mm: remove HARDENED_USERCOPY_FALLBACK

[sfrench/cifs-2.6.git] / security / Kconfig

diff --git a/security/Kconfig b/security/Kconfig
index 0ced7fd33e4d0d4bc5acf2570f95ff88c3562d17..d9698900c9b730d01ac99abe0327197f439c2660 100644 (file)
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -163,20 +163,6 @@ config HARDENED_USERCOPY
          or are part of the kernel text. This kills entire classes
          of heap overflow exploits and similar kernel memory exposures.
 
-config HARDENED_USERCOPY_FALLBACK
-       bool "Allow usercopy whitelist violations to fallback to object size"
-       depends on HARDENED_USERCOPY
-       default y
-       help
-         This is a temporary option that allows missing usercopy whitelists
-         to be discovered via a WARN() to the kernel log, instead of
-         rejecting the copy, falling back to non-whitelisted hardened
-         usercopy that checks the slab allocation size instead of the
-         whitelist size. This option will be removed once it seems like
-         all missing usercopy whitelists have been identified and fixed.
-         Booting with "slab_common.usercopy_fallback=Y/N" can change
-         this setting.
-
 config HARDENED_USERCOPY_PAGESPAN
        bool "Refuse to copy allocations that span multiple pages"
        depends on HARDENED_USERCOPY