Message ID | 20191214004738.1652239-1-kafai@fb.com |
---|---|
State | Changes Requested |
Delegated to: | BPF Maintainers |
Headers | show |
Series | Introduce BPF STRUCT_OPS | expand |
On 12/13/19 4:47 PM, Martin KaFai Lau wrote: > This patch makes the verifier save the PTR_TO_BTF_ID register state when > spilling to the stack. > > Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Yonghong Song <yhs@fb.com>
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 034ef81f935b..408264c1d55b 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -1915,6 +1915,7 @@ static bool is_spillable_regtype(enum bpf_reg_type type) case PTR_TO_TCP_SOCK: case PTR_TO_TCP_SOCK_OR_NULL: case PTR_TO_XDP_SOCK: + case PTR_TO_BTF_ID: return true; default: return false;
This patch makes the verifier save the PTR_TO_BTF_ID register state when spilling to the stack. Signed-off-by: Martin KaFai Lau <kafai@fb.com> --- kernel/bpf/verifier.c | 1 + 1 file changed, 1 insertion(+)