Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
[ 673.483700][ T5034] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5034 'syz-executor181'
[ 673.506064][ T5034] loop0: detected capacity change from 0 to 256
[ 673.515776][ T5036] loop3: detected capacity change from 0 to 256
[ 673.527665][ T5038] loop1: detected capacity change from 0 to 256
executing program
[ 673.528220][ T5037] loop4: detected capacity change from 0 to 256
[ 673.538579][ T5039] loop5: detected capacity change from 0 to 256
[ 673.541388][ T5035] loop2: detected capacity change from 0 to 256
[ 673.548836][ T5034] exfat: Deprecated parameter 'utf8'
[ 673.556755][ T5037] exfat: Deprecated parameter 'utf8'
[ 673.558550][ T5036] exfat: Deprecated parameter 'utf8'
[ 673.569098][ T5034] exfat: Deprecated parameter 'utf8'
[ 673.574610][ T5036] exfat: Deprecated parameter 'utf8'
[ 673.574821][ T5037] exfat: Deprecated parameter 'utf8'
[ 673.582174][ T5038] exfat: Deprecated parameter 'utf8'
[ 673.591020][ T5039] exfat: Deprecated parameter 'utf8'
[ 673.595548][ T5035] exfat: Deprecated parameter 'utf8'
[ 673.597733][ T5038] exfat: Deprecated parameter 'utf8'
[ 673.609560][ T5035] exfat: Deprecated parameter 'utf8'
[ 673.616581][ T5034] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 673.629592][ T5039] exfat: Deprecated parameter 'utf8'
[ 673.635485][ T5036] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 673.636403][ T5037] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 673.663617][ T5035] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 673.697238][ T5039] exFAT-fs (loop5): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 673.709846][ T5038] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 859.892438][ T28] INFO: task kworker/u4:2:33 blocked for more than 143 seconds.
[ 859.900244][ T28] Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
[ 859.942347][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.951151][ T28] task:kworker/u4:2 state:D stack:24888 pid:33 ppid:2 flags:0x00004000
[ 860.022348][ T28] Workqueue: writeback wb_workfn (flush-7:5)
[ 860.028465][ T28] Call Trace:
[ 860.031748][ T28] <TASK>
[ 860.052396][ T28] __schedule+0x187b/0x4900
[ 860.057053][ T28] ? blk_mq_request_bypass_insert+0x180/0x180
[ 860.102360][ T28] ? release_firmware_map_entry+0x190/0x190
[ 860.108308][ T28] ? __blk_flush_plug+0x49e/0x4f0
[ 860.162388][ T28] ? __mutex_trylock_common+0x91/0x2e0
[ 860.167943][ T28] ? wq_worker_sleeping+0x63/0x270
[ 860.202356][ T28] schedule+0xc3/0x180
[ 860.206476][ T28] schedule_preempt_disabled+0x13/0x20
[ 860.212028][ T28] __mutex_lock_common+0xe33/0x2530
[ 860.252372][ T28] ? exfat_write_inode+0x69/0x120
[ 860.257554][ T28] ? mutex_lock_io_nested+0x60/0x60
[ 860.282398][ T28] mutex_lock_nested+0x1b/0x20
[ 860.287207][ T28] exfat_write_inode+0x69/0x120
[ 860.292069][ T28] __writeback_single_inode+0x69b/0xfa0
[ 860.332359][ T28] writeback_sb_inodes+0x8e3/0x11d0
[ 860.337623][ T28] ? read_lock_is_recursive+0x20/0x20
[ 860.372360][ T28] ? print_unlock_imbalance_bug+0x2c0/0x2c0
[ 860.378302][ T28] ? queue_io+0x570/0x570
[ 860.422375][ T28] __writeback_inodes_wb+0x11b/0x260
[ 860.427727][ T28] wb_writeback+0x46c/0xc70
[ 860.432264][ T28] ? rcu_lock_release+0x30/0x30
[ 860.462397][ T28] ? get_nr_dirty_inodes+0x1c7/0x210
[ 860.467736][ T28] wb_workfn+0xc6f/0xff0
[ 860.472009][ T28] ? inode_wait_for_writeback+0x290/0x290
[ 860.532368][ T28] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[ 860.538399][ T28] ? print_irqtrace_events+0x220/0x220
[ 860.572347][ T28] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 860.578289][ T28] process_one_work+0x8a0/0x10e0
[ 860.622367][ T28] ? worker_detach_from_pool+0x290/0x290
[ 860.628060][ T28] worker_thread+0xa63/0x1210
[ 860.662415][ T28] kthread+0x2b8/0x350
[ 860.666520][ T28] ? pr_cont_work+0x5e0/0x5e0
[ 860.671208][ T28] ? kthread_blkcg+0xd0/0xd0
[ 860.702352][ T28] ret_from_fork+0x1f/0x30
[ 860.706849][ T28] </TASK>
[ 860.709909][ T28] INFO: task kworker/u4:3:46 blocked for more than 144 seconds.
[ 860.742347][ T28] Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
[ 860.749915][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 860.822347][ T28] task:kworker/u4:3 state:D stack:24320 pid:46 ppid:2 flags:0x00004000
[ 860.831595][ T28] Workqueue: writeback wb_workfn (flush-7:3)
[ 860.862392][ T28] Call Trace:
[ 860.865720][ T28] <TASK>
[ 860.868671][ T28] __schedule+0x187b/0x4900
[ 860.902367][ T28] ? blk_mq_request_bypass_insert+0x180/0x180
[ 860.908489][ T28] ? release_firmware_map_entry+0x190/0x190
[ 860.942382][ T28] ? __blk_flush_plug+0x49e/0x4f0
[ 860.947484][ T28] ? __mutex_trylock_common+0x91/0x2e0
[ 860.992360][ T28] ? wq_worker_sleeping+0x63/0x270
[ 860.997532][ T28] schedule+0xc3/0x180
[ 861.001646][ T28] schedule_preempt_disabled+0x13/0x20
[ 861.052389][ T28] __mutex_lock_common+0xe33/0x2530
[ 861.057668][ T28] ? exfat_write_inode+0x69/0x120
[ 861.090672][ T28] ? mutex_lock_io_nested+0x60/0x60
[ 861.102361][ T28] mutex_lock_nested+0x1b/0x20
[ 861.107147][ T28] exfat_write_inode+0x69/0x120
[ 861.112009][ T28] __writeback_single_inode+0x69b/0xfa0
[ 861.152386][ T28] writeback_sb_inodes+0x8e3/0x11d0
[ 861.157654][ T28] ? read_lock_is_recursive+0x20/0x20
[ 861.202350][ T28] ? print_unlock_imbalance_bug+0x2c0/0x2c0
[ 861.208327][ T28] ? queue_io+0x570/0x570
[ 861.232375][ T28] __writeback_inodes_wb+0x11b/0x260
[ 861.237705][ T28] wb_writeback+0x46c/0xc70
[ 861.242234][ T28] ? rcu_lock_release+0x30/0x30
[ 861.272520][ T28] ? get_nr_dirty_inodes+0x1c7/0x210
[ 861.277852][ T28] wb_workfn+0xc6f/0xff0
[ 861.282124][ T28] ? inode_wait_for_writeback+0x290/0x290
[ 861.322370][ T28] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[ 861.328402][ T28] ? print_irqtrace_events+0x220/0x220
[ 861.372347][ T28] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 861.378299][ T28] process_one_work+0x8a0/0x10e0
[ 861.412362][ T28] ? worker_detach_from_pool+0x290/0x290
[ 861.418041][ T28] ? _raw_spin_lock_irqsave+0x120/0x120
[ 861.444943][ T28] ? kthread_data+0x52/0xc0
[ 861.449495][ T28] ? wq_worker_running+0x9b/0x1a0
[ 861.472358][ T28] worker_thread+0xa63/0x1210
[ 861.477105][ T28] kthread+0x2b8/0x350
[ 861.481184][ T28] ? pr_cont_work+0x5e0/0x5e0
[ 861.512397][ T28] ? kthread_blkcg+0xd0/0xd0
[ 861.517022][ T28] ret_from_fork+0x1f/0x30
[ 861.521472][ T28] </TASK>
[ 861.552475][ T28] INFO: task kworker/u4:5:938 blocked for more than 145 seconds.
[ 861.572415][ T28] Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
[ 861.580160][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.642347][ T28] task:kworker/u4:5 state:D stack:21720 pid:938 ppid:2 flags:0x00004000
[ 861.651593][ T28] Workqueue: writeback wb_workfn (flush-7:2)
[ 861.682386][ T28] Call Trace:
[ 861.685693][ T28] <TASK>
[ 861.688630][ T28] __schedule+0x187b/0x4900
[ 861.712406][ T28] ? blk_mq_request_bypass_insert+0x180/0x180
[ 861.718534][ T28] ? release_firmware_map_entry+0x190/0x190
[ 861.752413][ T28] ? __blk_flush_plug+0x49e/0x4f0
[ 861.757478][ T28] ? __mutex_trylock_common+0x91/0x2e0
[ 861.792389][ T28] ? wq_worker_sleeping+0x63/0x270
[ 861.797533][ T28] schedule+0xc3/0x180
[ 861.801614][ T28] schedule_preempt_disabled+0x13/0x20
[ 861.852351][ T28] __mutex_lock_common+0xe33/0x2530
[ 861.857621][ T28] ? exfat_write_inode+0x69/0x120
[ 861.902360][ T28] ? mutex_lock_io_nested+0x60/0x60
[ 861.907626][ T28] mutex_lock_nested+0x1b/0x20
[ 861.932401][ T28] exfat_write_inode+0x69/0x120
[ 861.937313][ T28] __writeback_single_inode+0x69b/0xfa0
[ 861.962354][ T28] writeback_sb_inodes+0x8e3/0x11d0
[ 861.967610][ T28] ? read_lock_is_recursive+0x20/0x20
[ 862.002368][ T28] ? print_unlock_imbalance_bug+0x2c0/0x2c0
[ 862.008326][ T28] ? queue_io+0x570/0x570
[ 862.042446][ T28] __writeback_inodes_wb+0x11b/0x260
[ 862.047803][ T28] wb_writeback+0x46c/0xc70
[ 862.072378][ T28] ? rcu_lock_release+0x30/0x30
[ 862.077298][ T28] ? get_nr_dirty_inodes+0x1c7/0x210
[ 862.102353][ T28] wb_workfn+0xc6f/0xff0
[ 862.106663][ T28] ? inode_wait_for_writeback+0x290/0x290
[ 862.132374][ T28] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[ 862.138402][ T28] ? print_irqtrace_events+0x220/0x220
[ 862.172363][ T28] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 862.178315][ T28] process_one_work+0x8a0/0x10e0
[ 862.212375][ T28] ? worker_detach_from_pool+0x290/0x290
[ 862.218056][ T28] ? _raw_spin_lock_irqsave+0x120/0x120
[ 862.262358][ T28] ? kthread_data+0x52/0xc0
[ 862.266913][ T28] ? wq_worker_running+0x9b/0x1a0
[ 862.271946][ T28] worker_thread+0xa63/0x1210
[ 862.322383][ T28] ? _raw_spin_unlock+0x40/0x40
[ 862.327290][ T28] kthread+0x2b8/0x350
[ 862.331383][ T28] ? pr_cont_work+0x5e0/0x5e0
[ 862.382359][ T28] ? kthread_blkcg+0xd0/0xd0
[ 862.387005][ T28] ret_from_fork+0x1f/0x30
[ 862.391448][ T28] </TASK>
[ 862.423333][ T28] INFO: task kworker/u4:6:2423 blocked for more than 145 seconds.
[ 862.432510][ T28] Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
[ 862.440075][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 862.492376][ T28] task:kworker/u4:6 state:D stack:20672 pid:2423 ppid:2 flags:0x00004000
[ 862.501627][ T28] Workqueue: writeback wb_workfn (flush-7:0)
[ 862.542361][ T28] Call Trace:
[ 862.545680][ T28] <TASK>
[ 862.548618][ T28] __schedule+0x187b/0x4900
[ 862.582374][ T28] ? blk_mq_request_bypass_insert+0x180/0x180
[ 862.588665][ T28] ? release_firmware_map_entry+0x190/0x190
[ 862.612450][ T28] ? __blk_flush_plug+0x49e/0x4f0
[ 862.617599][ T28] ? __mutex_trylock_common+0x91/0x2e0
[ 862.652353][ T28] ? wq_worker_sleeping+0x63/0x270
[ 862.657505][ T28] schedule+0xc3/0x180
[ 862.661582][ T28] schedule_preempt_disabled+0x13/0x20
[ 862.702366][ T28] __mutex_lock_common+0xe33/0x2530
[ 862.707637][ T28] ? exfat_write_inode+0x69/0x120
[ 862.742350][ T28] ? mutex_lock_io_nested+0x60/0x60
[ 862.747615][ T28] mutex_lock_nested+0x1b/0x20
[ 862.782344][ T28] exfat_write_inode+0x69/0x120
[ 862.787245][ T28] __writeback_single_inode+0x69b/0xfa0
[ 862.832355][ T28] writeback_sb_inodes+0x8e3/0x11d0
[ 862.837887][ T28] ? read_lock_is_recursive+0x20/0x20
[ 862.862363][ T28] ? print_unlock_imbalance_bug+0x2c0/0x2c0
[ 862.868309][ T28] ? queue_io+0x570/0x570
[ 862.902385][ T28] __writeback_inodes_wb+0x11b/0x260
[ 862.907726][ T28] wb_writeback+0x46c/0xc70
[ 862.912255][ T28] ? rcu_lock_release+0x30/0x30
[ 862.952359][ T28] ? get_nr_dirty_inodes+0x1c7/0x210
[ 862.957689][ T28] wb_workfn+0xc6f/0xff0
[ 862.961972][ T28] ? inode_wait_for_writeback+0x290/0x290
[ 863.002391][ T28] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[ 863.008426][ T28] ? print_irqtrace_events+0x220/0x220
[ 863.042407][ T28] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 863.048376][ T28] process_one_work+0x8a0/0x10e0
[ 863.082376][ T28] ? worker_detach_from_pool+0x290/0x290
[ 863.088062][ T28] ? _raw_spin_lock_irqsave+0x120/0x120
[ 863.112345][ T28] ? kthread_data+0x52/0xc0
[ 863.116924][ T28] ? wq_worker_running+0x9b/0x1a0
[ 863.122047][ T28] worker_thread+0xa63/0x1210
[ 863.152377][ T28] ? _raw_spin_unlock+0x40/0x40
[ 863.157284][ T28] kthread+0x2b8/0x350
[ 863.161376][ T28] ? pr_cont_work+0x5e0/0x5e0
[ 863.202343][ T28] ? kthread_blkcg+0xd0/0xd0
[ 863.206978][ T28] ret_from_fork+0x1f/0x30
[ 863.211416][ T28] </TASK>
[ 863.257190][ T28] INFO: task kworker/u4:0:5044 blocked for more than 146 seconds.
[ 863.272406][ T28] Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
[ 863.280077][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 863.352387][ T28] task:kworker/u4:0 state:D stack:25120 pid:5044 ppid:2 flags:0x00004000
[ 863.361747][ T28] Workqueue: writeback wb_workfn (flush-7:1)
[ 863.402351][ T28] Call Trace:
[ 863.405681][ T28] <TASK>
[ 863.408625][ T28] __schedule+0x187b/0x4900
[ 863.442365][ T28] ? blk_mq_request_bypass_insert+0x180/0x180
[ 863.448481][ T28] ? release_firmware_map_entry+0x190/0x190
[ 863.482350][ T28] ? __blk_flush_plug+0x49e/0x4f0
[ 863.487420][ T28] ? __mutex_trylock_common+0x91/0x2e0
[ 863.512359][ T28] ? wq_worker_sleeping+0x63/0x270
[ 863.517506][ T28] schedule+0xc3/0x180
[ 863.521588][ T28] schedule_preempt_disabled+0x13/0x20
[ 863.562352][ T28] __mutex_lock_common+0xe33/0x2530
[ 863.567611][ T28] ? exfat_write_inode+0x69/0x120
[ 863.592351][ T28] ? mutex_lock_io_nested+0x60/0x60
[ 863.597607][ T28] mutex_lock_nested+0x1b/0x20
[ 863.622392][ T28] exfat_write_inode+0x69/0x120
[ 863.627302][ T28] __writeback_single_inode+0x69b/0xfa0
[ 863.652358][ T28] writeback_sb_inodes+0x8e3/0x11d0
[ 863.657721][ T28] ? read_lock_is_recursive+0x20/0x20
[ 863.692354][ T28] ? print_unlock_imbalance_bug+0x2c0/0x2c0
[ 863.698301][ T28] ? queue_io+0x570/0x570
[ 863.722465][ T28] __writeback_inodes_wb+0x11b/0x260
[ 863.727805][ T28] wb_writeback+0x46c/0xc70
[ 863.762414][ T28] ? rcu_lock_release+0x30/0x30
[ 863.767324][ T28] ? get_nr_dirty_inodes+0x1c7/0x210
[ 863.802388][ T28] wb_workfn+0xc6f/0xff0
[ 863.806692][ T28] ? inode_wait_for_writeback+0x290/0x290
[ 863.832365][ T28] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[ 863.838390][ T28] ? print_irqtrace_events+0x220/0x220
[ 863.872349][ T28] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 863.878295][ T28] process_one_work+0x8a0/0x10e0
[ 863.902407][ T28] ? worker_detach_from_pool+0x290/0x290
[ 863.908107][ T28] worker_thread+0xa63/0x1210
[ 863.932373][ T28] kthread+0x2b8/0x350
[ 863.936474][ T28] ? pr_cont_work+0x5e0/0x5e0
[ 863.941164][ T28] ? kthread_blkcg+0xd0/0xd0
[ 863.992350][ T28] ret_from_fork+0x1f/0x30
[ 863.997188][ T28] </TASK>
[ 864.012407][ T28] INFO: task kworker/u4:1:5045 blocked for more than 147 seconds.
[ 864.020249][ T28] Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
[ 864.062404][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 864.071105][ T28] task:kworker/u4:1 state:D stack:25120 pid:5045 ppid:2 flags:0x00004000
[ 864.122449][ T28] Workqueue: writeback wb_workfn (flush-7:4)
[ 864.128511][ T28] Call Trace:
[ 864.131795][ T28] <TASK>
[ 864.172362][ T28] __schedule+0x187b/0x4900
[ 864.176945][ T28] ? blk_mq_request_bypass_insert+0x180/0x180
[ 864.202417][ T28] ? release_firmware_map_entry+0x190/0x190
[ 864.208365][ T28] ? __blk_flush_plug+0x49e/0x4f0
[ 864.232397][ T28] ? __mutex_trylock_common+0x91/0x2e0
[ 864.237900][ T28] ? wq_worker_sleeping+0x63/0x270
[ 864.272367][ T28] schedule+0xc3/0x180
[ 864.276486][ T28] schedule_preempt_disabled+0x13/0x20
[ 864.281951][ T28] __mutex_lock_common+0xe33/0x2530
[ 864.332357][ T28] ? exfat_write_inode+0x69/0x120
[ 864.337426][ T28] ? mutex_lock_io_nested+0x60/0x60
[ 864.382414][ T28] mutex_lock_nested+0x1b/0x20
[ 864.387224][ T28] exfat_write_inode+0x69/0x120
[ 864.392081][ T28] __writeback_single_inode+0x69b/0xfa0
[ 864.422365][ T28] writeback_sb_inodes+0x8e3/0x11d0
[ 864.427621][ T28] ? read_lock_is_recursive+0x20/0x20
[ 864.452361][ T28] ? print_unlock_imbalance_bug+0x2c0/0x2c0
[ 864.458302][ T28] ? queue_io+0x570/0x570
[ 864.492372][ T28] __writeback_inodes_wb+0x11b/0x260
[ 864.497707][ T28] wb_writeback+0x46c/0xc70
[ 864.502238][ T28] ? rcu_lock_release+0x30/0x30
[ 864.532376][ T28] ? get_nr_dirty_inodes+0x1c7/0x210
[ 864.537700][ T28] wb_workfn+0xc6f/0xff0
[ 864.541971][ T28] ? inode_wait_for_writeback+0x290/0x290
[ 864.582357][ T28] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[ 864.588383][ T28] ? print_irqtrace_events+0x220/0x220
[ 864.622406][ T28] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 864.628456][ T28] process_one_work+0x8a0/0x10e0
[ 864.672361][ T28] ? worker_detach_from_pool+0x290/0x290
[ 864.678058][ T28] worker_thread+0xa63/0x1210
[ 864.702385][ T28] kthread+0x2b8/0x350
[ 864.706495][ T28] ? pr_cont_work+0x5e0/0x5e0
[ 864.711177][ T28] ? kthread_blkcg+0xd0/0xd0
[ 864.742365][ T28] ret_from_fork+0x1f/0x30
[ 864.746843][ T28] </TASK>
[ 864.749898][ T28]
[ 864.749898][ T28] Showing all locks held in the system:
[ 864.792491][ T28] 1 lock held by rcu_tasks_kthre/13:
[ 864.797815][ T28] #0: ffffffff8cf276f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20
[ 864.852344][ T28] 1 lock held by rcu_tasks_trace/14:
[ 864.857662][ T28] #0: ffffffff8cf27ab0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20
[ 864.892380][ T28] 1 lock held by khungtaskd/28:
[ 864.897248][ T28] #0: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 864.952375][ T28] 4 locks held by kworker/u4:2/33:
[ 864.957533][ T28] #0: ffff888144e6d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0
[ 865.022406][ T28] #1: ffffc90000a9fd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0
[ 865.072359][ T28] #2: ffff88807c71c0e0 (&type->s_umount_key#43){.+.+}-{3:3}, at: trylock_super+0x1f/0xf0
[ 865.102351][ T28] #3: ffff88807bc260e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x69/0x120
[ 865.111899][ T28] 4 locks held by kworker/u4:3/46:
[ 865.142379][ T28] #0: ffff888144e6d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0
[ 865.172383][ T28] #1: ffffc90000b77d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0
[ 865.232346][ T28] #2: ffff88807c71a0e0 (&type->s_umount_key#43){.+.+}-{3:3}, at: trylock_super+0x1f/0xf0
[ 865.262364][ T28] #3: ffff8880771300e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x69/0x120
[ 865.271915][ T28] 4 locks held by kworker/u4:5/938:
[ 865.302385][ T28] #0: ffff888144e6d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0
[ 865.342379][ T28] #1: ffffc9000485fd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0
[ 865.382409][ T28] #2: ffff88807df220e0 (&type->s_umount_key#43){.+.+}-{3:3}, at: trylock_super+0x1f/0xf0
[ 865.432347][ T28] #3: ffff888077ef20e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x69/0x120
[ 865.441992][ T28] 4 locks held by kworker/u4:6/2423:
[ 865.472362][ T28] #0: ffff888144e6d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0
[ 865.502532][ T28] #1: ffffc9000ac8fd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0
[ 865.552346][ T28] #2: ffff88807c7180e0 (&type->s_umount_key#43){.+.+}-{3:3}, at: trylock_super+0x1f/0xf0
[ 865.582388][ T28] #3: ffff8880771340e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x69/0x120
[ 865.591922][ T28] 2 locks held by getty/4747:
[ 865.622540][ T28] #0: ffff88814ac7d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 865.652371][ T28] #1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0
[ 865.682416][ T28] 6 locks held by syz-executor181/5034:
[ 865.687986][ T28] 6 locks held by syz-executor181/5035:
[ 865.732360][ T28] 6 locks held by syz-executor181/5036:
[ 865.737929][ T28] 6 locks held by syz-executor181/5037:
[ 865.772363][ T28] 6 locks held by syz-executor181/5038:
[ 865.777932][ T28] 6 locks held by syz-executor181/5039:
[ 865.812352][ T28] 4 locks held by kworker/u4:0/5044:
[ 865.817675][ T28] #0: ffff888144e6d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0
[ 865.862452][ T28] #1: ffffc90003b4fd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0
[ 865.902387][ T28] #2: ffff88807c71e0e0 (&type->s_umount_key#43){.+.+}-{3:3}, at: trylock_super+0x1f/0xf0
[ 865.932349][ T28] #3: ffff8880771520e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x69/0x120
[ 865.941995][ T28] 4 locks held by kworker/u4:1/5045:
[ 865.982407][ T28] #0: ffff888144e6d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0
[ 866.032349][ T28] #1: ffffc90003b6fd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0
[ 866.092368][ T28] #2: ffff8880790da0e0 (&type->s_umount_key#43){.+.+}-{3:3}, at: trylock_super+0x1f/0xf0
[ 866.132357][ T28] #3: ffff88801926a0e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x69/0x120
[ 866.141930][ T28]
[ 866.182352][ T28] =============================================
[ 866.182352][ T28]
[ 866.190802][ T28] NMI backtrace for cpu 0
[ 866.195129][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
[ 866.204929][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[ 866.214983][ T28] Call Trace:
[ 866.218260][ T28] <TASK>
[ 866.221193][ T28] dump_stack_lvl+0x1e7/0x2d0
[ 866.225927][ T28] ? nf_tcp_handle_invalid+0x650/0x650
[ 866.231393][ T28] ? panic+0x770/0x770
[ 866.235473][ T28] nmi_cpu_backtrace+0x498/0x4d0
[ 866.240428][ T28] ? vprintk_emit+0x10d/0x1f0
[ 866.245120][ T28] ? nmi_trigger_cpumask_backtrace+0x300/0x300
[ 866.251276][ T28] ? _printk+0xd5/0x120
[ 866.255433][ T28] ? panic+0x770/0x770
[ 866.259503][ T28] ? __wake_up_klogd+0xcc/0x100
[ 866.264445][ T28] ? panic+0x770/0x770
[ 866.268517][ T28] ? __rcu_read_unlock+0x96/0x100
[ 866.273546][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 866.279630][ T28] nmi_trigger_cpumask_backtrace+0x187/0x300
[ 866.285615][ T28] watchdog+0xec2/0xf00
[ 866.289800][ T28] kthread+0x2b8/0x350
[ 866.293873][ T28] ? hungtask_pm_notify+0x90/0x90
[ 866.298900][ T28] ? kthread_blkcg+0xd0/0xd0
[ 866.303497][ T28] ret_from_fork+0x1f/0x30
[ 866.307930][ T28] </TASK>
[ 866.311062][ T28] Sending NMI from CPU 0 to CPUs 1:
[ 866.316299][ C1] NMI backtrace for cpu 1
[ 866.316309][ C1] CPU: 1 PID: 5038 Comm: syz-executor181 Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
[ 866.316326][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[ 866.316334][ C1] RIP: 0010:__sanitizer_cov_trace_cmp4+0x80/0x90
[ 866.316358][ C1] Code: 8d 42 28 4c 39 c8 77 22 89 f8 89 f6 49 ff c2 4c 89 11 48 c7 44 0a 08 04 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f3 0f 1e fa 4c 8b
[ 866.316370][ C1] RSP: 0018:ffffc90003b2f898 EFLAGS: 00000293
[ 866.316384][ C1] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000009
[ 866.316393][ C1] RDX: ffff888017299dc0 RSI: 0000000000038c4c RDI: 0000000000038c4c
[ 866.316403][ C1] RBP: ffffc90003b2f9b8 R08: ffffffff825d6982 R09: ffffed100e8b8ae9
[ 866.316414][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000007
[ 866.316423][ C1] R13: 0000000038c4c682 R14: 0000000000038c4c R15: 0000000000038c4c
[ 866.316433][ C1] FS: 0000555556b80300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 866.316446][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 866.316457][ C1] CR2: 000055fdad8d1680 CR3: 000000007d952000 CR4: 00000000003506e0
[ 866.316470][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 866.316478][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 866.316487][ C1] Call Trace:
[ 866.316492][ C1] <NMI>
[ 866.316498][ C1] ? nmi_cpu_backtrace+0x3be/0x4d0
[ 866.316514][ C1] ? read_lock_is_recursive+0x20/0x20
[ 866.316534][ C1] ? nmi_trigger_cpumask_backtrace+0x300/0x300
[ 866.316549][ C1] ? unknown_nmi_error+0xc0/0xc0
[ 866.316570][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10
[ 866.316584][ C1] ? nmi_handle+0xf7/0x370
[ 866.316605][ C1] ? __sanitizer_cov_trace_cmp4+0x80/0x90
[ 866.316624][ C1] ? default_do_nmi+0x62/0x150
[ 866.316691][ C1] ? exc_nmi+0x11e/0x1f0
[ 866.316705][ C1] ? end_repeat_nmi+0x16/0x31
[ 866.316763][ C1] ? __exfat_free_cluster+0x382/0x990
[ 866.316782][ C1] ? __sanitizer_cov_trace_cmp4+0x80/0x90
[ 866.316801][ C1] ? __sanitizer_cov_trace_cmp4+0x80/0x90
[ 866.316821][ C1] ? __sanitizer_cov_trace_cmp4+0x80/0x90
[ 866.316840][ C1] </NMI>
[ 866.316844][ C1] <TASK>
[ 866.316848][ C1] __exfat_free_cluster+0x382/0x990
[ 866.316870][ C1] ? exfat_free_cluster+0xd0/0xd0
[ 866.316885][ C1] ? trace_contention_end+0x3c/0xf0
[ 866.316905][ C1] exfat_free_cluster+0x77/0xd0
[ 866.316922][ C1] __exfat_truncate+0x692/0x9b0
[ 866.316943][ C1] ? exfat_chain_dup+0x170/0x170
[ 866.316964][ C1] exfat_evict_inode+0xd8/0x270
[ 866.316977][ C1] ? exfat_build_inode+0x10c0/0x10c0
[ 866.316993][ C1] evict+0x2a4/0x620
[ 866.317015][ C1] __dentry_kill+0x436/0x650
[ 866.317032][ C1] dentry_kill+0xbb/0x290
[ 866.317047][ C1] dput+0x1f3/0x420
[ 866.317062][ C1] do_renameat2+0xd85/0x1660
[ 866.317089][ C1] ? fsnotify_move+0x4f0/0x4f0
[ 866.317108][ C1] ? __kasan_slab_alloc+0x66/0x70
[ 866.317133][ C1] ? __check_object_size+0x4e1/0xa40
[ 866.317154][ C1] ? getname_flags+0x1f0/0x4e0
[ 866.317168][ C1] ? lockdep_hardirqs_on+0x98/0x140
[ 866.317185][ C1] __x64_sys_rename+0x86/0x90
[ 866.317202][ C1] do_syscall_64+0x41/0xc0
[ 866.317222][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 866.317238][ C1] RIP: 0033:0x7fc36eb06aa9
[ 866.317251][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 c0 ff ff ff f7 d8 64 89 01 48
[ 866.317262][ C1] RSP: 002b:00007fff7c065748 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 866.317276][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc36eb06aa9
[ 866.317286][ C1] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040
[ 866.317296][ C1] RBP: 0000000000000000 R08: 00007fff7c065770 R09: 00007fff7c065770
[ 866.317305][ C1] R10: 00007fff7c065620 R11: 0000000000000246 R12: 00007fc36eac58c0
[ 866.317315][ C1] R13: 00007fff7c0657a0 R14: 00007fff7c065780 R15: 0000000000000000
[ 866.317332][ C1] </TASK>
[ 866.317337][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.037 msecs
[ 867.062345][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 867.069226][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
[ 867.079115][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[ 867.089173][ T28] Call Trace:
[ 867.092456][ T28] <TASK>
[ 867.095392][ T28] dump_stack_lvl+0x1e7/0x2d0
[ 867.100088][ T28] ? nf_tcp_handle_invalid+0x650/0x650
[ 867.105553][ T28] ? panic+0x770/0x770
[ 867.109632][ T28] ? vscnprintf+0x5d/0x80
[ 867.113966][ T28] panic+0x30f/0x770
[ 867.117863][ T28] ? nmi_trigger_cpumask_backtrace+0x233/0x300
[ 867.124021][ T28] ? __memcpy_flushcache+0x2b0/0x2b0
[ 867.129310][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 867.135394][ T28] ? nmi_trigger_cpumask_backtrace+0x233/0x300
[ 867.141549][ T28] ? nmi_trigger_cpumask_backtrace+0x2b4/0x300
[ 867.147706][ T28] ? nmi_trigger_cpumask_backtrace+0x2b9/0x300
[ 867.153861][ T28] watchdog+0xf00/0xf00
[ 867.158121][ T28] kthread+0x2b8/0x350
[ 867.162194][ T28] ? hungtask_pm_notify+0x90/0x90
[ 867.167222][ T28] ? kthread_blkcg+0xd0/0xd0
[ 867.171820][ T28] ret_from_fork+0x1f/0x30
[ 867.176253][ T28] </TASK>
[ 867.179424][ T28] Kernel Offset: disabled
[ 867.183742][ T28] Rebooting in 86400 seconds..