bpf: add bpf_dynptr_memset() kfunc #9228
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At least one diff in series https://patchwork.kernel.org/project/netdevbpf/list/?series=977483 expired. Closing PR. |
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Currently there is no straightforward way to fill dynptr memory with a value (most commonly zero). One can do it with bpf_dynptr_write(), but a temporary buffer is necessary for that. Implement bpf_dynptr_memset() - an analogue of memset() from libc. Signed-off-by: Ihor Solodrai <[email protected]>
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Add tests to verify the behavior of bpf_dynptr_memset(): * normal memset 0 * normal memset non-0 * memset with an offset * memset in dynptr that was adjusted * error: size overflow * error: offset+size overflow * error: readonly dynptr * memset into non-linear xdp dynptr Signed-off-by: Ihor Solodrai <[email protected]> Acked-by: Mykyta Yatsenko <[email protected]>
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At least one diff in series https://patchwork.kernel.org/project/netdevbpf/list/?series=978368 irrelevant now. Closing PR. |
Pull request for series with
subject: bpf: add bpf_dynptr_memset() kfunc
version: 3
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=977483