diff options
| author | Andrii Nakryiko <[email protected]> | 2021-11-03 10:32:11 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <[email protected]> | 2021-11-03 13:25:37 -0700 |
| commit | 62554d52e71797eefa3fc15b54008038837bb2d4 (patch) | |
| tree | bca9ea3dbbbc86ca5a738ed497a31dbc0b32871e /lib/test_overflow.c | |
| parent | 88918dc12dc357a06d8d722a684617b1c87a4654 (diff) | |
libbpf: Validate that .BTF and .BTF.ext sections contain data
.BTF and .BTF.ext ELF sections should have SHT_PROGBITS type and contain
data. If they are not, ELF is invalid or corrupted, so bail out.
Otherwise this can lead to data->d_buf being NULL and SIGSEGV later on.
Reported by oss-fuzz project.
Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Acked-by: Yonghong Song <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions