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2013-08-23Fix memory corruption when trying to get "core show locks".Richard Mudgett
Review https://reviewboard.asterisk.org/r/2580/ tried to fix the mismatch in memory pools but had a math error determining the buffer size and didn't address other similar memory pool mismatches. * Effectively reverted the previous patch to go in the same direction as trunk for the returned memory pool of ast_bt_get_symbols(). * Fixed memory leak in ast_bt_get_symbols() when BETTER_BACKTRACES is defined. * Fixed some formatting in ast_bt_get_symbols(). * Fixed sig_pri.c freeing memory allocated by libpri when MALLOC_DEBUG is enabled. * Fixed __dump_backtrace() freeing memory from ast_bt_get_symbols() when MALLOC_DEBUG is enabled. * Moved __dump_backtrace() because of compile issues with the utils directory. (closes issue ASTERISK-22221) Reported by: Matt Jordan Review: https://reviewboard.asterisk.org/r/2778/ ........ Merged revisions 397525 from http://svn.asterisk.org/svn/asterisk/branches/1.8 ........ Merged revisions 397528 from http://svn.asterisk.org/svn/asterisk/branches/11 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@397570 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2013-06-08Add backtrace generation to MALLOC_DEBUG memory corruption reportsMatthew Jordan
This patch allows astmm to access the backtrace generation code in Asterisk. When memory is allocated, a backtrace is created and stored with the memory region that tracks the allocation. If a memory corruption is detected, the backtrace is printed to the astmm log. The backtrace will make use of the BETTER_BACKTRACES build option if available. As a result, this patch moves the backtrace generation code into its own file and uses the non-wrapped versions of the C library memory allocation routines. This allows the memory allocation code to safely use the backtrace generation routines without infinitely recursing. Review: https://reviewboard.asterisk.org/r/2567 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@391012 65c4cc65-6c06-0410-ace0-fbb531ad65f3