------------[ cut here ]------------ WARNING: CPU: 1 PID: 5827 at net/bluetooth/hci_conn.c:568 hci_conn_timeout+0xff/0x290 net/bluetooth/hci_conn.c:568 Modules linked in: CPU: 1 UID: 0 PID: 5827 Comm: kworker/u9:4 Not tainted 6.15.0-rc5-syzkaller-00277-g345030986df8 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: hci1 hci_conn_timeout RIP: 0010:hci_conn_timeout+0xff/0x290 net/bluetooth/hci_conn.c:568 Code: 48 89 df e8 63 fc 08 00 eb 07 e8 ac 5d 70 f7 b0 13 0f b6 f0 48 89 df 5b 41 5c 41 5e 41 5f 5d e9 17 d1 fe ff e8 92 5d 70 f7 90 <0f> 0b 90 eb 8c 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 31 ff ff ff RSP: 0018:ffffc9000433faf0 EFLAGS: 00010293 RAX: ffffffff8a4f71ae RBX: ffff888030f40000 RCX: ffff888028bcda00 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: 00000000ffffffff R08: ffff888030f40013 R09: 1ffff110061e8002 R10: dffffc0000000000 R11: ffffed10061e8003 R12: dffffc0000000000 R13: ffff88801d7acf18 R14: ffff888030f40948 R15: ffff888030f40010 FS: 0000000000000000(0000) GS:ffff888126200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa516b13fe8 CR3: 000000005d072000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245