commit a6c8b8051eccbdcbaa219bf0afc97519a7d0d1a5
from: Omar Polo <op@omarpolo.com>
date: Mon Aug 28 21:38:09 2023 UTC

don't let crypto_dispatch_server handle IMSG_CRYPTO_ECDSA_SIGN

in this codepath.  otherwise we end up with a mismatch where we
expect a request but were sent a response.

commit - 3cba037a11a67b63d8684dfe7a42779931316e91
commit + a6c8b8051eccbdcbaa219bf0afc97519a7d0d1a5
blob - b5aa68651a750c3a8ef4eea597bdc3c28ee3c92b
blob + 1e6b858e5cb4fc61fdd44926aadd4afe7109e7c3
--- crypto.c
+++ crypto.c
@@ -455,7 +455,8 @@ ecdsae_send_enc_imsg(const unsigned char *dgst, int dg
 			    imsg.hdr.peerid, "crypto", imsg.hdr.pid);
 #endif
 
-			if (crypto_dispatch_server(ibuf->fd, p, &imsg) == 0) {
+			if (imsg.hdr.type != IMSG_CRYPTO_ECDSA_SIGN &&
+			    crypto_dispatch_server(ibuf->fd, p, &imsg) == 0) {
 				/* Message was handled by the callback */
 				imsg_free(&imsg);
 				continue;