debian/patches/fix-use-after-free-after-solve.patch

   1 Description: Fix use after free after *solve
   2  This only occurs if a leg between the two exact same stations appears right
   3  before and right after the *solve, which is unlikely in real data, but the
   4  testsuite has an instance of this.
   5 Author: Olly Betts <olly@survex.com>
   6 Origin: upstream
   7 Forwarded: yes
   8 Last-Update: 2015-06-26
   9
  10 --- survex-1.2.20.orig/src/netskel.c
  11 +++ survex-1.2.20/src/netskel.c
  12 @@ -86,6 +86,8 @@ solve_network(void /*node *stnlist*/)
  13     static int first_solve = 1;
  14     node *stn;
  15
  16 +   clear_last_leg();
  17 +
  18     if (stnlist == NULL) {
  19        if (first_solve) fatalerror(/*No survey data*/43);
  20        /* We've had a *solve followed by another *solve (or the implicit