On Dienstag, 20. Juni 2017 16:15:14 CEST Ali Nakipoglu wrote: > Hi, > > Hope everyone very well. > > Im working on a memory tracking tool that gets linked at run-time via > LD_PRELOAD.
I can't help you with the actual bug as I haven't encountered it myself. But the above sounds very much like my heaptrack tool: https://github.com/KDE/heaptrack May I invite you to collaborate? Cheers > It's using libunwind to get stack trace information. With > most of the test applications its working fine but, there is one that > libunwind always crashes with the stack trace: > > #0 0x00007ffff7bbfe74 in access_mem () from /build-debug/Intercept.so > #1 0x00007ffff7bbf724 in _Ux86_64_step () from /build-debug/Intercept.so > #2 0x00007ffff7bbc2b8 in Intercept::trace() () at > /src/Intercept/Intercept.cpp:185 > #3 0x00007ffff7bbc4c3 in calloc () at src/Intercept/Intercept.cpp:252 > #4 0x00007fffe35f1b33 in ?? () from /usr/lib64/nvidia/libGL.so.1 > #5 0x00007fffcb50302e in ?? () from > /usr/lib64/nvidia/libnvidia-glcore.so.375.39 > #6 0x00007fffcb50c11b in ?? () from > /usr/lib64/nvidia/libnvidia-glcore.so.375.39 > #7 0x00007fffcb50d1b8 in ?? () from > /usr/lib64/nvidia/libnvidia-glcore.so.375.39 > #8 0x00007fffcb510c63 in ?? () from > /usr/lib64/nvidia/libnvidia-glcore.so.375.39 > #9 0x00007fffcb6686f3 in ?? () from > /usr/lib64/nvidia/libnvidia-glcore.so.375.39 > #10 0x00007fffcb63be54 in ?? () from > /usr/lib64/nvidia/libnvidia-glcore.so.375.39 > #11 0x00007fffcb63d647 in ?? () from > /usr/lib64/nvidia/libnvidia-glcore.so.375.39 > #12 0x00007fffcb655f24 in ?? () from > /usr/lib64/nvidia/libnvidia-glcore.so.375.39 > > Libunwind 1.2.1. > > Is there a way to bypass it or its is a bug? Can CONSERVATIVE_CHECKS > (https://github.com/pathscale/libunwind/blob/1fcbfc649837d2a28e1901986437ca6 > bf9c4f4d4/src/x86_64/Gstep.c#L61) build flag solve this? > > Many thanks, > > Ali > > _______________________________________________ > Libunwind-devel mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/libunwind-devel -- Milian Wolff [email protected] http://milianw.de _______________________________________________ Libunwind-devel mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/libunwind-devel
