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| author | Even Rouault <even.rouault@spatialys.com> | 2017-05-30 14:26:10 +0200 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2017-05-30 14:26:10 +0200 |
| commit | c5b617aadf9dfc036856303d1882cfaa98b00825 (patch) | |
| tree | 2de7dd83a5d7cade1b56cceecc1fbff6f404cd82 /src | |
| parent | a395e6e244e04dd09284e24eb1ca3ff2a7c9f37f (diff) | |
| download | PROJ-c5b617aadf9dfc036856303d1882cfaa98b00825.tar.gz PROJ-c5b617aadf9dfc036856303d1882cfaa98b00825.zip | |
PJ_ob_tran: fix crash if underlying projection has no fwd method
For example +proj=ob_tran +o_proj=hgridshift
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1927
Credit to OSS Fuzz
Diffstat (limited to 'src')
| -rw-r--r-- | src/PJ_ob_tran.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/PJ_ob_tran.c b/src/PJ_ob_tran.c index afac5136..96752e8d 100644 --- a/src/PJ_ob_tran.c +++ b/src/PJ_ob_tran.c @@ -133,6 +133,9 @@ PJ *PROJECTION(ob_tran) { if (!(Q->link = pj_list[i].proj(Q->link))) { return freeup_new(P); } + if( Q->link->fwd == 0 ) { + return freeup_new(P); + } if (pj_param(P->ctx, P->params, "to_alpha").i) { double lamc, phic, alpha; |