The following patch was adapted for GNU Ghostscript by Mark H Weaver based on: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=f5c7555c30393e64ec1f5ab0dfae5b55b3b3fc78 From f5c7555c30393e64ec1f5ab0dfae5b55b3b3fc78 Mon Sep 17 00:00:00 2001 From: Chris Liddell Date: Sat, 8 Oct 2016 16:10:27 +0100 Subject: [PATCH] Bug 697203: check for sufficient params in .sethalftone5 and param types --- psi/zht2.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/psi/zht2.c b/psi/zht2.c index fb4a264..dfa27a4 100644 --- a/psi/zht2.c +++ b/psi/zht2.c @@ -82,14 +82,22 @@ zsethalftone5(i_ctx_t *i_ctx_p) gs_memory_t *mem; uint edepth = ref_stack_count(&e_stack); int npop = 2; - int dict_enum = dict_first(op); + int dict_enum; ref rvalue[2]; int cname, colorant_number; byte * pname; uint name_size; int halftonetype, type = 0; gs_state *pgs = igs; - int space_index = r_space_index(op - 1); + int space_index; + + if (ref_stack_count(&o_stack) < 2) + return_error(e_stackunderflow); + check_type(*op, t_dictionary); + check_type(*(op - 1), t_dictionary); + + dict_enum = dict_first(op); + space_index = r_space_index(op - 1); mem = (gs_memory_t *) idmemory->spaces_indexed[space_index]; -- 2.9.1 f/.mailmap?id=2f9aa892c633d8263c3e97a93024d6638fd4a6c6'>diff
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2022-01-11Update mailmap....* .mailmap: Add entry for Zheng Junjie. Leo Famulari
2021-11-06Update mailmap and copyright assignments for Liliana Marie Prikler....Use full names everywhere. * .mailmap: Use full name for Liliana Marie Prikler. * gnu/packages/zig.scm: Likewise. Liliana Marie Prikler
2021-09-06Update mailmap....* .mailmap: Add entry for Liliana Marie Prikler. Liliana Marie Prikler
2021-09-04Update mailmap....* .mailmap: Alias all my contributions to the same identity. Marius Bakke
2021-07-27Update mailmap....* .mailmap: Add entry for Christine Lemmer-Webber. Leo Famulari
2021-07-08mailmap: Update entries for Matthew James Kraai....* .mailmap: Change name for Matthew James Kraai. * gnu/packages/lisp-xyz.scm, gnu/packages/python-xyz.scm, gnu/packages/rust.scm: Likewise. Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr> Matthew James Kraai
2021-06-23gnu: Add Sollya....* gnu/packages/algebra.scm (sollya): New variable. * .mailmap: Adjust "proper email" for `git commit`. Eric Bavier
2021-04-21Update email address for Kei....* .mailmap: Remove obsolete email for Kei. Kei Kebreau