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| author | Even Rouault <even.rouault@spatialys.com> | 2019-09-17 19:48:46 +0000 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2019-09-17 19:48:46 +0000 |
| commit | 02919fb712a84d83780bffd5f2ebdc44451f48b4 (patch) | |
| tree | 8588cb33b5267f6bc78b7efbd3de02ad715ee6df /src/ell_set.cpp | |
| parent | 39ed5dda1722c55248399614ffd6a97668e43b03 (diff) | |
| download | PROJ-02919fb712a84d83780bffd5f2ebdc44451f48b4.tar.gz PROJ-02919fb712a84d83780bffd5f2ebdc44451f48b4.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.cpp | 3 |
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 */ |