This is the mail archive of the
glibc-bugs@sourceware.org
mailing list for the glibc project.
[Bug libc/20305] x86_64: MINSIGSTKSZ too small for AVX512 support
- From: "fweimer at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 28 Jun 2016 11:35:59 +0000
- Subject: [Bug libc/20305] x86_64: MINSIGSTKSZ too small for AVX512 support
- Auto-submitted: auto-generated
- References: <bug-20305-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=20305
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
As a possible fix, the kernel could refuse to save FPU state to the signal
handler stack if the specified stack is not large enough.
I do not see a good way to fix this in glibc. Increasing MINSIGSTKSZ has
potential impact on ABI.
--
You are receiving this mail because:
You are on the CC list for the bug.