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  1. MariaDB Server
  2. MDEV-35022

Fix Overuse of big stackvariables results inside InnoDB & Mariabackup

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Details

    • Can result in hang or crash

    Description

      Remove PRAGMA_DISABLE_CHECK_STACK_FRAME inside InnoDB and also add
      thread_local for big stack variable or make use of heap memory. Kindly note this
      patch addresses only inside INNODB

      How to test:
      cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS=-Wstack-usage=8192 -DMYSQL_MAINTAINER_MODE && make -j4

      Above compilation shows what function exceeds the stage usage of 8192.

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. MDEV-34388 mariadb-backup segfault on 10.4.8 and 11.4.2, under Alpine 3.20, 3.21 and 3.22

          • Major - Major loss of function.
          • Closed
          is part of

          Bug - A problem which impairs or prevents the functions of the product. MDEV-34772 Overuse of big stackvariables results in stackoverflows

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35705 mariadb-backup 10.11.10 segfault under Alpine 3.20

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

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              marko Marko Mäkelä
              thiru Thirunarayanan Balathandayuthapani
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              Dates

                Created:
                Updated:
                Resolved:

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