From 318dab0d074a7bfd9d0724e674777aa10422d4e6 Mon Sep 17 00:00:00 2001 From: Even Rouault Date: Sat, 20 Apr 2019 17:49:37 +0200 Subject: omerc: validate lat_1 and lat_2 to avoid divison by zero Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14384 Credit to OSS Fuzz --- src/projections/omerc.cpp | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/projections/omerc.cpp') diff --git a/src/projections/omerc.cpp b/src/projections/omerc.cpp index e07c209e..0de3aa7d 100644 --- a/src/projections/omerc.cpp +++ b/src/projections/omerc.cpp @@ -154,6 +154,8 @@ PJ *PROJECTION(omerc) { phi1 = pj_param(P->ctx, P->params, "rlat_1").f; lam2 = pj_param(P->ctx, P->params, "rlon_2").f; phi2 = pj_param(P->ctx, P->params, "rlat_2").f; + if (fabs(phi1) > M_HALFPI || fabs(phi2) > M_HALFPI) + return pj_default_destructor(P, PJD_ERR_LAT_LARGER_THAN_90); if (fabs(phi1 - phi2) <= TOL || (con = fabs(phi1)) <= TOL || fabs(con - M_HALFPI) <= TOL || -- cgit v1.2.3