group.of.nepali.translators team mailing list archive

[Stefan Bader <stefan.bader@xxxxxxxxxxxxx>]

The 4.4 kernel is now available and shows no issues.

** Changed in: xen (Ubuntu Xenial)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1538049

Title:
  xenstore crashes with SIGBUS in domain_can_read()

Status in xen package in Ubuntu:
  Fix Released
Status in xen source package in Xenial:
  Fix Released

Bug description:
  Problem got introduced by xen-4.6 in Xenial. Older versions are
  unaffected.

  Testcase:
   - Start one additional domU (PV or HVM does not matter)
   - Repeatedly execute "xenstore-ls"

  Eventually the xenstore-ls call locks up while xenstored crashes when
  it tries to access memory in

  tools/xenstore/xenstored_domain.c:255 domain_can_read(struct
  connection *conn)

  Debugging shows that conn->domain->interface at the time of crash
  returns a completely different address than before (there should only
  be one per running domain, so 2).

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