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  1. MariaDB Server
  2. MDEV-19031

thr_lock crash via NULL pointer dereference

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Details

    • Bug
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.2, 10.3, 10.4
    • None
    • Tests
    • None

    Description

      Thread 2 "thr_lock" received signal SIGSEGV, Segmentation fault.
      [Switching to Thread 0x7ffff7fcd700 (LWP 30979)]
      0x0000000000402bc8 in thr_lock_info_init (info=0x7ffff7fccc38, tmp=0x0) at thr_lock.c:472
      472	  info->thread=    tmp->pthread_self;
      (gdb) bt
      #0  thr_lock_info_init (info=0x7ffff7fccc38, tmp=0x0) at thr_lock.c:472
      #1  test_thread (arg=0x7fffffffdef0) at thr_lock.c:1809
      #2  start_thread (arg=<optimized out>) at pthread_create.c:486
      #3  clone () at clone.S:95
       
      (gdb) p tmp
      $2 = (struct st_my_thread_var *) 0x0
      

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              Unassigned Unassigned
              kevg Eugene Kosov (Inactive)
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                Created:
                Updated:

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