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| author | Andrii Nakryiko <andrii@kernel.org> | 2021-11-23 16:23:21 -0800 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-11-26 00:15:03 +0100 |
| commit | 6c4dedb7550aafd094f7d803668fd039545f4e57 (patch) | |
| tree | 2a5f9f8563653a395493c79da90286b50a129917 /tools/testing/selftests/bpf/progs/test_prog_array_init.c | |
| parent | 3bd0233f388e061c44d36a1ac614a3bb4a851b7e (diff) | |
selftests/bpf: Prevent misaligned memory access in get_stack_raw_tp test
Perfbuf doesn't guarantee 8-byte alignment of the data like BPF ringbuf
does, so struct get_stack_trace_t can arrive not properly aligned for
subsequent u64 accesses. Easiest fix is to just copy data locally.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211124002325.1737739-10-andrii@kernel.org
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_prog_array_init.c')
0 files changed, 0 insertions, 0 deletions