diff options
Diffstat (limited to 'share/man/man9/kmsan.9')
| -rw-r--r-- | share/man/man9/kmsan.9 | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/share/man/man9/kmsan.9 b/share/man/man9/kmsan.9 index a80ef7112451..d9d279e12140 100644 --- a/share/man/man9/kmsan.9 +++ b/share/man/man9/kmsan.9 @@ -25,9 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $FreeBSD$ -.\" -.Dd August 10, 2021 +.Dd January 11, 2024 .Dt KMSAN 9 .Os .Sh NAME @@ -58,11 +56,13 @@ kernel configuration file: .Fn kmsan_check_ccb "const union ccb *" "const char *descr" .Ft void .Fn kmsan_check_mbuf "const struct mbuf *" "const char *descr" +.Ft void +.Fn kmsan_check_uio "const struct uio *" "const char *descr" .Sh DESCRIPTION .Nm is a subsystem which leverages compiler instrumentation to detect uses of uninitialized memory in the kernel. -Currently it is implemented only on the amd64 platform. +Currently it is implemented only on the amd64 and arm64 platforms. .Pp When .Nm @@ -110,6 +110,10 @@ should be used only for kernel testing and development. It is not recommended to enable .Nm in systems with less than 8GB of physical RAM. +.Pp +The sanitizer in a KMSAN-configured kernel can be disabled by setting the loader +tunable +.Sy debug.kmsan.disable=1 . .Sh FUNCTIONS The .Fn kmsan_mark @@ -304,6 +308,7 @@ f(size_t osz) .Xr busdma 9 , .Xr copyout 9 , .Xr KASAN 9 , +.Xr uio 9 , .Xr uma 9 .Rs .%A Evgeniy Stepanov |