https://bugs.kde.org/show_bug.cgi?id=458407

            Bug ID: 458407
           Summary: Opening or importing SVG results in unresponsive
                    program
           Product: krita
           Version: 5.1.0
          Platform: Microsoft Windows
                OS: Microsoft Windows
            Status: REPORTED
          Severity: grave
          Priority: NOR
         Component: File formats
          Assignee: krita-bugs-n...@kde.org
          Reporter: lamasht...@gmail.com
  Target Milestone: ---

Created attachment 151652
  --> https://bugs.kde.org/attachment.cgi?id=151652&action=edit
SVG file causing the issue

SUMMARY

Opening or importing as a layer the attached SVG file causes the program to
become unresponsive, and begin utilizing up to 10G RAM, before dropping to 3.5G
and then back again.  Control is never returned and Krita must be forcibly
terminated.



STEPS TO REPRODUCE
1. Open file (or create a new file and import file as a layer)
2. Press enter to confirm PPI

OBSERVED RESULT
Krita indicates there is a vector layer in the GUI, but displays only the
colors indicating transparency.  RAM usage increases to 10 gigs, will drop to
between 3.5 and 6 gigs, and this cycle will continue.  Control will not be
returned to the user.  CPU usage is fairly low (10-13% per Windows task
manager).

EXPECTED RESULT
SVG is loaded and displayed, work can begin.

SOFTWARE/OS VERSIONS
Windows: 10 21H2

ADDITIONAL INFORMATION
Krita

 Version: 5.1.0
 Installation type: installer / portable package
 Hidpi: false

Qt

  Version (compiled): 5.12.12
  Version (loaded): 5.12.12

OS Information

  Build ABI: x86_64-little_endian-llp64
  Build CPU: x86_64
  CPU: x86_64
  Kernel Type: winnt
  Kernel Version: 10.0.19044
  Pretty Productname: Windows 10 (10.0)
  Product Type: windows
  Product Version: 10

Locale

  Languages: en_US
  C locale: C
  QLocale current: en
  QLocale system: en
  QTextCodec for locale: UTF-8
  Process ACP: 65001 (UTF-8)
  System locale default ACP: 1252  (ANSI - Latin I)

OpenGL Info

  Vendor:  "Google Inc. (NVIDIA)" 
  Renderer:  "ANGLE (NVIDIA, NVIDIA GeForce GTX 980 Ti Direct3D11 vs_5_0
ps_5_0, D3D11-30.0.15.1123)" 
  Version:  "OpenGL ES 3.0.0 (ANGLE 2.1.0 git hash:
f2280c0c5f93+krita_qt5.12.12)" 
  Shading language:  "OpenGL ES GLSL ES 3.00 (ANGLE 2.1.0 git hash:
f2280c0c5f93+krita_qt5.12.12)" 
  Requested format:  QSurfaceFormat(version 3.0, options
QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24,
redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8,
stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer,
swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile 
QSurfaceFormat::CompatibilityProfile) 
  Current format:  QSurfaceFormat(version 3.0, options
QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize 8,
greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8,
samples 0, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval 0,
colorSpace QSurfaceFormat::DefaultColorSpace, profile 
QSurfaceFormat::NoProfile) 
     Version: 3.0
     Supports deprecated functions false 
     is OpenGL ES: true 
  supportsBufferMapping: true 
  supportsBufferInvalidation: false 
  forceDisableTextureBuffers: true 
  Extensions: 
     "GL_ANGLE_texture_multisample" 
     "GL_EXT_map_buffer_range" 
     "GL_EXT_color_buffer_half_float" 
     "GL_CHROMIUM_bind_uniform_location" 
     "GL_NV_EGL_stream_consumer_external" 
     "GL_CHROMIUM_lose_context" 
     "GL_OVR_multiview" 
     "GL_ANGLE_client_arrays" 
     "GL_ANGLE_multi_draw" 
     "GL_ANGLE_get_tex_level_parameter" 
     "GL_ANGLE_copy_texture_3d" 
     "GL_EXT_texture_format_BGRA8888" 
     "GL_OES_compressed_EAC_R11_signed_texture" 
     "GL_CHROMIUM_copy_texture" 
     "GL_ANGLE_robust_client_memory" 
     "GL_OES_get_program_binary" 
     "GL_OES_texture_border_clamp" 
     "GL_EXT_texture_filter_anisotropic" 
     "GL_ANGLE_base_vertex_base_instance_shader_builtin" 
     "GL_OES_depth24" 
     "GL_ANGLE_framebuffer_multisample" 
     "GL_EXT_blend_minmax" 
     "GL_OVR_multiview2" 
     "GL_EXT_shader_texture_lod" 
     "GL_EXT_sRGB" 
     "GL_EXT_draw_buffers_indexed" 
     "GL_OES_mapbuffer" 
     "GL_CHROMIUM_sync_query" 
     "GL_EXT_debug_label" 
     "GL_EXT_draw_elements_base_vertex" 
     "GL_OES_draw_elements_base_vertex" 
     "GL_EXT_EGL_image_external_wrap_modes" 
     "GL_NV_fence" 
     "GL_OES_packed_depth_stencil" 
     "GL_EXT_draw_buffers" 
     "GL_EXT_discard_framebuffer" 
     "GL_OES_draw_buffers_indexed" 
     "GL_EXT_unpack_subimage" 
     "GL_OES_compressed_EAC_R11_unsigned_texture" 
     "GL_AMD_performance_monitor" 
     "GL_EXT_robustness" 
     "GL_NV_pixel_buffer_object" 
     "GL_WEBGL_video_texture" 
     "GL_OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture" 
     "GL_OES_texture_stencil8" 
     "GL_ANGLE_provoking_vertex" 
     "GL_CHROMIUM_copy_compressed_texture" 
     "GL_OES_compressed_ETC2_RGBA8_texture" 
     "GL_CHROMIUM_bind_generates_resource" 
     "GL_ANGLE_request_extension" 
     "GL_ANGLE_texture_usage" 
     "GL_OES_fbo_render_mipmap" 
     "GL_OES_texture_half_float_linear" 
     "GL_ANGLE_get_serialized_context_string" 
     "GL_ANGLE_framebuffer_blit" 
     "GL_OES_EGL_image_external" 
     "GL_ANGLE_instanced_arrays" 
     "GL_OES_standard_derivatives" 
     "GL_NV_framebuffer_blit" 
     "GL_ANGLE_lossy_etc_decode" 
     "GL_EXT_texture_rg" 
     "GL_ANGLE_pack_reverse_row_order" 
     "GL_ANGLE_translated_shader_source" 
     "GL_EXT_debug_marker" 
     "GL_EXT_texture_compression_rgtc" 
     "GL_OES_texture_float_linear" 
     "GL_KHR_parallel_shader_compile" 
     "GL_OES_compressed_EAC_RG11_unsigned_texture" 
     "" 
     "GL_OES_depth32" 
     "GL_EXT_multisampled_render_to_texture" 
     "GL_OES_texture_half_float" 
     "GL_OES_EGL_image" 
     "GL_EXT_frag_depth" 
     "GL_EXT_texture_compression_s3tc_srgb" 
     "GL_EXT_texture_type_2_10_10_10_REV" 
     "GL_EXT_blend_func_extended" 
     "GL_EXT_occlusion_query_boolean" 
     "GL_OES_compressed_EAC_RG11_signed_texture" 
     "GL_ANGLE_memory_size" 
     "GL_EXT_disjoint_timer_query" 
     "GL_OES_rgb8_rgba8" 
     "GL_EXT_read_format_bgra" 
     "GL_EXT_instanced_arrays" 
     "GL_OES_surfaceless_context" 
     "GL_EXT_texture_compression_dxt1" 
     "GL_OES_texture_float" 
     "GL_OES_vertex_array_object" 
     "GL_OES_compressed_ETC2_RGB8_texture" 
     "GL_OES_texture_npot" 
     "GL_EXT_multi_draw_indirect" 
     "GL_OES_compressed_ETC2_sRGB8_texture" 
     "GL_ANGLE_texture_compression_dxt3" 
     "GL_ANGLE_multiview_multisample" 
     "GL_ANGLE_program_cache_control" 
     "GL_ANGLE_texture_compression_dxt5" 
     "GL_OES_element_index_uint" 
     "GL_OES_compressed_ETC2_punchthroughA_RGBA8_texture" 
     "GL_ANGLE_base_vertex_base_instance" 
     "GL_OES_EGL_image_external_essl3" 
     "GL_EXT_texture_compression_bptc" 
     "GL_EXT_texture_storage" 
     "GL_EXT_clip_control" 
     "GL_ANGLE_depth_texture" 
     "GL_EXT_color_buffer_float" 
     "GL_NV_pack_subimage" 
     "GL_OES_compressed_ETC2_sRGB8_alpha8_texture" 
     "GL_EXT_float_blend" 
     "GL_EXT_texture_norm16" 
     "GL_KHR_debug" 

QPA OpenGL Detection Info 
  supportsDesktopGL: true 
  supportsAngleD3D11: true 
  isQtPreferAngle: true 

useBufferInvalidation (config option): false


Hardware Information

  GPU Acceleration: auto
  Memory: 65402 Mb
  Number of Cores: 8
  Swap Location: C:/Users/<user>/AppData/Local/Temp
  Built for: sse2
  Base instruction set: sse2
  Supported instruction sets: fma3+avx2 avx2 fma3+avx avx fma4 fma3+sse4.2
sse4.2 sse4.1 ssse3 sse3 sse2 

Current Settings

  Current Swap Location: C:/Users/<user>/AppData/Local/Temp
  Current Swap Location writable: true
  Undo Enabled: true
  Undo Stack Limit: 90
  Use OpenGL: true
  Use OpenGL Texture Buffer: true
  Disable Vector Optimizations: false
  Disable AVX Optimizations: false
  Canvas State: OPENGL_SUCCESS
  Autosave Interval: 300
  Use Backup Files: true
  Number of Backups Kept: 1
  Backup File Suffix: ~
  Backup Location: Same Folder as the File
  Backup Location writable: false
  Use Win8 Pointer Input: false
  Use RightMiddleTabletButton Workaround: false
  Levels of Detail Enabled: false
  Use Zip64: false


Display Information
Number of screens: 2
        Screen: 0
                Name: \\.\DISPLAY2
                Depth: 32
                Scale: 1
                Physical DPI108.796
                Logical DPI96
                Physical Size: 598, 336
                Position: 0, 0
                Resolution in pixels: 2560x1440
                Manufacturer: 
                Model: 
                Refresh Rate: 165
        Screen: 1
                Name: \\.\DISPLAY1
                Depth: 32
                Scale: 1
                Physical DPI108.888
                Logical DPI96
                Physical Size: 597, 336
                Position: -2560, 0
                Resolution in pixels: 2560x1440
                Manufacturer: 
                Model: 
                Refresh Rate: 165

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