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Issue 748: Likely improperly handled ioctl in bcrypt.dll causes false positive uninit
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Project Member Reported by rnk@google.com, Jan 12, 2012
Report:
http://build.chromium.org/p/chromium.fyi/builders/Windows%20Tests%20%28DrMemory%20full%29/builds/333/steps/memory%20test%3A%20crypto/logs/stdio

UNINITIALIZED READ: reading 0x0046f9f0-0x0046f9f4 4 byte(s) within 0x0046f9e4-0x0046fa4c
# 0 system call NtDeviceIoControlFile InputBuffer
# 1 bcrypt.dll!BCryptUnregisterConfigChangeNotify              +0x87     (0x748038b5 <bcrypt.dll+0x38b5>)
# 2 bcrypt.dll!BCryptGetFipsAlgorithmMode                      +0x6a0    (0x748037d8 <bcrypt.dll+0x37d8>)
# 3 ntdll.dll!RtlQueryEnvironmentVariable                      +0x240    (0x77c59930 <ntdll.dll+0x39930>)
# 4 ntdll.dll!LdrShutdownProcess                               +0x140    (0x77c78fba <ntdll.dll+0x58fba>)
# 5 ntdll.dll!RtlExitUserProcess                               +0x73     (0x77c78e5c <ntdll.dll+0x58e5c>)
# 6 KERNEL32.dll!ExitProcess                                   +0x14     (0x760679f5 <KERNEL32.dll+0x179f5>)
# 7 __crtExitProcess                                            [f:\dd\vctools\crt_bld\self_x86\crt\src\crt0dat.c:731]
# 8 doexit                                                      [f:\dd\vctools\crt_bld\self_x86\crt\src\crt0dat.c:644]
# 9 exit                                                        [f:\dd\vctools\crt_bld\self_x86\crt\src\crt0dat.c:412]
#10 __tmainCRTStartup                                           [f:\dd\vctools\crt_bld\self_x86\crt\src\crt0.c:270]
#11 mainCRTStartup                                              [f:\dd\vctools\crt_bld\self_x86\crt\src\crt0.c:181]
#12 KERNEL32.dll!BaseThreadInitThunk

This was encountered during shutdown while running crypto_unittests.exe from Chromium.
Jan 27, 2012
Project Member #1 rnk@google.com
(No comment was entered for this change.)
Labels: FalsePos-Syscall
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