Attention is currently required from: Hoernchen, jolly, lynxis lazus. laforge has posted comments on this change by laforge. ( https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/42192?usp=email ) Change subject: ccid_device: Reject XfrBlock with zero-length data ...................................................................... Patch Set 1: (1 comment) Patchset: PS1:

I think @pmaier just recently ran into a situation where 4-byte TPDU Was actually happening in pract […] Ah indeed, 4 bytes is only possible for an APDU but not a TPDU. See ETSI TS 102 221 Section 7.3.1.1.1 (Case 1) for such a situation.

-- To view, visit https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/42192?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: osmo-ccid-firmware Gerrit-Branch: master Gerrit-Change-Id: I65df88477e4b1c03dc20a8d41e5cbd1c9f363ba8 Gerrit-Change-Number: 42192 Gerrit-PatchSet: 1 Gerrit-Owner: laforge <laforge@osmocom.org> Gerrit-Reviewer: Hoernchen <ewild@sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: jolly <andreas@eversberg.eu> Gerrit-Reviewer: lynxis lazus <lynxis@fe80.eu> Gerrit-CC: dexter <pmaier@sysmocom.de> Gerrit-Attention: Hoernchen <ewild@sysmocom.de> Gerrit-Attention: jolly <andreas@eversberg.eu> Gerrit-Attention: lynxis lazus <lynxis@fe80.eu> Gerrit-Comment-Date: Tue, 24 Feb 2026 19:32:44 +0000 Gerrit-HasComments: Yes Gerrit-Has-Labels: No Comment-In-Reply-To: laforge <laforge@osmocom.org> Comment-In-Reply-To: lynxis lazus <lynxis@fe80.eu>