PTR_TO_MEM register without PTR_MAYBE_NULL is indeed non-null. This is
important for BPF verifier to be able to prune guaranteed not to be
taken branches. This is always the case with open-coded iterators.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230302235015.2044271-11-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
type == PTR_TO_TCP_SOCK ||
type == PTR_TO_MAP_VALUE ||
type == PTR_TO_MAP_KEY ||
- type == PTR_TO_SOCK_COMMON;
+ type == PTR_TO_SOCK_COMMON ||
+ type == PTR_TO_MEM;
}
static bool type_is_ptr_alloc_obj(u32 type)