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config: kernel: remove KASAN_EXTRA

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The option has been removed from the kernel since 5.1.

Signed-off-by: Qingfang Deng <dqfext@gmail.com>
(cherry picked from commit 60ea3d6d46)
Link: https://github.com/openwrt/openwrt/pull/15898
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Qingfang Deng 2024-06-07 17:55:38 +08:00 committed by Hauke Mehrtens
parent 9f3f5cff30
commit 04b0f1e7f1
1 changed files with 0 additions and 10 deletions
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10
config/Config-kernel.in
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@ -157,16 +157,6 @@ config KERNEL_KASAN
Currently CONFIG_KASAN doesn't work with CONFIG_DEBUG_SLAB
(the resulting kernel does not boot).
config KERNEL_KASAN_EXTRA
bool "KAsan: extra checks"
depends on KERNEL_KASAN && KERNEL_DEBUG_KERNEL
help
This enables further checks in the kernel address sanitizer, for now
it only includes the address-use-after-scope check that can lead
to excessive kernel stack usage, frame size warnings and longer
compile time.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 has more
config KERNEL_KASAN_VMALLOC
bool "Back mappings in vmalloc space with real shadow memory"
depends on KERNEL_KASAN