diff options
| author | Ken Sharp <ken.sharp@artifex.com> | 2022-12-16 15:11:42 +0000 |
|---|---|---|
| committer | Ken Sharp <ken.sharp@artifex.com> | 2022-12-16 15:11:42 +0000 |
| commit | 2a62bab98d3b3fd8c47e3059fbdec33783e938f8 (patch) | |
| tree | 7f35c071332b8bda7997bbaa4a8e502c4ea663da /pdf | |
| parent | 5e6e32577a3943d4b838f1bca69193bcb0ec9cfb (diff) | |
| download | ghostpdl-2a62bab98d3b3fd8c47e3059fbdec33783e938f8.tar.gz | |
GhostPDF - warn on attempts to access object 0
Bug691740.pdf
We correctly handled this, but silently unless PDFSTOPONERROR was set.
This just logs the error for reporting.
Diffstat (limited to 'pdf')
| -rw-r--r-- | pdf/pdf_deref.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pdf/pdf_deref.c b/pdf/pdf_deref.c index 3d6d039ad..859902afe 100644 --- a/pdf/pdf_deref.c +++ b/pdf/pdf_deref.c @@ -923,8 +923,10 @@ static int pdfi_dereference_main(pdf_context *ctx, uint64_t obj, uint64_t gen, p entry = &ctx->xref_table->xref[obj]; - if(entry->object_num == 0) + if(entry->object_num == 0) { + pdfi_set_error(ctx, 0, NULL, E_PDF_BADOBJNUMBER, "pdfi_dereference_main", "Attempt to dereference object 0"); return_error(gs_error_undefined); + } if (entry->free) { char extra_info[gp_file_name_sizeof]; |