[tor-commits] [tor/maint-0.3.0] Make changes in server_mode() affect workers; fix a crash.

[nickm@xxxxxxxxxxxxxx]

commit c50c98ba6a3eae0b9a3a19c4a3498809080d7ac0
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Mon Oct 2 11:11:30 2017 -0400

    Make changes in server_mode() affect workers; fix a crash.
    
    Without this fix, changes from client to bridge don't trigger
    transition_affects_workers(), so we would never have actually
    initialized the cpuworkers.
    
    Fixes bug 23693.  Bugfix on 3bcdb26267502e0 0.2.6.3-alpha, which
    fixed bug 14901 in the general case, but not on the case where
    public_server_mode() did not change.
---
 changes/bug23693 | 6 ++++++
 src/or/config.c  | 1 +
 2 files changed, 7 insertions(+)

diff --git a/changes/bug23693 b/changes/bug23693
new file mode 100644
index 000000000..796398be5
--- /dev/null
+++ b/changes/bug23693
@@ -0,0 +1,6 @@
+  o Minor bugfixes (relay, crash):
+    - Avoid a crash when transitioning from client mode to bridge mode.
+      Previously, we would launch the worker threads whenever our "public
+      server" mode changed, but not when our "server" mode changed.
+      Fixes bug 23693; bugfix on 0.2.6.3-alpha.
+
diff --git a/src/or/config.c b/src/or/config.c
index 2e001ee5a..23c566c6c 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -4453,6 +4453,7 @@ options_transition_affects_workers(const or_options_t *old_options,
                                        new_options->ServerDNSSearchDomains ||
       old_options->SafeLogging_ != new_options->SafeLogging_ ||
       old_options->ClientOnly != new_options->ClientOnly ||
+      server_mode(old_options) != server_mode(new_options) ||
       public_server_mode(old_options) != public_server_mode(new_options) ||
       !config_lines_eq(old_options->Logs, new_options->Logs) ||
       old_options->LogMessageDomains != new_options->LogMessageDomains)



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