Warning: Permanently added '10.128.0.108' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes syzkaller login: [ 69.519323][ T4291] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.548761][ T4307] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 69.552445][ T4310] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 69.554860][ T4310] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 69.557371][ T4313] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.561530][ T4317] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 69.562012][ T4318] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 69.563709][ T4317] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.565757][ T4318] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 69.567728][ T4317] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 69.570743][ T4318] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 69.572010][ T4317] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.574464][ T4318] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 69.575591][ T4319] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 69.577374][ T4318] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 69.580122][ T4319] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 69.582541][ T4318] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 69.583522][ T4319] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 69.585372][ T4318] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 69.587089][ T4319] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 69.589503][ T4318] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 69.590785][ T4319] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 69.592672][ T4318] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 69.596546][ T4320] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.596702][ T4318] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 69.601164][ T4320] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.603615][ T4320] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.606363][ T4320] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 69.609732][ T4307] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 69.612193][ T4320] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 69.616213][ T4320] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 69.628978][ T7] cfg80211: failed to load regulatory.db [ 69.757314][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.759733][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.762622][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.802843][ T140] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.805046][ T140] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.807817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.876900][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.879498][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.882572][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.888753][ T140] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.891080][ T140] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.895455][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.905598][ T1731] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.907770][ T1731] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.910230][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.912368][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.915005][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.920215][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.972727][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.975006][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.977261][ T140] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.978120][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.979873][ T140] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.984232][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.988483][ T1731] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.990894][ T1731] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.998563][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 70.037141][ T140] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.039913][ T140] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.042891][ T4322] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 175.058148][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 175.060075][ C1] (detected by 1, t=10502 jiffies, g=3737, q=165 ncpus=2) [ 175.061927][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954800-4294944298), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 175.065470][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g3737 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.068385][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 175.071046][ C1] rcu: RCU grace-period kthread stack dump: [ 175.072549][ C1] task:rcu_preempt state:R running task stack:0 pid:16 ppid:2 flags:0x00000008 [ 175.075372][ C1] Call trace: [ 175.076230][ C1] __switch_to+0x308/0x598 [ 175.077425][ C1] __schedule+0xef4/0x1d44 [ 175.078609][ C1] schedule+0xc4/0x170 [ 175.079684][ C1] schedule_timeout+0x1d8/0x344 [ 175.080976][ C1] rcu_gp_fqs_loop+0x2cc/0x1538 [ 175.082232][ C1] rcu_gp_kthread+0xc0/0x308 [ 175.083430][ C1] kthread+0x250/0x2d8 [ 175.084520][ C1] ret_from_fork+0x10/0x20 [ 175.085718][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 175.087425][ C1] CPU: 1 PID: 4323 Comm: syz-executor282 Not tainted 6.1.134-syzkaller #0 [ 175.089646][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 175.092315][ C1] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 175.094351][ C1] pc : arch_local_irq_restore+0x8/0x10 [ 175.095869][ C1] lr : lock_is_held_type+0x150/0x1a8 [ 175.097272][ C1] sp : ffff8000213478f0 [ 175.098330][ C1] x29: ffff8000213478f0 x28: dfff800000000000 x27: dfff800000000000 [ 175.100437][ C1] x26: ffff0000c81f9bc0 x25: ffff800015a54cc0 x24: ffff700004268f50 [ 175.102558][ C1] x23: ffff0000c81f9bc0 x22: ffff0000c81f9bc0 x21: ffff800015cd77a0 [ 175.104777][ C1] x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe0001a87bd94 [ 175.107057][ C1] x17: 0000000000000000 x16: ffff800008300d88 x15: 0000000000000000 [ 175.109157][ C1] x14: 1ffff00002b600b2 x13: dfff800000000000 x12: 0000000000000004 [ 175.111379][ C1] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0000000000000000 [ 175.113634][ C1] x8 : 00000000000000c0 x7 : 0000000000000000 x6 : 0000000000000000 [ 175.115780][ C1] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 [ 175.117930][ C1] x2 : 0000000000000000 x1 : ffff80001248e700 x0 : 0000000000000000 [ 175.120055][ C1] Call trace: [ 175.120896][ C1] arch_local_irq_restore+0x8/0x10 [ 175.122312][ C1] __might_resched+0x98/0x4d8 [ 175.123548][ C1] __might_sleep+0x90/0xe4 [ 175.124828][ C1] __might_fault+0x7c/0x124 [ 175.126096][ C1] __rseq_handle_notify_resume+0x630/0x193c [ 175.127612][ C1] do_notify_resume+0x6a4/0x2cb8 [ 175.128925][ C1] el0_svc+0x9c/0x168 [ 175.129967][ C1] el0t_64_sync_handler+0x84/0xf0 [ 175.131273][ C1] el0t_64_sync+0x18c/0x190