linux-bluetooth Weekly Report - Week 22
Total messages: 202 (115 human, 87 CI/bot)
linux-bluetooth Weekly Report - Week 23
7 June 2026
Total messages: 299 (190 human, 109 CI/bot)
Note: Of the 299 messages, 190 are human-generated, 109 are CI/bot (bluez.test.bot: 49, patchwork-bot+bluetooth: 27, BluezTestBot: 19, bugzilla-daemon: 4, prathibhamadugonde: 3, patchwork-bot+netdevbpf: 2, github-actions[bot]: 2, syzbot: 1, Sasha Levin: 1, kernel test robot: 1).
Summary
This week saw a total of 299 messages on the linux-bluetooth mailing list, with 190 human contributions and 109 bot-generated messages. Discussions revolved around bug fixes, feature enhancements, and support for new hardware, with significant contributions from Intel, Qualcomm, Red Hat, and Collabora. Notable topics included fixes for use-after-free issues, support for new Bluetooth devices, and updates to BlueZ profiles and tools.
Key Patch Series & Discussions
Kernel Patches
| Topic | From | Affiliation | Patches | Status/Notes |
|---|---|---|---|---|
| Bluetooth: btusb: fix wakeup irq devres lifetime | Johan Hovold | Independent | 5 | v4, Applied |
| Bluetooth: L2CAP: Fix UAF in l2cap_chan_timeout | Marco Elver | 1 | v1 | |
| Bluetooth: hci_event: fix simultaneous discovery stuck in FINDING | Jiajia Liu | Independent | 1 | v1, Applied |
| Bluetooth: btusb: Add support for TP-Link TL-UB250 | Cris | Independent | 1 | v2, Applied |
| Bluetooth: hci_core: Fix UAF in hci_unregister_dev() | Jordan Walters | Independent | 1 | v4, Applied |
BlueZ Userspace Patches
| Topic | From | Affiliation | Patches | Status/Notes |
|---|---|---|---|---|
| profiles/audio/bass: Use BASS_Modify_Source when assistant is active | Luiz Augusto von Dentz | Intel | 4 | Pushed |
| shared/bap: add ASE Control Point error responses | raghu447 | Collabora | 1 | Pushed |
| build: Support libical 4.0 | Bastien Nocera | Red Hat | 1 | Pushed |
| adapter: Fix using case sensitive strncmp for pattern match addresses | Luiz Augusto von Dentz | Intel | 1 | Pushed |
| test-mesh-crypto: Fix retval for skipped test | Bastien Nocera | Red Hat | 1 | Pushed |
Discussions & Bug Reports
| Topic | From | Notes |
|---|---|---|
| Bluetooth: Add SPDX id lines to some source files | Tim Bird | v2, v3 |
| Bluetooth: Fix Use-After-Free in hci_unregister_dev | Jordan Walters | v1->v2->v3 |
| Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_connection_cb() | Siwei Zhang | v7->v8->v9 |
| Bluetooth: btusb: Add support for TP-Link TL-UB250 | Cris | v1->v2 |
Top Contributors (by message count)
| Contributor | Affiliation | Messages |
|---|---|---|
| Luiz Augusto von Dentz | Intel | 46 |
| Johan Hovold | Independent | 13 |
| Bastien Nocera | Red Hat | 12 |
| Dmitry Baryshkov | Qualcomm | 10 |
| Bartosz Golaszewski | Independent | 8 |
Merged to master (BlueZ & bluetooth-next)
Applied to bluetooth-next (kernel, via patchwork notifications)
- Bluetooth: btusb: Add TP-Link UB600 for Realtek 8761BUV
- Bluetooth: btusb: fix wakeup irq devres lifetime
- Bluetooth: hci_qca: fix NULL pointer dereferences for non-serdev devices
Pushed to bluez/bluez master
Company Focus Areas
Intel
- Significant contributions from Luiz Augusto von Dentz, including patches for BlueZ profiles and tools.
- Kiran K worked on Bluetooth SAR revision 2 support and fixes for btintel_pcie.
Red Hat
- Bastien Nocera focused on BlueZ build improvements and test fixes.
Qualcomm
- Dmitry Baryshkov contributed to WiFi/BT chip support for SM8350.
- Prathibha Madugonde worked on ranging profile updates.
Collabora
- Raghu447 contributed to shared BAP error handling and BlueZ updates.
- Marco Elver addressed use-after-free issues in L2CAP.
Notable Trends
- Increased focus on fixing use-after-free (UAF) bugs across multiple subsystems.
- Hardware support enhancements, including new device compatibility for TP-Link and Qualcomm chips.
- Continued improvements to BlueZ profiles, including audio and ranging features.
- Collaboration across companies, with significant contributions from Intel, Qualcomm, and Collabora.
- Updates to support newer libraries, such as libical 4.0.
- Ongoing efforts to improve error handling and robustness in Bluetooth stack components.
linux-bluetooth Weekly Report - Week 20
Total messages: 409 (255 human, 154 CI/bot)
linux-bluetooth Weekly Report - Week 19
182 messages (130 human, 52 bot). SDP overflow fix pushed same day (Martin Brodeur). Meson build v10 16-patch series (Bastien Nocera). Multiple security fixes applied: accept_q serialize, HIDP UAF guard, ecred_reconfigure PDU fix. GIT PULL bluetooth 2026-05-06 merged. Short Connection Interval feature v1-v4 (Luiz). getsockopt_iter 7-patch conversion (Breno Leitao). PCI M.2 power seq v2 (Manivannan). 7.1-rc3 Bluetooth regression reported.