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ubsan: Restore dependency on ARCH_HAS_UBSAN

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BugLink: https://bugs.launchpad.net/bugs/2073603

[ Upstream commit 890a64810d59b1a58ed26efc28cfd821fc068e84 ]

While removing CONFIG_UBSAN_SANITIZE_ALL, ARCH_HAS_UBSAN wasn't correctly
depended on. Restore this, as we do not want to attempt UBSAN builds
unless it's actually been tested on a given architecture.

Reported-by: Masahiro Yamada <masahiroy@kernel.org>
Closes: https://lore.kernel.org/all/20240514095427.541201-1-masahiroy@kernel.org
Fixes: 918327e9b7ff ("ubsan: Remove CONFIG_UBSAN_SANITIZE_ALL")
Link: https://lore.kernel.org/r/20240514233747.work.441-kees@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Kees Cook
2024-05-14 16:37:48 -07:00
committed by Roxana Nicolescu
parent 7849c622a7
commit b1afcb9ad0
1 changed files with 1 additions and 0 deletions
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lib/Kconfig.ubsan
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@@ -4,6 +4,7 @@ config ARCH_HAS_UBSAN
menuconfig UBSAN
bool "Undefined behaviour sanity checker"
depends on ARCH_HAS_UBSAN
help
This option enables the Undefined Behaviour sanity checker.
Compile-time instrumentation is used to detect various undefined