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From: "xry111 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug sanitizer/113430] [11/12/13 only] Trivial program segfaults
 intermittently with ASAN with large CONFIG_ARCH_MMAP_RND_BITS in kernel
 configuration
Date: Fri, 15 Mar 2024 10:02:41 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113430

--- Comment #12 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
(In reply to Dimitrij Mijoski from comment #8)
> This bug manifested at large on Github Actions CI/CI system in the last f=
ew
> days most likely because Ubuntu's kernel also got updated to use 32 random
> bits. Here is the bug report
> https://github.com/actions/runner-images/issues/9491 . It would be a good
> idea to backport the fix.

But then backporting the fix here won't really help because Ubuntu is not
building GCC from the upstream release branch.  Ubuntu maintainers could ju=
st
apply the patch downstream when they decide to increase random bits anyway,=
 not
sure why they didn't.=