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Return NULL for mmap fail case on Unix #78069

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Merged
janvorli merged 7 commits into from
Nov 10, 2022
Merged

Return NULL for mmap fail case on Unix #78069

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9a8a047
Return NULL for mmap fail case on Unix
wscho77 Nov 8, 2022
8eb5724
call memset when mmap succeeds
wscho77 Nov 8, 2022
3b75352
check MAP_FAILED instead of NULL
wscho77 Nov 8, 2022
c50ee0e
return false for failing mmap
wscho77 Nov 9, 2022
d9d1f0a
Call g_fatalErrorHandler if releasing failed
wscho77 Nov 9, 2022
936acd6
Update src/coreclr/utilcode/executableallocator.cpp
wscho77 Nov 9, 2022
3e1850c
Fix wrong condition check
wscho77 Nov 9, 2022
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Fix wrong condition check
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@wscho77
wscho77 committed Nov 9, 2022
commit 3e1850c1945d7af7e0e003ae38e6da12ddd8af0a
2 changes: 1 addition & 1 deletion src/coreclr/minipal/Unix/doublemapping.cpp
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Expand Up @@ -198,7 +198,7 @@ bool VMToOSInterface::ReleaseDoubleMappedMemory(void *mapperHandle, void* pStart
{
#ifndef TARGET_OSX
int fd = (int)(size_t)mapperHandle;
if (mmap(pStart, size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd, offset) != MAP_FAILED)
if (mmap(pStart, size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd, offset) == MAP_FAILED)
{
return false;
}
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