Warning: Permanently added '10.128.1.178' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 67.589993][ C1] ------------[ cut here ]------------ [ 67.590522][ C1] [ 67.590528][ C1] ====================================================== [ 67.590532][ C1] WARNING: possible circular locking dependency detected [ 67.590537][ C1] 5.15.173-syzkaller #0 Not tainted [ 67.590545][ C1] ------------------------------------------------------ [ 67.590550][ C1] swapper/1/0 is trying to acquire lock: [ 67.590557][ C1] ffffffff8cb147e0 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x2c/0x60 [ 67.590619][ C1] [ 67.590619][ C1] but task is already holding lock: [ 67.590623][ C1] ffff8880b8f28098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 [ 67.590662][ C1] [ 67.590662][ C1] which lock already depends on the new lock. [ 67.590662][ C1] [ 67.590666][ C1] [ 67.590666][ C1] the existing dependency chain (in reverse order) is: [ 67.590671][ C1] [ 67.590671][ C1] -> #5 (&base->lock){-.-.}-{2:2}: [ 67.590689][ C1] lock_acquire+0x1db/0x4f0 [ 67.590702][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 67.590722][ C1] lock_timer_base+0x120/0x260 [ 67.590736][ C1] __mod_timer+0x1d6/0xeb0 [ 67.590750][ C1] queue_delayed_work_on+0x156/0x250 [ 67.590762][ C1] enqueue_task+0x2fe/0x3a0 [ 67.590775][ C1] wake_up_new_task+0x515/0xb60 [ 67.590787][ C1] kernel_clone+0x44e/0x960 [ 67.590797][ C1] kernel_thread+0x168/0x1e0 [ 67.590808][ C1] rest_init+0x21/0x330 [ 67.590819][ C1] start_kernel+0x48c/0x540 [ 67.590831][ C1] secondary_startup_64_no_verify+0xb1/0xbb [ 67.590861][ C1] [ 67.590861][ C1] -> #4 (&rq->__lock){-.-.}-{2:2}: [ 67.590877][ C1] lock_acquire+0x1db/0x4f0 [ 67.590887][ C1] _raw_spin_lock_nested+0x2d/0x40 [ 67.590899][ C1] raw_spin_rq_lock_nested+0x26/0x140 [ 67.590911][ C1] task_fork_fair+0x5d/0x350 [ 67.590923][ C1] sched_cgroup_fork+0x2d3/0x330 [ 67.590935][ C1] copy_process+0x224a/0x3ef0 [ 67.590945][ C1] kernel_clone+0x210/0x960 [ 67.590955][ C1] kernel_thread+0x168/0x1e0 [ 67.590965][ C1] rest_init+0x21/0x330 [ 67.590975][ C1] start_kernel+0x48c/0x540 [ 67.590986][ C1] secondary_startup_64_no_verify+0xb1/0xbb [ 67.590998][ C1] [ 67.590998][ C1] -> #3 (&p->pi_lock){-.-.}-{2:2}: [ 67.591012][ C1] lock_acquire+0x1db/0x4f0 [ 67.591022][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 67.591033][ C1] try_to_wake_up+0xae/0x1300 [ 67.591049][ C1] __wake_up_common+0x2a0/0x4e0 [ 67.591062][ C1] __wake_up+0x112/0x1c0 [ 67.591074][ C1] tty_port_default_wakeup+0xa8/0x100 [ 67.591086][ C1] serial8250_tx_chars+0x60d/0x800 [ 67.591099][ C1] serial8250_handle_irq+0x505/0x600 [ 67.591111][ C1] serial8250_default_handle_irq+0xc8/0x1e0 [ 67.591124][ C1] serial8250_interrupt+0xa1/0x1e0 [ 67.591135][ C1] __handle_irq_event_percpu+0x292/0xa70 [ 67.591147][ C1] handle_irq_event+0xff/0x2b0 [ 67.591159][ C1] handle_edge_irq+0x245/0xbf0 [ 67.591168][ C1] __common_interrupt+0xd7/0x1f0 [ 67.591180][ C1] common_interrupt+0xae/0xd0 [ 67.591190][ C1] asm_common_interrupt+0x22/0x40 [ 67.591203][ C1] mark_page_accessed+0xd0/0x1330 [ 67.591216][ C1] unmap_page_range+0xe4f/0x2630 [ 67.591228][ C1] unmap_vmas+0x1f8/0x390 [ 67.591238][ C1] exit_mmap+0x3b6/0x670 [ 67.591248][ C1] __mmput+0x112/0x3b0 [ 67.591257][ C1] exec_mmap+0x543/0x630 [ 67.591269][ C1] begin_new_exec+0x82b/0x11b0 [ 67.591280][ C1] load_elf_binary+0x945/0x2750 [ 67.591292][ C1] bprm_execve+0x8fd/0x17c0 [ 67.591303][ C1] do_execveat_common+0x583/0x720 [ 67.591314][ C1] __x64_sys_execve+0x8e/0xa0 [ 67.591325][ C1] do_syscall_64+0x3b/0xb0 [ 67.591335][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.591348][ C1] [ 67.591348][ C1] -> #2 (&tty->write_wait){-.-.}-{2:2}: [ 67.591363][ C1] lock_acquire+0x1db/0x4f0 [ 67.591373][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 67.591385][ C1] __wake_up+0xf5/0x1c0 [ 67.591396][ C1] tty_port_default_wakeup+0xa8/0x100 [ 67.591407][ C1] serial8250_tx_chars+0x60d/0x800 [ 67.591419][ C1] serial8250_handle_irq+0x505/0x600 [ 67.591430][ C1] serial8250_default_handle_irq+0xc8/0x1e0 [ 67.591443][ C1] serial8250_interrupt+0xa1/0x1e0 [ 67.591454][ C1] __handle_irq_event_percpu+0x292/0xa70 [ 67.591466][ C1] handle_irq_event+0xff/0x2b0 [ 67.591477][ C1] handle_edge_irq+0x245/0xbf0 [ 67.591487][ C1] __common_interrupt+0xd7/0x1f0 [ 67.591497][ C1] common_interrupt+0xae/0xd0 [ 67.591507][ C1] asm_common_interrupt+0x22/0x40 [ 67.591519][ C1] _raw_spin_unlock_irqrestore+0xd4/0x130 [ 67.591531][ C1] uart_write+0x6af/0x930 [ 67.591541][ C1] n_tty_write+0xd7e/0x1280 [ 67.591554][ C1] file_tty_write+0x561/0x920 [ 67.591565][ C1] vfs_write+0xacd/0xe50 [ 67.591576][ C1] ksys_write+0x1a2/0x2c0 [ 67.591587][ C1] do_syscall_64+0x3b/0xb0 [ 67.591597][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.591610][ C1] [ 67.591610][ C1] -> #1 (&port_lock_key){-.-.}-{2:2}: [ 67.591624][ C1] lock_acquire+0x1db/0x4f0 [ 67.591634][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 67.591645][ C1] serial8250_console_write+0x19d/0x1180 [ 67.591658][ C1] console_unlock+0xced/0x12b0 [ 67.591668][ C1] vprintk_emit+0xbf/0x150 [ 67.591678][ C1] _printk+0xd1/0x120 [ 67.591689][ C1] register_console+0x65a/0x940 [ 67.591699][ C1] univ8250_console_init+0x41/0x50 [ 67.591711][ C1] console_init+0x18c/0x660 [ 67.591720][ C1] start_kernel+0x301/0x540 [ 67.591730][ C1] secondary_startup_64_no_verify+0xb1/0xbb [ 67.591743][ C1] [ 67.591743][ C1] -> #0 (console_owner){..-.}-{0:0}: [ 67.591757][ C1] validate_chain+0x1649/0x5930 [ 67.591768][ C1] __lock_acquire+0x1295/0x1ff0 [ 67.591777][ C1] lock_acquire+0x1db/0x4f0 [ 67.591787][ C1] console_lock_spinning_enable+0x51/0x60 [ 67.591798][ C1] console_unlock+0xa47/0x12b0 [ 67.591808][ C1] vprintk_emit+0xbf/0x150 [ 67.591818][ C1] _printk+0xd1/0x120 [ 67.591828][ C1] report_bug+0x1e5/0x2e0 [ 67.591839][ C1] handle_bug+0x3d/0x70 [ 67.591854][ C1] exc_invalid_op+0x16/0x40 [ 67.591864][ C1] asm_exc_invalid_op+0x16/0x20 [ 67.591876][ C1] copy_from_user_nofault+0x15c/0x1c0 [ 67.591886][ C1] bpf_probe_read_compat+0xe4/0x180 [ 67.591898][ C1] bpf_prog_2dbf287f85779254+0x3d/0x634 [ 67.591908][ C1] bpf_trace_run3+0x1d1/0x380 [ 67.591918][ C1] enqueue_timer+0x3ae/0x540 [ 67.591928][ C1] __mod_timer+0xa60/0xeb0 [ 67.591939][ C1] lapb_t1timer_expiry+0x779/0xae0 [ 67.591951][ C1] call_timer_fn+0x16d/0x560 [ 67.591960][ C1] __run_timers+0x67c/0x890 [ 67.591970][ C1] run_timer_softirq+0x63/0xf0 [ 67.591982][ C1] handle_softirqs+0x3a7/0x930 [ 67.591992][ C1] __irq_exit_rcu+0x157/0x240 [ 67.592002][ C1] irq_exit_rcu+0x5/0x20 [ 67.592011][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 67.592023][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 67.592036][ C1] acpi_idle_do_entry+0x10f/0x340 [ 67.592048][ C1] acpi_idle_enter+0x352/0x4f0 [ 67.592059][ C1] cpuidle_enter_state+0x521/0xef0 [ 67.592072][ C1] cpuidle_enter+0x59/0x90 [ 67.592083][ C1] do_idle+0x3e4/0x670 [ 67.592095][ C1] cpu_startup_entry+0x14/0x20 [ 67.592108][ C1] start_secondary+0x371/0x500 [ 67.592121][ C1] secondary_startup_64_no_verify+0xb1/0xbb [ 67.592133][ C1] [ 67.592133][ C1] other info that might help us debug this: [ 67.592133][ C1] [ 67.592136][ C1] Chain exists of: [ 67.592136][ C1] console_owner --> &rq->__lock --> &base->lock [ 67.592136][ C1] [ 67.592153][ C1] Possible unsafe locking scenario: [ 67.592153][ C1] [ 67.592156][ C1] CPU0 CPU1 [ 67.592159][ C1] ---- ---- [ 67.592161][ C1] lock(&base->lock); [ 67.592168][ C1] lock(&rq->__lock); [ 67.592175][ C1] lock(&base->lock); [ 67.592182][ C1] lock(console_owner); [ 67.592189][ C1] [ 67.592189][ C1] *** DEADLOCK *** [ 67.592189][ C1] [ 67.592191][ C1] 5 locks held by swapper/1/0: [ 67.592198][ C1] #0: ffffc90000dd0be0 ((&lapb->t1timer)){+.-.}-{0:0}, at: call_timer_fn+0xbe/0x560 [ 67.592225][ C1] #1: ffff88801f30c1c0 (&lapb->lock){+.-.}-{2:2}, at: lapb_t1timer_expiry+0x2f/0xae0 [ 67.592252][ C1] #2: ffff8880b8f28098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 [ 67.592281][ C1] #3: ffffffff8cb1fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 67.592308][ C1] #4: ffffffff8c9fc520 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0xa6/0x150 [ 67.592334][ C1] [ 67.592334][ C1] stack backtrace: [ 67.592345][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.173-syzkaller #0 [ 67.592358][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 67.592367][ C1] Call Trace: [ 67.592371][ C1] [ 67.592376][ C1] dump_stack_lvl+0x1e3/0x2d0 [ 67.592392][ C1] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 67.592409][ C1] ? print_circular_bug+0x12b/0x1a0 [ 67.592422][ C1] check_noncircular+0x2f8/0x3b0 [ 67.592436][ C1] ? add_chain_block+0x850/0x850 [ 67.592447][ C1] ? lockdep_lock+0x11f/0x2a0 [ 67.592462][ C1] validate_chain+0x1649/0x5930 [ 67.592481][ C1] ? reacquire_held_locks+0x660/0x660 [ 67.592494][ C1] ? format_decode+0x72f/0x1f10 [ 67.592510][ C1] ? lockdep_unlock+0x166/0x300 [ 67.592524][ C1] ? mark_lock+0x98/0x340 [ 67.592535][ C1] __lock_acquire+0x1295/0x1ff0 [ 67.592551][ C1] lock_acquire+0x1db/0x4f0 [ 67.592561][ C1] ? console_lock_spinning_enable+0x2c/0x60 [ 67.592576][ C1] ? read_lock_is_recursive+0x10/0x10 [ 67.592587][ C1] ? console_lock_spinning_enable+0x2c/0x60 [ 67.592600][ C1] ? __lock_acquire+0x1ff0/0x1ff0 [ 67.592610][ C1] ? do_raw_spin_lock+0x14a/0x370 [ 67.592627][ C1] console_lock_spinning_enable+0x51/0x60 [ 67.592639][ C1] ? console_lock_spinning_enable+0x2c/0x60 [ 67.592651][ C1] console_unlock+0xa47/0x12b0 [ 67.592666][ C1] ? console_trylock_spinning+0x3f0/0x3f0 [ 67.592679][ C1] ? __down_trylock_console_sem+0x1f2/0x250 [ 67.592691][ C1] ? vprintk_emit+0xa6/0x150 [ 67.592702][ C1] ? printk_parse_prefix+0x2c0/0x2c0 [ 67.592713][ C1] ? vprintk_emit+0xa6/0x150 [ 67.592724][ C1] ? console_trylock+0x70/0x70 [ 67.592739][ C1] ? vprintk_emit+0x150/0x150 [ 67.592750][ C1] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 67.592766][ C1] vprintk_emit+0xbf/0x150 [ 67.592778][ C1] _printk+0xd1/0x120 [ 67.592790][ C1] ? mark_lock+0x98/0x340 [ 67.592801][ C1] ? report_bug+0x16e/0x2e0 [ 67.592813][ C1] ? panic+0x860/0x860 [ 67.592824][ C1] ? __lock_acquire+0x1295/0x1ff0 [ 67.592837][ C1] ? find_bug+0x9c/0x350 [ 67.592854][ C1] ? copy_from_user_nofault+0x15c/0x1c0 [ 67.592865][ C1] report_bug+0x1e5/0x2e0 [ 67.592879][ C1] handle_bug+0x3d/0x70 [ 67.592890][ C1] exc_invalid_op+0x16/0x40 [ 67.592901][ C1] asm_exc_invalid_op+0x16/0x20 [ 67.592913][ C1] RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 [ 67.592927][ C1] Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 cb c6 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b4 c6 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff [ 67.592937][ C1] RSP: 0018:ffffc90000dd0830 EFLAGS: 00010046 [ 67.592947][ C1] RAX: ffffffff81aaacec RBX: 0000000000000000 RCX: ffff88813fe00000 [ 67.592956][ C1] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 67.592963][ C1] RBP: dffffc0000000000 R08: ffffffff81aaabfd R09: ffffed1027fc0001 [ 67.592972][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020a50000 [ 67.592980][ C1] R13: 0000000000000008 R14: 0000000020a50000 R15: ffffc90000dd08a8 [ 67.592990][ C1] ? copy_from_user_nofault+0x6d/0x1c0 [ 67.593001][ C1] ? copy_from_user_nofault+0x15c/0x1c0 [ 67.593016][ C1] bpf_probe_read_compat+0xe4/0x180 [ 67.593029][ C1] bpf_prog_2dbf287f85779254+0x3d/0x634 [ 67.593039][ C1] bpf_trace_run3+0x1d1/0x380 [ 67.593051][ C1] ? bpf_trace_run2+0x340/0x340 [ 67.593062][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 67.593075][ C1] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 67.593088][ C1] ? _raw_spin_lock+0x40/0x40 [ 67.593101][ C1] ? debug_object_assert_init+0x2bf/0x420 [ 67.593117][ C1] enqueue_timer+0x3ae/0x540 [ 67.593129][ C1] __mod_timer+0xa60/0xeb0 [ 67.593144][ C1] ? mod_timer_pending+0x20/0x20 [ 67.593157][ C1] ? del_timer+0x183/0x310 [ 67.593170][ C1] ? lock_timer_base+0x260/0x260 [ 67.593183][ C1] ? lapb_data_transmit+0x85/0xa0 [ 67.593195][ C1] ? lapb_transmit_buffer+0x178/0x1e0 [ 67.593208][ C1] lapb_t1timer_expiry+0x779/0xae0 [ 67.593221][ C1] call_timer_fn+0x16d/0x560 [ 67.593232][ C1] ? lapb_start_t1timer+0x100/0x100 [ 67.593243][ C1] ? __run_timers+0x890/0x890 [ 67.593255][ C1] ? do_raw_spin_unlock+0x137/0x8b0 [ 67.593268][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 67.593280][ C1] ? lapb_start_t1timer+0x100/0x100 [ 67.593291][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 67.593303][ C1] ? lapb_start_t1timer+0x100/0x100 [ 67.593315][ C1] __run_timers+0x67c/0x890 [ 67.593328][ C1] ? detach_timer+0x2f0/0x2f0 [ 67.593338][ C1] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 67.593352][ C1] ? ktime_get_real_ts64+0x460/0x460 [ 67.593365][ C1] run_timer_softirq+0x63/0xf0 [ 67.593379][ C1] handle_softirqs+0x3a7/0x930 [ 67.593391][ C1] ? __irq_exit_rcu+0x157/0x240 [ 67.593403][ C1] ? do_softirq+0x240/0x240 [ 67.593415][ C1] ? irqtime_account_irq+0xd0/0x1e0 [ 67.593429][ C1] __irq_exit_rcu+0x157/0x240 [ 67.593440][ C1] ? irq_exit_rcu+0x20/0x20 [ 67.593454][ C1] irq_exit_rcu+0x5/0x20 [ 67.593464][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 67.593477][ C1] [ 67.593480][ C1] [ 67.593484][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 67.593498][ C1] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 [ 67.593511][ C1] Code: 43 38 f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 04 be 3e f7 0f 1f 44 00 00 e8 aa 3f 38 f7 0f 00 2d 43 f5 bb 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 4b 18 82 f7 [ 67.593520][ C1] RSP: 0018:ffffc90000d67b00 EFLAGS: 000002d3 [ 67.593529][ C1] RAX: ffffffff8a4833f6 RBX: 0000000000000000 RCX: ffff88813fe00000 [ 67.593537][ C1] RDX: 0000000000000000 RSI: ffffffff8aab2a80 RDI: ffffffff8af9ed00 [ 67.593545][ C1] RBP: ffffc90000d67b90 R08: ffffffff8186f220 R09: ffffed1027fc0001 [ 67.593554][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001acf60 [ 67.593562][ C1] R13: ffff88801f370804 R14: ffffc90000d67b20 R15: dffffc0000000000 [ 67.593572][ C1] ? trace_hardirqs_on+0x30/0x80 [ 67.593586][ C1] ? acpi_idle_do_entry+0x106/0x340 [ 67.593601][ C1] ? acpi_idle_enter_bm+0x5c0/0x5c0 [ 67.593613][ C1] ? rcu_preempt_deferred_qs+0x6b/0x190 [ 67.593626][ C1] ? rcu_qs+0x190/0x190 [ 67.593638][ C1] acpi_idle_enter+0x352/0x4f0 [ 67.593652][ C1] cpuidle_enter_state+0x521/0xef0 [ 67.593667][ C1] ? cpuidle_enter_s2idle+0x6b0/0x6b0 [ 67.593682][ C1] ? menu_enable_device+0x380/0x380 [ 67.593698][ C1] cpuidle_enter+0x59/0x90 [ 67.593711][ C1] do_idle+0x3e4/0x670 [ 67.593723][ C1] ? print_irqtrace_events+0x210/0x210 [ 67.593737][ C1] ? idle_inject_timer_fn+0x60/0x60 [ 67.593750][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 67.593762][ C1] ? asm_sysvec_apic_timer_interrupt+0x10/0x20 [ 67.593778][ C1] ? schedule_idle+0x57/0x90 [ 67.593790][ C1] cpu_startup_entry+0x14/0x20 [ 67.593803][ C1] start_secondary+0x371/0x500 [ 67.593821][ C1] ? arch_scale_freq_tick+0x120/0x120 [ 67.593837][ C1] secondary_startup_64_no_verify+0xb1/0xbb [ 67.593859][ C1] [ 69.164227][ C1] WARNING: CPU: 1 PID: 0 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0 [ 69.173239][ C1] Modules linked in: [ 69.177114][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.173-syzkaller #0 [ 69.184898][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 69.194950][ C1] RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 [ 69.201104][ C1] Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 cb c6 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b4 c6 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff [ 69.220689][ C1] RSP: 0018:ffffc90000dd0830 EFLAGS: 00010046 [ 69.226733][ C1] RAX: ffffffff81aaacec RBX: 0000000000000000 RCX: ffff88813fe00000 [ 69.234684][ C1] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.242634][ C1] RBP: dffffc0000000000 R08: ffffffff81aaabfd R09: ffffed1027fc0001 [ 69.250588][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020a50000 [ 69.258540][ C1] R13: 0000000000000008 R14: 0000000020a50000 R15: ffffc90000dd08a8 [ 69.266490][ C1] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 69.275396][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.281958][ C1] CR2: 0000555557bb1ca8 CR3: 000000007dc37000 CR4: 00000000003506e0 [ 69.289913][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.297864][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.305813][ C1] Call Trace: [ 69.309074][ C1] [ 69.311898][ C1] ? __warn+0x15b/0x300 [ 69.316039][ C1] ? copy_from_user_nofault+0x15c/0x1c0 [ 69.321566][ C1] ? report_bug+0x1b7/0x2e0 [ 69.326050][ C1] ? handle_bug+0x3d/0x70 [ 69.330359][ C1] ? exc_invalid_op+0x16/0x40 [ 69.335013][ C1] ? asm_exc_invalid_op+0x16/0x20 [ 69.340019][ C1] ? copy_from_user_nofault+0x6d/0x1c0 [ 69.345457][ C1] ? copy_from_user_nofault+0x15c/0x1c0 [ 69.350990][ C1] ? copy_from_user_nofault+0x15c/0x1c0 [ 69.356519][ C1] bpf_probe_read_compat+0xe4/0x180 [ 69.361697][ C1] bpf_prog_2dbf287f85779254+0x3d/0x634 [ 69.367220][ C1] bpf_trace_run3+0x1d1/0x380 [ 69.371876][ C1] ? bpf_trace_run2+0x340/0x340 [ 69.376704][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 69.382581][ C1] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 69.388023][ C1] ? _raw_spin_lock+0x40/0x40 [ 69.392681][ C1] ? debug_object_assert_init+0x2bf/0x420 [ 69.398383][ C1] enqueue_timer+0x3ae/0x540 [ 69.402956][ C1] __mod_timer+0xa60/0xeb0 [ 69.407358][ C1] ? mod_timer_pending+0x20/0x20 [ 69.412276][ C1] ? del_timer+0x183/0x310 [ 69.416672][ C1] ? lock_timer_base+0x260/0x260 [ 69.421590][ C1] ? lapb_data_transmit+0x85/0xa0 [ 69.426593][ C1] ? lapb_transmit_buffer+0x178/0x1e0 [ 69.431947][ C1] lapb_t1timer_expiry+0x779/0xae0 [ 69.437039][ C1] call_timer_fn+0x16d/0x560 [ 69.441607][ C1] ? lapb_start_t1timer+0x100/0x100 [ 69.446794][ C1] ? __run_timers+0x890/0x890 [ 69.451448][ C1] ? do_raw_spin_unlock+0x137/0x8b0 [ 69.456626][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 69.461804][ C1] ? lapb_start_t1timer+0x100/0x100 [ 69.466986][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 69.472167][ C1] ? lapb_start_t1timer+0x100/0x100 [ 69.477343][ C1] __run_timers+0x67c/0x890 [ 69.481829][ C1] ? detach_timer+0x2f0/0x2f0 [ 69.486483][ C1] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 69.492445][ C1] ? ktime_get_real_ts64+0x460/0x460 [ 69.497713][ C1] run_timer_softirq+0x63/0xf0 [ 69.502456][ C1] handle_softirqs+0x3a7/0x930 [ 69.507203][ C1] ? __irq_exit_rcu+0x157/0x240 [ 69.512033][ C1] ? do_softirq+0x240/0x240 [ 69.516515][ C1] ? irqtime_account_irq+0xd0/0x1e0 [ 69.521713][ C1] __irq_exit_rcu+0x157/0x240 [ 69.526370][ C1] ? irq_exit_rcu+0x20/0x20 [ 69.530854][ C1] irq_exit_rcu+0x5/0x20 [ 69.535072][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 69.540703][ C1] [ 69.543616][ C1] [ 69.546525][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 69.552488][ C1] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 [ 69.558276][ C1] Code: 43 38 f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 04 be 3e f7 0f 1f 44 00 00 e8 aa 3f 38 f7 0f 00 2d 43 f5 bb 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 4b 18 82 f7 [ 69.577868][ C1] RSP: 0018:ffffc90000d67b00 EFLAGS: 000002d3 [ 69.583920][ C1] RAX: ffffffff8a4833f6 RBX: 0000000000000000 RCX: ffff88813fe00000 [ 69.591870][ C1] RDX: 0000000000000000 RSI: ffffffff8aab2a80 RDI: ffffffff8af9ed00 [ 69.599819][ C1] RBP: ffffc90000d67b90 R08: ffffffff8186f220 R09: ffffed1027fc0001 [ 69.607770][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001acf60 [ 69.615719][ C1] R13: ffff88801f370804 R14: ffffc90000d67b20 R15: dffffc0000000000 [ 69.623709][ C1] ? trace_hardirqs_on+0x30/0x80 [ 69.628631][ C1] ? acpi_idle_do_entry+0x106/0x340 [ 69.633816][ C1] ? acpi_idle_enter_bm+0x5c0/0x5c0 [ 69.639000][ C1] ? rcu_preempt_deferred_qs+0x6b/0x190 [ 69.644546][ C1] ? rcu_qs+0x190/0x190 [ 69.648693][ C1] acpi_idle_enter+0x352/0x4f0 [ 69.653460][ C1] cpuidle_enter_state+0x521/0xef0 [ 69.658563][ C1] ? cpuidle_enter_s2idle+0x6b0/0x6b0 [ 69.663920][ C1] ? menu_enable_device+0x380/0x380 [ 69.669107][ C1] cpuidle_enter+0x59/0x90 [ 69.673507][ C1] do_idle+0x3e4/0x670 [ 69.677560][ C1] ? print_irqtrace_events+0x210/0x210 [ 69.683005][ C1] ? idle_inject_timer_fn+0x60/0x60 [ 69.688187][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 69.693370][ C1] ? asm_sysvec_apic_timer_interrupt+0x10/0x20 [ 69.699509][ C1] ? schedule_idle+0x57/0x90 [ 69.704078][ C1] cpu_startup_entry+0x14/0x20 [ 69.708823][ C1] start_secondary+0x371/0x500 [ 69.713569][ C1] ? arch_scale_freq_tick+0x120/0x120 [ 69.718922][ C1] secondary_startup_64_no_verify+0xb1/0xbb [ 69.724799][ C1] [ 69.727809][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 69.735064][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.173-syzkaller #0 [ 69.742843][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 69.752877][ C1] Call Trace: [ 69.756136][ C1] [ 69.758967][ C1] dump_stack_lvl+0x1e3/0x2d0 [ 69.763632][ C1] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 69.769248][ C1] ? panic+0x860/0x860 [ 69.773337][ C1] ? copy_from_user_nofault+0x70/0x1c0 [ 69.778776][ C1] ? copy_from_user_nofault+0x70/0x1c0 [ 69.784213][ C1] panic+0x318/0x860 [ 69.788105][ C1] ? __warn+0x16a/0x300 [ 69.792263][ C1] ? fb_is_primary_device+0xd0/0xd0 [ 69.797448][ C1] ? secondary_startup_64_no_verify+0xb1/0xbb [ 69.803520][ C1] ? copy_from_user_nofault+0x15c/0x1c0 [ 69.809050][ C1] __warn+0x2b2/0x300 [ 69.813035][ C1] ? copy_from_user_nofault+0x15c/0x1c0 [ 69.818578][ C1] report_bug+0x1b7/0x2e0 [ 69.822898][ C1] handle_bug+0x3d/0x70 [ 69.827254][ C1] exc_invalid_op+0x16/0x40 [ 69.831909][ C1] asm_exc_invalid_op+0x16/0x20 [ 69.836845][ C1] RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 [ 69.842998][ C1] Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 cb c6 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b4 c6 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff [ 69.862591][ C1] RSP: 0018:ffffc90000dd0830 EFLAGS: 00010046 [ 69.868643][ C1] RAX: ffffffff81aaacec RBX: 0000000000000000 RCX: ffff88813fe00000 [ 69.876596][ C1] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.884547][ C1] RBP: dffffc0000000000 R08: ffffffff81aaabfd R09: ffffed1027fc0001 [ 69.892502][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020a50000 [ 69.900454][ C1] R13: 0000000000000008 R14: 0000000020a50000 R15: ffffc90000dd08a8 [ 69.908417][ C1] ? copy_from_user_nofault+0x6d/0x1c0 [ 69.913866][ C1] ? copy_from_user_nofault+0x15c/0x1c0 [ 69.919396][ C1] bpf_probe_read_compat+0xe4/0x180 [ 69.924579][ C1] bpf_prog_2dbf287f85779254+0x3d/0x634 [ 69.930105][ C1] bpf_trace_run3+0x1d1/0x380 [ 69.934768][ C1] ? bpf_trace_run2+0x340/0x340 [ 69.939596][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 69.945471][ C1] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 69.950910][ C1] ? _raw_spin_lock+0x40/0x40 [ 69.955566][ C1] ? debug_object_assert_init+0x2bf/0x420 [ 69.961266][ C1] enqueue_timer+0x3ae/0x540 [ 69.965843][ C1] __mod_timer+0xa60/0xeb0 [ 69.970245][ C1] ? mod_timer_pending+0x20/0x20 [ 69.975165][ C1] ? del_timer+0x183/0x310 [ 69.979564][ C1] ? lock_timer_base+0x260/0x260 [ 69.984483][ C1] ? lapb_data_transmit+0x85/0xa0 [ 69.989494][ C1] ? lapb_transmit_buffer+0x178/0x1e0 [ 69.994844][ C1] lapb_t1timer_expiry+0x779/0xae0 [ 69.999936][ C1] call_timer_fn+0x16d/0x560 [ 70.004502][ C1] ? lapb_start_t1timer+0x100/0x100 [ 70.009677][ C1] ? __run_timers+0x890/0x890 [ 70.014335][ C1] ? do_raw_spin_unlock+0x137/0x8b0 [ 70.019511][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 70.024688][ C1] ? lapb_start_t1timer+0x100/0x100 [ 70.029865][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 70.035041][ C1] ? lapb_start_t1timer+0x100/0x100 [ 70.040216][ C1] __run_timers+0x67c/0x890 [ 70.044703][ C1] ? detach_timer+0x2f0/0x2f0 [ 70.049358][ C1] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 70.055359][ C1] ? ktime_get_real_ts64+0x460/0x460 [ 70.060628][ C1] run_timer_softirq+0x63/0xf0 [ 70.065371][ C1] handle_softirqs+0x3a7/0x930 [ 70.070115][ C1] ? __irq_exit_rcu+0x157/0x240 [ 70.074948][ C1] ? do_softirq+0x240/0x240 [ 70.079429][ C1] ? irqtime_account_irq+0xd0/0x1e0 [ 70.084632][ C1] __irq_exit_rcu+0x157/0x240 [ 70.089286][ C1] ? irq_exit_rcu+0x20/0x20 [ 70.093772][ C1] irq_exit_rcu+0x5/0x20 [ 70.097993][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 70.103613][ C1] [ 70.106524][ C1] [ 70.109432][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 70.115398][ C1] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 [ 70.121270][ C1] Code: 43 38 f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 04 be 3e f7 0f 1f 44 00 00 e8 aa 3f 38 f7 0f 00 2d 43 f5 bb 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 4b 18 82 f7 [ 70.140862][ C1] RSP: 0018:ffffc90000d67b00 EFLAGS: 000002d3 [ 70.146909][ C1] RAX: ffffffff8a4833f6 RBX: 0000000000000000 RCX: ffff88813fe00000 [ 70.154863][ C1] RDX: 0000000000000000 RSI: ffffffff8aab2a80 RDI: ffffffff8af9ed00 [ 70.162815][ C1] RBP: ffffc90000d67b90 R08: ffffffff8186f220 R09: ffffed1027fc0001 [ 70.170766][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001acf60 [ 70.178721][ C1] R13: ffff88801f370804 R14: ffffc90000d67b20 R15: dffffc0000000000 [ 70.186678][ C1] ? trace_hardirqs_on+0x30/0x80 [ 70.191599][ C1] ? acpi_idle_do_entry+0x106/0x340 [ 70.196783][ C1] ? acpi_idle_enter_bm+0x5c0/0x5c0 [ 70.202134][ C1] ? rcu_preempt_deferred_qs+0x6b/0x190 [ 70.207746][ C1] ? rcu_qs+0x190/0x190 [ 70.211883][ C1] acpi_idle_enter+0x352/0x4f0 [ 70.216631][ C1] cpuidle_enter_state+0x521/0xef0 [ 70.221726][ C1] ? cpuidle_enter_s2idle+0x6b0/0x6b0 [ 70.227079][ C1] ? menu_enable_device+0x380/0x380 [ 70.232258][ C1] cpuidle_enter+0x59/0x90 [ 70.236659][ C1] do_idle+0x3e4/0x670 [ 70.240708][ C1] ? print_irqtrace_events+0x210/0x210 [ 70.246151][ C1] ? idle_inject_timer_fn+0x60/0x60 [ 70.251333][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 70.256510][ C1] ? asm_sysvec_apic_timer_interrupt+0x10/0x20 [ 70.262650][ C1] ? schedule_idle+0x57/0x90 [ 70.267230][ C1] cpu_startup_entry+0x14/0x20 [ 70.271973][ C1] start_secondary+0x371/0x500 [ 70.276725][ C1] ? arch_scale_freq_tick+0x120/0x120 [ 70.282083][ C1] secondary_startup_64_no_verify+0xb1/0xbb [ 70.287962][ C1] [ 70.291156][ C1] Kernel Offset: disabled [ 70.295485][ C1] Rebooting in 86400 seconds..