Files
erofs-linux/include/net
Cong Wang 69139d2919 vsock: fix recursive ->recvmsg calls
After a vsock socket has been added to a BPF sockmap, its prot->recvmsg
has been replaced with vsock_bpf_recvmsg(). Thus the following
recursiion could happen:

vsock_bpf_recvmsg()
 -> __vsock_recvmsg()
  -> vsock_connectible_recvmsg()
   -> prot->recvmsg()
    -> vsock_bpf_recvmsg() again

We need to fix it by calling the original ->recvmsg() without any BPF
sockmap logic in __vsock_recvmsg().

Fixes: 634f1a7110 ("vsock: support sockmap")
Reported-by: [email protected]
Tested-by: [email protected]
Cc: Bobby Eshleman <[email protected]>
Cc: Michael S. Tsirkin <[email protected]>
Cc: Stefano Garzarella <[email protected]>
Signed-off-by: Cong Wang <[email protected]>
Acked-by: Michael S. Tsirkin <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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