r0 = syz_io_uring_setup(0x4d4f, &(0x7f0000000600), &(0x7f00000a0000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000200)=0x0, &(0x7f0000000140)=0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x9, 0x0, 0x0}, 0x0) syz_io_uring_setup(0x4, &(0x7f0000000740), &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ffc000/0x2000)=nil, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000440)) pipe2(&(0x7f00000000c0), 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x183a80, 0x0) io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)