[fix](multi table) do not use strlen to calculate the length of msg #40367
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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clang-tidy review says "All clean, LGTM! 👍" |
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TPC-H: Total hot run time: 38003 ms |
TPC-DS: Total hot run time: 193052 ms |
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dataroaring
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Sep 7, 2024
…40367) (#40500) pick #40367 Meet code dump when using single stream multi table load: ``` SUMMARY: AddressSanitizer: heap-buffer-overflow /root/doris/be/src/io/fs/multi_table_pipe.cpp:99:22 in doris::io::MultiTablePipe::dispatch(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&, char const*, unsigned long, doris::Status (doris::io::KafkaConsumerPipe::*)(char const*, unsigned long)) ``` 1. It is hard to guaranteed that msg is a C-style string ending in '\0' character. If not, it may cause the core dump to access memory out of bounds. 2. It is not need to calculate the length of msg twice. Therefore, deleting the logic that using strlen to calculate the length of msg.
yiguolei
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Sep 9, 2024
…40367) (#40511) pick #40367 Meet code dump when using single stream multi table load: ``` SUMMARY: AddressSanitizer: heap-buffer-overflow /root/doris/be/src/io/fs/multi_table_pipe.cpp:99:22 in doris::io::MultiTablePipe::dispatch(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&, char const*, unsigned long, doris::Status (doris::io::KafkaConsumerPipe::*)(char const*, unsigned long)) ``` 1. It is hard to guaranteed that msg is a C-style string ending in '\0' character. If not, it may cause the core dump to access memory out of bounds. 2. It is not need to calculate the length of msg twice. Therefore, deleting the logic that using strlen to calculate the length of msg.
dataroaring
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that referenced
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Sep 23, 2024
…40367) Meet code dump when using single stream multi table load: ``` SUMMARY: AddressSanitizer: heap-buffer-overflow /root/doris/be/src/io/fs/multi_table_pipe.cpp:99:22 in doris::io::MultiTablePipe::dispatch(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&, char const*, unsigned long, doris::Status (doris::io::KafkaConsumerPipe::*)(char const*, unsigned long)) ``` 1. It is hard to guaranteed that msg is a C-style string ending in '\0' character. If not, it may cause the core dump to access memory out of bounds. 2. It is not need to calculate the length of msg twice. Therefore, deleting the logic that using strlen to calculate the length of msg.
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Meet code dump when using single stream multi table load:
Therefore, deleting the logic that using strlen to calculate the length of msg.