Warning: Permanently added '10.128.1.7' (ED25519) to the list of known hosts.
executing program
[ 62.314914][ T4165] loop0: detected capacity change from 0 to 40427
[ 62.356218][ T4165] =======================================================
[ 62.356218][ T4165] WARNING: The mand mount option has been deprecated and
[ 62.356218][ T4165] and is ignored by this kernel. Remove the mand
[ 62.356218][ T4165] option from the mount to silence this warning.
[ 62.356218][ T4165] =======================================================
[ 62.453483][ T4165] F2FS-fs (loop0): Found nat_bits in checkpoint
[ 62.487945][ T4165] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[ 81.525248][ T1335] cfg80211: failed to load regulatory.db
[ 286.323709][ T27] INFO: task kworker/u4:3:461 blocked for more than 143 seconds.
[ 286.331614][ T27] Not tainted 5.15.181-syzkaller #0
[ 286.337825][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.346725][ T27] task:kworker/u4:3 state:D stack:22824 pid: 461 ppid: 2 flags:0x00004000
[ 286.356334][ T27] Workqueue: writeback wb_workfn (flush-7:0)
[ 286.362395][ T27] Call Trace:
[ 286.365937][ T27]
[ 286.368888][ T27] __schedule+0x11b8/0x43b0
[ 286.373658][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.379592][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.385836][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 286.391848][ T27] ? lock_chain_count+0x20/0x20
[ 286.396967][ T27] ? _raw_spin_lock_irq+0xab/0xe0
[ 286.402019][ T27] ? kthread_data+0x4b/0xc0
[ 286.406811][ T27] schedule+0x11b/0x1e0
[ 286.410995][ T27] rwsem_down_write_slowpath+0xc46/0x11f0
[ 286.416973][ T27] ? rwsem_write_trylock+0x1b0/0x1b0
[ 286.422291][ T27] ? __might_sleep+0xf0/0xf0
[ 286.427112][ T27] ? preempt_count_add+0x8d/0x190
[ 286.432166][ T27] ? clear_nonspinnable+0x60/0x60
[ 286.437421][ T27] ? from_kgid+0x159/0x680
[ 286.441870][ T27] f2fs_balance_fs+0x47d/0x660
[ 286.446903][ T27] ? f2fs_commit_inmem_pages+0xa00/0xa00
[ 286.452568][ T27] ? unlock_page+0x17c/0x1f0
[ 286.457413][ T27] ? f2fs_put_page+0x1e2/0x370
[ 286.462201][ T27] f2fs_write_inode+0x531/0x760
[ 286.467285][ T27] __writeback_single_inode+0x6c3/0xda0
[ 286.473022][ T27] writeback_sb_inodes+0x9fe/0x1610
[ 286.478614][ T27] ? queue_io+0x550/0x550
[ 286.483179][ T27] ? balance_dirty_pages+0x1ce0/0x1ce0
[ 286.488685][ T27] __writeback_inodes_wb+0x12a/0x3f0
[ 286.494245][ T27] wb_writeback+0x455/0xb90
[ 286.498790][ T27] ? rcu_lock_release+0x20/0x20
[ 286.503913][ T27] ? mark_lock+0x94/0x320
[ 286.508275][ T27] wb_workfn+0xb47/0xe60
[ 286.512566][ T27] ? inode_wait_for_writeback+0x200/0x200
[ 286.518619][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 286.524854][ T27] ? read_lock_is_recursive+0x10/0x10
[ 286.530248][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 286.536401][ T27] ? _raw_spin_unlock+0x40/0x40
[ 286.541279][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 286.546730][ T27] process_one_work+0x863/0x1000
[ 286.551707][ T27] ? worker_detach_from_pool+0x240/0x240
[ 286.557589][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 286.563141][ T27] ? _raw_spin_lock_irq+0xab/0xe0
[ 286.568193][ T27] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 286.573844][ T27] ? wq_worker_running+0x97/0x170
[ 286.582197][ T27] worker_thread+0xaa8/0x12a0
[ 286.587238][ T27] kthread+0x436/0x520
[ 286.591332][ T27] ? rcu_lock_release+0x20/0x20
[ 286.596416][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.601035][ T27] ret_from_fork+0x1f/0x30
[ 286.605716][ T27]
[ 286.609044][ T27]
[ 286.609044][ T27] Showing all locks held in the system:
[ 286.617039][ T27] 1 lock held by khungtaskd/27:
[ 286.621901][ T27] #0: ffffffff8c11be60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.631582][ T27] 4 locks held by kworker/u4:3/461:
[ 286.636989][ T27] #0: ffff8881417a8938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[ 286.647842][ T27] #1: ffffc9000310fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[ 286.660126][ T27] #2: ffff8880239520e0 (&type->s_umount_key#43){.+.+}-{3:3}, at: trylock_super+0x1c/0xf0
[ 286.670322][ T27] #3: ffff88807c4e91b0 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x47d/0x660
[ 286.680068][ T27] 1 lock held by syslogd/3530:
[ 286.685017][ T27] 2 locks held by getty/3930:
[ 286.689700][ T27] #0: ffff88814c6dc098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.699721][ T27] #1: ffffc90002cd62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 286.710052][ T27] 5 locks held by syz-executor265/4165:
[ 286.715771][ T27]
[ 286.718104][ T27] =============================================
[ 286.718104][ T27]
[ 286.727219][ T27] NMI backtrace for cpu 0
[ 286.731579][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.181-syzkaller #0
[ 286.739567][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[ 286.749634][ T27] Call Trace:
[ 286.752931][ T27]
[ 286.755870][ T27] dump_stack_lvl+0x168/0x230
[ 286.760566][ T27] ? show_regs_print_info+0x20/0x20
[ 286.765779][ T27] ? load_image+0x3b0/0x3b0
[ 286.770292][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 286.775681][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 286.780811][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 286.785776][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 286.791942][ T27] ? _printk+0xcc/0x110
[ 286.796103][ T27] ? load_image+0x3b0/0x3b0
[ 286.800620][ T27] ? load_image+0x3b0/0x3b0
[ 286.805137][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.811227][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 286.817219][ T27] watchdog+0xe0f/0xe50
[ 286.821409][ T27] kthread+0x436/0x520
[ 286.825488][ T27] ? hungtask_pm_notify+0x40/0x40
[ 286.830521][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.835126][ T27] ret_from_fork+0x1f/0x30
[ 286.839633][ T27]
[ 286.842741][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 286.847973][ C1] NMI backtrace for cpu 1
[ 286.847984][ C1] CPU: 1 PID: 4165 Comm: syz-executor265 Not tainted 5.15.181-syzkaller #0
[ 286.848002][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[ 286.848017][ C1] RIP: 0010:check_preemption_disabled+0x60/0x110
[ 286.848042][ C1] Code: 00 48 3b 4c 24 08 0f 85 c4 00 00 00 48 83 c4 10 5b 41 5e 41 5f 5d c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 <74> cc 65 4c 8b 3d 36 32 61 76 41 f6 47 2f 04 74 0a 41 83 bf 10 04
[ 286.848056][ C1] RSP: 0018:ffffc90002eeec60 EFLAGS: 00000046
[ 286.848071][ C1] RAX: 0000000000000001 RBX: ffff88807791bb80 RCX: 0000000080000000
[ 286.848083][ C1] RDX: 0000000000000000 RSI: ffffffff8a0b1dc0 RDI: ffffffff8a59a2c0
[ 286.848094][ C1] RBP: 00000000ffffffff R08: ffffffff8377ec82 R09: 0000000000000000
[ 286.848105][ C1] R10: fffff520005dde46 R11: 1ffff920005dde40 R12: dffffc0000000000
[ 286.848118][ C1] R13: 0000000000000246 R14: ffffffff8c11bf20 R15: 00000000ffffffff
[ 286.848130][ C1] FS: 0000555589819380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 286.848145][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 286.848156][ C1] CR2: 00005592faf5d600 CR3: 0000000024667000 CR4: 00000000003506e0
[ 286.848170][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 286.848180][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 286.848190][ C1] Call Trace:
[ 286.848196][ C1]
[ 286.848204][ C1] lock_is_held_type+0x75/0x190
[ 286.848225][ C1] ___might_sleep+0xf2/0x600
[ 286.848242][ C1] ? preempt_count_add+0x8d/0x190
[ 286.848259][ C1] ? __up_read+0x27c/0x660
[ 286.848276][ C1] ? __might_sleep+0xf0/0xf0
[ 286.848291][ C1] ? up_read+0x20/0x20
[ 286.848309][ C1] ? blk_finish_plug+0x59/0x80
[ 286.848324][ C1] ? get_victim_by_default+0x162/0x5130
[ 286.848346][ C1] __mutex_lock_common+0xc1/0x2390
[ 286.848374][ C1] ? mutex_lock_io_nested+0x60/0x60
[ 286.848391][ C1] ? __lock_acquire+0x13ad/0x7c60
[ 286.848417][ C1] mutex_lock_nested+0x17/0x20
[ 286.848433][ C1] get_victim_by_default+0x162/0x5130
[ 286.848453][ C1] ? has_not_enough_free_secs+0x8b0/0x8b0
[ 286.848476][ C1] ? verify_lock_unused+0x140/0x140
[ 286.848509][ C1] ? set_page_private_gcing+0x230/0x230
[ 286.848530][ C1] ? __might_sleep+0xf0/0xf0
[ 286.848543][ C1] ? preempt_count_add+0x8d/0x190
[ 286.848560][ C1] ? rwsem_write_trylock+0x12f/0x1b0
[ 286.848580][ C1] ? has_not_enough_free_secs+0x3d0/0x8b0
[ 286.848603][ C1] f2fs_gc+0x869/0x1900
[ 286.848632][ C1] ? f2fs_start_bidx_of_node+0x370/0x370
[ 286.848671][ C1] f2fs_balance_fs+0x491/0x660
[ 286.848689][ C1] ? preempt_count_add+0x8d/0x190
[ 286.848705][ C1] ? f2fs_commit_inmem_pages+0xa00/0xa00
[ 286.848722][ C1] ? __up_read+0x27c/0x660
[ 286.848738][ C1] ? unlock_page+0x17c/0x1f0
[ 286.848754][ C1] ? up_read+0x20/0x20
[ 286.848774][ C1] f2fs_map_blocks+0x196a/0x3310
[ 286.848807][ C1] ? f2fs_force_buffered_io+0x680/0x680
[ 286.848823][ C1] ? preempt_count_add+0x8d/0x190
[ 286.848840][ C1] ? preempt_count_add+0x8d/0x190
[ 286.848863][ C1] expand_inode_data+0x4a0/0x6e0
[ 286.848885][ C1] ? f2fs_insert_range+0x3b0/0x3b0
[ 286.848899][ C1] ? file_update_time+0x2c6/0x400
[ 286.848916][ C1] ? file_remove_privs+0x590/0x590
[ 286.848931][ C1] ? rcu_read_lock_any_held+0xb0/0x120
[ 286.848953][ C1] f2fs_fallocate+0x423/0x8c0
[ 286.848971][ C1] vfs_fallocate+0x587/0x6f0
[ 286.848993][ C1] do_vfs_ioctl+0x1b70/0x1de0
[ 286.849011][ C1] ? __ia32_compat_sys_ioctl+0x850/0x850
[ 286.849027][ C1] ? rcu_lock_release+0x5/0x20
[ 286.849048][ C1] ? __lock_acquire+0x7c60/0x7c60
[ 286.849068][ C1] ? kfree+0xef/0x2a0
[ 286.849086][ C1] ? tomoyo_path_number_perm+0x4d4/0x5d0
[ 286.849105][ C1] ? verify_lock_unused+0x140/0x140
[ 286.849125][ C1] ? tomoyo_check_path_acl+0x1c0/0x1c0
[ 286.849147][ C1] ? handle_mm_fault+0x2b8f/0x43c0
[ 286.849180][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 286.849201][ C1] ? lock_chain_count+0x20/0x20
[ 286.849219][ C1] ? bpf_lsm_file_ioctl+0x5/0x10
[ 286.849236][ C1] ? security_file_ioctl+0x7c/0xa0
[ 286.849256][ C1] __se_sys_ioctl+0x83/0x170
[ 286.849273][ C1] do_syscall_64+0x4c/0xa0
[ 286.849288][ C1] ? clear_bhb_loop+0x15/0x70
[ 286.849303][ C1] ? clear_bhb_loop+0x15/0x70
[ 286.849319][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.849338][ C1] RIP: 0033:0x7f1f2fe6ab59
[ 286.849355][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 286.849367][ C1] RSP: 002b:00007ffc0c5fab88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 286.849383][ C1] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007f1f2fe6ab59
[ 286.849395][ C1] RDX: 0000200000000380 RSI: 0000000040305828 RDI: 0000000000000004
[ 286.849407][ C1] RBP: 0030656c69662f2e R08: 000055558981a4c0 R09: 000055558981a4c0
[ 286.849419][ C1] R10: 000055558981a4c0 R11: 0000000000000246 R12: 00007ffc0c5fabb0
[ 286.849430][ C1] R13: 00007ffc0c5fadd8 R14: 431bde82d7b634db R15: 00007f1f2feb303b
[ 286.849450][ C1]
[ 286.849456][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.482 msecs
[ 286.852773][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.368787][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.181-syzkaller #0
[ 287.376781][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[ 287.386843][ T27] Call Trace:
[ 287.390128][ T27]
[ 287.393066][ T27] dump_stack_lvl+0x168/0x230
[ 287.397787][ T27] ? show_regs_print_info+0x20/0x20
[ 287.402999][ T27] ? load_image+0x3b0/0x3b0
[ 287.407521][ T27] panic+0x2c9/0x7f0
[ 287.411426][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 287.417076][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 287.421591][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 287.427157][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 287.433329][ T27] watchdog+0xe4e/0xe50
[ 287.437512][ T27] kthread+0x436/0x520
[ 287.441592][ T27] ? hungtask_pm_notify+0x40/0x40
[ 287.446626][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.451349][ T27] ret_from_fork+0x1f/0x30
[ 287.455792][ T27]
[ 287.459028][ T27] Kernel Offset: disabled
[ 287.463358][ T27] Rebooting in 86400 seconds..