From 1d15421af97980e4a149490fe31a325fed070853 Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Fri, 19 Feb 2016 10:19:19 +1100 Subject: Fix T47477: Transform allows 'inf' input Numeric input wasn't checking numbers were finite, could crash transforming with skin modifier. --- source/blender/editors/util/numinput.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'source/blender/editors/util') diff --git a/source/blender/editors/util/numinput.c b/source/blender/editors/util/numinput.c index 9bb4e050ae6..e07831358d6 100644 --- a/source/blender/editors/util/numinput.c +++ b/source/blender/editors/util/numinput.c @@ -477,6 +477,7 @@ bool handleNumInput(bContext *C, NumInput *n, const wmEvent *event) /* At this point, our value has changed, try to interpret it with python (if str is not empty!). */ if (n->str[0]) { + const float val_prev = n->val[idx]; #ifdef WITH_PYTHON Scene *sce = CTX_data_scene(C); double val; @@ -514,6 +515,11 @@ bool handleNumInput(bContext *C, NumInput *n, const wmEvent *event) if (n->val_flag[idx] & NUM_INVERSE) { n->val[idx] = 1.0f / n->val[idx]; } + + if (UNLIKELY(!isfinite(n->val[idx]))) { + n->val[idx] = val_prev; + n->val_flag[idx] |= NUM_INVALID; + } } /* REDRAW SINCE NUMBERS HAVE CHANGED */ -- cgit v1.2.3