[PATCH] D32197: [TySan] A Type Sanitizer (Runtime Library)

[Will Harris via Phabricator via llvm-commits]

wfh added a comment.

FWIW - I tried this with chromium base/ and it fails on base/allocator/tcmalloc/internal_logging.cc

FAILED: obj/base/allocator/tcmalloc/internal_logging.o 
../../../../llvm/build/bin/clang++ -MMD -MF obj/base/allocator/tcmalloc/internal_logging.o.d -DNO_HEAP_CHECK -DV8_DEPRECATION_WARNINGS -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_NSS_CERTS=1 -DUSE_X11=1 -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DFIELDTRIAL_TESTING_ENABLED -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DCR_CLANG_REVISION=\"315613-1\" -DCOMPONENT_BUILD -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DTCMALLOC_DONT_REPLACE_SYSTEM_ALLOC -I../../base/allocator -I../../third_party/tcmalloc/chromium/src/base -I../../third_party/tcmalloc/chromium/src -I../.. -Igen -fno-strict-aliasing --param=ssp-buffer-size=4 -fstack-protector -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -funwind-tables -fPIC -pipe -B../../third_party/binutils/Linux_x64/Release/bin -pthread -fcolor-diagnostics -Xclang -mllvm -Xclang -instcombine-lower-dbg-declare=0 -no-canonical-prefixes -m64 -march=x86-64 -fno-omit-frame-pointer -g1 -gline-tables-only -gcolumn-info -fno-omit-frame-pointer -fsanitize=type -fsanitize-blacklist=../../tools/tysan/blacklist.txt -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Werror -Wall -Wno-unused-variable -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Wno-undefined-var-template -Wno-nonportable-include-path -Wno-address-of-packed-member -Wno-unused-lambda-capture -Wno-user-defined-warnings -Wno-enum-compare-switch -Wno-tautological-unsigned-zero-compare -Wno-null-pointer-arithmetic -Wno-tautological-unsigned-enum-zero-compare -Wno-reorder -Wno-unused-function -Wno-unused-local-typedefs -Wno-unused-private-field -Wno-sign-compare -Wno-unused-result -O2 -fno-ident -fdata-sections -ffunction-sections -std=gnu++14 -fno-rtti -nostdinc++ -isystem../../buildtools/third_party/libc++/trunk/include -isystem../../buildtools/third_party/libc++abi/trunk/include --sysroot=../../build/linux/debian_jessie_amd64-sysroot -fno-exceptions -fvisibility-inlines-hidden -c ../../third_party/tcmalloc/chromium/src/internal_logging.cc -o obj/base/allocator/tcmalloc/internal_logging.o

Instruction does not dominate all uses!

  %15 = load i64, i64* @__tysan_app_memory_mask
  %1 = and i64 %0, %15

Instruction does not dominate all uses!

  %16 = load i64, i64* @__tysan_shadow_memory_address
  %3 = add i64 %2, %16

Instruction does not dominate all uses!

  %15 = load i64, i64* @__tysan_app_memory_mask
  %6 = and i64 %5, %15

Instruction does not dominate all uses!

  %16 = load i64, i64* @__tysan_shadow_memory_address
  %8 = add i64 %7, %16

Instruction does not dominate all uses!

  %15 = load i64, i64* @__tysan_app_memory_mask
  %11 = and i64 %10, %15

Instruction does not dominate all uses!

  %16 = load i64, i64* @__tysan_shadow_memory_address
  %13 = add i64 %12, %16

can provide more info on request... for now I'm just disabling tcmalloc and seeing how much further I can get...


https://reviews.llvm.org/D32197