Canvas paint Context2D quadraticCurveTo

import QtQuick 2.15
import QtQuick.Window 2.15

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    Rectangle{
        width: parent.width
        height: parent.height * .55
        color: Qt.rgba(0, 0, 0, 0)
        Canvas {
            width: parent.width
            height: parent.height
            clip: true
            onPaint: {

                //Color firstColor = Color(0xFFF47D15);
                //Color secondColor = Color(0xFFEF772C);

                var ctx = getContext("2d")

                var gradient = ctx.createLinearGradient(0,0,parent.width,250)
                gradient.addColorStop(0, "#F47D15")
                gradient.addColorStop(0.3, "#EF772C")

                ctx.beginPath()
                ctx.fillStyle = gradient //"#F47D15"
                ctx.moveTo(0,0)
                ctx.lineTo(0, parent.height)

                var firstPoint = {
                    dx: parent.width * .5,
                    dy: parent.height - 30
                }

                var firstControlpoint = {
                    dx: parent.width * .25,
                    dy: parent.height - 50
                }

                ctx.quadraticCurveTo(firstControlpoint.dx,firstControlpoint.dy,firstPoint.dx,firstPoint.dy);

                var secondPoint = {
                    dx: parent.width,
                    dy: parent.height - 80
                }
                var secondControlPoint = {
                    dx: parent.width * .75,
                    dy: parent.height - 10
                }

                ctx.quadraticCurveTo(secondControlPoint.dx,secondControlPoint.dy,secondPoint.dx,secondPoint.dy);

                ctx.lineTo(parent.width, 0)



                // left line through path closing
                //ctx.closePath()
                //ctx.clip()
                //// fill using fill style
                ctx.fill()
                // stroke using line width and stroke style
                //ctx.stroke()

            }
        }
    }
}

09-21 23:17:41.090   518  3149 I system_server: oneway function results will be dropped but finished with status OK and parcel size 4 
09-21 23:17:41.225 12285 12313 F libc    : Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x1652d83 in tid 12313 (qtMainLoopThrea), pid 12285 (CustomPaintTest) 
09-21 23:17:41.314 12322 12322 I crash_dump32: obtaining output fd from tombstoned, type: kDebuggerdTombstone 
09-21 23:17:41.315   282   282 I tombstoned: received crash request for pid 12313 
09-21 23:17:41.316 12322 12322 I crash_dump32: performing dump of process 12285 (target tid = 12313) 
09-21 23:17:41.327 12322 12322 F DEBUG   : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** 
09-21 23:17:41.327 12322 12322 F DEBUG   : Build fingerprint: 'Android/sdk_phone_x86/generic_x86:11/RSR1.210210.001.A1/7193139:userdebug/dev-keys' 
09-21 23:17:41.327 12322 12322 F DEBUG   : Revision: '0' 
09-21 23:17:41.327 12322 12322 F DEBUG   : ABI: 'x86' 
09-21 23:17:41.327 12322 12322 F DEBUG   : Timestamp: 2021-09-21 23:17:41-0300 
09-21 23:17:41.327 12322 12322 F DEBUG   : pid: 12285, tid: 12313, name: qtMainLoopThrea  >>> org.qtproject.example.CustomPaintTest <<< 
09-21 23:17:41.327 12322 12322 F DEBUG   : uid: 10126 
09-21 23:17:41.327 12322 12322 F DEBUG   : signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x1652d83 
09-21 23:17:41.327 12322 12322 F DEBUG   :     eax 01652d83  ebx e8723c80  ecx 0000de1f  edx e8549f9d 
09-21 23:17:41.327 12322 12322 F DEBUG   :     edi f33ef030  esi c576de1f 
09-21 23:17:41.327 12322 12322 F DEBUG   :     ebp c6ac05b8  esp c6ac0550  eip e85a9780 
09-21 23:17:41.416 12322 12322 F DEBUG   : backtrace: 
09-21 23:17:41.416 12322 12322 F DEBUG   :       #00 pc 000d0780  /system/lib/libndk_translation.so (ndk_translation::ExecuteGuest(ndk_translation::ProcessState*)+288) (BuildId: ca20d07948eb8
97d9ee91bdeb9bd0155) 
09-21 23:17:41.416 12322 12322 F DEBUG   :       #01 pc 000d09ba  /system/lib/libndk_translation.so (ndk_translation::(anonymous namespace)::RunGuestCall(unsigned int, int, int, unsigned int*
)+266) (BuildId: ca20d07948eb897d9ee91bdeb9bd0155) 
09-21 23:17:41.416 12322 12322 F DEBUG   :       #02 pc 000d0b1a  /system/lib/libndk_translation.so (ndk_translation::RunGuestCall(unsigned int, ndk_translation::GuestArgumentBuffer*)+42) (Bu
ildId: ca20d07948eb897d9ee91bdeb9bd0155) 
09-21 23:17:41.416 12322 12322 F DEBUG   :       #03 pc 000d3a2a  /system/lib/libndk_translation.so (ndk_translation::(anonymous namespace)::RunGuestJNIFunction(unsigned int, ndk_translation:
:GuestArgumentBuffer*)+74) (BuildId: ca20d07948eb897d9ee91bdeb9bd0155) 
09-21 23:17:41.416 12322 12322 F DEBUG   :       #04 pc 00090039  <anonymous:c83d0000> 
09-21 23:17:41.512   518  1315 E TaskPersister: File error accessing recents directory (directory doesn't exist?). 
09-21 23:17:41.695     0     0 D logd    : logdr: UID=10126 GID=10126 PID=12322 n tail=50 logMask=8 pid=12285 start=0ns timeout=0ns 
09-21 23:17:41.706     0     0 D logd    : logdr: UID=10126 GID=10126 PID=12322 n tail=50 logMask=1 pid=12285 start=0ns timeout=0ns 
09-21 23:17:41.963     0     0 D logd    : logdr: UID=10126 GID=10126 PID=12322 n tail=0 logMask=8 pid=12285 start=0ns timeout=0ns 
09-21 23:17:41.968     0     0 D logd    : logdr: UID=10126 GID=10126 PID=12322 n tail=0 logMask=1 pid=12285 start=0ns timeout=0ns 
09-21 23:17:41.867   282   282 E tombstoned: Tombstone written to: /data/tombstones/tombstone_26 
09-21 23:17:41.872   518   554 I BootReceiver: Copying /data/tombstones/tombstone_26 to DropBox (SYSTEM_TOMBSTONE) 
09-21 23:17:41.873   518   554 I DropBoxManagerService: add tag=SYSTEM_TOMBSTONE isTagEnabled=true flags=0x2 
09-21 23:17:41.877   518 12331 I DropBoxManagerService: add tag=data_app_native_crash isTagEnabled=true flags=0x2 
09-21 23:17:41.879   518 12330 W ActivityTaskManager:   Force finishing activity org.qtproject.example.CustomPaintTest/org.qtproject.qt5.android.bindings.QtActivity 
09-21 23:17:41.883   305  1033 D goldfish-address-space: claimShared: Ask to claim region [0x36c000000 0x36c9a4000] 
09-21 23:17:42.010     0     0 I init    : Untracked pid 12322 exited with status 0