package/x86/msr-tools/hotfix-a-segfault.patch

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # T2 SDE: package/*/msr-tools/hotfix-a-segfault.patch
   3 # Copyright (C) 2023 The T2 SDE Project
   4 #
   5 # This Copyright note is generated by scripts/Create-CopyPatch,
   6 # more information can be found in the files COPYING and README.
   7 #
   8 # This patch file is dual-licensed. It is available under the license the
   9 # patched project is licensed under, as long as it is an OpenSource license
  10 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  11 # of the GNU General Public License version 2 as used by the T2 SDE.
  12 # --- T2-COPYRIGHT-NOTE-END ---
  13
  14 --- msr-tools-master/rdmsr.c.vanilla    2023-08-26 17:02:52.420666222 +0200
  15 +++ msr-tools-master/rdmsr.c    2023-08-26 17:09:37.163645760 +0200
  16 @@ -109,6 +109,10 @@
  17         int dir_entries;
  18
  19         dir_entries = scandir("/dev/cpu", &namelist, dir_filter, 0);
  20 +       if (dir_entries < 0) {
  21 +               perror("rdmsr: scandir");
  22 +               exit(1);
  23 +       }
  24         while (dir_entries--) {
  25                 rdmsr_on_cpu(reg, atoi(namelist[dir_entries]->d_name));
  26                 free(namelist[dir_entries]);
  27 --- msr-tools-master/wrmsr.c.vanilla    2023-08-26 17:09:46.107645307 +0200
  28 +++ msr-tools-master/wrmsr.c    2023-08-26 17:11:22.614640428 +0200
  29 @@ -70,6 +70,10 @@
  30         int dir_entries;
  31
  32         dir_entries = scandir("/dev/cpu", &namelist, dir_filter, 0);
  33 +       if (dir_entries < 0) {
  34 +               perror("wrmsr: scandir");
  35 +               exit(1);
  36 +       }
  37         while (dir_entries--) {
  38                 wrmsr_on_cpu(reg, atoi(namelist[dir_entries]->d_name),
  39                                 valcnt, regvals);