r0 = syz_io_uring_setup(0x4d4f, &(0x7f00000002c0), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000200)=<r1=>0x0, &(0x7f0000000140)=<r2=>0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000680)={<r3=>0xffffffffffffffff})
syz_io_uring_submit(r1, r2, &(0x7f00000001c0)=@IORING_OP_SEND={0x1a, 0x0, 0x0, r3, 0x0, 0x0, 0x0, 0x1}, 0x0)
io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)