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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33ba4ee07f2sm21250894eec.18.2026.09.13.20.43.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Sep 2026 20:43:15 -0700 (PDT) From: Zijun Hu Subject: [PATCH 0/4] Bluetooth: Fix 2 devcoredump bugs and improve event length checks Date: Sun, 13 Sep 2026 20:42:55 -0700 Message-Id: <20260913-misc_fix-v1-0-558c1e4028b9@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-B4-Tracking: v=1; b=H4sIAD9tp2oC/yXM4QpAMBQF4FfR/W21kYVXkcTccZXRLlLy7oaf3 +mccwGjJ2Qoows8HsS0uAAVR2DG1g0oqA+GRCZaFioVM7FpLJ1CW20zlVvUXQahvnoM8XdV1b9 57yY027uH+34Atwvx7WwAAAA= X-Change-ID: 20260913-misc_fix-6f6f518fe6b5 To: Marcel Holtmann , Luiz Augusto von Dentz , Abhishek Pandit-Subedi , Manish Mandlik Cc: Zijun Hu , Luiz Augusto von Dentz , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, Zijun Hu X-Mailer: b4 0.15.2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE0MDA0OSBTYWx0ZWRfX3oawQEJfbrxT YC0X7Af0nrtCqwMoDpxRgxIvme1uwMPRkL0PpfFsdu9zGSw3wIYYyxEOaV+vf83rf+4G+CZCkcU 2AaCUwzop0hVEcYdN3Bn31h58AnNVtv0dAwCR8zNdXyuiTdBQKdppjLDmRwhOEecKbVE4jxKdde /NYmNncNnqSM7N3l3cDMdf04L4xw+NPu4iA+lF7C5cxG7v6qoHx46eh1ci9hx7HwXwCZBt+7yWG nwIpDrg1LqgLeWgxeZXk1DWVW6xRo0x6m3ug8HglSI3RzLsXVLRnrjtzC8GO1hSKg4BtnLVkiU5 G3HoSYmfY5q4JoX2eaYrVLbs4rXuOnkJig0MCpgdcJW8dorlLymb6tfuNjN9lbW/ceddCr4ah9q GnZAAGcfhad7yyoXgVkR5Uivgh4/D1B4BE8cuc5k7CpPtqBwqXotLeY2B3nxOTC3upyHl94g6vY xs2xtZUyppfMxYx5GCg== X-Authority-Analysis: v=2.4 cv=EMyTQFZC c=1 sm=1 tr=0 ts=6aa76d55 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=PimEVOJaLDa5rcmy7b0A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE0MDA0OSBTYWx0ZWRfXydinfX99GKKr J0HMrxOSOulzl6QmBhqcqpHVPnz9dGWtMSRkYR+InpU1c3j9zKr8UvB00BHSgsHmchpm0Ud9MWr uQj1eIE4akgQ67BpWVRHUjlgeYiHRuQ= X-Proofpoint-GUID: o6hTr2dyVfJJw4D-Fhn-PyFEwFTghPsQ X-Proofpoint-ORIG-GUID: o6hTr2dyVfJJw4D-Fhn-PyFEwFTghPsQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-14_01,2026-09-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 impostorscore=0 spamscore=0 bulkscore=0 clxscore=1015 malwarescore=0 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609140049 This series fixes two devcoredump issues and improves the payload length limits used to validate HCI events, — all simple. Signed-off-by: Zijun Hu --- Zijun Hu (4): Bluetooth: coredump: Fix skb leak in hci_devcd_append() stub Bluetooth: coredump: Fix btmon heap-buffer-overflow Bluetooth: hci_event: Use 254 as max LE Meta subevent payload length in hci_le_ev_table[] Bluetooth: hci_event: Use 252 as max CC event payload length in hci_cc_table[] include/net/bluetooth/coredump.h | 1 + net/bluetooth/coredump.c | 17 ++++++++++++----- net/bluetooth/hci_event.c | 28 +++++++++++++++++----------- 3 files changed, 30 insertions(+), 16 deletions(-) --- base-commit: e40edfa049b967f0b9379bf549c59431302ad181 change-id: 20260913-misc_fix-6f6f518fe6b5 Best regards, -- Zijun Hu