26.tar.gz kernel-c825f5fee19caf301d9821cd79abaa734322de26.zip | |
libbpf: Fix BTF header parsing checks
Original code assumed fixed and correct BTF header length. That's not
always the case, though, so fix this bug with a proper additional check.
And use actual header length instead of sizeof(struct btf_header) in
sanity checks.
Fixes: 8a138aed4a80 ("bpf: btf: Add BTF support to libbpf")
Reported-by: Evgeny Vereshchagin <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c')
0 files changed, 0 insertions, 0 deletions