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Fix memory corruption when trying to get "core show locks".

Browse Source 
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/


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@397525 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2013-08-23 15:34:27 +00:00
parent 5b05ef1446
commit f49ffa9d4c
10 changed files with 92 additions and 80 deletions
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2
main/utils.c
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@@ -851,7 +851,7 @@ static void append_backtrace_information(struct ast_str **str, struct ast_bt *bt
ast_str_append(str, 0, "\t%s\n", symbols[frame_iterator]);
}
ast_free(symbols);
ast_std_free(symbols);
} else {
ast_str_append(str, 0, "\tCouldn't retrieve backtrace symbols\n");
}