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| author | Kees Cook <keescook@chromium.org> | 2020-12-15 20:46:31 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-15 22:46:18 -0800 |
| commit | 79791378a1bc9e218462211742e48e375371e8c5 (patch) | |
| tree | 18833f785eb1e8af91d99717c09ac334d251bb79 | |
| parent | 61e0349f703d1576a12f88c15f25e0a56fd277af (diff) | |
| download | linux-79791378a1bc9e218462211742e48e375371e8c5.tar.gz linux-79791378a1bc9e218462211742e48e375371e8c5.tar.bz2 linux-79791378a1bc9e218462211742e48e375371e8c5.zip | |
ubsan: disable UBSAN_TRAP for all*config
Doing all*config builds attempts to build as much as possible. UBSAN_TRAP
effectively short-circuits lib/usban.c, so it should be disabled for
COMPILE_TEST so that the lib/ubsan.c code gets built.
Link: https://lkml.kernel.org/r/20201203004437.389959-5-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: George Popescu <georgepope@android.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Marco Elver <elver@google.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Michal Marek <michal.lkml@markovi.net>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Oberparleiter <oberpar@linux.ibm.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | lib/Kconfig.ubsan | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan index 4190a99b1eaa..6e8b67d4b0d9 100644 --- a/lib/Kconfig.ubsan +++ b/lib/Kconfig.ubsan @@ -14,6 +14,7 @@ if UBSAN config UBSAN_TRAP bool "On Sanitizer warnings, abort the running kernel code" + depends on !COMPILE_TEST depends on $(cc-option, -fsanitize-undefined-trap-on-error) help Building kernels with Sanitizer features enabled tends to grow |