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[tor-commits] [tor/master] Always call tor_free_all() when exiting tor_run_main()



commit a67d153cc7493f918f93d2ddb9aa62a27b434e5e
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Tue Jul 31 08:41:27 2018 -0400

    Always call tor_free_all() when exiting tor_run_main()
    
    We would usually call it through tor_cleanup(), but in some code
    paths, we wouldn't. These paths would break restart-in-process,
    since leaving fields uncleared would cause assertion failures on
    restart.
    
    Fixes bug 26948; bugfix on 0.3.3.1-alpha
---
 changes/bug26948 | 4 ++++
 src/or/main.c    | 9 +++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/changes/bug26948 b/changes/bug26948
new file mode 100644
index 000000000..0f0728843
--- /dev/null
+++ b/changes/bug26948
@@ -0,0 +1,4 @@
+  o Minor bugfixes (in-process restart):
+    - Always call tor_free_all() when leaving tor_run_main(). When we
+      did not, restarting tor in-process would cause an assertion failure.
+      Fixes bug 26948; bugfix on 0.3.3.1-alpha.
diff --git a/src/or/main.c b/src/or/main.c
index 7f07b4404..9ecdc9555 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -4035,10 +4035,10 @@ tor_run_main(const tor_main_configuration_t *tor_cfg)
 #endif /* defined(NT_SERVICE) */
   {
     int init_rv = tor_init(argc, argv);
-    if (init_rv < 0)
-      return -1;
-    else if (init_rv > 0)
-      return 0;
+    if (init_rv) {
+      tor_free_all(0);
+      return (init_rv < 0) ? -1 : 0;
+    }
   }
 
   if (get_options()->Sandbox && get_options()->command == CMD_RUN_TOR) {
@@ -4046,6 +4046,7 @@ tor_run_main(const tor_main_configuration_t *tor_cfg)
 
     if (sandbox_init(cfg)) {
       log_err(LD_BUG,"Failed to create syscall sandbox filter");
+      tor_free_all(0);
       return -1;
     }
 



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