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Diffstat (limited to 'arch/x86/lib/usercopy_32.c')
-rw-r--r--arch/x86/lib/usercopy_32.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
index 8498684e45b..e218d5df85f 100644
--- a/arch/x86/lib/usercopy_32.c
+++ b/arch/x86/lib/usercopy_32.c
@@ -883,3 +883,9 @@ _copy_from_user(void *to, const void __user *from, unsigned long n)
return n;
}
EXPORT_SYMBOL(_copy_from_user);
+
+void copy_from_user_overflow(void)
+{
+ WARN(1, "Buffer overflow detected!\n");
+}
+EXPORT_SYMBOL(copy_from_user_overflow);