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Crash on "func delayForImageAtIndex(_ index: Int, source: CGImageSource!) -> Double" #87

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ThePredators opened this issue Aug 27, 2019 · 3 comments
Open

Crash on "func delayForImageAtIndex(_ index: Int, source: CGImageSource!) -> Double" #87

ThePredators opened this issue Aug 27, 2019 · 3 comments

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@ThePredators
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The library was working good for a while, and today for no reason it crashed while loading the Gif from assets.

The given error is :

==319==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x0001625a04e0 at pc 0x000103eeb7ac bp 0x00016f8b0b10 sp 0x00016f8b0b08
READ of size 8 at 0x0001625a04e0 thread T1
    #0 0x103eeb7a8 in $sSo7UIImageC14SwiftGifOriginE20delayForImageAtIndex_6sourceSdSi_So16CGImageSourceRefaSgtFZ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xf7a8)
    #1 0x103ee8a98 in $sSo7UIImageC14SwiftGifOriginE23animatedImageWithSourceyABSgSo07CGImageH3RefaFZ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xca98)
    #2 0x103ee7b78 in $sSo7UIImageC14SwiftGifOriginE3gif4dataABSg10Foundation4DataV_tFZ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xbb78)
    #3 0x103ee730c in $sSo7UIImageC14SwiftGifOriginE3gif5assetABSgSS_tFZ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xb30c)
    #4 0x103ee6c44 in $sSo11UIImageViewC14SwiftGifOriginE04loadD05assetySS_tFyycfU_ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xac44)
    #5 0x103ee5c5c in $sIeg_IeyB_TR (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0x9c5c)
    #6 0x1010557c4 in __wrap_dispatch_async_block_invoke (/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/libclang_rt.asan_ios_dynamic.dylib:arm64+0x517c4)
    #7 0x10421f6ec in _dispatch_call_block_and_release (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x36ec)
    #8 0x104220c70 in _dispatch_client_callout (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x4c70)
    #9 0x104223ad0 in _dispatch_queue_override_invoke (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x7ad0)
    #10 0x104231dc4 in _dispatch_root_queue_drain (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x15dc4)
    #11 0x1042327a8 in _dispatch_worker_thread2 (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x167a8)
    #12 0x1f6ba41b0 in _pthread_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xc1b0)

0x0001625a04e1 is located 0 bytes to the right of 1-byte region [0x0001625a04e0,0x0001625a04e1)
allocated by thread T1 here:
    #0 0x101057160 in wrap_posix_memalign (/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/libclang_rt.asan_ios_dynamic.dylib:arm64+0x53160)
    #1 0x22487b87c in swift_slowAlloc (/usr/lib/swift/libswiftCore.dylib:arm64+0x28987c)
    #2 0x103eeb608 in $sSo7UIImageC14SwiftGifOriginE20delayForImageAtIndex_6sourceSdSi_So16CGImageSourceRefaSgtFZ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xf608)
    #3 0x103ee8a98 in $sSo7UIImageC14SwiftGifOriginE23animatedImageWithSourceyABSgSo07CGImageH3RefaFZ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xca98)
    #4 0x103ee7b78 in $sSo7UIImageC14SwiftGifOriginE3gif4dataABSg10Foundation4DataV_tFZ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xbb78)
    #5 0x103ee730c in $sSo7UIImageC14SwiftGifOriginE3gif5assetABSgSS_tFZ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xb30c)
    #6 0x103ee6c44 in $sSo11UIImageViewC14SwiftGifOriginE04loadD05assetySS_tFyycfU_ (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xac44)
    #7 0x103ee5c5c in $sIeg_IeyB_TR (/private/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0x9c5c)
    #8 0x1010557c4 in __wrap_dispatch_async_block_invoke (/var/containers/Bundle/Application/28B9D6D0-2AE8-4362-A106-57DEE6F810F2/ecb.app/Frameworks/libclang_rt.asan_ios_dynamic.dylib:arm64+0x517c4)
    #9 0x10421f6ec in _dispatch_call_block_and_release (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x36ec)
    #10 0x104220c70 in _dispatch_client_callout (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x4c70)
    #11 0x104223ad0 in _dispatch_queue_override_invoke (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x7ad0)
    #12 0x104231dc4 in _dispatch_root_queue_drain (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x15dc4)
    #13 0x1042327a8 in _dispatch_worker_thread2 (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x167a8)
    #14 0x1f6ba41b0 in _pthread_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xc1b0)

Thread T1 created by T0 here:
    <empty stack>

Thanks.
@ThePredators ThePredators mentioned this issue Aug 27, 2019
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@StasanTelnov
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Hello, I have a same problem.
My log is:

=================================================================
==2388==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x0002828ae850 at pc 0x000108d23340 bp 0x000170760c30 sp 0x000170760c28
READ of size 8 at 0x0002828ae850 thread T6
    #0 0x108d2333c in $sSo7UIImageC14SwiftGifOriginE20delayForImageAtIndex_6sourceSdSi_So16CGImageSourceRefaSgtFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xf33c)
    #1 0x108d1ffcc in $sSo7UIImageC14SwiftGifOriginE23animatedImageWithSourceyABSgSo07CGImageH3RefaFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xbfcc)
    #2 0x108d1f29c in $sSo7UIImageC14SwiftGifOriginE3gif4dataABSg10Foundation4DataV_tFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xb29c)
    #3 0x10443b4a0 in $s0016Redmond__bAgEypb27DishHowCookingContainerViewC8fillData_5indexyAA23RecipeStepResponseModelC_SitFyycfU_ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Redmond.Еда:arm64+0x1001134a0)
    #4 0x10433a7e4 in $sIeg_IeyB_TR (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Redmond.Еда:arm64+0x1000127e4)
    #5 0x105ed5380 in __wrap_dispatch_async_block_invoke (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/libclang_rt.asan_ios_dynamic.dylib:arm64+0x3d380)
    #6 0x10929e334 in _dispatch_call_block_and_release (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x2334)
    #7 0x10929f72c in _dispatch_client_callout (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x372c)
    #8 0x1092b0ec4 in _dispatch_root_queue_drain (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x14ec4)
    #9 0x1092b1694 in _dispatch_worker_thread2 (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x15694)
    #10 0x1a2b28b34 in _pthread_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xbb34)
    #11 0x1a2b2b73c in start_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xe73c)

0x0002828ae851 is located 0 bytes to the right of 1-byte region [0x0002828ae850,0x0002828ae851)
allocated by thread T6 here:
    #0 0x105ed6830 in wrap_posix_memalign (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/libclang_rt.asan_ios_dynamic.dylib:arm64+0x3e830)
    #1 0x1b057f69c in swift_slowAlloc (/usr/lib/swift/libswiftCore.dylib:arm64+0x2d169c)
    #2 0x108d22aa8 in $sSo7UIImageC14SwiftGifOriginE20delayForImageAtIndex_6sourceSdSi_So16CGImageSourceRefaSgtFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xeaa8)
    #3 0x108d1ffcc in $sSo7UIImageC14SwiftGifOriginE23animatedImageWithSourceyABSgSo07CGImageH3RefaFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xbfcc)
    #4 0x108d1f29c in $sSo7UIImageC14SwiftGifOriginE3gif4dataABSg10Foundation4DataV_tFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xb29c)
    #5 0x10443b4a0 in $s0016Redmond__bAgEypb27DishHowCookingContainerViewC8fillData_5indexyAA23RecipeStepResponseModelC_SitFyycfU_ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Redmond.Еда:arm64+0x1001134a0)
    #6 0x10433a7e4 in $sIeg_IeyB_TR (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Redmond.Еда:arm64+0x1000127e4)
    #7 0x105ed5380 in __wrap_dispatch_async_block_invoke (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/libclang_rt.asan_ios_dynamic.dylib:arm64+0x3d380)
    #8 0x10929e334 in _dispatch_call_block_and_release (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x2334)
    #9 0x10929f72c in _dispatch_client_callout (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x372c)
    #10 0x1092b0ec4 in _dispatch_root_queue_drain (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x14ec4)
    #11 0x1092b1694 in _dispatch_worker_thread2 (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x15694)
    #12 0x1a2b28b34 in _pthread_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xbb34)
    #13 0x1a2b2b73c in start_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xe73c)

Thread T6 created by T0 here:
    <empty stack>

SUMMARY: AddressSanitizer: heap-buffer-overflow (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xf33c) in $sSo7UIImageC14SwiftGifOriginE20delayForImageAtIndex_6sourceSdSi_So16CGImageSourceRefaSgtFZ
Shadow bytes around the buggy address:
  0x000159c35cb0: 00 00 00 00 fa fa 00 00 00 00 fa fa 00 00 00 00
  0x000159c35cc0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x000159c35cd0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x000159c35ce0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x000159c35cf0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x000159c35d00: fa fa fa fa fa fa fa fa fa fa[01]fa fa fa fa fa
  0x000159c35d10: 00 00 00 00 fa fa fd fd fd fd fa fa fd fd fd fa
  0x000159c35d20: fa fa fd fd fd fd fa fa fd fd fd fd fa fa 00 00
  0x000159c35d30: 00 fa fa fa 00 00 00 00 fa fa 00 00 00 00 fa fa
  0x000159c35d40: 00 00 00 00 fa fa 00 00 00 00 fa fa 00 00 00 00
  0x000159c35d50: fa fa 00 00 00 00 fa fa 00 00 00 00 fa fa fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
2020-08-18 21:41:15.108209+0300 Redmond.Еда[2388:1693639] =================================================================
2020-08-18 21:41:15.108333+0300 Redmond.Еда[2388:1693639] ==2388==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x0002828ae850 at pc 0x000108d23340 bp 0x000170760c30 sp 0x000170760c28
2020-08-18 21:41:15.108409+0300 Redmond.Еда[2388:1693639] READ of size 8 at 0x0002828ae850 thread T6
2020-08-18 21:41:15.108598+0300 Redmond.Еда[2388:1693639]     #0 0x108d2333c in $sSo7UIImageC14SwiftGifOriginE20delayForImageAtIndex_6sourceSdSi_So16CGImageSourceRefaSgtFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xf33c)
2020-08-18 21:41:15.108689+0300 Redmond.Еда[2388:1693639]     #1 0x108d1ffcc in $sSo7UIImageC14SwiftGifOriginE23animatedImageWithSourceyABSgSo07CGImageH3RefaFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xbfcc)
2020-08-18 21:41:15.108782+0300 Redmond.Еда[2388:1693639]     #2 0x108d1f29c in $sSo7UIImageC14SwiftGifOriginE3gif4dataABSg10Foundation4DataV_tFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xb29c)
2020-08-18 21:41:15.108856+0300 Redmond.Еда[2388:1693639]     #3 0x10443b4a0 in $s0016Redmond__bAgEypb27DishHowCookingContainerViewC8fillData_5indexyAA23RecipeStepResponseModelC_SitFyycfU_ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Redmond.Еда:arm64+0x1001134a0)
2020-08-18 21:41:15.108932+0300 Redmond.Еда[2388:1693639]     #4 0x10433a7e4 in $sIeg_IeyB_TR (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Redmond.Еда:arm64+0x1000127e4)
2020-08-18 21:41:15.109008+0300 Redmond.Еда[2388:1693639]     #5 0x105ed5380 in __wrap_dispatch_async_block_invoke (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/libclang_rt.asan_ios_dynamic.dylib:arm64+0x3d380)
2020-08-18 21:41:15.109080+0300 Redmond.Еда[2388:1693639]     #6 0x10929e334 in _dispatch_call_block_and_release (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x2334)
2020-08-18 21:41:15.109151+0300 Redmond.Еда[2388:1693639]     #7 0x10929f72c in _dispatch_client_callout (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x372c)
2020-08-18 21:41:15.109219+0300 Redmond.Еда[2388:1693639]     #8 0x1092b0ec4 in _dispatch_root_queue_drain (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x14ec4)
2020-08-18 21:41:15.109289+0300 Redmond.Еда[2388:1693639]     #9 0x1092b1694 in _dispatch_worker_thread2 (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x15694)
2020-08-18 21:41:15.109359+0300 Redmond.Еда[2388:1693639]     #10 0x1a2b28b34 in _pthread_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xbb34)
2020-08-18 21:41:15.109429+0300 Redmond.Еда[2388:1693639]     #11 0x1a2b2b73c in start_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xe73c)
2020-08-18 21:41:15.109495+0300 Redmond.Еда[2388:1693639] 
2020-08-18 21:41:15.109563+0300 Redmond.Еда[2388:1693639] 0x0002828ae851 is located 0 bytes to the right of 1-byte region [0x0002828ae850,0x0002828ae851)
2020-08-18 21:41:15.109630+0300 Redmond.Еда[2388:1693639] allocated by thread T6 here:
2020-08-18 21:41:15.109699+0300 Redmond.Еда[2388:1693639]     #0 0x105ed6830 in wrap_posix_memalign (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/libclang_rt.asan_ios_dynamic.dylib:arm64+0x3e830)
2020-08-18 21:41:15.109771+0300 Redmond.Еда[2388:1693639]     #1 0x1b057f69c in swift_slowAlloc (/usr/lib/swift/libswiftCore.dylib:arm64+0x2d169c)
2020-08-18 21:41:15.109841+0300 Redmond.Еда[2388:1693639]     #2 0x108d22aa8 in $sSo7UIImageC14SwiftGifOriginE20delayForImageAtIndex_6sourceSdSi_So16CGImageSourceRefaSgtFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xeaa8)
2020-08-18 21:41:15.109916+0300 Redmond.Еда[2388:1693639]     #3 0x108d1ffcc in $sSo7UIImageC14SwiftGifOriginE23animatedImageWithSourceyABSgSo07CGImageH3RefaFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xbfcc)
2020-08-18 21:41:15.109989+0300 Redmond.Еда[2388:1693639]     #4 0x108d1f29c in $sSo7UIImageC14SwiftGifOriginE3gif4dataABSg10Foundation4DataV_tFZ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xb29c)
2020-08-18 21:41:15.110073+0300 Redmond.Еда[2388:1693639]     #5 0x10443b4a0 in $s0016Redmond__bAgEypb27DishHowCookingContainerViewC8fillData_5indexyAA23RecipeStepResponseModelC_SitFyycfU_ (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Redmond.Еда:arm64+0x1001134a0)
2020-08-18 21:41:15.110145+0300 Redmond.Еда[2388:1693639]     #6 0x10433a7e4 in $sIeg_IeyB_TR (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Redmond.Еда:arm64+0x1000127e4)
2020-08-18 21:41:15.110213+0300 Redmond.Еда[2388:1693639]     #7 0x105ed5380 in __wrap_dispatch_async_block_invoke (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/libclang_rt.asan_ios_dynamic.dylib:arm64+0x3d380)
2020-08-18 21:41:15.110284+0300 Redmond.Еда[2388:1693639]     #8 0x10929e334 in _dispatch_call_block_and_release (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x2334)
2020-08-18 21:41:15.110355+0300 Redmond.Еда[2388:1693639]     #9 0x10929f72c in _dispatch_client_callout (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x372c)
2020-08-18 21:41:15.110425+0300 Redmond.Еда[2388:1693639]     #10 0x1092b0ec4 in _dispatch_root_queue_drain (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x14ec4)
2020-08-18 21:41:15.110491+0300 Redmond.Еда[2388:1693639]     #11 0x1092b1694 in _dispatch_worker_thread2 (/usr/lib/system/introspection/libdispatch.dylib:arm64+0x15694)
2020-08-18 21:41:15.110556+0300 Redmond.Еда[2388:1693639]     #12 0x1a2b28b34 in _pthread_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xbb34)
2020-08-18 21:41:15.110622+0300 Redmond.Еда[2388:1693639]     #13 0x1a2b2b73c in start_wqthread (/usr/lib/system/libsystem_pthread.dylib:arm64+0xe73c)
2020-08-18 21:41:15.110687+0300 Redmond.Еда[2388:1693639] 
2020-08-18 21:41:15.110748+0300 Redmond.Еда[2388:1693639] Thread T6 created by T0 here:
2020-08-18 21:41:15.110817+0300 Redmond.Еда[2388:1693639]     <empty stack>
2020-08-18 21:41:15.110887+0300 Redmond.Еда[2388:1693639] 
2020-08-18 21:41:15.110954+0300 Redmond.Еда[2388:1693639] SUMMARY: AddressSanitizer: heap-buffer-overflow (/private/var/containers/Bundle/Application/51920F6F-4A96-4E24-A364-732866218CAC/Redmond.Еда.app/Frameworks/SwiftGifOrigin.framework/SwiftGifOrigin:arm64+0xf33c) in $sSo7UIImageC14SwiftGifOriginE20delayForImageAtIndex_6sourceSdSi_So16CGImageSourceRefaSgtFZ
2020-08-18 21:41:15.111022+0300 Redmond.Еда[2388:1693639] Shadow bytes around the buggy address:
2020-08-18 21:41:15.111088+0300 Redmond.Еда[2388:1693639]   0x000159c35cb0: 00 00 00 00 fa fa 00 00 00 00 fa fa 00 00 00 00
2020-08-18 21:41:15.111158+0300 Redmond.Еда[2388:1693639]   0x000159c35cc0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
2020-08-18 21:41:15.111224+0300 Redmond.Еда[2388:1693639]   0x000159c35cd0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
2020-08-18 21:41:15.111294+0300 Redmond.Еда[2388:1693639]   0x000159c35ce0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
2020-08-18 21:41:15.111366+0300 Redmond.Еда[2388:1693639]   0x000159c35cf0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
2020-08-18 21:41:15.111434+0300 Redmond.Еда[2388:1693639] =>0x000159c35d00: fa fa fa fa fa fa fa fa fa fa[01]fa fa fa fa fa
2020-08-18 21:41:15.111504+0300 Redmond.Еда[2388:1693639]   0x000159c35d10: 00 00 00 00 fa fa fd fd fd fd fa fa fd fd fd fa
2020-08-18 21:41:15.111576+0300 Redmond.Еда[2388:1693639]   0x000159c35d20: fa fa fd fd fd fd fa fa fd fd fd fd fa fa 00 00
2020-08-18 21:41:15.111644+0300 Redmond.Еда[2388:1693639]   0x000159c35d30: 00 fa fa fa 00 00 00 00 fa fa 00 00 00 00 fa fa
2020-08-18 21:41:15.111713+0300 Redmond.Еда[2388:1693639]   0x000159c35d40: 00 00 00 00 fa fa 00 00 00 00 fa fa 00 00 00 00
2020-08-18 21:41:15.111785+0300 Redmond.Еда[2388:1693639]   0x000159c35d50: fa fa 00 00 00 00 fa fa 00 00 00 00 fa fa fd fd
2020-08-18 21:41:15.111852+0300 Redmond.Еда[2388:1693639] Shadow byte legend (one shadow byte represents 8 application bytes):
2020-08-18 21:41:15.111919+0300 Redmond.Еда[2388:1693639]   Addressable:           00
2020-08-18 21:41:15.111981+0300 Redmond.Еда[2388:1693639]   Partially addressable: 01 02 03 04 05 06 07
2020-08-18 21:41:15.112046+0300 Redmond.Еда[2388:1693639]   Heap left redzone:       fa
2020-08-18 21:41:15.112111+0300 Redmond.Еда[2388:1693639]   Freed heap region:       fd
2020-08-18 21:41:15.112178+0300 Redmond.Еда[2388:1693639]   Stack left redzone:      f1
2020-08-18 21:41:15.112242+0300 Redmond.Еда[2388:1693639]   Stack mid redzone:       f2
2020-08-18 21:41:15.112309+0300 Redmond.Еда[2388:1693639]   Stack right redzone:     f3
2020-08-18 21:41:15.112435+0300 Redmond.Еда[2388:1693639]   Stack after return:      f5
2020-08-18 21:41:15.112554+0300 Redmond.Еда[2388:1693639]   Stack use after scope:   f8
2020-08-18 21:41:15.112729+0300 Redmond.Еда[2388:1693639]   Global redzone:          f9
2020-08-18 21:41:15.112801+0300 Redmond.Еда[2388:1693639]   Global init order:       f6
2020-08-18 21:41:15.112941+0300 Redmond.Еда[2388:1693639]   Poisoned by user:        f7
2020-08-18 21:41:15.113014+0300 Redmond.Еда[2388:1693639]   Container overflow:      fc
2020-08-18 21:41:15.113192+0300 Redmond.Еда[2388:1693639]   Array cookie:            ac
2020-08-18 21:41:15.113263+0300 Redmond.Еда[2388:1693639]   Intra object redzone:    bb
2020-08-18 21:41:15.113454+0300 Redmond.Еда[2388:1693639]   ASan internal:           fe
2020-08-18 21:41:15.113625+0300 Redmond.Еда[2388:1693639]   Left alloca redzone:     ca
2020-08-18 21:41:15.113840+0300 Redmond.Еда[2388:1693639]   Right alloca redzone:    cb
2020-08-18 21:41:15.113981+0300 Redmond.Еда[2388:1693639]   Shadow gap:              cc
==2388==ABORTING
Warning: hit breakpoint while running function, skipping commands and conditions to prevent recursion.
AddressSanitizer report breakpoint hit. Use 'thread info -s' to get extended information about the report.

It is crash on 104 line:

let gifProperties:CFDictionary = unsafeBitCast(gifPropertiesPointer.pointee, to: CFDictionary.self)

Crash work on this gif image (image with one frame): https://redmondeda.ru/media/203c0db5.gif

Any idea how fix it?

@carlosaguiar
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@ThePredators @StasanTelnov the same thing was happening to me and it stopped crashing when I changed the capacity to 1 (instead of 0)

let gifPropertiesPointer = UnsafeMutablePointer<UnsafeRawPointer?>.allocate(capacity: 1)

Please let me know if the same fix worked for you.

@kecskesk
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when I changed the capacity to 1 (instead of 0), it started working. Can you explain why?

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@carlosaguiar @StasanTelnov @kecskesk @ThePredators