Warning: Permanently added '10.128.0.38' (ED25519) to the list of known hosts.
executing program
executing program
[ 1002.843568][ T29] INFO: task hwrng:749 blocked for more than 143 seconds.
[ 1002.850856][ T29] Not tainted 6.7.0-rc2-syzkaller #0
[ 1002.873517][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1002.882217][ T29] task:hwrng state:D stack:29040 pid:749 tgid:749 ppid:2 flags:0x00004000
[ 1002.926713][ T29] Call Trace:
[ 1002.930036][ T29] <TASK>
[ 1002.932969][ T29] __schedule+0xedb/0x5af0
[ 1002.948497][ T29] ? lockdep_hardirqs_on_prepare+0x420/0x420
[ 1002.963563][ T29] ? io_schedule_timeout+0x150/0x150
[ 1002.968879][ T29] ? schedule+0x1fc/0x270
[ 1002.973219][ T29] ? reacquire_held_locks+0x4c0/0x4c0
[ 1002.993475][ T29] ? __mutex_lock+0x5b4/0x9d0
[ 1002.998176][ T29] ? __mutex_trylock_common+0x78/0x250
[ 1003.013790][ T29] schedule+0xe9/0x270
[ 1003.017883][ T29] schedule_preempt_disabled+0x13/0x20
[ 1003.023347][ T29] __mutex_lock+0x5b9/0x9d0
[ 1003.028299][ T29] ? hwrng_fillfn+0x145/0x430
[ 1003.033000][ T29] ? mutex_trylock+0x130/0x130
[ 1003.038154][ T29] ? bit_wait_timeout+0x160/0x160
[ 1003.043198][ T29] ? _raw_spin_unlock_irqrestore+0x4e/0x70
[ 1003.049584][ T29] ? hwrng_fillfn+0x145/0x430
[ 1003.054503][ T29] hwrng_fillfn+0x145/0x430
[ 1003.059034][ T29] ? rng_dev_read+0x580/0x580
[ 1003.073833][ T29] kthread+0x2c6/0x3a0
[ 1003.077923][ T29] ? _raw_spin_unlock_irq+0x23/0x50
[ 1003.083133][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 1003.103486][ T29] ret_from_fork+0x45/0x80
[ 1003.107926][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 1003.123769][ T29] ret_from_fork_asm+0x11/0x20
[ 1003.128565][ T29] </TASK>
[ 1003.131659][ T29]
[ 1003.131659][ T29] Showing all locks held in the system:
[ 1003.153480][ T29] 1 lock held by khungtaskd/29:
[ 1003.158343][ T29] #0: ffffffff8cfabce0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340
[ 1003.183488][ T29] 2 locks held by kswapd0/86:
[ 1003.188181][ T29] 1 lock held by hwrng/749:
[ 1003.192679][ T29] #0: ffffffff8dbafee8 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0x145/0x430
[ 1003.223512][ T29] 2 locks held by getty/4824:
[ 1003.228210][ T29] #0: ffff888025fa10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[ 1003.253473][ T29] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490
[ 1003.273474][ T29] 2 locks held by syz-executor391/5105:
[ 1003.279052][ T29] 2 locks held by syz-executor391/5106:
[ 1003.293475][ T29]
[ 1003.295819][ T29] =============================================
[ 1003.295819][ T29]
[ 1003.313501][ T29] NMI backtrace for cpu 1
[ 1003.317834][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc2-syzkaller #0
[ 1003.325898][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[ 1003.335946][ T29] Call Trace:
[ 1003.339220][ T29] <TASK>
[ 1003.342144][ T29] dump_stack_lvl+0xd9/0x1b0
[ 1003.346745][ T29] nmi_cpu_backtrace+0x277/0x390
[ 1003.351686][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0
[ 1003.356890][ T29] nmi_trigger_cpumask_backtrace+0x299/0x300
[ 1003.362875][ T29] watchdog+0xf87/0x1210
[ 1003.367126][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90
[ 1003.373111][ T29] ? lockdep_hardirqs_on+0x7d/0x110
[ 1003.378318][ T29] ? __kthread_parkme+0x14b/0x220
[ 1003.383343][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90
[ 1003.389330][ T29] kthread+0x2c6/0x3a0
[ 1003.393401][ T29] ? _raw_spin_unlock_irq+0x23/0x50
[ 1003.398602][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 1003.404244][ T29] ret_from_fork+0x45/0x80
[ 1003.408663][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 1003.414300][ T29] ret_from_fork_asm+0x11/0x20
[ 1003.419079][ T29] </TASK>
[ 1003.422215][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 1003.427457][ C0] NMI backtrace for cpu 0
[ 1003.427465][ C0] CPU: 0 PID: 5105 Comm: syz-executor391 Not tainted 6.7.0-rc2-syzkaller #0
[ 1003.427479][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[ 1003.427486][ C0] RIP: 0010:__lock_acquire+0x30/0x3b10
[ 1003.427509][ C0] Code: f6 41 55 41 54 49 89 fc 55 89 d5 53 44 89 cb 48 81 ec f0 00 00 00 48 8b 84 24 28 01 00 00 48 c7 84 24 90 00 00 00 b3 8a b5 41 <44> 89 44 24 08 44 8b ac 24 48 01 00 00 48 c7 84 24 98 00 00 00 1b
[ 1003.427522][ C0] RSP: 0018:ffffc900044271d8 EFLAGS: 00000086
[ 1003.427534][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002
[ 1003.427541][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8cfabce0
[ 1003.427549][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 1003.427556][ C0] R10: ffffffff8f1934d7 R11: 0000000000000002 R12: ffffffff8cfabce0
[ 1003.427563][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 1003.427575][ C0] FS: 00007f3c785f96c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 1003.427587][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1003.427596][ C0] CR2: 00005565d7bb9be7 CR3: 000000001af30000 CR4: 0000000000350ef0
[ 1003.427604][ C0] Call Trace:
[ 1003.427609][ C0] <NMI>
[ 1003.427613][ C0] ? show_regs+0x8f/0xa0
[ 1003.427629][ C0] ? nmi_cpu_backtrace+0x1d4/0x390
[ 1003.427645][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10
[ 1003.427664][ C0] ? nmi_handle+0x1a6/0x570
[ 1003.427678][ C0] ? x86_pmu_event_mapped+0x1c0/0x1c0
[ 1003.427699][ C0] ? __lock_acquire+0x30/0x3b10
[ 1003.427717][ C0] ? default_do_nmi+0x6a/0x160
[ 1003.427735][ C0] ? exc_nmi+0x186/0x200
[ 1003.427750][ C0] ? end_repeat_nmi+0xf/0x2a
[ 1003.427765][ C0] ? __lock_acquire+0x30/0x3b10
[ 1003.427783][ C0] ? __lock_acquire+0x30/0x3b10
[ 1003.427802][ C0] ? __lock_acquire+0x30/0x3b10
[ 1003.427820][ C0] </NMI>
[ 1003.427823][ C0] <TASK>
[ 1003.427827][ C0] ? __zone_watermark_ok+0x4c0/0x4c0
[ 1003.427847][ C0] ? __should_fail_alloc_page+0x115/0x130
[ 1003.427863][ C0] ? prepare_alloc_pages.constprop.0+0x16f/0x550
[ 1003.427881][ C0] ? print_usage_bug.part.0+0x550/0x550
[ 1003.427901][ C0] ? __alloc_pages+0x43d/0x2420
[ 1003.427918][ C0] ? hlock_class+0x4e/0x130
[ 1003.427935][ C0] lock_acquire+0x1ae/0x520
[ 1003.427954][ C0] ? get_mem_cgroup_from_mm+0x3a/0x4c0
[ 1003.427972][ C0] ? lock_sync+0x190/0x190
[ 1003.427994][ C0] get_mem_cgroup_from_mm+0x4b/0x4c0
[ 1003.428010][ C0] ? get_mem_cgroup_from_mm+0x3a/0x4c0
[ 1003.428027][ C0] ? mark_held_locks+0x9f/0xe0
[ 1003.428060][ C0] __mem_cgroup_charge+0x1c/0x140
[ 1003.428073][ C0] ? folio_flags+0x71/0x1f0
[ 1003.428092][ C0] __filemap_add_folio+0x88c/0xed0
[ 1003.428107][ C0] ? mempolicy_in_oom_domain+0x150/0x150
[ 1003.428124][ C0] ? filemap_write_and_wait_range+0x120/0x120
[ 1003.428138][ C0] ? memcg_list_lru_alloc+0xa80/0xa80
[ 1003.428153][ C0] ? folio_flags+0x71/0x1f0
[ 1003.428168][ C0] filemap_add_folio+0xb1/0x1e0
[ 1003.428181][ C0] ? __filemap_add_folio+0xed0/0xed0
[ 1003.428195][ C0] page_cache_ra_unbounded+0x1d0/0x5f0
[ 1003.428218][ C0] page_cache_ra_order+0x72b/0xa80
[ 1003.428233][ C0] filemap_fault+0x16a8/0x3570
[ 1003.428248][ C0] ? read_cache_page_gfp+0x120/0x120
[ 1003.428262][ C0] ? mark_held_locks+0x9f/0xe0
[ 1003.428280][ C0] ? pte_alloc_one+0x2a9/0x370
[ 1003.428296][ C0] ? filemap_get_read_batch+0x9b0/0x9b0
[ 1003.428308][ C0] __do_fault+0x107/0x600
[ 1003.428325][ C0] ? filemap_get_read_batch+0x9b0/0x9b0
[ 1003.428338][ C0] __handle_mm_fault+0x3a8d/0x3d70
[ 1003.428358][ C0] ? vm_iomap_memory+0x170/0x170
[ 1003.428380][ C0] ? find_vma+0x112/0x1b0
[ 1003.428393][ C0] ? get_unmapped_area+0x3e0/0x3e0
[ 1003.428406][ C0] ? rep_movs_alternative+0x57/0x70
[ 1003.428420][ C0] handle_mm_fault+0x47a/0xa10
[ 1003.428439][ C0] ? lock_mm_and_find_vma+0xa6/0x580
[ 1003.428459][ C0] do_user_addr_fault+0x3d1/0x1000
[ 1003.428473][ C0] ? rcu_is_watching+0x12/0xb0
[ 1003.428489][ C0] exc_page_fault+0x5d/0xc0
[ 1003.428507][ C0] asm_exc_page_fault+0x26/0x30
[ 1003.428526][ C0] RIP: 0010:rep_movs_alternative+0x57/0x70
[ 1003.428540][ C0] Code: 00 66 90 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 eb 01 c3 48 89 c8 48 c1 e9 03 83 e0 07 <f3> 48 a5 89 c1 85 c9 75 b3 c3 48 8d 0c c8 eb ac 66 0f 1f 84 00 00
[ 1003.428552][ C0] RSP: 0018:ffffc90004427bb0 EFLAGS: 00050246
[ 1003.428561][ C0] RAX: 0000000000000000 RBX: 0000000000000040 RCX: 0000000000000008
[ 1003.428568][ C0] RDX: ffffed1028a4ab48 RSI: ffff888145255a00 RDI: 0000000020019980
[ 1003.428576][ C0] RBP: 0000000020019980 R08: 0000000000000000 R09: ffffed1028a4ab47
[ 1003.428583][ C0] R10: ffff888145255a3f R11: 0000000000000001 R12: ffff888145255a00
[ 1003.428591][ C0] R13: 00000000200199c0 R14: 0000000000000000 R15: dffffc0000000000
[ 1003.428603][ C0] _copy_to_user+0xa8/0xb0
[ 1003.428619][ C0] rng_dev_read+0x184/0x580
[ 1003.428638][ C0] ? copy_data+0x2f0/0x2f0
[ 1003.428655][ C0] ? rng_current_show+0xc0/0xc0
[ 1003.428672][ C0] do_iter_read+0x567/0x830
[ 1003.428687][ C0] vfs_readv+0x12d/0x1a0
[ 1003.428699][ C0] ? vfs_iter_read+0xb0/0xb0
[ 1003.428709][ C0] ? find_held_lock+0x2d/0x110
[ 1003.428727][ C0] ? reacquire_held_locks+0x4c0/0x4c0
[ 1003.428749][ C0] ? __fget_files+0x1c6/0x340
[ 1003.428763][ C0] __x64_sys_preadv+0x228/0x300
[ 1003.428776][ C0] ? __ia32_sys_writev+0xb0/0xb0
[ 1003.428789][ C0] ? syscall_enter_from_user_mode+0x7f/0x120
[ 1003.428809][ C0] do_syscall_64+0x40/0x110
[ 1003.428823][ C0] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 1003.428842][ C0] RIP: 0033:0x7f3c78638b29
[ 1003.428860][ C0] Code: Unable to access opcode bytes at 0x7f3c78638aff.
[ 1003.428865][ C0] RSP: 002b:00007f3c785f9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
[ 1003.428875][ C0] RAX: ffffffffffffffda RBX: 00007f3c786c2328 RCX: 00007f3c78638b29
[ 1003.428883][ C0] RDX: 0000000000000001 RSI: 0000000020001880 RDI: 0000000000000003
[ 1003.428890][ C0] RBP: 00007f3c786c2320 R08: 0000000000000000 R09: 0000000000000000
[ 1003.428898][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c786c232c
[ 1003.428905][ C0] R13: 0000000000000000 R14: 00007ffc8a220310 R15: 00007ffc8a2203f8
[ 1003.428916][ C0] </TASK>
[ 1003.428921][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.464 msecs
[ 1004.042667][ T29] Kernel panic - not syncing: hung_task: blocked tasks
[ 1004.049543][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc2-syzkaller #0
[ 1004.057618][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[ 1004.067676][ T29] Call Trace:
[ 1004.070950][ T29] <TASK>
[ 1004.073881][ T29] dump_stack_lvl+0xd9/0x1b0
[ 1004.078479][ T29] panic+0x6dc/0x790
[ 1004.082382][ T29] ? panic_smp_self_stop+0xa0/0xa0
[ 1004.087501][ T29] ? preempt_schedule_thunk+0x1a/0x30
[ 1004.092885][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0
[ 1004.098090][ T29] ? preempt_schedule_thunk+0x1a/0x30
[ 1004.103473][ T29] ? watchdog+0xd3e/0x1210
[ 1004.107894][ T29] ? watchdog+0xd31/0x1210
[ 1004.112317][ T29] watchdog+0xd4f/0x1210
[ 1004.116569][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90
[ 1004.122551][ T29] ? lockdep_hardirqs_on+0x7d/0x110
[ 1004.127761][ T29] ? __kthread_parkme+0x14b/0x220
[ 1004.132789][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90
[ 1004.138773][ T29] kthread+0x2c6/0x3a0
[ 1004.142845][ T29] ? _raw_spin_unlock_irq+0x23/0x50
[ 1004.148050][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 1004.153687][ T29] ret_from_fork+0x45/0x80
[ 1004.158104][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 1004.163745][ T29] ret_from_fork_asm+0x11/0x20
[ 1004.168530][ T29] </TASK>
[ 1004.171792][ T29] Kernel Offset: disabled
[ 1004.176100][ T29] Rebooting in 86400 seconds..