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The following commit(s) were added to refs/heads/master by this push:
new dd6ed5a9a7 [fix](function)fix string split function buffer overflow
(#12834)
dd6ed5a9a7 is described below
commit dd6ed5a9a7f415f72fb67005d5c7c982db3bc00f
Author: starocean999 <40539150+starocean...@users.noreply.github.com>
AuthorDate: Sat Sep 24 17:32:00 2022 +0800
[fix](function)fix string split function buffer overflow (#12834)
---
be/src/vec/functions/function_string.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/be/src/vec/functions/function_string.h
b/be/src/vec/functions/function_string.h
index 0bd1dac58f..c6294a08c4 100644
--- a/be/src/vec/functions/function_string.h
+++ b/be/src/vec/functions/function_string.h
@@ -1013,7 +1013,7 @@ public:
int32_t num = 0;
while (num < part_number) {
pre_offset = offset;
- size_t n = str.size - offset;
+ size_t n = str.size - offset - 1;
const char* pos = reinterpret_cast<const char*>(
memchr(str.data + offset + 1, delimiter_str[0],
n));
if (pos != nullptr) {
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