last executing test programs: kernel console output (not intermixed with test programs): [ 52.285357][ T80] ------------[ cut here ]------------ [ 52.285739][ T80] [ 52.285749][ T80] ====================================================== [ 52.285753][ T80] WARNING: possible circular locking dependency detected [ 52.285760][ T80] 6.12.0-syzkaller-05491-g5d066766c5f1 #0 Not tainted [ 52.285767][ T80] ------------------------------------------------------ [ 52.285770][ T80] kworker/1:1/80 is trying to acquire lock: [ 52.285776][ T80] ffffffff8ea17d80 (console_owner){....}-{0:0}, at: console_flush_all+0x1a3/0xeb0 [ 52.285824][ T80] [ 52.285824][ T80] but task is already holding lock: [ 52.285827][ T80] ffff8880b873e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 52.285853][ T80] [ 52.285853][ T80] which lock already depends on the new lock. [ 52.285853][ T80] [ 52.285856][ T80] [ 52.285856][ T80] the existing dependency chain (in reverse order) is: [ 52.285860][ T80] [ 52.285860][ T80] -> #4 (&rq->__lock){-.-.}-{2:2}: [ 52.285873][ T80] lock_acquire+0x1ed/0x550 [ 52.285882][ T80] _raw_spin_lock_nested+0x31/0x40 [ 52.285898][ T80] raw_spin_rq_lock_nested+0x2a/0x140 [ 52.285910][ T80] task_rq_lock+0xc6/0x360 [ 52.285922][ T80] cgroup_move_task+0x9b/0x5a0 [ 52.285936][ T80] css_set_move_task+0x72e/0x950 [ 52.285948][ T80] cgroup_post_fork+0x256/0x880 [ 52.285959][ T80] copy_process+0x39e9/0x3d50 [ 52.285972][ T80] kernel_clone+0x226/0x8f0 [ 52.285985][ T80] user_mode_thread+0x132/0x1a0 [ 52.285999][ T80] rest_init+0x23/0x300 [ 52.286011][ T80] start_kernel+0x47f/0x500 [ 52.286021][ T80] x86_64_start_reservations+0x2a/0x30 [ 52.286033][ T80] x86_64_start_kernel+0x9f/0xa0 [ 52.286044][ T80] common_startup_64+0x13e/0x147 [ 52.286056][ T80] [ 52.286056][ T80] -> #3 (&p->pi_lock){-.-.}-{2:2}: [ 52.286068][ T80] lock_acquire+0x1ed/0x550 [ 52.286077][ T80] _raw_spin_lock_irqsave+0xd5/0x120 [ 52.286087][ T80] try_to_wake_up+0xc2/0x1470 [ 52.286097][ T80] __wake_up_common_lock+0x130/0x1e0 [ 52.286105][ T80] tty_port_default_wakeup+0xa6/0xf0 [ 52.286118][ T80] serial8250_tx_chars+0x6e2/0x930 [ 52.286133][ T80] serial8250_handle_irq+0x630/0xb80 [ 52.286146][ T80] serial8250_default_handle_irq+0xd1/0x1f0 [ 52.286156][ T80] serial8250_interrupt+0xa9/0x1f0 [ 52.286167][ T80] __handle_irq_event_percpu+0x29a/0xa80 [ 52.286181][ T80] handle_irq_event+0x89/0x1f0 [ 52.286193][ T80] handle_edge_irq+0x25f/0xc20 [ 52.286205][ T80] __common_interrupt+0x136/0x230 [ 52.286218][ T80] common_interrupt+0xb4/0xd0 [ 52.286231][ T80] asm_common_interrupt+0x26/0x40 [ 52.286248][ T80] acpi_safe_halt+0x21/0x30 [ 52.286260][ T80] acpi_idle_enter+0xe4/0x140 [ 52.286272][ T80] cpuidle_enter_state+0x109/0x470 [ 52.286283][ T80] cpuidle_enter+0x5d/0xa0 [ 52.286295][ T80] do_idle+0x372/0x5c0 [ 52.286308][ T80] cpu_startup_entry+0x42/0x60 [ 52.286320][ T80] rest_init+0x2dc/0x300 [ 52.286332][ T80] start_kernel+0x47f/0x500 [ 52.286341][ T80] x86_64_start_reservations+0x2a/0x30 [ 52.286353][ T80] x86_64_start_kernel+0x9f/0xa0 [ 52.286364][ T80] common_startup_64+0x13e/0x147 [ 52.286375][ T80] [ 52.286375][ T80] -> #2 (&tty->write_wait){-.-.}-{3:3}: [ 52.286388][ T80] lock_acquire+0x1ed/0x550 [ 52.286396][ T80] _raw_spin_lock_irqsave+0xd5/0x120 [ 52.286407][ T80] __wake_up_common_lock+0x25/0x1e0 [ 52.286415][ T80] tty_port_default_wakeup+0xa6/0xf0 [ 52.286424][ T80] serial8250_tx_chars+0x6e2/0x930 [ 52.286437][ T80] serial8250_handle_irq+0x630/0xb80 [ 52.286450][ T80] serial8250_default_handle_irq+0xd1/0x1f0 [ 52.286460][ T80] serial8250_interrupt+0xa9/0x1f0 [ 52.286471][ T80] __handle_irq_event_percpu+0x29a/0xa80 [ 52.286484][ T80] handle_irq_event+0x89/0x1f0 [ 52.286497][ T80] handle_edge_irq+0x25f/0xc20 [ 52.286508][ T80] __common_interrupt+0x136/0x230 [ 52.286520][ T80] common_interrupt+0xb4/0xd0 [ 52.286532][ T80] asm_common_interrupt+0x26/0x40 [ 52.286551][ T80] _raw_spin_unlock_irqrestore+0xd8/0x140 [ 52.286562][ T80] uart_write+0x3e4/0xa40 [ 52.286575][ T80] n_tty_write+0xd62/0x1230 [ 52.286585][ T80] file_tty_write+0x546/0x9b0 [ 52.286598][ T80] vfs_write+0xaeb/0xd30 [ 52.286610][ T80] ksys_write+0x18f/0x2b0 [ 52.286622][ T80] do_syscall_64+0xf3/0x230 [ 52.286633][ T80] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.286645][ T80] [ 52.286645][ T80] -> #1 (&port_lock_key){-.-.}-{3:3}: [ 52.286658][ T80] lock_acquire+0x1ed/0x550 [ 52.286666][ T80] _raw_spin_lock_irqsave+0xd5/0x120 [ 52.286677][ T80] serial8250_console_write+0x1a7/0x1ed0 [ 52.286685][ T80] console_flush_all+0x86b/0xeb0 [ 52.286697][ T80] console_unlock+0x14f/0x3b0 [ 52.286708][ T80] vprintk_emit+0x730/0xa10 [ 52.286719][ T80] _printk+0xd5/0x120 [ 52.286729][ T80] register_console+0xbf5/0xfd0 [ 52.286741][ T80] univ8250_console_init+0x52/0x90 [ 52.286754][ T80] console_init+0x1b8/0x6f0 [ 52.286764][ T80] start_kernel+0x2d8/0x500 [ 52.286772][ T80] x86_64_start_reservations+0x2a/0x30 [ 52.286784][ T80] x86_64_start_kernel+0x9f/0xa0 [ 52.286795][ T80] common_startup_64+0x13e/0x147 [ 52.286806][ T80] [ 52.286806][ T80] -> #0 (console_owner){....}-{0:0}: [ 52.286818][ T80] validate_chain+0x18ef/0x5920 [ 52.286829][ T80] __lock_acquire+0x1397/0x2100 [ 52.286837][ T80] lock_acquire+0x1ed/0x550 [ 52.286845][ T80] console_flush_all+0x7f8/0xeb0 [ 52.286858][ T80] console_unlock+0x14f/0x3b0 [ 52.286869][ T80] vprintk_emit+0x730/0xa10 [ 52.286879][ T80] _printk+0xd5/0x120 [ 52.286888][ T80] report_bug+0x346/0x500 [ 52.286897][ T80] handle_bug+0x60/0x90 [ 52.286908][ T80] exc_invalid_op+0x1a/0x50 [ 52.286919][ T80] asm_exc_invalid_op+0x1a/0x20 [ 52.286931][ T80] enqueue_dl_entity+0x1630/0x1d60 [ 52.286943][ T80] dl_server_start+0xc9/0x240 [ 52.286953][ T80] enqueue_task_fair+0xb5c/0xea0 [ 52.286962][ T80] enqueue_task+0x72/0x330 [ 52.286974][ T80] activate_task+0x61/0xc0 [ 52.286987][ T80] attach_task+0xee/0x190 [ 52.286998][ T80] sched_balance_rq+0x664a/0x8620 [ 52.287009][ T80] sched_balance_newidle+0x6ba/0xfd0 [ 52.287024][ T80] pick_next_task_fair+0x40/0xc90 [ 52.287037][ T80] __pick_next_task+0xdd/0x400 [ 52.287047][ T80] __schedule+0x776/0x4c30 [ 52.287058][ T80] schedule+0x14b/0x320 [ 52.287069][ T80] worker_thread+0xa30/0xd30 [ 52.287083][ T80] kthread+0x2f0/0x390 [ 52.287092][ T80] ret_from_fork+0x4b/0x80 [ 52.287100][ T80] ret_from_fork_asm+0x1a/0x30 [ 52.287113][ T80] [ 52.287113][ T80] other info that might help us debug this: [ 52.287113][ T80] [ 52.287117][ T80] Chain exists of: [ 52.287117][ T80] console_owner --> &p->pi_lock --> &rq->__lock [ 52.287117][ T80] [ 52.287131][ T80] Possible unsafe locking scenario: [ 52.287131][ T80] [ 52.287133][ T80] CPU0 CPU1 [ 52.287136][ T80] ---- ---- [ 52.287138][ T80] lock(&rq->__lock); [ 52.287144][ T80] lock(&p->pi_lock); [ 52.287151][ T80] lock(&rq->__lock); [ 52.287157][ T80] lock(console_owner); [ 52.287163][ T80] [ 52.287163][ T80] *** DEADLOCK *** [ 52.287163][ T80] [ 52.287165][ T80] 4 locks held by kworker/1:1/80: [ 52.287171][ T80] #0: ffffffff8eb3c860 (rcu_read_lock){....}-{1:3}, at: sched_balance_newidle+0x2c0/0xfd0 [ 52.287200][ T80] #1: ffff8880b873e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 52.287227][ T80] #2: ffffffff8ea17de0 (console_lock){+.+.}-{0:0}, at: _printk+0xd5/0x120 [ 52.287250][ T80] #3: ffffffff8ea179f0 (console_srcu){....}-{0:0}, at: console_flush_all+0x1a3/0xeb0 [ 52.287275][ T80] [ 52.287275][ T80] stack backtrace: [ 52.287287][ T80] CPU: 1 UID: 0 PID: 80 Comm: kworker/1:1 Not tainted 6.12.0-syzkaller-05491-g5d066766c5f1 #0 [ 52.287301][ T80] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 52.287308][ T80] Workqueue: 0x0 (mm_percpu_wq) [ 52.287333][ T80] Call Trace: [ 52.287337][ T80] [ 52.287342][ T80] dump_stack_lvl+0x241/0x360 [ 52.287355][ T80] ? __pfx_dump_stack_lvl+0x10/0x10 [ 52.287367][ T80] ? __pfx__printk+0x10/0x10 [ 52.287379][ T80] print_circular_bug+0x13a/0x1b0 [ 52.287392][ T80] check_noncircular+0x36a/0x4a0 [ 52.287404][ T80] ? __pfx_check_noncircular+0x10/0x10 [ 52.287416][ T80] ? lockdep_lock+0x123/0x2b0 [ 52.287431][ T80] ? add_lock_to_list+0x1e8/0x2f0 [ 52.287444][ T80] validate_chain+0x18ef/0x5920 [ 52.287460][ T80] ? __pfx_validate_chain+0x10/0x10 [ 52.287471][ T80] ? sprintf+0xda/0x120 [ 52.287485][ T80] ? vsnprintf+0x1cc3/0x1da0 [ 52.287497][ T80] ? __pfx_sprintf+0x10/0x10 [ 52.287513][ T80] ? __pfx_info_print_prefix+0x10/0x10 [ 52.287523][ T80] ? mark_lock+0x9a/0x360 [ 52.287534][ T80] __lock_acquire+0x1397/0x2100 [ 52.287550][ T80] lock_acquire+0x1ed/0x550 [ 52.287560][ T80] ? console_flush_all+0x1a3/0xeb0 [ 52.287579][ T80] ? __pfx_lock_acquire+0x10/0x10 [ 52.287588][ T80] ? __pfx_lock_release+0x10/0x10 [ 52.287597][ T80] ? do_raw_spin_lock+0x14f/0x370 [ 52.287612][ T80] ? do_raw_spin_unlock+0x13c/0x8b0 [ 52.287625][ T80] ? console_flush_all+0x511/0xeb0 [ 52.287638][ T80] ? console_flush_all+0x1a3/0xeb0 [ 52.287651][ T80] console_flush_all+0x7f8/0xeb0 [ 52.287664][ T80] ? console_flush_all+0x1a3/0xeb0 [ 52.287678][ T80] ? console_flush_all+0x1a3/0xeb0 [ 52.287692][ T80] ? __pfx_console_flush_all+0x10/0x10 [ 52.287705][ T80] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 52.287717][ T80] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 52.287730][ T80] ? this_cpu_in_panic+0x4f/0x80 [ 52.287741][ T80] ? is_printk_legacy_deferred+0x43/0x50 [ 52.287750][ T80] ? printk_get_console_flush_type+0x1fe/0x4f0 [ 52.287764][ T80] console_unlock+0x14f/0x3b0 [ 52.287776][ T80] ? __pfx_console_unlock+0x10/0x10 [ 52.287789][ T80] ? this_cpu_in_panic+0x4f/0x80 [ 52.287800][ T80] ? is_printk_legacy_deferred+0x43/0x50 [ 52.287809][ T80] ? printk_get_console_flush_type+0x1fe/0x4f0 [ 52.287822][ T80] vprintk_emit+0x730/0xa10 [ 52.287835][ T80] ? __pfx_vprintk_emit+0x10/0x10 [ 52.287850][ T80] _printk+0xd5/0x120 [ 52.287860][ T80] ? report_bug+0x25e/0x500 [ 52.287869][ T80] ? __pfx__printk+0x10/0x10 [ 52.287880][ T80] ? rcu_read_lock_sched_held+0x8d/0x130 [ 52.287892][ T80] ? __pfx_rcu_read_lock_sched_held+0x10/0x10 [ 52.287905][ T80] ? find_bug+0xa3/0x390 [ 52.287913][ T80] ? enqueue_dl_entity+0x1630/0x1d60 [ 52.287926][ T80] report_bug+0x346/0x500 [ 52.287935][ T80] ? enqueue_dl_entity+0x1630/0x1d60 [ 52.287948][ T80] handle_bug+0x60/0x90 [ 52.287960][ T80] exc_invalid_op+0x1a/0x50 [ 52.287971][ T80] asm_exc_invalid_op+0x1a/0x20 [ 52.287984][ T80] RIP: 0010:enqueue_dl_entity+0x1630/0x1d60 [ 52.287997][ T80] Code: df 0f b6 04 08 84 c0 0f 85 cf 02 00 00 8b 75 00 48 89 df 4c 89 ea 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 1f ff ff 90 <0f> 0b 90 e9 09 ea ff ff 90 0f 0b 90 e9 c4 fb ff ff 90 0f 0b 90 e9 [ 52.288005][ T80] RSP: 0018:ffffc9000238f130 EFLAGS: 00010017 [ 52.288013][ T80] RAX: dffffc0000000000 RBX: ffff8880b873f2c0 RCX: 1ffff110170e7e55 [ 52.288021][ T80] RDX: ffffffff816898a0 RSI: 0000000000000001 RDI: ffff8880b873f2a8 [ 52.288028][ T80] RBP: 0000000000000001 R08: ffff88801e293ca7 R09: 0000000000000000 [ 52.288034][ T80] R10: ffff88801e293c90 R11: ffffed1003c52795 R12: ffff8880b873f2a8 [ 52.288041][ T80] R13: ffff8880b873f2a8 R14: ffff8880b873f2fc R15: ffff8880b873f380 [ 52.288050][ T80] ? __pfx_min_vruntime_cb_rotate+0x10/0x10 [ 52.288065][ T80] dl_server_start+0xc9/0x240 [ 52.288077][ T80] enqueue_task_fair+0xb5c/0xea0 [ 52.288087][ T80] ? __pfx_sched_mm_cid_migrate_to+0x10/0x10 [ 52.288101][ T80] ? update_irq_load_avg+0xc4/0xf70 [ 52.288112][ T80] enqueue_task+0x72/0x330 [ 52.288126][ T80] activate_task+0x61/0xc0 [ 52.288139][ T80] attach_task+0xee/0x190 [ 52.288151][ T80] sched_balance_rq+0x664a/0x8620 [ 52.288175][ T80] ? __pfx_sched_balance_rq+0x10/0x10 [ 52.288190][ T80] ? __lock_acquire+0x1397/0x2100 [ 52.288204][ T80] ? __pfx_lock_acquire+0x10/0x10 [ 52.288215][ T80] ? __pfx_sched_clock_cpu+0x10/0x10 [ 52.288229][ T80] sched_balance_newidle+0x6ba/0xfd0 [ 52.288244][ T80] ? sched_balance_newidle+0x2c0/0xfd0 [ 52.288260][ T80] ? __pfx_sched_balance_newidle+0x10/0x10 [ 52.288274][ T80] ? dl_server_stop+0x4c/0x90 [ 52.288285][ T80] ? dequeue_entities+0xc07/0xfb0 [ 52.288297][ T80] pick_next_task_fair+0x40/0xc90 [ 52.288313][ T80] __pick_next_task+0xdd/0x400 [ 52.288324][ T80] __schedule+0x776/0x4c30 [ 52.288340][ T80] ? __pfx___schedule+0x10/0x10 [ 52.288352][ T80] ? schedule+0x90/0x320 [ 52.288364][ T80] ? __pfx_lock_release+0x10/0x10 [ 52.288373][ T80] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 52.288383][ T80] ? schedule+0x90/0x320 [ 52.288395][ T80] ? wq_worker_sleeping+0x66/0x240 [ 52.288410][ T80] ? schedule+0x90/0x320 [ 52.288421][ T80] schedule+0x14b/0x320 [ 52.288432][ T80] worker_thread+0xa30/0xd30 [ 52.288448][ T80] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 52.288460][ T80] ? __kthread_parkme+0x169/0x1d0 [ 52.288475][ T80] ? __pfx_worker_thread+0x10/0x10 [ 52.288489][ T80] kthread+0x2f0/0x390 [ 52.288499][ T80] ? __pfx_worker_thread+0x10/0x10 [ 52.288513][ T80] ? __pfx_kthread+0x10/0x10 [ 52.288522][ T80] ret_from_fork+0x4b/0x80 [ 52.288531][ T80] ? __pfx_kthread+0x10/0x10 [ 52.288540][ T80] ret_from_fork_asm+0x1a/0x30 [ 52.288560][ T80] [ 53.639052][ T80] WARNING: CPU: 1 PID: 80 at kernel/sched/deadline.c:1995 enqueue_dl_entity+0x1630/0x1d60 [ 53.648937][ T80] Modules linked in: [ 53.652816][ T80] CPU: 1 UID: 0 PID: 80 Comm: kworker/1:1 Not tainted 6.12.0-syzkaller-05491-g5d066766c5f1 #0 [ 53.663028][ T80] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 53.673078][ T80] Workqueue: 0x0 (mm_percpu_wq) [ 53.678006][ T80] RIP: 0010:enqueue_dl_entity+0x1630/0x1d60 [ 53.683881][ T80] Code: df 0f b6 04 08 84 c0 0f 85 cf 02 00 00 8b 75 00 48 89 df 4c 89 ea 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 1f ff ff 90 <0f> 0b 90 e9 09 ea ff ff 90 0f 0b 90 e9 c4 fb ff ff 90 0f 0b 90 e9 [ 53.703466][ T80] RSP: 0018:ffffc9000238f130 EFLAGS: 00010017 [ 53.709509][ T80] RAX: dffffc0000000000 RBX: ffff8880b873f2c0 RCX: 1ffff110170e7e55 [ 53.717456][ T80] RDX: ffffffff816898a0 RSI: 0000000000000001 RDI: ffff8880b873f2a8 [ 53.725404][ T80] RBP: 0000000000000001 R08: ffff88801e293ca7 R09: 0000000000000000 [ 53.733358][ T80] R10: ffff88801e293c90 R11: ffffed1003c52795 R12: ffff8880b873f2a8 [ 53.741305][ T80] R13: ffff8880b873f2a8 R14: ffff8880b873f2fc R15: ffff8880b873f380 [ 53.749257][ T80] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 53.758167][ T80] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.764740][ T80] CR2: 00007ffc75b8fff8 CR3: 000000000e938000 CR4: 00000000003526f0 [ 53.772690][ T80] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.780638][ T80] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.788585][ T80] Call Trace: [ 53.791846][ T80] [ 53.794757][ T80] ? __warn+0x168/0x4e0 [ 53.798893][ T80] ? enqueue_dl_entity+0x1630/0x1d60 [ 53.804156][ T80] ? report_bug+0x2b3/0x500 [ 53.808633][ T80] ? enqueue_dl_entity+0x1630/0x1d60 [ 53.813894][ T80] ? handle_bug+0x60/0x90 [ 53.818204][ T80] ? exc_invalid_op+0x1a/0x50 [ 53.822861][ T80] ? asm_exc_invalid_op+0x1a/0x20 [ 53.827890][ T80] ? __pfx_min_vruntime_cb_rotate+0x10/0x10 [ 53.833759][ T80] ? enqueue_dl_entity+0x1630/0x1d60 [ 53.839026][ T80] dl_server_start+0xc9/0x240 [ 53.843682][ T80] enqueue_task_fair+0xb5c/0xea0 [ 53.848597][ T80] ? __pfx_sched_mm_cid_migrate_to+0x10/0x10 [ 53.854557][ T80] ? update_irq_load_avg+0xc4/0xf70 [ 53.859730][ T80] enqueue_task+0x72/0x330 [ 53.864132][ T80] activate_task+0x61/0xc0 [ 53.868531][ T80] attach_task+0xee/0x190 [ 53.872839][ T80] sched_balance_rq+0x664a/0x8620 [ 53.877855][ T80] ? __pfx_sched_balance_rq+0x10/0x10 [ 53.883209][ T80] ? __lock_acquire+0x1397/0x2100 [ 53.888214][ T80] ? __pfx_lock_acquire+0x10/0x10 [ 53.893231][ T80] ? __pfx_sched_clock_cpu+0x10/0x10 [ 53.898498][ T80] sched_balance_newidle+0x6ba/0xfd0 [ 53.903763][ T80] ? sched_balance_newidle+0x2c0/0xfd0 [ 53.909202][ T80] ? __pfx_sched_balance_newidle+0x10/0x10 [ 53.914987][ T80] ? dl_server_stop+0x4c/0x90 [ 53.919642][ T80] ? dequeue_entities+0xc07/0xfb0 [ 53.924641][ T80] pick_next_task_fair+0x40/0xc90 [ 53.929647][ T80] __pick_next_task+0xdd/0x400 [ 53.934386][ T80] __schedule+0x776/0x4c30 [ 53.938799][ T80] ? __pfx___schedule+0x10/0x10 [ 53.943626][ T80] ? schedule+0x90/0x320 [ 53.947846][ T80] ? __pfx_lock_release+0x10/0x10 [ 53.952950][ T80] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 53.958917][ T80] ? schedule+0x90/0x320 [ 53.963146][ T80] ? wq_worker_sleeping+0x66/0x240 [ 53.968252][ T80] ? schedule+0x90/0x320 [ 53.972482][ T80] schedule+0x14b/0x320 [ 53.976621][ T80] worker_thread+0xa30/0xd30 [ 53.981198][ T80] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 53.987074][ T80] ? __kthread_parkme+0x169/0x1d0 [ 53.992087][ T80] ? __pfx_worker_thread+0x10/0x10 [ 53.997190][ T80] kthread+0x2f0/0x390 [ 54.001244][ T80] ? __pfx_worker_thread+0x10/0x10 [ 54.006342][ T80] ? __pfx_kthread+0x10/0x10 [ 54.010912][ T80] ret_from_fork+0x4b/0x80 [ 54.015323][ T80] ? __pfx_kthread+0x10/0x10 [ 54.019905][ T80] ret_from_fork_asm+0x1a/0x30 [ 54.024659][ T80] [ 54.027674][ T80] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 54.034956][ T80] CPU: 1 UID: 0 PID: 80 Comm: kworker/1:1 Not tainted 6.12.0-syzkaller-05491-g5d066766c5f1 #0 [ 54.045172][ T80] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.055220][ T80] Workqueue: 0x0 (mm_percpu_wq) [ 54.060153][ T80] Call Trace: [ 54.063411][ T80] [ 54.066328][ T80] dump_stack_lvl+0x241/0x360 [ 54.070989][ T80] ? __pfx_dump_stack_lvl+0x10/0x10 [ 54.076173][ T80] ? __pfx__printk+0x10/0x10 [ 54.080753][ T80] ? _printk+0xd5/0x120 [ 54.084901][ T80] ? __init_begin+0x41000/0x41000 [ 54.089907][ T80] ? vscnprintf+0x5d/0x90 [ 54.094219][ T80] panic+0x349/0x880 [ 54.098096][ T80] ? __warn+0x177/0x4e0 [ 54.102256][ T80] ? __pfx_panic+0x10/0x10 [ 54.106656][ T80] ? show_trace_log_lvl+0x3b2/0x410 [ 54.111852][ T80] ? ret_from_fork_asm+0x1a/0x30 [ 54.116776][ T80] __warn+0x34b/0x4e0 [ 54.120736][ T80] ? enqueue_dl_entity+0x1630/0x1d60 [ 54.126023][ T80] report_bug+0x2b3/0x500 [ 54.130345][ T80] ? enqueue_dl_entity+0x1630/0x1d60 [ 54.135621][ T80] handle_bug+0x60/0x90 [ 54.139773][ T80] exc_invalid_op+0x1a/0x50 [ 54.144265][ T80] asm_exc_invalid_op+0x1a/0x20 [ 54.149104][ T80] RIP: 0010:enqueue_dl_entity+0x1630/0x1d60 [ 54.154982][ T80] Code: df 0f b6 04 08 84 c0 0f 85 cf 02 00 00 8b 75 00 48 89 df 4c 89 ea 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 1f ff ff 90 <0f> 0b 90 e9 09 ea ff ff 90 0f 0b 90 e9 c4 fb ff ff 90 0f 0b 90 e9 [ 54.174583][ T80] RSP: 0018:ffffc9000238f130 EFLAGS: 00010017 [ 54.180634][ T80] RAX: dffffc0000000000 RBX: ffff8880b873f2c0 RCX: 1ffff110170e7e55 [ 54.188599][ T80] RDX: ffffffff816898a0 RSI: 0000000000000001 RDI: ffff8880b873f2a8 [ 54.196554][ T80] RBP: 0000000000000001 R08: ffff88801e293ca7 R09: 0000000000000000 [ 54.204505][ T80] R10: ffff88801e293c90 R11: ffffed1003c52795 R12: ffff8880b873f2a8 [ 54.212464][ T80] R13: ffff8880b873f2a8 R14: ffff8880b873f2fc R15: ffff8880b873f380 [ 54.220451][ T80] ? __pfx_min_vruntime_cb_rotate+0x10/0x10 [ 54.226349][ T80] dl_server_start+0xc9/0x240 [ 54.231019][ T80] enqueue_task_fair+0xb5c/0xea0 [ 54.235995][ T80] ? __pfx_sched_mm_cid_migrate_to+0x10/0x10 [ 54.241992][ T80] ? update_irq_load_avg+0xc4/0xf70 [ 54.247182][ T80] enqueue_task+0x72/0x330 [ 54.251587][ T80] activate_task+0x61/0xc0 [ 54.256002][ T80] attach_task+0xee/0x190 [ 54.260319][ T80] sched_balance_rq+0x664a/0x8620 [ 54.265338][ T80] ? __pfx_sched_balance_rq+0x10/0x10 [ 54.270695][ T80] ? __lock_acquire+0x1397/0x2100 [ 54.275704][ T80] ? __pfx_lock_acquire+0x10/0x10 [ 54.280710][ T80] ? __pfx_sched_clock_cpu+0x10/0x10 [ 54.285980][ T80] sched_balance_newidle+0x6ba/0xfd0 [ 54.291255][ T80] ? sched_balance_newidle+0x2c0/0xfd0 [ 54.296697][ T80] ? __pfx_sched_balance_newidle+0x10/0x10 [ 54.302490][ T80] ? dl_server_stop+0x4c/0x90 [ 54.307151][ T80] ? dequeue_entities+0xc07/0xfb0 [ 54.312152][ T80] pick_next_task_fair+0x40/0xc90 [ 54.317158][ T80] __pick_next_task+0xdd/0x400 [ 54.321898][ T80] __schedule+0x776/0x4c30 [ 54.326301][ T80] ? __pfx___schedule+0x10/0x10 [ 54.331144][ T80] ? schedule+0x90/0x320 [ 54.335369][ T80] ? __pfx_lock_release+0x10/0x10 [ 54.340372][ T80] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 54.346328][ T80] ? schedule+0x90/0x320 [ 54.350549][ T80] ? wq_worker_sleeping+0x66/0x240 [ 54.355644][ T80] ? schedule+0x90/0x320 [ 54.359864][ T80] schedule+0x14b/0x320 [ 54.363998][ T80] worker_thread+0xa30/0xd30 [ 54.368571][ T80] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 54.374447][ T80] ? __kthread_parkme+0x169/0x1d0 [ 54.379455][ T80] ? __pfx_worker_thread+0x10/0x10 [ 54.384548][ T80] kthread+0x2f0/0x390 [ 54.388595][ T80] ? __pfx_worker_thread+0x10/0x10 [ 54.393690][ T80] ? __pfx_kthread+0x10/0x10 [ 54.398260][ T80] ret_from_fork+0x4b/0x80 [ 54.402653][ T80] ? __pfx_kthread+0x10/0x10 [ 54.407221][ T80] ret_from_fork_asm+0x1a/0x30 [ 54.411967][ T80] [ 54.415242][ T80] Kernel Offset: disabled [ 54.419555][ T80] Rebooting in 86400 seconds..