bpf: Refactor and streamline bounds check into helper
authorDaniel Borkmann <daniel@iogearbox.net>
Tue, 23 Mar 2021 14:05:48 +0000 (15:05 +0100)
committerDaniel Borkmann <daniel@iogearbox.net>
Fri, 16 Apr 2021 21:51:54 +0000 (23:51 +0200)
commit073815b756c51ba9d8384d924c5d1c03ca3d1ae4
tree618347c5c7ee8cb2850bd11502863fa005a5a1f6
parenta6aaece00a57fa6f22575364b3903dfbccf5345d
bpf: Refactor and streamline bounds check into helper

Move the bounds check in adjust_ptr_min_max_vals() into a small helper named
sanitize_check_bounds() in order to simplify the former a bit.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
kernel/bpf/verifier.c