Some unittests are allocating huge amount of memory and expect the allocator to fail and return NULL.

   int* ptr = (int*)calloc(sizeof(int), kOverflowIntAlloc);
   EXPECT_FALSE(ptr) << ptr;

ASAN runtime is detecting the NULL value and returns and error.


[ RUN      ] fxcrt.FX_TryAllocOverflow
==23028==AddressSanitizer's allocator is terminating the process instead of returning 0
==23028==If you don't like this behavior set allocator_may_return_null=1
==23028==AddressSanitizer CHECK failed: D:\src\llvm\llvm\projects\compiler-rt\lib\sanitizer_common\sanitizer_allocator.c
c:221 "((0)) != (0)" (0x0, 0x0)
    #0 0x2d496d9 in __asan::AsanCheckFailed d:\src\llvm\llvm\projects\compiler-rt\lib\asan\asan_rtl.cc:69
    #1 0x2d558e3 in __sanitizer::CheckFailed d:\src\llvm\llvm\projects\compiler-rt\lib\sanitizer_common\sanitizer_termin
ation.cc:79
    #2 0x2d58f58 in __sanitizer::ReportAllocatorCannotReturnNull d:\src\llvm\llvm\projects\compiler-rt\lib\sanitizer_com
mon\sanitizer_allocator.cc:221
    #3 0x2d604e3 in __asan::Allocator::Calloc d:\src\llvm\llvm\projects\compiler-rt\lib\asan\asan_allocator.cc:607
    #4 0x2d62e85 in __asan::asan_calloc d:\src\llvm\llvm\projects\compiler-rt\lib\asan\asan_allocator.cc:789
    #5 0x2d54f6b in calloc d:\src\llvm\llvm\projects\compiler-rt\lib\asan\asan_malloc_win.cc:82
    #6 0x23d83a in fxcrt_FX_TryAllocOverflow_Test::TestBody+0xd0 (D:\src\chromium\src\out\ninja\pdfium_unittests.exe+0x5
3d83a)
    #7 0x2436df4 in testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test,void>+0x53 (D:\src\chromium\
src\out\ninja\pdfium_unittests.exe+0x2736df4)
    #8 0x2415ee4 in testing::internal::HandleExceptionsInMethodIfSupported<testing::Test,void> D:\src\chromium\src\testi
ng\gtest\src\gtest.cc:2455
    #9 0x2415ad5 in testing::Test::Run D:\src\chromium\src\testing\gtest\src\gtest.cc:2474
    #10 0x24174e3 in testing::TestInfo::Run D:\src\chromium\src\testing\gtest\src\gtest.cc:2656
    #11 0x2418884 in testing::TestCase::Run D:\src\chromium\src\testing\gtest\src\gtest.cc:2774
    #12 0x2428ea6 in testing::internal::UnitTestImpl::RunAllTests+0x80a (D:\src\chromium\src\out\ninja\pdfium_unittests.
exe+0x2728ea6)
    #13 0x2436b4f in testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::TestFactoryBase,testin
g::Test *>+0x53 (D:\src\chromium\src\out\ninja\pdfium_unittests.exe+0x2736b4f)
    #14 0x24285ff in testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,bool>+0xe1 (
D:\src\chromium\src\out\ninja\pdfium_unittests.exe+0x27285ff)
    #15 0x2428310 in testing::UnitTest::Run+0x1c8 (D:\src\chromium\src\out\ninja\pdfium_unittests.exe+0x2728310)
    #16 0x2a295f in main D:\src\chromium\src\testing\gtest\src\gtest_main.cc:36
    #17 0x2d6db28 in __scrt_common_main_seh f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253
    #18 0x77403369 in BaseThreadInitThunk+0x11 (C:\Windows\syswow64\kernel32.dll+0x7dd73369)
    #19 0x77939901 in RtlInitializeExceptionChain+0x62 (C:\Windows\SysWOW64\ntdll.dll+0x7dea9901)
    #20 0x779398d4 in RtlInitializeExceptionChain+0x35 (C:\Windows\SysWOW64\ntdll.dll+0x7dea98d4)


For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.