[Bug 1841006] Re: gdb reports a segfault in ld-linux.so.3 on armhf

Michael Hudson-Doyle mwhudsonlp at fastmail.fm
Thu Aug 22 01:15:40 UTC 2019


I don't really know what is happening here but I suspect pretty strongly
it's related to systemtap static probes, because if I do this:

root at helped-oyster:~# cp /lib/ld-linux-armhf.so.3  .
root at helped-oyster:~# objcopy -R .note.stapsdt ld-linux-armhf.so.3 ld-linux-armhf.so.3-nostap
root at helped-oyster:~# gdb --args ./ld-linux-armhf.so.3-nostap /bin/true

Everything behaves as expected. I can't find a command line option to
disable systemtap probes, which seems a bit of a strange choice...

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https://bugs.launchpad.net/bugs/1841006

Title:
  gdb reports a segfault in ld-linux.so.3 on armhf

Status in binutils package in Ubuntu:
  New

Bug description:
  In an eoan armhf container on a disco arm64 vm:

  root at helped-oyster:~# gdb /bin/true
  GNU gdb (Ubuntu 8.3-0ubuntu1) 8.3
  ...
  (gdb) r
  Starting program: /usr/bin/true 

  Program received signal SIGSEGV, Segmentation fault.
  0xf7fc8ee0 in ?? () from /lib/ld-linux-armhf.so.3

  It happens in a disco container too.

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