Warning: Permanently added '10.128.1.123' (ED25519) to the list of known hosts.
syzkaller login: [ 66.354305][ T4286] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 66.361968][ T4287] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 66.365600][ T4286] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 66.371234][ T4287] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 66.378037][ T4286] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[ 66.385797][ T4287] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 66.393571][ T4286] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 66.400640][ T4287] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[ 66.407696][ T4286] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 66.414713][ T4287] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 66.422789][ T4286] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[ 66.430382][ T4287] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 66.436418][ T4286] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 66.443388][ T4287] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 66.451393][ T4286] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 66.458283][ T4287] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 66.466062][ T4286] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 66.472322][ T4287] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[ 66.481067][ T4286] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3
[ 66.488534][ T4287] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 66.496219][ T4286] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 66.503301][ T4287] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 66.517335][ T4287] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3
[ 66.517371][ T4286] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 66.532773][ T4272] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[ 66.535391][ T4286] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 66.548880][ T48] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3
[ 66.556454][ T4288] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 66.562072][ T4286] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
[ 66.601470][ T4275] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
executing program
executing program
[ 171.789594][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 171.797323][ C0] (detected by 0, t=10502 jiffies, g=6357, q=88 ncpus=2)
[ 171.804801][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954296-4294943793), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 171.818297][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g6357 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 171.829787][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 171.840485][ C0] rcu: RCU grace-period kthread stack dump:
[ 171.846534][ C0] task:rcu_preempt state:R running task stack:28192 pid:16 ppid:2 flags:0x00004000
[ 171.858040][ C0] Call Trace:
[ 171.861345][ C0]
[ 171.864764][ C0] __schedule+0x10ec/0x40b0
[ 171.869514][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 171.874751][ C0] ? _raw_spin_unlock+0x40/0x40
[ 171.879632][ C0] ? enqueue_timer+0x23f/0x5c0
[ 171.884737][ C0] ? __sched_text_start+0x8/0x8
[ 171.889950][ C0] ? __mod_timer+0x91e/0xd00
[ 171.894661][ C0] schedule+0xb9/0x180
[ 171.898848][ C0] schedule_timeout+0x15c/0x280
[ 171.903716][ C0] ? console_conditional_schedule+0x40/0x40
[ 171.909620][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 171.915615][ C0] ? update_process_times+0x1b0/0x1b0
[ 171.921005][ C0] ? prepare_to_swait_event+0x335/0x350
[ 171.926831][ C0] rcu_gp_fqs_loop+0x2f2/0x1310
[ 171.931873][ C0] ? rcu_gp_kthread+0x380/0x380
[ 171.936735][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 171.943351][ C0] ? rcu_gp_init+0x14b0/0x14b0
[ 171.948209][ C0] ? rcu_gp_cleanup+0xb4c/0xca0
[ 171.953181][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 171.958414][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 171.963640][ C0] rcu_gp_kthread+0x95/0x380
[ 171.968442][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 171.973582][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 171.979597][ C0] ? __kthread_parkme+0x162/0x1c0
[ 171.984745][ C0] kthread+0x29d/0x330
[ 171.988838][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 171.993957][ C0] ? kthread_blkcg+0xd0/0xd0
[ 171.998793][ C0] ret_from_fork+0x1f/0x30
[ 172.003283][ C0]
[ 172.006325][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 172.012681][ C0] CPU: 0 PID: 4292 Comm: syz-executor921 Not tainted syzkaller #0
[ 172.020762][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 172.030847][ C0] RIP: 0033:0x7f7241995c87
[ 172.035298][ C0] Code: 0b e9 68 fe ff ff 48 83 c4 18 48 8d 3d 12 17 09 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 63 d8 fd ff 0f 1f 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00
[ 172.055351][ C0] RSP: 002b:00007ffe011a7ac8 EFLAGS: 00000202
[ 172.061498][ C0] RAX: 0000000000000003 RBX: 00007ffe011a7c30 RCX: 00007f7241995c87
[ 172.069570][ C0] RDX: 00007ffe011a7b00 RSI: 00007ffe011a7c30 RDI: 0000000000000021
[ 172.077848][ C0] RBP: 0000000000000000 R08: 00007f7241957990 R09: 00007f7241957990
[ 172.085839][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f72419f533c
[ 172.093918][ C0] R13: 00007f72419ef106 R14: 00007ffe011a80e0 R15: 0000000000000000
[ 172.102112][ C0] FS: 00005555849703c0 GS: 0000000000000000