Warning: Permanently added '10.128.0.62' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program syzkaller login: [ 73.929931][ C0] hrtimer: interrupt took 34413508 ns executing program executing program executing program executing program executing program executing program [ 133.480230][ T22] cfg80211: failed to load regulatory.db [ 133.486880][ T1274] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.495445][ T1274] ieee802154 phy1 wpan1: encryption failed: -22 executing program executing program [ 238.481523][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 238.488624][ C1] rcu: 0-...!: (1 ticks this GP) idle=61dc/1/0x4000000000000000 softirq=8478/8478 fqs=0 [ 238.499071][ C1] (detected by 1, t=10502 jiffies, g=7577, q=387 ncpus=2) [ 238.506329][ C1] Sending NMI from CPU 1 to CPUs 0: [ 238.511574][ C0] NMI backtrace for cpu 0 [ 238.511605][ C0] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.140-syzkaller #0 [ 238.511624][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.511640][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 238.511695][ C0] RIP: 0010:lock_release+0x25d/0x910 [ 238.511723][ C0] Code: e8 03 42 0f b6 04 28 84 c0 0f 85 af 04 00 00 41 83 3e 00 0f 85 c0 03 00 00 4d 8d 74 24 20 4c 89 f3 48 c1 eb 03 42 0f b6 04 2b <84> c0 4c 8b 7c 24 18 0f 85 ab 04 00 00 41 8b 06 3d 00 00 10 00 72 [ 238.511742][ C0] RSP: 0018:ffffc90000007ae0 EFLAGS: 00000802 [ 238.511757][ C0] RAX: 0000000000000000 RBX: 1ffff11027fc7183 RCX: 0000000000000001 [ 238.511770][ C0] RDX: 0000000000000007 RSI: ffffffff96c729e8 RDI: ffff88813fe38bf8 [ 238.511783][ C0] RBP: ffffc90000007bf0 R08: dffffc0000000000 R09: fffffbfff1bfd006 [ 238.511797][ C0] R10: fffffbfff1bfd006 R11: 1ffffffff1bfd005 R12: ffff88813fe38bf8 [ 238.511811][ C0] R13: dffffc0000000000 R14: ffff88813fe38c18 R15: 0000000000000007 [ 238.511824][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 238.511840][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 238.511854][ C0] CR2: 00007ffd0f65bf19 CR3: 000000007474a000 CR4: 00000000003506f0 [ 238.511871][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 238.511882][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 238.511893][ C0] Call Trace: [ 238.511900][ C0] [ 238.511909][ C0] ? debug_object_activate+0x2d7/0x490 [ 238.511948][ C0] ? __lock_acquire+0x7c50/0x7c50 [ 238.511973][ C0] ? __rwlock_init+0x140/0x140 [ 238.512002][ C0] ? do_raw_spin_lock+0x11d/0x280 [ 238.512031][ C0] _raw_spin_unlock_irqrestore+0x6d/0x100 [ 238.512064][ C0] ? _raw_spin_unlock+0x40/0x40 [ 238.512090][ C0] ? advance_sched+0x6cc/0x970 [ 238.512116][ C0] debug_object_activate+0x2d7/0x490 [ 238.512138][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 238.512166][ C0] enqueue_hrtimer+0x30/0x3f0 [ 238.512187][ C0] __hrtimer_run_queues+0x642/0xc80 [ 238.512209][ C0] ? taprio_free_sched_cb+0x190/0x190 [ 238.512237][ C0] ? hrtimer_interrupt+0x8d0/0x8d0 [ 238.512256][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 238.512282][ C0] hrtimer_interrupt+0x3bb/0x8d0 [ 238.512311][ C0] __sysvec_apic_timer_interrupt+0x153/0x5a0 [ 238.512340][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 238.512370][ C0] [ 238.512375][ C0] [ 238.512381][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 238.512400][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0xa5/0x100 [ 238.512428][ C0] Code: 74 05 e8 2e f7 6d f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 b6 71 3e f7 65 8b 05 57 33 e9 75 85 c0 74 3c 48 c7 04 24 0e 36 [ 238.512443][ C0] RSP: 0018:ffffc900000e6c60 EFLAGS: 00000206 [ 238.512457][ C0] RAX: b77252b9441a0700 RBX: 0000000000000a02 RCX: b77252b9441a0700 [ 238.512470][ C0] RDX: dffffc0000000000 RSI: ffffffff8a6c0000 RDI: 0000000000000001 [ 238.512483][ C0] RBP: ffffc900000e6cf0 R08: dffffc0000000000 R09: fffffbfff211705d [ 238.512497][ C0] R10: fffffbfff211705d R11: 1ffffffff211705c R12: dffffc0000000000 [ 238.512511][ C0] R13: 0000000000000000 R14: ffff88807423e930 R15: 1ffff9200001cd8c [ 238.512531][ C0] ? _raw_spin_unlock+0x40/0x40 [ 238.512561][ C0] __folio_start_writeback+0x751/0xf80 [ 238.512589][ C0] ? __folio_end_writeback+0xdd0/0xdd0 [ 238.512613][ C0] ? lock_chain_count+0x20/0x20 [ 238.512635][ C0] ? __mod_lruvec_page_state+0xa1/0x410 [ 238.512664][ C0] ? folio_clear_dirty_for_io+0x6f8/0xc30 [ 238.512691][ C0] ext4_bio_write_page+0x30d/0x2ae0 [ 238.512720][ C0] mpage_submit_page+0x17a/0x210 [ 238.512745][ C0] ext4_writepages+0x1a84/0x2e50 [ 238.512780][ C0] ? ext4_read_folio+0x370/0x370 [ 238.512812][ C0] ? __lock_acquire+0x7c50/0x7c50 [ 238.512836][ C0] ? do_raw_spin_lock+0x11d/0x280 [ 238.512863][ C0] ? writeback_sb_inodes+0x441/0x17d0 [ 238.512894][ C0] ? do_raw_spin_unlock+0x11d/0x230 [ 238.512923][ C0] ? ext4_read_folio+0x370/0x370 [ 238.512950][ C0] do_writepages+0x3b7/0x610 [ 238.512978][ C0] ? wbc_attach_and_unlock_inode+0x387/0x5f0 [ 238.513004][ C0] ? __writepage+0x130/0x130 [ 238.513025][ C0] ? __lock_acquire+0x7c50/0x7c50 [ 238.513051][ C0] ? __lock_acquire+0x7c50/0x7c50 [ 238.513077][ C0] __writeback_single_inode+0x156/0x1160 [ 238.513109][ C0] writeback_sb_inodes+0xad8/0x17d0 [ 238.513149][ C0] ? queue_io+0x5a0/0x5a0 [ 238.513187][ C0] __writeback_inodes_wb+0x12a/0x3f0 [ 238.513220][ C0] wb_writeback+0x47a/0xd00 [ 238.513253][ C0] ? percpu_ref_tryget+0x250/0x250 [ 238.513280][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 238.513310][ C0] ? get_nr_dirty_inodes+0x290/0x2c0 [ 238.513334][ C0] wb_workfn+0xb66/0xec0 [ 238.513367][ C0] ? inode_wait_for_writeback+0x200/0x200 [ 238.513399][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 238.513426][ C0] ? read_lock_is_recursive+0x10/0x10 [ 238.513450][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 238.513477][ C0] ? _raw_spin_unlock+0x40/0x40 [ 238.513503][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 238.513531][ C0] ? process_one_work+0x7a1/0x1160 [ 238.513550][ C0] process_one_work+0x898/0x1160 [ 238.513576][ C0] ? worker_detach_from_pool+0x240/0x240 [ 238.513598][ C0] ? _raw_spin_lock_irq+0xab/0xe0 [ 238.513624][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 238.513650][ C0] ? kthread_data+0x4b/0xc0 [ 238.513677][ C0] worker_thread+0xaa2/0x1250 [ 238.513709][ C0] kthread+0x29d/0x330 [ 238.513735][ C0] ? worker_clr_flags+0x1a0/0x1a0 [ 238.513754][ C0] ? kthread_blkcg+0xd0/0xd0 [ 238.513782][ C0] ret_from_fork+0x1f/0x30 [ 238.513813][ C0] [ 238.514560][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g7577 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 239.085037][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=3805 [ 239.092862][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7577 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 239.104514][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 239.114499][ C1] rcu: RCU grace-period kthread stack dump: [ 239.120410][ C1] task:rcu_preempt state:I stack:27464 pid:16 ppid:2 flags:0x00004000 [ 239.129643][ C1] Call Trace: [ 239.132942][ C1] [ 239.135897][ C1] __schedule+0x10e9/0x40d0 [ 239.140443][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 239.145686][ C1] ? _raw_spin_unlock+0x40/0x40 [ 239.150570][ C1] ? release_firmware_map_entry+0x18a/0x18a [ 239.156582][ C1] schedule+0xb9/0x180 [ 239.160758][ C1] schedule_timeout+0x15c/0x280 [ 239.165635][ C1] ? console_conditional_schedule+0x40/0x40 [ 239.171560][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 239.177568][ C1] ? update_process_times+0x1b0/0x1b0 [ 239.183061][ C1] ? prepare_to_swait_event+0x335/0x350 [ 239.188649][ C1] rcu_gp_fqs_loop+0x2f2/0x1310 [ 239.193529][ C1] ? rcu_gp_kthread+0x380/0x380 [ 239.198406][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 239.204411][ C1] ? rcu_gp_init+0x14b0/0x14b0 [ 239.209202][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 239.214085][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 239.219313][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 239.224644][ C1] rcu_gp_kthread+0x95/0x380 [ 239.229256][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 239.234388][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 239.240312][ C1] ? __kthread_parkme+0x162/0x1c0 [ 239.245369][ C1] kthread+0x29d/0x330 [ 239.249462][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 239.254589][ C1] ? kthread_blkcg+0xd0/0xd0 [ 239.259218][ C1] ret_from_fork+0x1f/0x30 [ 239.263677][ C1] [ 239.266723][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 239.273052][ C1] Sending NMI from CPU 1 to CPUs 0: [ 239.278358][ C0] NMI backtrace for cpu 0 [ 239.278367][ C0] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.140-syzkaller #0 [ 239.278383][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.278394][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 239.278423][ C0] RIP: 0010:do_raw_spin_unlock+0x66/0x230 [ 239.278452][ C0] Code: 48 89 df be 04 00 00 00 e8 d7 1d 6e 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 6e 01 00 00 83 3b 00 0f 84 e4 00 00 00 <4c> 8d 73 10 4d 89 f5 49 c1 ed 03 43 80 7c 25 00 00 74 08 4c 89 f7 [ 239.278465][ C0] RSP: 0018:ffffc90000007c28 EFLAGS: 00000002 [ 239.278479][ C0] RAX: 0000000000000000 RBX: ffffffff96c729d0 RCX: ffffffff816430c9 [ 239.278491][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff96c729d0 [ 239.278502][ C0] RBP: ffffc90000007ce0 R08: dffffc0000000000 R09: fffffbfff2d8e53b [ 239.278514][ C0] R10: fffffbfff2d8e53b R11: 1ffffffff2d8e53a R12: dffffc0000000000 [ 239.278527][ C0] R13: dffffc0000000000 R14: ffffffff96c729d4 R15: 1ffff92000000f8c [ 239.278540][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 239.278554][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 239.278566][ C0] CR2: 00007ffd0f65bf19 CR3: 000000007474a000 CR4: 00000000003506f0 [ 239.278581][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 239.278590][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 239.278600][ C0] Call Trace: [ 239.278607][ C0] [ 239.278614][ C0] _raw_spin_unlock_irqrestore+0x75/0x100 [ 239.278641][ C0] ? _raw_spin_unlock+0x40/0x40 [ 239.278664][ C0] ? debug_object_deactivate+0x63/0x340 [ 239.278688][ C0] debug_deactivate+0x29/0x240 [ 239.278707][ C0] __hrtimer_run_queues+0x2d0/0xc80 [ 239.278729][ C0] ? taprio_free_sched_cb+0x190/0x190 [ 239.278756][ C0] ? hrtimer_interrupt+0x8d0/0x8d0 [ 239.278773][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 239.278798][ C0] hrtimer_interrupt+0x3bb/0x8d0 [ 239.278826][ C0] __sysvec_apic_timer_interrupt+0x153/0x5a0 [ 239.278853][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 239.278885][ C0] [ 239.278890][ C0] [ 239.278895][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 239.278912][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0xa5/0x100 [ 239.278937][ C0] Code: 74 05 e8 2e f7 6d f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 b6 71 3e f7 65 8b 05 57 33 e9 75 85 c0 74 3c 48 c7 04 24 0e 36 [ 239.278950][ C0] RSP: 0018:ffffc900000e6c60 EFLAGS: 00000206 [ 239.278963][ C0] RAX: b77252b9441a0700 RBX: 0000000000000a02 RCX: b77252b9441a0700 [ 239.278975][ C0] RDX: dffffc0000000000 RSI: ffffffff8a6c0000 RDI: 0000000000000001 [ 239.278986][ C0] RBP: ffffc900000e6cf0 R08: dffffc0000000000 R09: fffffbfff211705d [ 239.278999][ C0] R10: fffffbfff211705d R11: 1ffffffff211705c R12: dffffc0000000000 [ 239.279011][ C0] R13: 0000000000000000 R14: ffff88807423e930 R15: 1ffff9200001cd8c [ 239.279030][ C0] ? _raw_spin_unlock+0x40/0x40 [ 239.279058][ C0] __folio_start_writeback+0x751/0xf80 [ 239.279084][ C0] ? __folio_end_writeback+0xdd0/0xdd0 [ 239.279106][ C0] ? lock_chain_count+0x20/0x20 [ 239.279126][ C0] ? __mod_lruvec_page_state+0xa1/0x410 [ 239.279152][ C0] ? folio_clear_dirty_for_io+0x6f8/0xc30 [ 239.279176][ C0] ext4_bio_write_page+0x30d/0x2ae0 [ 239.279203][ C0] mpage_submit_page+0x17a/0x210 [ 239.279225][ C0] ext4_writepages+0x1a84/0x2e50 [ 239.279260][ C0] ? ext4_read_folio+0x370/0x370 [ 239.279291][ C0] ? __lock_acquire+0x7c50/0x7c50 [ 239.279312][ C0] ? do_raw_spin_lock+0x11d/0x280 [ 239.279337][ C0] ? writeback_sb_inodes+0x441/0x17d0 [ 239.279366][ C0] ? do_raw_spin_unlock+0x11d/0x230 [ 239.279392][ C0] ? ext4_read_folio+0x370/0x370 [ 239.279410][ C0] do_writepages+0x3b7/0x610 [ 239.279435][ C0] ? wbc_attach_and_unlock_inode+0x387/0x5f0 [ 239.279459][ C0] ? __writepage+0x130/0x130 [ 239.279478][ C0] ? __lock_acquire+0x7c50/0x7c50 [ 239.279502][ C0] ? __lock_acquire+0x7c50/0x7c50 [ 239.279526][ C0] __writeback_single_inode+0x156/0x1160 [ 239.279555][ C0] writeback_sb_inodes+0xad8/0x17d0 [ 239.279593][ C0] ? queue_io+0x5a0/0x5a0 [ 239.279630][ C0] __writeback_inodes_wb+0x12a/0x3f0 [ 239.279662][ C0] wb_writeback+0x47a/0xd00 [ 239.279694][ C0] ? percpu_ref_tryget+0x250/0x250 [ 239.279719][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 239.279747][ C0] ? get_nr_dirty_inodes+0x290/0x2c0 [ 239.279769][ C0] wb_workfn+0xb66/0xec0 [ 239.279800][ C0] ? inode_wait_for_writeback+0x200/0x200 [ 239.279830][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 239.279854][ C0] ? read_lock_is_recursive+0x10/0x10 [ 239.279875][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 239.279904][ C0] ? _raw_spin_unlock+0x40/0x40 [ 239.279928][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 239.279952][ C0] ? process_one_work+0x7a1/0x1160 [ 239.279969][ C0] process_one_work+0x898/0x1160 [ 239.279994][ C0] ? worker_detach_from_pool+0x240/0x240 [ 239.280014][ C0] ? _raw_spin_lock_irq+0xab/0xe0 [ 239.280037][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 239.280060][ C0] ? kthread_data+0x4b/0xc0 [ 239.280085][ C0] worker_thread+0xaa2/0x1250 [ 239.280115][ C0] kthread+0x29d/0x330 [ 239.280137][ C0] ? worker_clr_flags+0x1a0/0x1a0 [ 239.280154][ C0] ? kthread_blkcg+0xd0/0xd0 [ 239.280178][ C0] ret_from_fork+0x1f/0x30 [ 239.280207][ C0]