[tor-commits] [tor/main] hs: Fix memory leak if service failed to configure

[ahf at torproject.org]

commit e0a6a0d085e7918f1128d6300aa64361467a0c3f
Author: David Goulet <dgoulet at torproject.org>
Date:   Thu Oct 14 10:09:25 2021 -0400

    hs: Fix memory leak if service failed to configure
    
    Closes #40484
    
    Signed-off-by: David Goulet <dgoulet at torproject.org>
---
 changes/ticket40484        | 5 +++++
 src/feature/hs/hs_config.c | 1 +
 2 files changed, 6 insertions(+)

diff --git a/changes/ticket40484 b/changes/ticket40484
new file mode 100644
index 0000000000..9a9ffdf448
--- /dev/null
+++ b/changes/ticket40484
@@ -0,0 +1,5 @@
+  o Minor bugfixes (onion service, config):
+    - Fix a memory leak for a small config line string that could occur if the
+      service failed to be configured from file properly. Fixes bug 40484;
+      bugfix on 0.3.2.1-alpha.
+
diff --git a/src/feature/hs/hs_config.c b/src/feature/hs/hs_config.c
index f9f71c78f2..de1f608ddf 100644
--- a/src/feature/hs/hs_config.c
+++ b/src/feature/hs/hs_config.c
@@ -640,6 +640,7 @@ hs_config_service_all(const or_options_t *options, int validate_only)
     int rv = config_service(section, options, new_service_list);
     config_free_lines(section);
     if (rv < 0) {
+      config_free_lines(remaining);
       goto err;
     }
   }