r0 = syz_io_uring_setup(0x21, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000ffd000/0x2000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000180)=<r1=>0x0, &(0x7f0000002a40)=<r2=>0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002600)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
syz_io_uring_submit(r1, r2, &(0x7f0000000100)=@IORING_OP_RECV=@use_registered_buffer={0x1b, 0x0, 0x0, r3, 0x0, 0x0, 0x0, 0x1}, 0x0)
io_uring_enter(r0, 0x76d3, 0x0, 0x0, 0x0, 0x0)