Re: [PATCH v2 bpf] bpf: Add sk_is_inet and IS_ICSK check in tls_sw_has_ctx_tx/rx

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On 10/30/24 9:18 AM, zijianzhang@xxxxxxxxxxxxx wrote:
From: Zijian Zhang <zijianzhang@xxxxxxxxxxxxx>

As the introduction of the support for vsock and unix sockets in sockmap,
tls_sw_has_ctx_tx/rx cannot presume the socket passed in must be IS_ICSK.
vsock and af_unix sockets have vsock_sock and unix_sock instead of
inet_connection_sock. For these sockets, tls_get_ctx may return an invalid
pointer and cause page fault in function tls_sw_ctx_rx.

Fixes: 0608c69c9a80 ("bpf: sk_msg, sock{map|hash} redirect through ULP")
Fixes: e91de6afa81c ("bpf: Fix running sk_skb program types with ktls")

Please tag the correct commit that introduced the bug. These SHAs are before the vsock and unix sock support was added.

pw-bot: cr





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