46860 – [tsan] Multiple TSAN assertions in tests with COMPILER_RT_DEBUG=ON

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Bug 46860 - [tsan] Multiple TSAN assertions in tests with COMPILER_RT_DEBUG=ON

Summary: [tsan] Multiple TSAN assertions in tests with COMPILER_RT_DEBUG=ON

Status:	NEW

Alias:	None

Product:	compiler-rt
Classification:	Unclassified
Component:	tsan (show other bugs)
Version:	unspecified
Hardware:	PC All

Importance:	P enhancement
Assignee:	Unassigned LLVM Bugs

URL:
Keywords:

Depends on:
Blocks:

Reported:	2020-07-27 05:16 PDT by Alexander Richardson
Modified:	2020-07-27 05:16 PDT (History)
CC List:	1 user (show)

See Also:
Fixed By Commit(s):

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Description Alexander Richardson 2020-07-27 05:16:04 PDT

I am seeing the following test failures on Linux x86_64 (Ubuntu 18.04) with commit 1956cf1042d3c406d9e9cefe47d3b43adf2bdbe1 from earlier today.

  SanitizerCommon-tsan-x86_64-Linux :: Linux/allow_user_segv.cpp
  SanitizerCommon-tsan-x86_64-Linux :: Linux/signal_line.cpp
  SanitizerCommon-tsan-x86_64-Linux :: Posix/dedup_token_length_test.cpp
  SanitizerCommon-tsan-x86_64-Linux :: Posix/illegal_read_test.cpp
  SanitizerCommon-tsan-x86_64-Linux :: Posix/illegal_write_test.cpp
  SanitizerCommon-tsan-x86_64-Linux :: Posix/sanitizer_set_report_fd_test.cpp

The backtraces are all similar:


  SanitizerCommon-tsan-x86_64-Linux :: Linux/allow_user_segv.cpp
User sigaction installed
FATAL: ThreadSanitizer CHECK failed: /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798 "((IsAppMem(x))) != (0)" (0x0, 0x0)
    #0 __tsan::TsanCheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cpp:47:25 (allow_user_segv.cpp.tmp+0x515b25)
    #1 __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_termination.cpp:78:5 (allow_user_segv.cpp.tmp+0x437fd3)
    #2 unsigned long __tsan::MemToShadowImpl<__tsan::Mapping>(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798:3 (allow_user_segv.cpp.tmp+0x4a475d)
    #3 __tsan::MemToShadow(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:832:10 (allow_user_segv.cpp.tmp+0x4f433e)
    #4 __tsan::MemoryAccess(__tsan::ThreadState*, unsigned long, unsigned long, int, bool, bool) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.cpp:830 (allow_user_segv.cpp.tmp+0x4f433e)
    #5 __tsan::MemoryRead(__tsan::ThreadState*, unsigned long, unsigned long, int) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.h:742 (allow_user_segv.cpp.tmp+0x4f433e)
    #6 __tsan_read4 /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h:29 (allow_user_segv.cpp.tmp+0x4f433e)
    #7 DoSEGV() /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Linux/allow_user_segv.cpp:51:10 (allow_user_segv.cpp.tmp+0x5253cb)
    #8 main /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Linux/allow_user_segv.cpp:72:10 (allow_user_segv.cpp.tmp+0x525581)
    #9 __libc_start_main /build/glibc-2ORdQG/glibc-2.27/csu/../csu/libc-start.c:310 (libc.so.6+0x21b96)
    #10 _start <null> (allow_user_segv.cpp.tmp+0x41d479)



  SanitizerCommon-tsan-x86_64-Linux :: Linux/signal_line.cpp
FATAL: ThreadSanitizer CHECK failed: /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798 "((IsAppMem(x))) != (0)" (0x0, 0x0)
    #0 __tsan::TsanCheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cpp:47:25 (signal_line.cpp.tmp+0x515a05)
    #1 __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_termination.cpp:78:5 (signal_line.cpp.tmp+0x437eb3)
    #2 unsigned long __tsan::MemToShadowImpl<__tsan::Mapping>(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798:3 (signal_line.cpp.tmp+0x4a463d)
    #3 __tsan::MemToShadow(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:832:10 (signal_line.cpp.tmp+0x4fadde)
    #4 __tsan::MemoryAccess(__tsan::ThreadState*, unsigned long, unsigned long, int, bool, bool) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.cpp:830 (signal_line.cpp.tmp+0x4fadde)
    #5 __tsan::MemoryWrite(__tsan::ThreadState*, unsigned long, unsigned long, int) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.h:747 (signal_line.cpp.tmp+0x4fadde)
    #6 __tsan_write4 /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h:45 (signal_line.cpp.tmp+0x4fadde)
    #7 main /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Linux/signal_line.cpp:16:28 (signal_line.cpp.tmp+0x52515c)
    #8 __libc_start_main /build/glibc-2ORdQG/glibc-2.27/csu/../csu/libc-start.c:310 (libc.so.6+0x21b96)
    #9 _start <null> (signal_line.cpp.tmp+0x41d359)


  SanitizerCommon-tsan-x86_64-Linux :: Posix/dedup_token_length_test.cpp
env 'TSAN_OPTIONS=abort_on_error=0, dedup_token_length=1' /local/scratch/alr48/cheri/build/upstream-llvm-project-build/projects/compiler-rt/test/sanitizer_common/tsan-x86_64-Linux/Posix/Output/dedup_token_length_test.cpp.tmp
FATAL: ThreadSanitizer CHECK failed: /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798 "((IsAppMem(x))) != (0)" (0x0, 0x0)
    #0 __tsan::TsanCheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cpp:47:25 (dedup_token_length_test.cpp.tmp+0x515a85)
    #1 __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_termination.cpp:78:5 (dedup_token_length_test.cpp.tmp+0x437f33)
    #2 unsigned long __tsan::MemToShadowImpl<__tsan::Mapping>(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798:3 (dedup_token_length_test.cpp.tmp+0x4a46bd)
    #3 __tsan::MemToShadow(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:832:10 (dedup_token_length_test.cpp.tmp+0x4fae5e)
    #4 __tsan::MemoryAccess(__tsan::ThreadState*, unsigned long, unsigned long, int, bool, bool) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.cpp:830 (dedup_token_length_test.cpp.tmp+0x4fae5e)
    #5 __tsan::MemoryWrite(__tsan::ThreadState*, unsigned long, unsigned long, int) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.h:747 (dedup_token_length_test.cpp.tmp+0x4fae5e)
    #6 __tsan_write4 /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h:45 (dedup_token_length_test.cpp.tmp+0x4fae5e)
    #7 void Xyz::Abc<int, int>() /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Posix/dedup_token_length_test.cpp:17:11 (dedup_token_length_test.cpp.tmp+0x525279)
    #8 bar /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Posix/dedup_token_length_test.cpp:22:3 (dedup_token_length_test.cpp.tmp+0x525181)
    #9 FOO() /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Posix/dedup_token_length_test.cpp:26:3 (dedup_token_length_test.cpp.tmp+0x5251a5)
    #10 main /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Posix/dedup_token_length_test.cpp:30:3 (dedup_token_length_test.cpp.tmp+0x5251fd)
    #11 __libc_start_main /build/glibc-2ORdQG/glibc-2.27/csu/../csu/libc-start.c:310 (libc.so.6+0x21b96)
    #12 _start <null> (dedup_token_length_test.cpp.tmp+0x41d3d9)


  SanitizerCommon-tsan-x86_64-Linux :: Posix/illegal_read_test.cpp
FATAL: ThreadSanitizer CHECK failed: /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798 "((IsAppMem(x))) != (0)" (0x0, 0x0)
    #0 __tsan::TsanCheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cpp:47:25 (illegal_read_test.cpp.tmp+0x5159b5)
    #1 __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_termination.cpp:78:5 (illegal_read_test.cpp.tmp+0x437e63)
    #2 unsigned long __tsan::MemToShadowImpl<__tsan::Mapping>(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798:3 (illegal_read_test.cpp.tmp+0x4a45ed)
    #3 __tsan::MemToShadow(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:832:10 (illegal_read_test.cpp.tmp+0x4f41ce)
    #4 __tsan::MemoryAccess(__tsan::ThreadState*, unsigned long, unsigned long, int, bool, bool) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.cpp:830 (illegal_read_test.cpp.tmp+0x4f41ce)
    #5 __tsan::MemoryRead(__tsan::ThreadState*, unsigned long, unsigned long, int) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.h:742 (illegal_read_test.cpp.tmp+0x4f41ce)
    #6 __tsan_read4 /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h:29 (illegal_read_test.cpp.tmp+0x4f41ce)
    #7 main /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Posix/illegal_read_test.cpp:11:7 (illegal_read_test.cpp.tmp+0x5250f8)
    #8 __libc_start_main /build/glibc-2ORdQG/glibc-2.27/csu/../csu/libc-start.c:310 (libc.so.6+0x21b96)
    #9 _start <null> (illegal_read_test.cpp.tmp+0x41d309)

  SanitizerCommon-tsan-x86_64-Linux :: Posix/illegal_write_test.cpp
FATAL: ThreadSanitizer CHECK failed: /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798 "((IsAppMem(x))) != (0)" (0x0, 0x0)
    #0 __tsan::TsanCheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cpp:47:25 (illegal_write_test.cpp.tmp+0x5159b5)
    #1 __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_termination.cpp:78:5 (illegal_write_test.cpp.tmp+0x437e63)
    #2 unsigned long __tsan::MemToShadowImpl<__tsan::Mapping>(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798:3 (illegal_write_test.cpp.tmp+0x4a45ed)
    #3 __tsan::MemToShadow(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:832:10 (illegal_write_test.cpp.tmp+0x4fad8e)
    #4 __tsan::MemoryAccess(__tsan::ThreadState*, unsigned long, unsigned long, int, bool, bool) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.cpp:830 (illegal_write_test.cpp.tmp+0x4fad8e)
    #5 __tsan::MemoryWrite(__tsan::ThreadState*, unsigned long, unsigned long, int) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.h:747 (illegal_write_test.cpp.tmp+0x4fad8e)
    #6 __tsan_write4 /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h:45 (illegal_write_test.cpp.tmp+0x4fad8e)
    #7 main /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Posix/illegal_write_test.cpp:10:9 (illegal_write_test.cpp.tmp+0x5250f8)
    #8 __libc_start_main /build/glibc-2ORdQG/glibc-2.27/csu/../csu/libc-start.c:310 (libc.so.6+0x21b96)
    #9 _start <null> (illegal_write_test.cpp.tmp+0x41d309)


  SanitizerCommon-tsan-x86_64-Linux :: Posix/sanitizer_set_report_fd_test.cpp
FATAL: ThreadSanitizer CHECK failed: /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798 "((IsAppMem(x))) != (0)" (0x0, 0x0)
    #0 __tsan::TsanCheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cpp:47:25 (sanitizer_set_report_fd_test.cpp.tmp+0x515ad5)
    #1 __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_termination.cpp:78:5 (sanitizer_set_report_fd_test.cpp.tmp+0x437f83)
    #2 unsigned long __tsan::MemToShadowImpl<__tsan::Mapping>(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:798:3 (sanitizer_set_report_fd_test.cpp.tmp+0x4a470d)
    #3 __tsan::MemToShadow(unsigned long) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h:832:10 (sanitizer_set_report_fd_test.cpp.tmp+0x4faeae)
    #4 __tsan::MemoryAccess(__tsan::ThreadState*, unsigned long, unsigned long, int, bool, bool) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.cpp:830 (sanitizer_set_report_fd_test.cpp.tmp+0x4faeae)
    #5 __tsan::MemoryWrite(__tsan::ThreadState*, unsigned long, unsigned long, int) /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl.h:747 (sanitizer_set_report_fd_test.cpp.tmp+0x4faeae)
    #6 __tsan_write4 /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h:45 (sanitizer_set_report_fd_test.cpp.tmp+0x4faeae)
    #7 main /local/scratch/alr48/cheri/upstream-llvm-project/compiler-rt/test/sanitizer_common/TestCases/Posix/sanitizer_set_report_fd_test.cpp:31:9 (sanitizer_set_report_fd_test.cpp.tmp+0x525238)
    #8 __libc_start_main /build/glibc-2ORdQG/glibc-2.27/csu/../csu/libc-start.c:310 (libc.so.6+0x21b96)
    #9 _start <null> (sanitizer_set_report_fd_test.cpp.tmp+0x41d429)