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flann-lib / flann

Fast Library for Approximate Nearest Neighbors
http://people.cs.ubc.ca/~mariusm/flann
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Memory leaks in nn_index by valgrind #423

Open kings-landing opened 5 years ago

kings-landing commented 5 years ago

I'm using latest github code. Memory leaks found by valgrind.

==31657== by 0x4F8EFC7: flann::NNIndex<flann::L2 >::knnSearch(flann::Matrix const&, flann::Matrix&, flann::Matrix&, unsigned long, flann::SearchParams const&) const ... ==31657== Address 0x0 is not stack'd, malloc'd or (recently) free'd ... ==32331== 2,272 bytes in 1 blocks are possibly lost in loss record 100 of 149 ==32331== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ... ==32331== LEAK SUMMARY: ==32331== definitely lost: 0 bytes in 0 blocks ==32331== indirectly lost: 0 bytes in 0 blocks ==32331== possibly lost: 309,451 bytes in 23 blocks ==32331== still reachable: 4,413,090 bytes in 150 blocks ==32331== suppressed: 0 bytes in 0 blocks ==32331== Reachable blocks (those to which a pointer was found) are not shown. ==32331== To see them, rerun with: --leak-check=full --show-leak-kinds=all ==32331== ==32331== For counts of detected and suppressed errors, rerun with: -v ==32331== ERROR SUMMARY: 24 errors from 24 contexts (suppressed: 0 from 0)

kings-landing commented 5 years ago

@mariusmuja Any update on this issue? Thanks!