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Date:      Tue, 20 Aug 2019 18:04:46 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 239894] security.bsd.stack_guard_page default causes Java to crash
Message-ID:  <bug-239894-227-irfzDitzzM@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-239894-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-239894-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D239894

--- Comment #5 from Konstantin Belousov <kib@FreeBSD.org> ---
(In reply to Greg Lewis from comment #3)
I am not proposing to interpret any SIGSEGV as a stack overflow.  I propose=
 to
consider a SIGSEGV as the stack overflow if it occured in the range of
[guard_start; stack_end) for the given stack, instead of the current
implementation which considers the range [guard_start; guard_end) (at least
this is how I understand what is going on by your explanation).

I can also add e.g. procctl(PROC_STACKGUARD) but to convince me to do that =
you
would need to explain why the above approach is not sufficient.

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