x86/percpu: Disable named address spaces for UBSAN_BOOL with KASAN for GCC < 14.2

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[ Upstream commit b6762467a0 ]

GCC < 14.2 does not correctly propagate address space qualifiers
with -fsanitize=bool,enum. Together with address sanitizer then
causes that load to be sanitized.

Disable named address spaces for GCC < 14.2 when both, UBSAN_BOOL
and KASAN are enabled.

Reported-by: Matt Fleming <matt@readmodwrite.com>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250227140715.2276353-1-ubizjak@gmail.com
Closes: https://lore.kernel.org/lkml/20241213190119.3449103-1-matt@readmodwrite.com/
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Uros Bizjak 2025-02-27 15:06:58 +01:00 • committed by Greg Kroah-Hartman

parent 837f5cb7be

commit 640bb22521

1 changed files with 11 additions and 9 deletions

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arch/x86/Kconfig

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