On Nov 28 10:53, Achim Gratz wrote: > Achim Gratz writes: > > These patches work for 32bit also and I believe they are correct, but > > that build should not be made available due to a bug in libfido2 that > > crashes when trying to free the memory associated with the WebAuthn > > payload returned. Without these patches applied you can still use the > > fallback to USB-HID when you are an administrator. > > The call into WebAuthn completely messes up the stack apparently. The > returned object looks OK once you realize it is a version 1 and thus the > extension fields are bogus, but the whole thing crashes if you do just > one more call. Gdb session: > > https://paste.c-net.org/SerumLoser > > Any ideas what that might be?
For the bystanders, on a hunch I created a libfido2 patch to change the calling convention for the dynamically loaded windows functions. Let's see if Achim's testing now succeeds on 32 bit... Corinna