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  1. MariaDB Server
  2. MDEV-33161

Function pointer signature mismatch in LF_HASH

Details

    Description

      When the server is built with cmake -DWITH_UBSAN=ON using clang instead of GCC, a lot of function pointer mismatch will be reported for various traversal of lock-free hash tables:

      10.4 96130b1898d34222d1f0543d75dc1acb6cdb8b09

      		 
      /mariadb/10.4/storage/innobase/include/trx0sys.h:534:12: runtime error: call to function trx_sys_t::copy_one_id(rw_trx_hash_element_t*, trx_sys_t::snapshot_ids_arg*) through pointer to incorrect function type 'char (*)(void *, void *)'
      		 
      /mariadb/10.4/storage/innobase/include/trx0sys.h:1155: note: trx_sys_t::copy_one_id(rw_trx_hash_element_t*, trx_sys_t::snapshot_ids_arg*) defined here

      Attachments

        Issue Links

          blocks

          Bug - A problem which impairs or prevents the functions of the product. MDEV-34348 MariaDB is violating clang-16 -Wcast-function-type-strict

          • Major - Major loss of function.
          • Closed
          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-26272 The macro MASTER_INFO_VAR invokes undefined behaviour

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
          is caused by

          Task - A task that needs to be done. MDEV-14638 Replace trx_sys_t::rw_trx_set with LF_HASH

          • Major - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-34237 On Startup: UBSAN: runtime error: call to function MDL_lock::lf_hash_initializer lf_hash_insert through pointer to incorrect function type 'void (*)(st_lf_hash *, void *, const void *)'

          • Major - Major loss of function.
          • Closed

          Activity

            marko Marko Mäkelä added a comment -

            Here is another example that is related to trx_sys.rw_trx_hash:

            10.5 bf0aa99aeb7dd2bb7497f5ae9a82d1e72e7ee1d5

            		 
            mysys/lf_hash.cc:419:3: runtime error: call to function rw_trx_hash_t::rw_trx_hash_initializer(st_lf_hash*, rw_trx_hash_element_t*, trx_t*) through pointer to incorrect function type 'void (*)(st_lf_hash *, void *, const void *)'

            marko Marko Mäkelä added a comment - Here is another example that is related to trx_sys.rw_trx_hash : 10.5 bf0aa99aeb7dd2bb7497f5ae9a82d1e72e7ee1d5 mysys/lf_hash.cc:419:3: runtime error: call to function rw_trx_hash_t::rw_trx_hash_initializer(st_lf_hash*, rw_trx_hash_element_t*, trx_t*) through pointer to incorrect function type 'void (*)(st_lf_hash *, void *, const void *)'

            People

              marko Marko Mäkelä
              marko Marko Mäkelä
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                Updated:
                Resolved:

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