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| author | Chris Liddell <chris.liddell@artifex.com> | 2022-01-24 15:41:59 +0000 |
|---|---|---|
| committer | Chris Liddell <chris.liddell@artifex.com> | 2022-01-25 08:49:28 +0000 |
| commit | 4aa284be10e8ddf4afa4d91ace3bf1f2682988f5 (patch) | |
| tree | e08cbcb581825f1c98068918d38c70ac29d46e79 /pdf/pdf_font3.c | |
| parent | b0f97408aa942bf2c44b6074c9697847d07f1dd3 (diff) | |
| download | ghostpdl-4aa284be10e8ddf4afa4d91ace3bf1f2682988f5.tar.gz | |
oss-fuzz 43989: handle error codes interpreting Type 3 glyphs
Failing to do so was leaving the graphics state stack in an undefined state
Diffstat (limited to 'pdf/pdf_font3.c')
| -rw-r--r-- | pdf/pdf_font3.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/pdf/pdf_font3.c b/pdf/pdf_font3.c index fd8619ee4..9cb3d2885 100644 --- a/pdf/pdf_font3.c +++ b/pdf/pdf_font3.c @@ -110,9 +110,11 @@ pdfi_type3_build_char(gs_show_enum * penum, gs_gstate * pgs, gs_font * pfont, /* Use the utility routine above to copy the fill colour to the stroke colour */ pdfi_type3_copy_color(&OBJ_CTX(font)->pgs->color[0], &OBJ_CTX(font)->pgs->color[1]); - pdfi_gsave(OBJ_CTX(font)); - pdfi_run_context(OBJ_CTX(font), CharProc, font->PDF_font, true, "CharProc"); - pdfi_grestore(OBJ_CTX(font)); + code = pdfi_gsave(OBJ_CTX(font)); + if (code >= 0) { + code = pdfi_run_context(OBJ_CTX(font), CharProc, font->PDF_font, true, "CharProc"); + (void)pdfi_grestore(OBJ_CTX(font)); + } /* Use the utility routine above to copy the temporary copy to the stroke colour */ pdfi_type3_copy_color(&tmp_color, &OBJ_CTX(font)->pgs->color[1]); |