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Crash when clicking image or video #30730

@atis

Description

@atis

Steps to reproduce

  1. Open Telegram Desktop
  2. Open chat
  3. Click image or video, to display enlarged

If I enable debugmode in settings, crashes disappear.
If I disable debugmode, Telegram crashes again on same images and videos

Expected behaviour

Show image or video

Actual behaviour

Crash

When opening image:

$ flatpak run org.telegram.desktop
qt.waylandcompositor.hardwareintegration: Failed to initialize EGL display. There is no EGL_WL_bind_wayland_display extension.
QPainter::begin: Paint device returned engine == 0, type: 2
QWidget::render: Cannot render with an inactive painter
qt.gui.imageio.jpeg: Corrupt JPEG data: premature end of data segment
qt.gui.imageio.jpeg: Corrupt JPEG data: premature end of data segment

The Wayland connection experienced a fatal error: Invalid argument

Also with image:
free(): invalid next size (normal)

When opening video:

$ flatpak run org.telegram.desktop
qt.waylandcompositor.hardwareintegration: Failed to initialize EGL display. There is no EGL_WL_bind_wayland_display extension.
QPainter::begin: Paint device returned engine == 0, type: 2
QWidget::render: Cannot render with an inactive painter
qt.gui.imageio.jpeg: Corrupt JPEG data: premature end of data segment
qt.gui.imageio.jpeg: Corrupt JPEG data: premature end of data segment

malloc(): unaligned tcache chunk detected

Operating system

Ubuntu 25.10 / KDE Plasma 6.4.5 / Wayland

Version of Telegram Desktop

6.8.2

Installation source

Flatpak

Crash ID

No response

Logs

[2026.05.26 13:39:31] Launched version: 6008002, install beta: [FALSE], alpha: 0, debug mode: [FALSE]
[2026.05.26 13:39:31] Executable dir: /app/bin/, name: Telegram
[2026.05.26 13:39:31] Initial working dir: /home/atis/
[2026.05.26 13:39:31] Working dir: /home/atis/.var/app/org.telegram.desktop/data/TelegramDesktop/
[2026.05.26 13:39:31] Command line: Telegram
[2026.05.26 13:39:31] Executable path before check: /app/bin/Telegram
[2026.05.26 13:39:31] Logs started
[2026.05.26 13:39:31] Experimental: Unknown option 'send-large-photos'.
[2026.05.26 13:39:31] App ID: org.telegram.desktop
[2026.05.26 13:39:31] Connecting local socket to b27231c04927db468e2fc38ec3d5b2a9-TelegramDesktop...
[2026.05.26 13:39:31] Socket connect error 0, starting server and app...
[2026.05.26 13:39:31] Moved logging from '/home/atis/.var/app/org.telegram.desktop/data/TelegramDesktop/log_start0.txt' to '/home/atis/.var/app/org.telegram.desktop/data/TelegramDesktop/log.txt'!
[2026.05.26 13:39:31] Global devicePixelRatio: 2
[2026.05.26 13:39:31] Primary screen DPI: 96, Base: 96.
[2026.05.26 13:39:31] Computed screen scale: 100
[2026.05.26 13:39:31] DevicePixelRatio: 2
[2026.05.26 13:39:31] ScreenScale: 100
[2026.05.26 13:39:31] Icon theme: breeze-dark
[2026.05.26 13:39:31] Fallback icon theme: hicolor
[2026.05.26 13:39:31] Media Info: Type Playback, default: AD107 High Definition Audio Controller Pro, list: { "AD107 High Definition Audio Controller Pro" <AD107 High Definition Audio Controller Pro>, "AD107 High Definition Audio Controller Pro 7" <AD107 High Definition Audio Controller Pro 7>, "AD107 High Definition Audio Controller Pro 8" <AD107 High Definition Audio Controller Pro 8>, "AD107 High Definition Audio Controller Pro 9" <AD107 High Definition Audio Controller Pro 9>, "Family 17h/19h/1ah HD Audio Controller Analog Stereo" <Family 17h/19h/1ah HD Audio Controller Analog Stereo>, "Radeon High Definition Audio Controller [Rembrandt/Strix] Pro" <Radeon High Definition Audio Controller [Rembrandt/Strix] Pro>, "QCY H3 Pro Analog Stereo" <QCY H3 Pro Analog Stereo> }, full list refresh: true
[2026.05.26 13:39:31] Media Info: Type Capture, default: Family 17h/19h/1ah HD Audio Controller Analog Stereo, list: { "Family 17h/19h/1ah HD Audio Controller Analog Stereo" <Family 17h/19h/1ah HD Audio Controller Analog Stereo>, "Monitor of AD107 High Definition Audio Controller Pro" <Monitor of AD107 High Definition Audio Controller Pro>, "Monitor of AD107 High Definition Audio Controller Pro 7" <Monitor of AD107 High Definition Audio Controller Pro 7>, "Monitor of AD107 High Definition Audio Controller Pro 8" <Monitor of AD107 High Definition Audio Controller Pro 8>, "Monitor of AD107 High Definition Audio Controller Pro 9" <Monitor of AD107 High Definition Audio Controller Pro 9>, "Monitor of Family 17h/19h/1ah HD Audio Controller Analog Stereo" <Monitor of Family 17h/19h/1ah HD Audio Controller Analog Stereo>, "Monitor of Radeon High Definition Audio Controller [Rembrandt/Strix] Pro" <Monitor of Radeon High Definition Audio Controller [Rembrandt/Strix] Pro>, "Monitor of QCY H3 Pro Analog Stereo" <Monitor of QCY H3 Pro Analog Stereo>, "QCY H3 Pro Mono" <QCY H3 Pro Mono> }, full list refresh: true
[2026.05.26 13:39:31] Media Info: Type Camera, default: usb-0000:05:00.3-3, list: { "Integrated Camera: Integrated C" <usb-0000:05:00.3-3> }, full list refresh: true
[2026.05.26 13:39:31] App Info: reading settings...
[2026.05.26 13:39:31] App Info: reading encrypted settings...
[2026.05.26 13:39:31] Lang Info: Loaded cached, keys: 10431
[2026.05.26 13:39:31] Font: from ':/gui/fonts/OpenSans-Italic.ttf' loaded 'Open Sans'
[2026.05.26 13:39:31] Font: from ':/gui/fonts/OpenSans-Regular.ttf' loaded 'Open Sans'
[2026.05.26 13:39:31] Font: from ':/gui/fonts/OpenSans-SemiBold.ttf' loaded 'Open Sans'
[2026.05.26 13:39:31] Font: from ':/gui/fonts/OpenSans-SemiBold.ttf' loaded 'Open Sans Semibold'
[2026.05.26 13:39:31] Font: from ':/gui/fonts/OpenSans-SemiBoldItalic.ttf' loaded 'Open Sans'
[2026.05.26 13:39:31] Font: from ':/gui/fonts/OpenSans-SemiBoldItalic.ttf' loaded 'Open Sans Semibold'
[2026.05.26 13:39:31] Font: from ':/gui/fonts/Vazirmatn-UI-NL-Regular.ttf' loaded 'Vazirmatn UI NL'
[2026.05.26 13:39:31] Font: from ':/gui/fonts/Vazirmatn-UI-NL-SemiBold.ttf' loaded 'Vazirmatn UI NL'
[2026.05.26 13:39:31] Font: from ':/gui/fonts/Vazirmatn-UI-NL-SemiBold.ttf' loaded 'Vazirmatn UI NL SemiBold'
[2026.05.26 13:39:31] OpenAL Logging Level: (not set)
[2026.05.26 13:39:31] OpenGL Profile: Compatibility.
[2026.05.26 13:39:31] OpenGL Renderer: AMD Radeon 780M Graphics (radeonsi, phoenix, ACO, DRM 3.64, 6.17.0-29-generic)
[2026.05.26 13:39:31] OpenGL Vendor: AMD
[2026.05.26 13:39:31] OpenGL Version: 4.6 (Compatibility Profile) Mesa 26.0.5 (git-e4bd78e80a)
[2026.05.26 13:39:31] OpenGL Extensions: GL_EXT_texture_lod_bias, GL_ARB_vertex_buffer_object, GL_EXT_demote_to_helper_invocation, GL_EXT_texture_object, GL_ARB_occlusion_query2, GL_EXT_mesh_shader, GL_ARB_shader_bit_encoding, GL_EXT_multi_draw_arrays, GL_ARB_draw_buffers_blend, GL_ARB_vertex_type_10f_11f_11f_rev, GL_ARB_conditional_render_inverted, GL_ARB_compressed_texture_pixel_storage, GL_EXT_secondary_color, GL_SGIS_generate_mipmap, GL_ARB_pipeline_statistics_query, GL_ARB_shader_subroutine, GL_ARB_timer_query, GL_ARB_texture_mirrored_repeat, GL_ARB_buffer_storage, GL_ARB_texture_env_crossbar, GL_EXT_texture_compression_rgtc, GL_MESA_pack_invert, GL_ARB_arrays_of_arrays, GL_ARB_texture_cube_map, GL_EXT_subtexture, GL_ARB_framebuffer_no_attachments, GL_EXT_transform_feedback, GL_EXT_gpu_program_parameters, GL_NV_compute_shader_derivatives, GL_ARB_shader_image_load_store, GL_AMD_pinned_memory, GL_ARB_color_buffer_float, GL_ARB_shader_image_size, GL_ATI_fragment_shader, GL_ARB_texture_env_add, GL_ARB_internalformat_query, GL_EXT_framebuffer_object, GL_ARB_shader_group_vote, GL_EXT_texture_shared_exponent, GL_NV_alpha_to_coverage_dither_control, GL_EXT_shadow_funcs, GL_ARB_texture_rectangle, GL_EXT_gpu_shader4, GL_ARB_point_sprite, GL_EXT_EGL_image_storage, GL_ARB_texture_gather, GL_EXT_memory_object, GL_EXT_texture_compression_latc, GL_ARB_ES2_compatibility, GL_ARB_gpu_shader5, GL_ARB_seamless_cube_map, GL_ARB_fragment_program, GL_ARB_texture_query_lod, GL_EXT_texture_mirror_clamp, GL_MESA_framebuffer_flip_y, GL_ARB_framebuffer_sRGB, GL_NV_half_float, GL_ARB_texture_query_levels, GL_ARB_pixel_buffer_object, GL_AMD_query_buffer_object, GL_EXT_texture_storage, GL_ARB_shading_language_include, GL_ARB_multi_bind, GL_ARB_point_parameters, GL_AMD_seamless_cubemap_per_texture, GL_APPLE_packed_pixels, GL_AMD_draw_buffers_blend, GL_ARB_enhanced_layouts, GL_ARB_texture_non_power_of_two, GL_EXT_blend_func_separate, GL_AMD_vertex_shader_layer, GL_ARB_texture_buffer_object, GL_EXT_texture_edge_clamp, GL_ATI_texture_mirror_once, GL_EXT_texture_snorm, GL_MESA_window_pos, GL_ARB_sample_shading, GL_ARB_transform_feedback_instanced, GL_EXT_shader_image_load_formatted, GL_EXT_texture_sRGB_RG8, GL_ARB_clear_buffer_object, GL_ARB_depth_buffer_float, GL_ARB_gl_spirv, GL_IBM_texture_mirrored_repeat, GL_SGIS_texture_border_clamp, GL_EXT_texture_filter_minmax, GL_ARB_stencil_texturing, GL_KHR_texture_compression_astc_ldr, GL_ARB_depth_clamp, GL_ARB_program_interface_query, GL_EXT_draw_range_elements, GL_ARB_texture_compression_bptc, GL_ARB_texture_rgb10_a2ui, GL_EXT_framebuffer_sRGB, GL_EXT_blend_subtract, GL_EXT_packed_depth_stencil, GL_EXT_stencil_wrap, GL_EXT_framebuffer_blit, GL_ARB_internalformat_query2, GL_ARB_robust_buffer_access_behavior, GL_ARB_texture_mirror_clamp_to_edge, GL_ARB_texture_multisample, GL_ARB_fragment_shader, GL_ANGLE_texture_compression_dxt3, GL_EXT_copy_texture, GL_ARB_sync, GL_EXT_fog_coord, GL_EXT_bgra, GL_EXT_texture_env_add, GL_AMD_conservative_depth, GL_NV_conditional_render, GL_ARB_sparse_texture_clamp, GL_NV_blend_square, GL_ARB_clear_texture, GL_ARB_shader_texture_image_samples, GL_EXT_texture_integer, GL_EXT_vertex_array, GL_EXT_window_rectangles, GL_EXT_texture_filter_anisotropic, GL_EXT_texture_buffer_object, GL_ARB_shadow, GL_NV_texture_rectangle, GL_KHR_robust_buffer_access_behavior, GL_EXT_blend_minmax, GL_ARB_bindless_texture, GL_ARB_vertex_attrib_64bit, GL_SGIS_texture_edge_clamp, GL_AMD_multi_draw_indirect, GL_EXT_texture_swizzle, GL_ARB_vertex_type_2_10_10_10_rev, GL_ARB_texture_filter_minmax, GL_EXT_texture, GL_EXT_EGL_sync, GL_EXT_stencil_two_side, GL_EXT_polygon_offset_clamp, GL_EXT_EGL_image_storage_compression, GL_ARB_compute_shader, GL_KHR_context_flush_control, GL_ARB_seamless_cubemap_per_texture, GL_ARB_derivative_control, GL_ARB_framebuffer_object, GL_AMD_vertex_shader_viewport_index, GL_ARB_shader_stencil_export, GL_EXT_texture_sRGB_decode, GL_KHR_no_error, GL_ARB_draw_buffers, GL_ARB_texture_storage_multisample, GL_KHR_robustness, GL_ARB_get_texture_sub_image, GL_NV_texture_env_combine4, GL_KHR_debug, GL_ARB_sparse_texture2, GL_ARB_shader_draw_parameters, GL_ARB_transform_feedback2, GL_EXT_semaphore, GL_SUN_multi_draw_arrays, GL_KHR_texture_compression_astc_sliced_3d, GL_NV_primitive_restart, GL_ARB_base_instance, GL_ARB_texture_border_clamp, GL_EXT_shader_image_load_store, GL_ARB_shading_language_100, GL_ARB_shader_atomic_counter_ops, GL_ARB_shader_ballot, GL_ARB_vertex_program, GL_INTEL_blackhole_render, GL_NV_packed_depth_stencil, GL_ARB_multisample, GL_EXT_depth_bounds_test, GL_EXT_framebuffer_multisample_blit_scaled, GL_NV_texgen_reflection, GL_ATI_texture_float, GL_ARB_draw_instanced, GL_EXT_pixel_buffer_object, GL_EXT_texture_array, GL_EXT_packed_pixels, GL_EXT_texture_compression_dxt1, GL_ARB_post_depth_coverage, GL_ARB_texture_buffer_range, GL_ARB_draw_indirect, GL_EXT_shader_clock, GL_EXT_timer_query, GL_KHR_parallel_shader_compile, GL_KHR_shader_subgroup, GL_ARB_multitexture, GL_ARB_explicit_attrib_location, GL_AMD_shader_trinary_minmax, GL_ARB_shader_texture_lod, GL_ARB_transpose_matrix, GL_ARB_robustness, GL_ARB_texture_stencil8, GL_EXT_texture_env_dot3, GL_MESA_texture_signed_rgba, GL_ARB_ES3_2_compatibility, GL_KHR_blend_equation_advanced, GL_EXT_provoking_vertex, GL_ARB_sparse_texture, GL_ARB_texture_barrier, GL_ARB_compatibility, GL_ARB_indirect_parameters, GL_ARB_vertex_array_bgra, GL_EXT_packed_float, GL_EXT_debug_label, GL_ARB_texture_filter_anisotropic, GL_OES_EGL_image, GL_ARB_provoking_vertex, GL_NV_copy_image, GL_ATI_meminfo, GL_MESA_shader_integer_functions, GL_NV_fog_distance, GL_EXT_separate_specular_color, GL_ARB_transform_feedback_overflow_query, GL_ARB_transform_feedback3, GL_ATI_blend_equation_separate, GL_ARB_texture_env_combine, GL_ARB_shader_storage_buffer_object, GL_NV_shader_atomic_int64, GL_ARB_parallel_shader_compile, GL_ARB_map_buffer_alignment, GL_NV_texture_barrier, GL_EXT_blend_color, GL_ARB_sampler_objects, GL_ARB_polygon_offset_clamp, GL_ARB_texture_swizzle, GL_ARB_vertex_array_object, GL_ARB_tessellation_shader, GL_IBM_multimode_draw_arrays, GL_ARB_texture_buffer_object_rgb32, GL_ARB_texture_cube_map_array, GL_ATI_texture_compression_3dc, GL_SGIS_texture_lod, GL_ARB_shader_atomic_counters, GL_ARB_shader_objects, GL_ARB_texture_compression, GL_EXT_shader_integer_mix, GL_ARB_copy_buffer, GL_ARB_occlusion_query, GL_ARB_gpu_shader_fp64, GL_ARB_spirv_extensions, GL_ARB_texture_float, GL_ARB_shader_viewport_layer_array, GL_ARB_cull_distance, GL_ARB_window_pos, GL_AMD_texture_texture4, GL_EXT_texture3D, GL_ARB_explicit_uniform_location, GL_IBM_rasterpos_clip, GL_ARB_vertex_shader, GL_OES_read_format, GL_EXT_texture_cube_map, GL_ARB_invalidate_subdata, GL_ANGLE_texture_compression_dxt5, GL_MESA_texture_const_bandwidth, GL_ARB_gpu_shader_int64, GL_ARB_direct_state_access, GL_ARB_blend_func_extended, GL_ARB_fragment_layer_viewport, GL_ARB_fragment_coord_conventions, GL_EXT_rescale_normal, GL_NV_depth_clamp, GL_ARB_fragment_program_shadow, GL_EXT_abgr, GL_EXT_texture_sRGB, GL_ARB_ES3_compatibility, GL_ARB_depth_texture, GL_ATI_texture_env_combine3, GL_ARB_texture_env_dot3, GL_ARB_ES3_1_compatibility, GL_S3_s3tc, GL_ARB_query_buffer_object, GL_EXT_point_parameters, GL_EXT_texture_rectangle, GL_ARB_copy_image, GL_ARB_texture_compression_rgtc, GL_EXT_framebuffer_multisample, GL_AMD_shader_stencil_export, GL_ARB_half_float_pixel, GL_ARB_debug_output, GL_ARB_shading_language_420pack, GL_ARB_shading_language_packing, GL_ARB_viewport_array, GL_ARB_clip_control, GL_ATI_separate_stencil, GL_EXT_compiled_vertex_array, GL_EXT_semaphore_fd, GL_ARB_compute_variable_group_size, GL_NV_ES1_1_compatibility, GL_NV_copy_depth_to_color, GL_ARB_half_float_vertex, GL_EXT_texture_env_combine, GL_EXT_texture_shadow_lod, GL_ARB_map_buffer_range, GL_EXT_vertex_attrib_64bit, GL_ARB_sparse_buffer, GL_ARB_get_program_binary, GL_ARB_uniform_buffer_object, GL_ARB_conservative_depth, GL_ARB_vertex_attrib_binding, GL_EXT_texture_sRGB_R8, GL_EXT_texture_compression_s3tc, GL_ARB_texture_rg, GL_ARB_texture_view, GL_EXT_draw_buffers2, GL_NVX_gpu_memory_info, GL_ARB_multi_draw_indirect, GL_ARB_shader_precision, GL_EXT_vertex_array_bgra, GL_INGR_blend_func_separate, GL_ARB_texture_storage, GL_AMD_depth_clamp_separate, GL_ATI_draw_buffers, GL_ARB_draw_elements_base_vertex, GL_EXT_direct_state_access, GL_EXT_memory_object_fd, GL_EXT_draw_instanced, GL_ARB_separate_shader_objects, GL_EXT_blend_equation_separate, GL_NV_light_max_exponent, GL_ARB_instanced_arrays, GL_ARB_shader_clock
[2026.05.26 13:39:31] OpenGL: QOpenGLContext created, version: 4.4.
[2026.05.26 13:39:31] Screen Reader: active
[2026.05.26 13:39:31] App Info: reading accounts info...
[2026.05.26 13:39:31] App Info: reading encrypted info...
[2026.05.26 13:39:31] App Info: reading map...
[2026.05.26 13:39:31] App Info: reading encrypted map...
[2026.05.26 13:39:31] App Info: reading encrypted user settings...
[2026.05.26 13:39:31] App Info: encrypted user settings read.
[2026.05.26 13:39:31] App Info: reading encrypted mtp data...
[2026.05.26 13:39:31] MTP Info: read keys, current: 5, to destroy: 0
[2026.05.26 13:39:31] Map read time: 30
[2026.05.26 13:39:31] App Info: reading encrypted mtp config...
[2026.05.26 13:39:31] Screen Reader: inactive
[2026.05.26 13:39:32] Export Info: Destroy top bar by controller removal.
[2026.05.26 13:39:32] System tray available: [TRUE]
[2026.05.26 13:39:32] OpenGL: [TRUE] (Window)
[2026.05.26 13:39:32] Notification daemon product name: Plasma
[2026.05.26 13:39:32] Notification daemon vendor name: KDE
[2026.05.26 13:39:32] Notification daemon version: 6.4.5
[2026.05.26 13:39:32] Notification daemon specification version: 1.2
[2026.05.26 13:39:32] Notification daemon capabilities: body, body-hyperlinks, body-markup, body-images, icon-static, actions, persistence, inline-reply, sound, x-kde-urls, x-kde-origin-name, x-kde-display-appname, inhibitions
[2026.05.26 13:39:34] API Warning: not loaded minimal channel applied.
[2026.05.26 13:39:34] API Warning: not loaded minimal channel applied.
[2026.05.26 13:39:34] API Warning: not loaded minimal channel applied.
[2026.05.26 13:39:34] API Warning: not loaded minimal channel applied.
[2026.05.26 13:39:37] API Warning: not loaded minimal channel applied.
[2026.05.26 13:39:40] API Warning: not loaded minimal channel applied.
[2026.05.26 13:39:40] RPC Error: request 125 got fail with code 400, error PEER_ID_INVALID
[2026.05.26 13:40:29] RPC Error: request 151 got fail with code 400, error PEER_ID_INVALID
[2026.05.26 13:40:29] RPC Error: request 150 got fail with code 400, error PEER_ID_INVALID
[2026.05.26 13:40:29] RPC Error: request 160 got fail with code 400, error PEER_ID_INVALID
[2026.05.26 13:40:29] RPC Error: request 161 got fail with code 400, error PEER_ID_INVALID

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