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  1. MariaDB Server
  2. MDEV-34321

UBSAN runtime error: call to function crc32c_3way through pointer to incorrect function type

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      Running UBSAN-built server MTR tests, eg.

      UBSAN_OPTIONS=print_stacktrace=1:halt_on_error=0 ./mysql-test/mtr binlog.binlog_show_binlog_events_invalid_offset_silent
      

      can produce

      ./server/mysys/crc32/crc32c.cc:531:10: runtime error: call to function crc32c_3way through pointer to incorrect function type 'unsigned int (*)(unsigned int, const void *, unsigned long)'
      ./server/mysys/crc32/crc32c_amd64.cc:188: note: crc32c_3way defined here
          #0 0x555b61a5362e in my_crc32c ./server/mysys/crc32/crc32c.cc:531:10
          #1 0x555b60cd4b96 in ut_crc32(unsigned char const*, unsigned long) ./server/storage/innobase/include/ut0crc32.h:34:10
          #2 0x555b60cd9941 in log_block_calc_checksum_crc32(unsigned char const*) ./server/storage/innobase/include/log0log.inl:196:9
          #3 0x555b60cce9b4 in log_block_store_checksum(unsigned char*) ./server/storage/innobase/log/log0log.cc:488:33
          #4 0x555b60cce5ca in log_t::file::write_header_durable(unsigned long) ./server/storage/innobase/log/log0log.cc:508:3
          #5 0x555b610a273a in create_log_file(bool, unsigned long, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>&) ./server/storage/innobase/srv/srv0start.cc:325:14
          #6 0x555b6109bd9f in srv_start(bool) ./server/storage/innobase/srv/srv0start.cc:1331:9
          #7 0x555b60a7a7ad in innodb_init(void*) ./server/storage/innobase/handler/ha_innodb.cc:4059:8
          #8 0x555b5f5dbde7 in ha_initialize_handlerton(st_plugin_int*) ./server/sql/handler.cc:651:37
          #9 0x555b5e46e045 in plugin_do_initialize(st_plugin_int*, unsigned int&) ./server/sql/sql_plugin.cc:1451:18
          #10 0x555b5e46d0a8 in plugin_initialize(st_mem_root*, st_plugin_int*, int*, char**, bool) ./server/sql/sql_plugin.cc:1504:10
          #11 0x555b5e46bd35 in plugin_init(int*, char**, int) ./server/sql/sql_plugin.cc:1761:18
          #12 0x555b5dd75164 in init_server_components() ./server/sql/mysqld.cc:4975:7
          #13 0x555b5dd6e8a1 in mysqld_main(int, char**) ./server/sql/mysqld.cc:5566:7
          #14 0x555b5dd647a9 in main ./server/sql/main.cc:25:10
          #15 0x7f50f7029d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
          #16 0x7f50f7029e3f in __libc_start_main csu/../csu/libc-start.c:392:3
          #17 0x555b5dd3b5b4 in _start (./server/build105_ubsan/sql/mariadbd+0x3b175b4) (BuildId: 2dd1b28fa609bdad67a5080e4548b43d6a0f9390)
       
      SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ./server/mysys/crc32/crc32c.cc:531:10 in  
      
      

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              marko Marko Mäkelä
              bnestere Brandon Nesterenko
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