System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests failing on Bitmaps

[ericstj]

Build	Kind	Console Log
579823	PR #34283	console.log
579750	PR #34249	console.log
579797	PR #33890	console.log
579787	PR #34025	console.log
579684	PR #32592	console.log
579587	PR #34225	console.log
579596	PR #34046	console.log
579675	PR #34086	console.log
579375	PR #34154	console.log
579629	PR #34022	console.log
579589	PR #34166	console.log
579412	PR #34263	console.log
579508	PR #34064	console.log
579319	PR #34261	console.log
579539	PR #34275	console.log
579428	PR #32592	console.log
579536	PR #34275	console.log
579294	PR #32592	console.log

Sample failures:

    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateAgainstBlobs(obj: Bitmap { Flags = 73744, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 96, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, blobs: [System.Runtime.Serialization.Formatters.Tests.TypeSerializableValue, System.Runtime.Serialization.Formatters.Tests.TypeSerializableValue]) [FAIL]
      Assert.Equal() Failure
      Expected: 73744
      Actual:   77840
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1236,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.RoundtripManyObjectsInOneStream [FAIL]
      Assert.Equal() Failure
      Expected: 86265190
      Actual:   86266510
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Full, filterLevel: Full, typeFormat: TypesAlways) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Full, filterLevel: Full, typeFormat: TypesWhenNeeded) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Full, filterLevel: Full, typeFormat: XsdString) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Full, filterLevel: Low, typeFormat: TypesAlways) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Full, filterLevel: Low, typeFormat: TypesWhenNeeded) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Full, filterLevel: Low, typeFormat: XsdString) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Simple, filterLevel: Full, typeFormat: TypesAlways) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Simple, filterLevel: Full, typeFormat: TypesWhenNeeded) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Simple, filterLevel: Full, typeFormat: XsdString) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Simple, filterLevel: Low, typeFormat: TypesAlways) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Simple, filterLevel: Low, typeFormat: TypesWhenNeeded) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
    System.Runtime.Serialization.Formatters.Tests.BinaryFormatterTests.ValidateBasicObjectsRoundtrip(obj: Bitmap { Flags = 77840, FrameDimensionsList = [7462dc86-6180-4c7e-8e3f-ee7333a7a483], Height = 100, HorizontalResolution = 86265340, Palette = ColorPalette { Entries = [...], Flags = 0 }, ... }, assemblyFormat: Simple, filterLevel: Low, typeFormat: XsdString) [FAIL]
      Assert.Equal() Failure
      Expected: 86265340
      Actual:   86266570
      Stack Trace:
        /_/src/libraries/System.Runtime.Serialization.Formatters/tests/EqualityExtensions.cs(1237,0): at System.Runtime.Serialization.Formatters.Tests.EqualityExtensions.IsEqual(Bitmap this, Bitmap other, Boolean isSamePlatform)
  Finished:    System.Runtime.Serialization.Formatters.Tests

@jkotas do you think this might be related to #33967

[ericstj]

/cc @dotnet/runtime-infrastructure

[safern]

Dupe of: #28553