gallium/util: fix missing limit check in libunwind backtrace

Fixes: 70c272004f ("gallium/util: libunwind support") Signed-off-by: Rob Clark <robdclark@gmail.com>
2017-04-04 08:53:57 -04:00
parent 8046a944d0
commit 7c69ea553b
1 changed files with 1 additions and 1 deletions
@@ -62,7 +62,7 @@ debug_backtrace_capture(struct debug_stack_frame *backtrace,
   while ((start_frame > 0) && (unw_step(&cursor) > 0))
      start_frame--;

-   while (unw_step(&cursor) > 0) {
+   while ((i < nr_frames) && (unw_step(&cursor) > 0)) {
      char procname[256];
      const char *filename;
      unw_word_t off;