Warning: Permanently added '10.128.0.38' (ED25519) to the list of known hosts.
syzkaller login: [ 73.614938][ T4279] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 73.616794][ T4280] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 73.622722][ T4279] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[ 73.630383][ T4280] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 73.644547][ T4280] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 73.644943][ T4279] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 73.652465][ T4280] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 73.659135][ T4279] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[ 73.666206][ T4280] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 73.673514][ T4279] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 73.680752][ T4280] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[ 73.686948][ T4279] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 73.694495][ T4280] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 73.701179][ T4281] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 73.709798][ T4280] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 73.716223][ T4281] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 73.722549][ T4280] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 73.730109][ T4281] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 73.736468][ T4280] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[ 73.744157][ T4281] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
[ 73.750125][ T4280] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 73.757470][ T4281] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 73.764226][ T4280] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3
[ 73.782003][ T4280] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3
[ 73.785812][ T4281] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3
[ 73.789600][ T4280] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 73.796650][ T4281] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 73.803644][ T4280] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[ 73.861933][ T4281] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 73.870471][ T4281] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
executing program
executing program
[ 179.117272][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 179.124419][ C0] (detected by 0, t=10502 jiffies, g=6293, q=93 ncpus=2)
[ 179.131638][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955039-4294944537), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 179.145111][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6293 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 179.156235][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 179.166215][ C0] rcu: RCU grace-period kthread stack dump:
[ 179.172110][ C0] task:rcu_preempt state:R running task stack:27720 pid:16 ppid:2 flags:0x00004000
[ 179.182913][ C0] Call Trace:
[ 179.186204][ C0]
[ 179.189159][ C0] __schedule+0x10e9/0x40d0
[ 179.193815][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 179.199238][ C0] ? _raw_spin_unlock+0x40/0x40
[ 179.204123][ C0] ? release_firmware_map_entry+0x18a/0x18a
[ 179.210051][ C0] schedule+0xb9/0x180
[ 179.214153][ C0] schedule_timeout+0x15c/0x280
[ 179.219024][ C0] ? console_conditional_schedule+0x40/0x40
[ 179.225026][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 179.231029][ C0] ? update_process_times+0x1b0/0x1b0
[ 179.236432][ C0] ? prepare_to_swait_event+0x335/0x350
[ 179.242002][ C0] rcu_gp_fqs_loop+0x2f2/0x1310
[ 179.246879][ C0] ? rcu_gp_kthread+0x380/0x380
[ 179.251931][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 179.258059][ C0] ? rcu_gp_init+0x14b0/0x14b0
[ 179.262860][ C0] ? rcu_gp_cleanup+0xb4c/0xca0
[ 179.267839][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 179.273169][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 179.278393][ C0] rcu_gp_kthread+0x95/0x380
[ 179.283018][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 179.288150][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 179.294070][ C0] ? __kthread_parkme+0x162/0x1c0
[ 179.299222][ C0] kthread+0x29d/0x330
[ 179.303319][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 179.308450][ C0] ? kthread_blkcg+0xd0/0xd0
[ 179.313067][ C0] ret_from_fork+0x1f/0x30
[ 179.317582][ C0]
[ 179.320635][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 179.326984][ C0] CPU: 0 PID: 4284 Comm: syz-executor625 Not tainted 6.1.141-syzkaller #0
[ 179.335513][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 179.345679][ C0] RIP: 0010:preempt_count_add+0xb5/0x190
[ 179.351354][ C0] Code: 0c 00 85 c0 74 09 31 db 31 ff e8 76 6d 0c 00 65 4c 8b 35 be c1 aa 7e 49 81 c6 d8 14 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 11 a2 7a 00 49 89 1e 5b 41 5e 41 5f c3 89 fb e8
[ 179.371160][ C0] RSP: 0018:ffffc90003d67ca0 EFLAGS: 00000246
[ 179.377344][ C0] RAX: 1ffff110033d4dc3 RBX: ffffffff812c8b4a RCX: ffffffff969bf100
[ 179.385441][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff812c8b4a
[ 179.393691][ C0] RBP: ffffc90003d67ec0 R08: dffffc0000000000 R09: ffffed10033d4b29
[ 179.401927][ C0] R10: ffffed10033d4b29 R11: 1ffff110033d4b28 R12: ffff888019ea5940
[ 179.409913][ C0] R13: ffff888019ea5eb0 R14: ffff888019ea6e18 R15: dffffc0000000000
[ 179.417901][ C0] FS: 00005555732ff3c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 179.426935][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 179.433531][ C0] CR2: 000020000006b000 CR3: 0000000027f2d000 CR4: 00000000003506f0
[ 179.441593][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 179.449589][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 179.457579][ C0] Call Trace:
[ 179.460877][ C0]
[ 179.463823][ C0] arch_do_signal_or_restart+0x1da/0x1230
[ 179.469586][ C0] ? __ia32_sys_rt_sigreturn+0x660/0x790
[ 179.475248][ C0] ? load_gs_index+0x120/0x120
[ 179.480121][ C0] ? get_sigframe_size+0x10/0x10
[ 179.485104][ C0] ? exit_to_user_mode_loop+0x3b/0x110
[ 179.490589][ C0] exit_to_user_mode_loop+0x70/0x110
[ 179.495900][ C0] exit_to_user_mode_prepare+0xb1/0x140
[ 179.501471][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 179.506949][ C0] do_syscall_64+0x58/0xa0
[ 179.511389][ C0] ? clear_bhb_loop+0x60/0xb0
[ 179.516080][ C0] ? clear_bhb_loop+0x60/0xb0
[ 179.520781][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 179.526697][ C0] RIP: 0033:0x7f6f8304c91a
[ 179.531142][ C0] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 e3 6a 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 43 6b 02 00 8b 44 24
[ 179.550763][ C0] RSP: 002b:00007ffc8765a300 EFLAGS: 00000293
[ 179.556854][ C0] RAX: fffffffffffffff7 RBX: 0000000000000015 RCX: 00007f6f8304c91a
[ 179.564842][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000014
[ 179.572914][ C0] RBP: 0000000000000000 R08: 00007f6f8300d990 R09: 00007f6f8300d990
[ 179.580905][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6f830ab33c
[ 179.588977][ C0] R13: 00007f6f830a5106 R14: 00007ffc8765a350 R15: 0000000000000000
[ 179.596980][ C0]