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authorEven Rouault <even.rouault@spatialys.com>2019-09-17 21:48:46 +0200
committerEven Rouault <even.rouault@spatialys.com>2019-09-17 21:48:46 +0200
commitbc53524cfbde95ecf6bb134984e68eb715d11c2b (patch)
tree38d1214e399eaaf4e173ad5d13a3820364065c1d /src/ell_set.cpp
parent8e76c61082c5c74d1e29d5d850b2cdd09ab35ba8 (diff)
downloadPROJ-bc53524cfbde95ecf6bb134984e68eb715d11c2b.tar.gz
PROJ-bc53524cfbde95ecf6bb134984e68eb715d11c2b.zip
ell_set.cpp: avoid division by zero in R_lat_a case. Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16130
Diffstat (limited to 'src/ell_set.cpp')
-rw-r--r--src/ell_set.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/ell_set.cpp b/src/ell_set.cpp
index 0d7fb6d5..d2930ca4 100644
--- a/src/ell_set.cpp
+++ b/src/ell_set.cpp
@@ -389,6 +389,9 @@ static int ellps_spherification (PJ *P) {
return proj_errno_set (P, PJD_ERR_REF_RAD_LARGER_THAN_90);
t = sin (t);
t = 1 - P->es * t * t;
+ if (t == 0.) {
+ return proj_errno_set(P, PJD_ERR_INVALID_ECCENTRICITY);
+ }
if (i==5) /* arithmetic */
P->a *= (1. - P->es + t) / (2 * t * sqrt(t));
else /* geometric */