IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Bluetooth: hci4: command 0x0409 tx timeout ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5837 at kernel/workqueue.c:1438 __queue_work+0xbd9/0xc20 kernel/workqueue.c:1438 Modules linked in: CPU: 1 PID: 5837 Comm: kworker/1:7 Not tainted 5.19.0-rc2-syzkaller-00258-g354c6e071be9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events hci_cmd_timeout RIP: 0010:__queue_work+0xbd9/0xc20 kernel/workqueue.c:1438 Code: 00 e9 01 fd ff ff e8 66 a1 30 00 89 ee 48 c7 c7 40 e0 9c 8c e8 88 97 0a 03 e9 4b fc ff ff e8 4e a1 30 00 eb 05 e8 47 a1 30 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 31 a1 30 00 RSP: 0018:ffffc900032bfad8 EFLAGS: 00010093 RAX: ffffffff81570899 RBX: ffff8880b9b3ea08 RCX: ffff88807a9d1d80 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: 0000000000010000 R08: ffffffff81597224 R09: ffffed100391018d R10: ffffed100391018d R11: 1ffff1100391018c R12: 0000000000000200 R13: dffffc0000000000 R14: ffff88807a9bd000 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7a59f9d090 CR3: 000000001d1df000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x137/0x240 kernel/workqueue.c:1545 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30