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BUG/MINOR: listener: fix off-by-one in state name check

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As reported in issue #380, the state check in listener_state_str() is
invalid as it allows state value 9 to report crap. We don't use such
a state value so the issue should never happen unless the memory is
already corrupted, but better clean this now while it's harmless.

This should be backported to all maintained branches.
This commit is contained in:
Willy Tarreau 2019-12-11 15:51:37 +01:00
parent 2444108f16
commit fec56c6a76
1 changed files with 1 additions and 1 deletions
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2
include/proto/listener.h
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@ -176,7 +176,7 @@ static inline const char *listener_state_str(const struct listener *l)
};
unsigned int st = l->state;
if (st > sizeof(states) / sizeof(*states))
if (st >= sizeof(states) / sizeof(*states))
return "INVALID";
return states[st];
}