selftests/bpf: Verify copy_register_state() preserves parent/live fields
authorEduard Zingerman <eddyz87@gmail.com>
Fri, 6 Jan 2023 14:22:14 +0000 (16:22 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 Feb 2023 11:57:01 +0000 (12:57 +0100)
commit5541d35f5d030596bb73da36cbb6dee8e67b9f83
tree8fb8ad5d7bbb44b93921a8d16d6c3451c4c42823
parent7814e28c4183dba0022bd40b09c6a1f1a85dfc31
selftests/bpf: Verify copy_register_state() preserves parent/live fields

[ Upstream commit b9fa9bc839291020b362ab5392e5f18ba79657ac ]

A testcase to check that verifier.c:copy_register_state() preserves
register parentage chain and livness information.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230106142214.1040390-3-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
tools/testing/selftests/bpf/verifier/search_pruning.c