utils/jq/patches/001-stack-exhaustion.patch

   1 From 2d38a12d686a5156d4e7afb1fed7851805590582 Mon Sep 17 00:00:00 2001
   2 From: W-Mark Kubacki <wmark@hurrikane.de>
   3 Date: Fri, 19 Aug 2016 19:50:39 +0200
   4 Subject: [PATCH] Skip printing at MAX_DEPTH and deeper
   5
   6 This addresses #1136, and mitigates a stack exhaustion when printing
   7 a very deeply nested term.
   8 ---
   9  src/jv_print.c | 8 +++++++-
  10  1 file changed, 7 insertions(+), 1 deletion(-)
  11
  12 diff --git a/src/jv_print.c b/src/jv_print.c
  13 index 5f4f234..cf6651b 100644
  14 --- src/jv_print.c
  15 +++ src/jv_print.c
  16 @@ -13,6 +13,10 @@
  17  #include "jv_dtoa.h"
  18  #include "jv_unicode.h"
  19
  20 +#ifndef MAX_DEPTH
  21 +#define MAX_DEPTH 256
  22 +#endif
  23 +
  24  #define ESC "\033"
  25  #define COL(c) (ESC "[" c "m")
  26  #define COLRESET (ESC "[0m")
  27 @@ -150,7 +154,9 @@ static void jv_dump_term(struct dtoa_context* C, jv x, int flags, int indent, FI
  28        }
  29      }
  30    }
  31 -  switch (jv_get_kind(x)) {
  32 +  if (indent > MAX_DEPTH) {
  33 +    put_str("<stripped: exceeds max depth>", F, S, flags & JV_PRINT_ISATTY);
  34 +  } else switch (jv_get_kind(x)) {
  35    default:
  36    case JV_KIND_INVALID:
  37      if (flags & JV_PRINT_INVALID) {