2017-04-28 12:25 GMT+02:00 Erik de Castro Lopo via cfe-users <cfe-users@lists.llvm.org>: > Hi all, > > I've tried Clang versions 3.6, 3.9 and 5.0 (all installed from Debian > packages on a Debian x86_64 machine), but I still can't get Memory > Sanitizer to give me the error file and line number locations. > > The project is > > http://github.com/erikd/libsndfile > > and I'm configuring/building it with eg: > > CC=clang-5.0 > CXX=clang++-5.0 > CFLAGS="-fsanitize=memory -fno-omit-frame-pointer -g > -Wno-expansion-to-defined" > CXXFLAGS=$CFLAGS > ./configure --enable-werror --disable-shared > make clean all check > > and I get: > > broadcast_test : broadcast.rf64 .......... > Uninitialized bytes in __interceptor_write at offset 36 inside > [0x710000000000, 104) > ==15113==WARNING: MemorySanitizer: use-of-uninitialized-value > #0 0x67802e (/home/erik/Git/libsndfile/tests/command_test+0x67802e) > #1 0x600404 (/home/erik/Git/libsndfile/tests/command_test+0x600404) > #2 0x5f72f6 (/home/erik/Git/libsndfile/tests/command_test+0x5f72f6) > #3 0x4be48b (/home/erik/Git/libsndfile/tests/command_test+0x4be48b) > #4 0x4c06d6 (/home/erik/Git/libsndfile/tests/command_test+0x4c06d6) > #5 0x4b1cfc (/home/erik/Git/libsndfile/tests/command_test+0x4b1cfc) > #6 0x4a10c6 (/home/erik/Git/libsndfile/tests/command_test+0x4a10c6) > #7 0x495dbf (/home/erik/Git/libsndfile/tests/command_test+0x495dbf) > #8 0x7f3f37cf22b0 (/lib/x86_64-linux-gnu/libc.so.6+0x202b0) > #9 0x41ef79 (/home/erik/Git/libsndfile/tests/command_test+0x41ef79) > > I expected to get file and line number position as shown in the documentation. > > Clues?
I often need to set the ASAN_SYMBOLIZER_PATH: https://clang.llvm.org/docs/AddressSanitizer.html#id4 It often tends to be wrong by package default... HTH Rainer > > Erik > -- > ---------------------------------------------------------------------- > Erik de Castro Lopo > http://www.mega-nerd.com/ > _______________________________________________ > cfe-users mailing list > cfe-users@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-users _______________________________________________ cfe-users mailing list cfe-users@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-users
