------------[ cut here ]------------ WARNING: CPU: 1 PID: 276 at net/bluetooth/hci_conn.c:670 hci_conn_timeout+0x246/0x330 Modules linked in: CPU: 1 PID: 276 Comm: kworker/u5:1 Not tainted 6.4.0-rc4-next-20230602 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: hci7 hci_conn_timeout RIP: 0010:hci_conn_timeout+0x246/0x330 Code: ff e8 3e f9 6b fd 4c 89 e7 e8 86 a4 0a 00 0f b6 e8 e8 2e f9 6b fd 89 ee 4c 89 e7 e8 44 f3 ff ff e9 1a ff ff ff e8 1a f9 6b fd <0f> 0b e9 36 fe ff ff 84 c0 74 93 4c 89 ef e8 e7 2d a1 fd eb 89 48 RSP: 0018:ffff888015877ce8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888045ae2270 RCX: 0000000000000000 RDX: ffff888016eb51c0 RSI: ffffffff83e01266 RDI: 0000000000000005 RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888015877db0 R13: ffff88801f880900 R14: ffff88800f5b5000 R15: ffff888019f48e00 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9c7b8fcf64 CR3: 0000000019e94000 CR4: 0000000000350ee0 Call Trace: process_one_work+0xabf/0x1770 worker_thread+0x64f/0x12a0 kthread+0x33f/0x440 ret_from_fork+0x2c/0x50 irq event stamp: 7249 hardirqs last enabled at (7261): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (7272): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (7134): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (7125): [] irq_exit_rcu+0x93/0xc0 ---[ end trace 0000000000000000 ]--- syz-executor.6 (4270) used greatest stack depth: 23960 bytes left Bluetooth: hci0: command 0x0401 tx timeout Bluetooth: hci7: command 0x0405 tx timeout Bluetooth: hci0: command 0x0401 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci0: command 0x0401 tx timeout