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When the ASan runtime is linked using --as-needed, its dependency on the
C++ standard library is stripped. This results to a failure to properly
handled exceptions when a C++ dynamically loaded .so is used, as in the
Python unit tests that load the libcamera Python module:
AddressSanitizer: CHECK failed: asan_interceptors.cpp:335 "((__interception::real___cxa_throw)) != (0)" (0x0, 0x0) (tid=32679)
#0 0x7fa2f32e6c19 in CheckUnwind /var/tmp/portage/sys-devel/gcc-13.3.1_p20241025/work/gcc-13-20241025/libsanitizer/asan/asan_rtl.cpp:69
#1 0x7fa2f330c9fd in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) /var/tmp/portage/sys-devel/gcc-13.3.1_p20241025/work/gcc-13-20241025/libsanitizer/sanitizer_common/sanitizer_termination.cpp:86
#2 0x7fa2f3247824 in __interceptor___cxa_throw /var/tmp/portage/sys-devel/gcc-13.3.1_p20241025/work/gcc-13-20241025/libsanitizer/asan/asan_interceptors.cpp:335
#3 0x7fa2f3247824 in __interceptor___cxa_throw /var/tmp/portage/sys-devel/gcc-13.3.1_p20241025/work/gcc-13-20241025/libsanitizer/asan/asan_interceptors.cpp:334
#4 0x7fa2efb6da8b in operator() ../../src/py/libcamera/py_main.cpp:157
[...]
The issue has been reported in [1] and so far remains unfixed. Work
around it by preloading the C++ standard library.
[1] https://github.com/google/sanitizers/issues/934
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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| .. | ||
| camera | ||
| controls | ||
| gstreamer | ||
| ipa | ||
| ipc | ||
| libtest | ||
| log | ||
| media_device | ||
| process | ||
| py | ||
| serialization | ||
| stream | ||
| v4l2_compat | ||
| v4l2_subdevice | ||
| v4l2_videodevice | ||
| bayer-format.cpp | ||
| byte-stream-buffer.cpp | ||
| camera-sensor.cpp | ||
| color-space.cpp | ||
| delayed_controls.cpp | ||
| event-dispatcher.cpp | ||
| event-thread.cpp | ||
| event.cpp | ||
| fence.cpp | ||
| file.cpp | ||
| flags.cpp | ||
| geometry.cpp | ||
| hotplug-cameras.cpp | ||
| mapped-buffer.cpp | ||
| meson.build | ||
| message.cpp | ||
| object-delete.cpp | ||
| object-invoke.cpp | ||
| object.cpp | ||
| pixel-format.cpp | ||
| public-api.cpp | ||
| shared-fd.cpp | ||
| signal-threads.cpp | ||
| signal.cpp | ||
| span.cpp | ||
| threads.cpp | ||
| timer-fail.cpp | ||
| timer-thread.cpp | ||
| timer.cpp | ||
| transform.cpp | ||
| unique-fd.cpp | ||
| utils.cpp | ||
| yaml-parser.cpp | ||