From b30ed5cba50688cea9ac2af90855177f84efea5a Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sun, 3 Feb 2019 12:23:50 +0100
Subject: labrd: avoid floating point division by zero. Fixes
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12849. Credit to OSS
 Fuzz

---
 src/projections/labrd.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/projections/labrd.cpp')

diff --git a/src/projections/labrd.cpp b/src/projections/labrd.cpp
index 330c105f..85ab3ddd 100644
--- a/src/projections/labrd.cpp
+++ b/src/projections/labrd.cpp
@@ -108,6 +108,10 @@ PJ *PROJECTION(labrd) {
         return pj_default_destructor (P, ENOMEM);
     P->opaque = Q;
 
+    if (P->phi0 == 0.) {
+        return pj_default_destructor(P, PJD_ERR_LAT_0_IS_ZERO);
+    }
+
     Az = pj_param(P->ctx, P->params, "razi").f;
     sinp = sin(P->phi0);
     t = 1. - P->es * sinp * sinp;
-- 
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