config ARCH_HAS_UBSAN_SANITIZE_ALL bool config ARCH_WANTS_UBSAN_NO_NULL def_bool n config UBSAN bool "Undefined behaviour sanity checker" help This option enables undefined behaviour sanity checker Compile-time instrumentation is used to detect various undefined behaviours in runtime. Various types of checks may be enabled via boot parameter ubsan_handle (see: Documentation/dev-tools/ubsan.rst). config UBSAN_SANITIZE_ALL bool "Enable instrumentation for the entire kernel" depends on UBSAN depends on ARCH_HAS_UBSAN_SANITIZE_ALL # We build with -Wno-maybe-uninitilzed, but we still want to # use -Wmaybe-uninitilized in allmodconfig builds. # So dependsy bellow used to disable this option in allmodconfig depends on !COMPILE_TEST default y help This option activates instrumentation for the entire kernel. If you don't enable this option, you have to explicitly specify UBSAN_SANITIZE := y for the files/directories you want to check for UB. Enabling this option will get kernel image size increased significantly. config UBSAN_ALIGNMENT bool "Enable checking of pointers alignment" depends on UBSAN default y if !HAVE_EFFICIENT_UNALIGNED_ACCESS help This option enables detection of unaligned memory accesses. Enabling this option on architectures that support unaligned accesses may produce a lot of false positives. config UBSAN_NULL bool "Enable checking of null pointers" depends on UBSAN default y if !ARCH_WANTS_UBSAN_NO_NULL help This option enables detection of memory accesses via a null pointer. table>
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-15 16:09:50 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-15 16:09:50 -0800
commit99421c1cb27fb837e93b517036fab4500fe39de5 (patch)
treede5fc5bacb671223f389793ad643cebe520bc292 /include/crypto/internal/scompress.h
parentc92816275674c1491ce228ee49aa030a5fa1be04 (diff)
parent93362fa47fe98b62e4a34ab408c4a418432e7939 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull namespace fixes from Eric Biederman: "This tree contains 4 fixes. The first is a fix for a race that can causes oopses under the right circumstances, and that someone just recently encountered. Past that are several small trivial correct fixes. A real issue that was blocking development of an out of tree driver, but does not appear to have caused any actual problems for in-tree code. A potential deadlock that was reported by lockdep. And a deadlock people have experienced and took the time to track down caused by a cleanup that removed the code to drop a reference count" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: sysctl: Drop reference added by grab_header in proc_sys_readdir pid: fix lockdep deadlock warning due to ucount_lock libfs: Modify mount_pseudo_xattr to be clear it is not a userspace mount mnt: Protect the mountpoint hashtable with mount_lock
Diffstat (limited to 'include/crypto/internal/scompress.h')