Message ID | 1446122683-2355-2-git-send-email-armbru@redhat.com |
---|---|
State | New |
Headers | show |
On 10/29/2015 06:44 AM, Markus Armbruster wrote: > The nesting limit from commit 29c75dd "json-streamer: limit the > maximum recursion depth and maximum token count" applies separately to > braces and brackets. This makes no sense. Apply it to their sum, > because that's actually a measure of recursion depth. > > Signed-off-by: Markus Armbruster <armbru@redhat.com> > --- > qobject/json-streamer.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) Reviewed-by: Eric Blake <eblake@redhat.com> > > diff --git a/qobject/json-streamer.c b/qobject/json-streamer.c > index 1b2f9b1..dced2c7 100644 > --- a/qobject/json-streamer.c > +++ b/qobject/json-streamer.c > @@ -64,8 +64,7 @@ static void json_message_process_token(JSONLexer *lexer, QString *token, JSONTok > parser->bracket_count == 0)) { > goto out_emit; > } else if (parser->token_size > MAX_TOKEN_SIZE || > - parser->bracket_count > MAX_NESTING || > - parser->brace_count > MAX_NESTING) { > + parser->bracket_count + parser->brace_count > MAX_NESTING) { > /* Security consideration, we limit total memory allocated per object > * and the maximum recursion depth that a message can force. > */ >
diff --git a/qobject/json-streamer.c b/qobject/json-streamer.c index 1b2f9b1..dced2c7 100644 --- a/qobject/json-streamer.c +++ b/qobject/json-streamer.c @@ -64,8 +64,7 @@ static void json_message_process_token(JSONLexer *lexer, QString *token, JSONTok parser->bracket_count == 0)) { goto out_emit; } else if (parser->token_size > MAX_TOKEN_SIZE || - parser->bracket_count > MAX_NESTING || - parser->brace_count > MAX_NESTING) { + parser->bracket_count + parser->brace_count > MAX_NESTING) { /* Security consideration, we limit total memory allocated per object * and the maximum recursion depth that a message can force. */
The nesting limit from commit 29c75dd "json-streamer: limit the maximum recursion depth and maximum token count" applies separately to braces and brackets. This makes no sense. Apply it to their sum, because that's actually a measure of recursion depth. Signed-off-by: Markus Armbruster <armbru@redhat.com> --- qobject/json-streamer.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)