selftests/bpf: Check overflow in optional buffer
authorDaniel Rosenberg <drosen@google.com>
Sat, 6 May 2023 01:31:32 +0000 (18:31 -0700)
committerAlexei Starovoitov <ast@kernel.org>
Sat, 6 May 2023 23:42:57 +0000 (16:42 -0700)
commit3881fdfed21ff129a23979c0a92df6d3c5f49aa9
tree0e50cd606e6abbe6d3b8374c7ff3bba922177e4a
parent1ce33b6c846fbe0439eeee477b767de4bc3ad35f
selftests/bpf: Check overflow in optional buffer

This ensures we still reject invalid memory accesses in buffers that are
marked optional.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
Link: https://lore.kernel.org/r/20230506013134.2492210-4-drosen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
tools/testing/selftests/bpf/progs/dynptr_fail.c