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| author | Michael Vrhel <michael.vrhel@artifex.com> | 2016-12-29 12:00:40 -0800 |
|---|---|---|
| committer | Michael Vrhel <michael.vrhel@artifex.com> | 2016-12-29 12:00:40 -0800 |
| commit | d621292fb2c8157d9899dcd83fd04dd250e30fe4 (patch) | |
| tree | eba399c705a49e51a00163d557d435b48aa13f32 | |
| parent | 4bef1a1d32e29b68855616020dbff574b9cda08f (diff) | |
Bug 697444 Unmatched transparency group pop
This issue can only occur if there is an unmatched group pop.
If the interpreter is doing that, then the interpreter is
broken. With this bug the user is intentionally doing it.
We now throw and error when it occurs.
| -rw-r--r-- | base/gdevp14.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/base/gdevp14.c b/base/gdevp14.c index bec5a07c0..fd56ec975 100644 --- a/base/gdevp14.c +++ b/base/gdevp14.c @@ -1066,6 +1066,9 @@ pdf14_pop_transparency_group(gs_gstate *pgs, pdf14_ctx *ctx, gx_color_index drawn_comps = pdev->drawn_comps; bool nonicc_conversion = true; + if (nos == NULL) + return_error(gs_error_unknownerror); /* Unmatched group pop */ + nos_num_color_comp = nos->parent_color_info_procs->num_components - nos->num_spots; tos_num_color_comp = tos_num_color_comp - tos->num_spots; |