Calling gen_tcp:connect with option {ip, {127,0,0,1}} results in an exit with

reason badarg. Neither SSL nor INETS catches this, resulting in crashes
with incomprehensible reasons.

OTP-9289

3 files changed, 56 insertions, 19 deletions

diff --git a/lib/inets/doc/src/notes.xml b/lib/inets/doc/src/notes.xml
index edb994a91b..0926df8581 100644
--- a/lib/inets/doc/src/notes.xml
+++ b/lib/inets/doc/src/notes.xml
@@ -104,18 +104,6 @@
 	  <p>*** POTENTIAL INCOMPATIBILITY ***</p>
         </item>
 
-        <item>
-          <p>[httpc] httpc manager crashes. 
-	  When a request results in a retry, the request id will be "reused" 
-	  in the previous implementation a race condition could occur causing 
-	  the manager to crash. </p>
-	  <p>This is now avoided by using proc_lib:init_ack and 
-	  gen_server:enter_loop to allow mor advanced initialization of 
-	  httpc_handlers without blocking the httpc_manger and eliminating 
-	  extra processes that can cause race conditions. </p>
-          <p>Own Id: OTP-9246</p>
-        </item>
-
       </list>
     </section>
 
@@ -147,6 +135,31 @@
 	  <p>Bernard Duggan</p>
 	  <p>Own Id: OTP-9158</p>
         </item>
+
+        <item>
+          <p>[httpc] httpc manager crashes. 
+	  When a request results in a retry, the request id will be "reused" 
+	  in the previous implementation a race condition could occur causing 
+	  the manager to crash. </p>
+	  <p>This is now avoided by using proc_lib:init_ack and 
+	  gen_server:enter_loop to allow mor advanced initialization of 
+	  httpc_handlers without blocking the httpc_manger and eliminating 
+	  extra processes that can cause race conditions. </p>
+          <p>Own Id: OTP-9246</p>
+        </item>
+
+        <item>
+          <p>[httpc] Issuing a request (<c>httpc:request</c>) to an 
+	  host with the ssl option 
+	  <c>{ip, {127,0,0,1}}</c> results in an handler crash. 
+	  The reason was that the connect call resulted in an exit with 
+	  reason <c>badarg</c> 
+	  (this was the same for both <c>ssl</c> and <c>gen_tcp</c>). </p>
+	  <p>Exits was not catched. This has now been improved. </p>
+          <p>Own Id: OTP-9289</p>
+          <p>Aux Id: seq11845</p>
+        </item>
+
       </list>
     </section>
 
diff --git a/lib/inets/src/http_lib/http_transport.erl b/lib/inets/src/http_lib/http_transport.erl
index 173911b868..8cabfe3c71 100644
--- a/lib/inets/src/http_lib/http_transport.erl
+++ b/lib/inets/src/http_lib/http_transport.erl
@@ -110,7 +110,17 @@ connect(ip_comm = _SocketType, {Host, Port}, Opts0, Timeout)
     Opts = [binary, {packet, 0}, {active, false}, {reuseaddr, true} | Opts0],
     ?hlrt("connect using gen_tcp", 
 	  [{host, Host}, {port, Port}, {opts, Opts}, {timeout, Timeout}]),
-    gen_tcp:connect(Host, Port, Opts, Timeout);
+    try gen_tcp:connect(Host, Port, Opts, Timeout) of
+	{ok, _} = OK ->
+	    OK;
+	{error, _} = ERROR ->
+	    ERROR
+    catch 
+	exit:{badarg, _} ->
+	    {error, {eoptions, Opts}};
+	exit:badarg ->
+	    {error, {eoptions, Opts}}
+    end;
 
 %% Wrapper for backaward compatibillity
 connect({ssl, SslConfig}, Address, Opts, Timeout) ->
@@ -123,7 +133,14 @@ connect({ossl, SslConfig}, {Host, Port}, _, Timeout) ->
 	   {port,       Port}, 
 	   {ssl_config, SslConfig}, 
 	   {timeout,    Timeout}]),
-    ssl:connect(Host, Port, Opts, Timeout);
+    case (catch ssl:connect(Host, Port, Opts, Timeout)) of
+	{'EXIT', Reason} ->
+	    {error, {eoptions, Reason}};
+	{ok, _} = OK ->
+	    OK;
+	{error, _} = ERROR ->
+	    ERROR
+    end;
 
 connect({essl, SslConfig}, {Host, Port}, _, Timeout) ->
     Opts = [binary, {active, false}, {ssl_imp, new}] ++ SslConfig,
@@ -132,7 +149,14 @@ connect({essl, SslConfig}, {Host, Port}, _, Timeout) ->
 	   {port,       Port}, 
 	   {ssl_config, SslConfig}, 
 	   {timeout,    Timeout}]),
-    ssl:connect(Host, Port, Opts, Timeout).
+    case (catch ssl:connect(Host, Port, Opts, Timeout)) of
+	{'EXIT', Reason} ->
+	    {error, {eoptions, Reason}};
+	{ok, _} = OK ->
+	    OK;
+	{error, _} = ERROR ->
+	    ERROR
+    end.
 
 
 %%-------------------------------------------------------------------------
diff --git a/lib/inets/src/inets_app/inets.appup.src b/lib/inets/src/inets_app/inets.appup.src
index 91fb064eec..47f3fbba58 100644
--- a/lib/inets/src/inets_app/inets.appup.src
+++ b/lib/inets/src/inets_app/inets.appup.src
@@ -20,12 +20,12 @@
  [
   {"5.5.2", 
    [
-   {restart_application, inets}
+    {restart_application, inets}
    ]
   }, 
   {"5.5.1", 
    [
-     {restart_application, inets}
+    {restart_application, inets}
    ]
   }, 
   {"5.5",
@@ -42,12 +42,12 @@
  [
   {"5.5.2",
    [
-   {restart_application, inets}
+    {restart_application, inets}
    ]
   },
   {"5.5.1", 
    [
-   {restart_application, inets}
+    {restart_application, inets}
    ]
   }, 
   {"5.5",