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Segfault when instrumenting program #99

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MathieuDuponchelle opened this issue Oct 14, 2022 · 1 comment
Open

Segfault when instrumenting program #99

MathieuDuponchelle opened this issue Oct 14, 2022 · 1 comment

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@MathieuDuponchelle
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MathieuDuponchelle commented Oct 14, 2022 •
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I have successfully built and installed libmesh now (thanks @bpowers btw), and it appears to work as expected:

 meh  ~  1  MALLOCSTATS=1 LD_PRELOAD=/usr/lib/libmesh.so git status
fatal: not a git repository (or any parent up to mount point /)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
MESH COUNT:         0
Meshed MB (total):  0.0
Meshed pages HWM:   0
Meshed MB HWM:      0.0
MH Alloc Count:     409
MH Free  Count:     0
MH High Water Mark: 409
 meh  ~  1  128 

However I get an instant segfault when trying to run a GStreamer program:

meh   f4692cb  …  gstreamer  sandbox  webrtcsink  1  MALLOCSTATS=1 LD_PRELOAD=/usr/lib/libmesh.so gst-inspect-1.0 fakesrc
segfault (1/0x3200000075): in arena? 0
^CAborted (core dumped)
 meh   f4692cb  …  gstreamer  sandbox  webrtcsink  1  SIGABRT 

I couldn't find info in the README about what I could provide to help debug this, just let me know :)
@nirbheek
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I can reproduce it too, even the simplest gstreamer program causes the segfault.

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@nirbheek @MathieuDuponchelle