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logger.c: Fix buffer overrun found by address sanitizer.

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The null terminator of the tail struct member was not being allocated
when no logger.conf config file is installed.

ASTERISK-25714 #close
Reported by: Badalian Vyacheslav

Change-Id: I45770fdd08af39506a3bc33ba279c4f16e047a30
This commit is contained in:
Richard Mudgett
2016-01-22 11:48:24 -06:00
parent a0d3932e2a
commit 1c95b211a0
1 changed files with 1 additions and 1 deletions
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2
main/logger.c
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@@ -464,7 +464,7 @@ static int init_logger_chain(int locked, const char *altconf)
/* If no config file, we're fine, set default options. */
if (!cfg) {
if (!(chan = ast_calloc(1, sizeof(*chan)))) {
if (!(chan = ast_calloc(1, sizeof(*chan) + 1))) {
fprintf(stderr, "Failed to initialize default logging\n");
return -1;
}