Re: [patch] thread-aware coredumps, 2.5.43-C3

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Mon Oct 21 2002 - 09:29:33 EST


On Thu, 2002-10-17 at 17:40, Daniel Jacobowitz wrote:
> My only problem with this is that you're waiting for all threads by
> SIGKILLing them. If a process vforks or clones, and then the child
> crashes, the parent will receive a SIGKILL - iff we are dumping core.
> That's a change in behavior that seems a bit too arbitrary to me.

It also has a security impact when you construct a fork/fork/crash
sequence that sends sigkill to the module loader or a kernel thread
during start up that has not yet dropped its association with the user
code.

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