From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/include/linux/thread_info.h | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/kernel/include/linux/thread_info.h b/kernel/include/linux/thread_info.h
index 57a3d99..3cb02ce 100644
--- a/kernel/include/linux/thread_info.h
+++ b/kernel/include/linux/thread_info.h
@@ -157,7 +157,7 @@
WARN(1, "Buffer overflow detected (%d < %lu)!\n", size, count);
}
-static __always_inline bool
+static __always_inline __must_check bool
check_copy_size(const void *addr, size_t bytes, bool is_source)
{
int sz = __compiletime_object_size(addr);
@@ -170,6 +170,8 @@
__bad_copy_to();
return false;
}
+ if (WARN_ON_ONCE(bytes > INT_MAX))
+ return false;
check_object_size(addr, bytes, is_source);
return true;
}
--
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