Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes syzkaller login: [ 85.180929][ T4256] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 85.234213][ T4275] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.234613][ T4281] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 85.244054][ T4275] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 85.249878][ T4281] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 85.256534][ T4275] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 85.265310][ T4281] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 85.271003][ T4275] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 85.277146][ T4281] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 85.284295][ T4275] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.291802][ T4281] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 85.298069][ T4275] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 85.304713][ T4281] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 85.311797][ T4275] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 85.320057][ T4281] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 85.326344][ T4275] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.340517][ T4281] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 85.341186][ T4275] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 85.348768][ T4281] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.355002][ T4275] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 85.361828][ T4281] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 85.369989][ T4275] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 85.382793][ T4275] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 85.384860][ T4282] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 85.390548][ T4275] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 85.398263][ T4282] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 85.404250][ T4281] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 85.411273][ T4282] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 85.418051][ T4281] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 85.432295][ T4270] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 85.440630][ T4270] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 190.683647][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 190.690801][ C1] (detected by 1, t=10502 jiffies, g=7821, q=24 ncpus=2) [ 190.697947][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294956194-4294945691), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 190.711348][ C1] rcu: rcu_preempt kthread starved for 10504 jiffies! g7821 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 190.722482][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 190.732472][ C1] rcu: RCU grace-period kthread stack dump: [ 190.738386][ C1] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 [ 190.749245][ C1] Call Trace: [ 190.752647][ C1] [ 190.755615][ C1] __schedule+0x10e9/0x40d0 [ 190.760201][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 190.765434][ C1] ? _raw_spin_unlock+0x40/0x40 [ 190.770326][ C1] ? release_firmware_map_entry+0x18a/0x18a [ 190.776285][ C1] schedule+0xb9/0x180 [ 190.780413][ C1] schedule_timeout+0x15c/0x280 [ 190.785314][ C1] ? console_conditional_schedule+0x40/0x40 [ 190.791245][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 190.797274][ C1] ? update_process_times+0x1b0/0x1b0 [ 190.802713][ C1] ? prepare_to_swait_event+0x335/0x350 [ 190.808510][ C1] rcu_gp_fqs_loop+0x2f2/0x1310 [ 190.813413][ C1] ? rcu_gp_kthread+0x380/0x380 [ 190.818298][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 190.824315][ C1] ? rcu_gp_init+0x14b0/0x14b0 [ 190.829194][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 190.834076][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 190.839314][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 190.844545][ C1] rcu_gp_kthread+0x95/0x380 [ 190.849165][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 190.854309][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 190.860241][ C1] ? __kthread_parkme+0x162/0x1c0 [ 190.865305][ C1] kthread+0x29d/0x330 [ 190.869415][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 190.874551][ C1] ? kthread_blkcg+0xd0/0xd0 [ 190.879185][ C1] ret_from_fork+0x1f/0x30 [ 190.883651][ C1] [ 190.886701][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 190.893067][ C1] CPU: 1 PID: 4287 Comm: syz-executor205 Not tainted 6.1.141-syzkaller #0 [ 190.901589][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 190.911669][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 190.917516][ C1] Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 de d0 49 f7 48 89 df e8 36 96 4a f7 e8 31 97 6d f7 fb bf 01 00 00 00 46 13 3e f7 65 8b 05 17 d4 e8 75 85 c0 74 02 5b c3 e8 64 e5 e6 [ 190.937171][ C1] RSP: 0018:ffffc90003ef7bb8 EFLAGS: 00000286 [ 190.943272][ C1] RAX: 4b9393fa73147000 RBX: ffff88802ee32e40 RCX: 4b9393fa73147000 [ 190.951278][ C1] RDX: dffffc0000000000 RSI: ffffffff8a6bffe0 RDI: 0000000000000001 [ 190.959278][ C1] RBP: ffff88802ee332d8 R08: dffffc0000000000 R09: ffffed1005dc65c9 [ 190.967277][ C1] R10: ffffed1005dc65c9 R11: 1ffff11005dc65c8 R12: 1ffff11005dc665b [ 190.975277][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 190.983277][ C1] FS: 00005555749193c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 190.992242][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 190.998853][ C1] CR2: 00007fa208f43be0 CR3: 00000000281a2000 CR4: 00000000003506e0 [ 191.006860][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 191.014864][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 191.022863][ C1] Call Trace: [ 191.026171][ C1] [ 191.029125][ C1] get_signal+0x1163/0x1350 [ 191.033699][ C1] arch_do_signal_or_restart+0xb0/0x1230 [ 191.039365][ C1] ? __ia32_sys_rt_sigreturn+0x660/0x790 [ 191.045033][ C1] ? load_gs_index+0x120/0x120 [ 191.049832][ C1] ? get_sigframe_size+0x10/0x10 [ 191.054824][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 191.060328][ C1] exit_to_user_mode_loop+0x70/0x110 [ 191.065649][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 191.071244][ C1] syscall_exit_to_user_mode+0x16/0x40 [ 191.076731][ C1] do_syscall_64+0x58/0xa0 [ 191.081186][ C1] ? clear_bhb_loop+0x60/0xb0 [ 191.085897][ C1] ? clear_bhb_loop+0x60/0xb0 [ 191.090614][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 191.096548][ C1] RIP: 0033:0x7fa208f2a829 [ 191.101004][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 191.120659][ C1] RSP: 002b:00007ffd93d52c18 EFLAGS: 00000246 [ 191.126897][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fa208f2a829 [ 191.134900][ C1] RDX: 0000200000000340 RSI: 0000000000000000 RDI: 0000000000000000 [ 191.142907][ C1] RBP: 0000000000000000 R08: 00007fa208ee1990 R09: 00007fa208ee1990 [ 191.150928][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa208f8215c [ 191.158930][ C1] R13: 00007fa208f7b157 R14: 00007ffd93d52c50 R15: 0000000000000000 [ 191.166948][ C1]