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| author | Even Rouault <even.rouault@spatialys.com> | 2019-04-05 13:25:17 +0200 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2019-04-05 13:25:17 +0200 |
| commit | 97de772e16281fad460a1469c34cd37ff42bcefb (patch) | |
| tree | fe29a1535379858a5d60f2c479a8297214d037f5 /src/projections/lcc.cpp | |
| parent | 3aed84243a8188b54d19d7e9c26028796eb398b0 (diff) | |
| download | PROJ-97de772e16281fad460a1469c34cd37ff42bcefb.tar.gz PROJ-97de772e16281fad460a1469c34cd37ff42bcefb.zip | |
lcc: avoid division by zero
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14058
Credit to OSS Fuzz
Diffstat (limited to 'src/projections/lcc.cpp')
| -rw-r--r-- | src/projections/lcc.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/projections/lcc.cpp b/src/projections/lcc.cpp index 3e93f98c..8cc743a9 100644 --- a/src/projections/lcc.cpp +++ b/src/projections/lcc.cpp @@ -125,6 +125,9 @@ PJ *PROJECTION(lcc) { Q->rho0 *= (fabs(fabs(P->phi0) - M_HALFPI) < EPS10) ? 0. : pow(pj_tsfn(P->phi0, sin(P->phi0), P->e), Q->n); } else { + if( fabs(cosphi) < EPS10 || fabs(cos(Q->phi2)) < EPS10 ) { + return pj_default_destructor(P, PJD_ERR_LAT_1_OR_2_ZERO_OR_90); + } if (secant) Q->n = log(cosphi / cos(Q->phi2)) / log(tan(M_FORTPI + .5 * Q->phi2) / |