So I have take a good hard stare at the problem, as well as sitting down
and writing some test code to verify the code works the way I think it
does.
The following two patches are how I think this bit of chaos needs to be
solved. If folks could take a once over these patches and possibly test
them to confirm they fix your issues I would appreciate it.
Eric W. Biederman (2):
unshare: Unsharing a thread does not require unsharing a vm
userns,pidns: Force thread group sharing, not signal handler sharing.
kernel/fork.c | 32 ++++++++++++++++++--------------
kernel/user_namespace.c | 4 ++--
2 files changed, 20 insertions(+), 16 deletions(-)
Eric
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