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Don't set a new value for the END_ variable on the channel before using the

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old value.  If you do, it will lead to accessing a memory address that has
been free()'d.  (issue #8895, arkadia)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@51828 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-01-24 00:17:50 +00:00
parent e1dc278941
commit bd06c9494b
1 changed files with 1 additions and 1 deletions
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2
apps/app_while.c
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@@ -275,8 +275,8 @@ static int _while_exec(struct ast_channel *chan, void *data, int end)
pbx_builtin_setvar_helper(chan, my_name, NULL); pbx_builtin_setvar_helper(chan, my_name, NULL);
snprintf(end_varname,VAR_SIZE,"END_%s",varname); snprintf(end_varname,VAR_SIZE,"END_%s",varname);
if ((goto_str=pbx_builtin_getvar_helper(chan, end_varname))) { if ((goto_str=pbx_builtin_getvar_helper(chan, end_varname))) {
pbx_builtin_setvar_helper(chan, end_varname, NULL);
ast_parseable_goto(chan, goto_str); ast_parseable_goto(chan, goto_str);
pbx_builtin_setvar_helper(chan, end_varname, NULL);
} else { } else {
int pri = find_matching_endwhile(chan); int pri = find_matching_endwhile(chan);
if (pri > 0) { if (pri > 0) {