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Race in __memp_sync_files - application can crash in __memp_mf_discard () (Doc ID 412774.1)

Last updated on FEBRUARY 25, 2020

Applies to:

Berkeley DB - Version 4.4 to 4.5
Information in this document applies to any platform.
This problem can occur on multi-cpu platforms.


Symptoms

A backtrace similar with this one occurs:

(gdb) bt
#0 0x0004f9fc in __memp_mf_discard ()
#1 0x000c2cec in __memp_bhfree ()
#2 0x000c1990 in __memp_alloc ()
#3 0x0004ce08 in __memp_fget ()
#4 0x0001fbb4 in __db_init_subdb ()
#5 0x00038274 in __fop_subdb_setup ()
#6 0x0001f89c in __db_open ()
#7 0x000b6138 in __db_open_pp ()

Cause

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In this Document
Symptoms
Cause
Solution

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