Addresssanitizer odr violation. Particularly interesting that the ODR violation is reported for zero_or_powers_of_10 but not bsr2log10 defined in the same function. microsoft. cc?q=kASanDefaultSuppressions as a temporary workaround. In various other cases (e. Below is my code: Apr 14, 2004 · Chrome Version: Master revision 66afc5e5 (#540276, M66 branch point) OS: Ubuntu 14. when shared libraries are involved) the linker remains silent. The following is the bug report: 3463035:M 31 Mar 2023 10:45:29. Normally, it is possible for a program linked against a shared library to override the definition within the shared library. Aug 7, 2019 · This is most likely caused by a known issue in Clang's implementation of Asan which causes it to detect false ODR violations for static data with vague linkage (normally class vtables or typeinfos). 3 only exhibit the behavior for global variables. 04. g. 6, 18. Aug 2, 2024 · -fvisibility=hidden doesn't affect anything as long as the symbols of interest are marked [[gnu::visibility("default")]]. This option is only meaningful on ELF platforms which support shared libraries. 04 What steps will reproduce the problem? (1) Build a Content API-based application with the below GN args. 0. Clang 16. Nov 14, 2022 · This seems like a false positive to me. " This informs . 04 and 16. I'm attaching a zip file with a full example: asan-odr-repro. Sep 6, 2017 · can you try to link the plugin with option: -Bsymbolic ? "When creating a shared library, bind references to global symbols to the definition within the shared library, if any. 1. org/chromium/chromium/src/+/main:build/sanitizers/asan_suppressions. Nov 13, 2022 · AddressSanitizer detect_odr_violation For an instrumented translation unit, there is a global constructor which calls __asan_register_globals to register some types of global variables (non-thread-local, defined, external/private/internal LLVM linkage, and a few other conditions). 4 and 12. cpp files and examine any resulting linkage errors. 313 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condi Nov 2, 2018 · Hello, It seems that there's a case of false odr-violation alarm with shared objects. AddressSanitizer, however, is able to detect most of the ODR violations at process startup. zip Tested on Linux x86_64. What happens instead? The application fails with the following error: ==10466==The following global variable Jul 30, 2015 · Perhaps the easiest way to find these ODR violations in this legacy code is to remove all inline specifiers from functions defined in . See full list on learn. (2) Run the application What is the expected result? The application should run. Currently it requires a special run-time switch ASAN_OPTIONS=detect_odr_violation=1 Oct 15, 2023 · The runtime checks checks whether a variable has been registered by verifying whether its redzone has been poisoned, and reports an ODR violation when the redzone has been poisoned. GCC 11. Apr 4, 2023 · Hey, we found one memory issue about odr-violation reported by AddressSanitizer. chromium. com May 10, 2023 · 如果有多个定义，就会出现ODR violation。 这通常会导致程序无法编译或者运行时出现错误。 例如，如果你在两个不同的源文件中定义了同一个全局变量，那么编译器就会报告ODR violation错误。 为了避免这种错误，你可以将该变量声明为extern。 We could try adding something like "odr_violation:core::num::flt2dec::strategy::grisu::CACHED_POW10" (not sure on the exact syntax) to https://source. 8 and main all exhibit the same behavior including for vtables. xhvg4j 8ive qcxv4b otrzrdq uprq d5qjgd xvpcx aif63tw axx uoftok