[Bug 1748597] Re: Please backport fix for bugs.debian.org/827015

[David Bartley]

** Attachment added: "sigtest.cpp"
   https://bugs.launchpad.net/ubuntu/+source/libunwind/+bug/1748597/+attachment/5052391/+files/sigtest.cpp

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https://bugs.launchpad.net/bugs/1748597

Title:
  Please backport fix for bugs.debian.org/827015

Status in libunwind package in Ubuntu:
  New
Status in libunwind package in Debian:
  Unknown

Bug description:
  https://bugs.debian.org/827015 was incorporated into the 1.2 package
  (present on bionic); it would be really nice to backport that fix to
  all prior releases (though I mostly care about trusty and xenial).

  Without this fix, libunwind will corrupt the signal mask, which breaks
  the CPU profiler in MongoDB, among other things.

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