Status: Accepted
Owner: [email protected]
CC: [email protected], [email protected]
Labels: Type-Defect Priority-Medium
New issue 358 by [email protected]: A number of ASan tests fail in UAR mode
https://code.google.com/p/address-sanitizer/issues/detail?id=358
Do we support running ASan lit tests with
ASAN_OPTIONS=detect_stack_use_after_return=1 ?
It seems like they worked at some point in the past, because this mode is
exercised on the bootstrap bot. The bot was down for a long time, and now
we've got the following failures:
AddressSanitizer32 :: TestCases/contiguous_container.cc
AddressSanitizer32 :: TestCases/longjmp.cc
AddressSanitizer32 :: TestCases/stack-overflow.cc
AddressSanitizer32 :: TestCases/throw_catch.cc
AddressSanitizer64 :: TestCases/contiguous_container.cc
AddressSanitizer64 :: TestCases/longjmp.cc
AddressSanitizer64 :: TestCases/stack-overflow.cc
AddressSanitizer64 :: TestCases/throw_catch.cc
stack-overflow is quite obvious - it expects that the stack grows down.
The rest seem to be related to the way setjmp + longjmp clears stack shadow
- it seems to be less aggressive in UAR mode.
I'll disable UAR testing on the bot for now.
******************** TEST 'AddressSanitizer64 :: TestCases/throw_catch.cc'
FAILED ********************
Script:
--
/code/llvm/build-asan2/./bin/clang --driver-mode=g++ -fsanitize=address
-mno-omit-leaf-frame-pointer -fno-omit-frame-pointer
-fno-optimize-sibling-calls -gline-tables-only -m64 -O
/code/llvm/projects/compiler-rt/test/asan/TestCases/throw_catch.cc -o
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/throw_catch.cc.tmp
&&
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/throw_catch.cc.tmp
--
Exit Code: 134
Command Output (stderr):
--
Before: 0x7f8d23c00020 poisoned: 1
Throw: 0x7f8d23b00020
Catch
After: 0x7f8d23c00020 poisoned: 1
throw_catch.cc.tmp:
/code/llvm/projects/compiler-rt/test/asan/TestCases/throw_catch.cc:54: void
TestThrowInline(): Assertion `!__asan_address_is_poisoned(x + 32)' failed.
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/throw_catch.cc.script:
line
1: 32528 Aborted (core dumped)
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/throw_catch.cc.tmp
******************** TEST 'AddressSanitizer64 :: TestCases/longjmp.cc'
FAILED ********************
Script:
--
/code/llvm/build-asan2/./bin/clang --driver-mode=g++ -fsanitize=address
-mno-omit-leaf-frame-pointer -fno-omit-frame-pointer
-fno-optimize-sibling-calls -gline-tables-only -m64 -O
/code/llvm/projects/compiler-rt/test/asan/TestCases/longjmp.cc -o
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/longjmp.cc.tmp
&&
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/longjmp.cc.tmp
--
Exit Code: 134
Command Output (stderr):
--
TestLongJmp
Before: 0x7fa542900020 poisoned: 1
After: 0x7fa542900020 poisoned: 1
longjmp.cc.tmp:
/code/llvm/projects/compiler-rt/test/asan/TestCases/longjmp.cc:22: int
main(): Assertion `!__asan_address_is_poisoned(x + 32)' failed.
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/longjmp.cc.script:
line
1: 30303 Aborted (core dumped)
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/longjmp.cc.tmp
******************** TEST 'AddressSanitizer64 ::
TestCases/contiguous_container.cc' FAILED ********************
Script:
--
/code/llvm/build-asan2/./bin/clang --driver-mode=g++ -fsanitize=address
-mno-omit-leaf-frame-pointer -fno-omit-frame-pointer
-fno-optimize-sibling-calls -gline-tables-only -m64 -O
/code/llvm/projects/compiler-rt/test/asan/TestCases/contiguous_container.cc
-o
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/contiguous_container.cc.tmp
&&
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/contiguous_container.cc.tmp
--
Exit Code: 134
Command Output (stderr):
--
contiguous_container.cc.tmp:
/code/llvm/projects/compiler-rt/test/asan/TestCases/contiguous_container.cc:62:
void TestThrow(): Assertion `!__asan_address_is_poisoned(x + 14)' failed.
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/contiguous_container.cc.script:
line
1: 27664 Aborted (core dumped)
/code/llvm/build-asan2/projects/compiler-rt/test/asan/64bitConfig/TestCases/Output/contiguous_container.cc.tmp
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