14 Jan
2021
14 Jan
'21
4:02 a.m.
On Wed, Jan 13, 2021 at 2:29 PM KP Singh kpsingh@kernel.org wrote:
On Wed, Jan 13, 2021 at 6:38 AM Gilad Reti gilad.reti@gmail.com wrote:
Add support for pointer to mem register spilling, to allow the verifier to track pointers to valid memory addresses. Such pointers are returned for example by a successful call of the bpf_ringbuf_reserve helper.
The patch was partially contributed by CyberArk Software, Inc.
Fixes: 457f44363a88 ("bpf: Implement BPF ring buffer and verifier support for it") Suggested-by: Yonghong Song yhs@fb.com Signed-off-by: Gilad Reti gilad.reti@gmail.com
Acked-by: KP Singh kpsingh@kernel.org
It's a border line feature vs fix. Since the patch is trivial and it addresses a real problem I've applied to the bpf tree. Thanks!