Github user paul-guo- commented on a diff in the pull request:
    --- Diff: src/backend/executor/nodeShareInputScan.c ---
    @@ -552,11 +551,61 @@ static void sisc_lockname(char* p, int size, int 
share_id, const char* name)
    +char * joint_tmp_file_name(ShareInput_Lk_Context *lk_ctxt, char *name)
    +   char *tmp_file = palloc(sizeof(char) * MAXPGPATH);
    +   strcat(tmp_file, getCurrentTempFilePath);
    +   strcat(tmp_file, "/");
    +   strcat(tmp_file, PG_TEMP_FILES_DIR);
    +   strcat(tmp_file, "/");
    --- End diff --
    Please either calculate the size of tmp_file before calling strcat(),  or 
call strncat().
    For all strcat() cases, please also modify.
    Besides, You do not have the below strings as one parameter: "/" 

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