summary refs log tree commit diff
path: root/arch/x86/lib
diff options
context:
space:
mode:
authorKees Cook <keescook@chromium.org>2021-06-16 14:48:19 -0700
committerKees Cook <keescook@chromium.org>2022-02-13 16:50:06 -0800
commit938a000e3f9bead24ea753286b3e4d2423275c9e (patch)
treef3cdcabaea66b2f14b5488b6180cf552814b5aec /arch/x86/lib
parentf68f2ff91512c199ec24883001245912afc17873 (diff)
downloadlinux-938a000e3f9bead24ea753286b3e4d2423275c9e.tar.gz
fortify: Detect struct member overflows in memmove() at compile-time
As done for memcpy(), also update memmove() to use the same tightened
compile-time checks under CONFIG_FORTIFY_SOURCE.

Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'arch/x86/lib')
-rw-r--r--arch/x86/lib/memcpy_32.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/lib/memcpy_32.c b/arch/x86/lib/memcpy_32.c
index 3a6e6cfe8c35..ef3af7ff2c8a 100644
--- a/arch/x86/lib/memcpy_32.c
+++ b/arch/x86/lib/memcpy_32.c
@@ -4,6 +4,7 @@
 
 #undef memcpy
 #undef memset
+#undef memmove
 
 __visible void *memcpy(void *to, const void *from, size_t n)
 {