| Date | Fri, 15 Jul 2022 16:56:54 -0700 | Subject | Re: [PATCH bpf-next v6 02/23] bpf/verifier: allow kfunc to read user provided context | From | Yonghong Song <> |
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On 7/12/22 7:58 AM, Benjamin Tissoires wrote: > When a kfunc was trying to access data from context in a syscall eBPF > program, the verifier was rejecting the call. > This is because the syscall context is not known at compile time, and > so we need to check this when actually accessing it. > > Check for the valid memory access and allow such situation to happen. > > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Yonghong Song <yhs@fb.com>
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