Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. [ 1102.655756][ T5133] loop0: detected capacity change from 0 to 256 [ 1102.662159][ T5135] loop3: detected capacity change from 0 to 256 [ 1102.663610][ T5135] exfat: Deprecated parameter 'utf8' [ 1102.669542][ T5134] loop2: detected capacity change from 0 to 256 [ 1102.679771][ T5136] loop1: detected capacity change from 0 to 256 [ 1102.687509][ T5134] exfat: Deprecated parameter 'utf8' [ 1102.694299][ T5137] loop4: detected capacity change from 0 to 256 [ 1102.699356][ T5138] loop5: detected capacity change from 0 to 256 [ 1102.702980][ T5134] exfat: Deprecated parameter 'utf8' [ 1102.715350][ T5136] exfat: Deprecated parameter 'utf8' [ 1102.715855][ T5133] exfat: Deprecated parameter 'utf8' [ 1102.724041][ T5138] exfat: Deprecated parameter 'utf8' [ 1102.729482][ T5137] exfat: Deprecated parameter 'utf8' [ 1102.732484][ T5135] exfat: Deprecated parameter 'utf8' [ 1102.743179][ T5138] exfat: Deprecated parameter 'utf8' [ 1102.751078][ T5136] exfat: Deprecated parameter 'utf8' [ 1102.754515][ T5134] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d) [ 1102.771565][ T5137] exfat: Deprecated parameter 'utf8' [ 1102.777299][ T5133] exfat: Deprecated parameter 'utf8' [ 1102.784727][ T5138] exFAT-fs (loop5): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d) [ 1102.791045][ T5137] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d) [ 1102.798333][ T5135] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d) [ 1102.812110][ T5133] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d) [ 1102.821032][ T5136] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d) [ 1289.653797][ T28] INFO: task kworker/u4:1:11 blocked for more than 143 seconds. [ 1289.661577][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1289.703776][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1289.712485][ T28] task:kworker/u4:1 state:D stack:18424 pid:11 ppid:2 flags:0x00004000 [ 1289.763810][ T28] Workqueue: writeback wb_workfn (flush-7:2) [ 1289.769961][ T28] Call Trace: [ 1289.773244][ T28] [ 1289.813802][ T28] __schedule+0x995/0xe20 [ 1289.818279][ T28] ? release_firmware_map_entry+0x180/0x180 [ 1289.863784][ T28] ? __mutex_trylock_common+0x8e/0x2f0 [ 1289.869308][ T28] ? blk_check_plugged+0x260/0x260 [ 1289.906580][ T28] ? wq_worker_sleeping+0x5e/0x290 [ 1289.911788][ T28] schedule+0xcb/0x190 [ 1289.943829][ T28] schedule_preempt_disabled+0xf/0x20 [ 1289.949377][ T28] __mutex_lock_common+0xe4f/0x26e0 [ 1289.983823][ T28] ? exfat_write_inode+0x65/0x110 [ 1289.988968][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 1290.023786][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1290.029523][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1290.053856][ T28] mutex_lock_nested+0x17/0x20 [ 1290.058666][ T28] exfat_write_inode+0x65/0x110 [ 1290.063533][ T28] __writeback_single_inode+0x4d6/0x670 [ 1290.103824][ T28] writeback_sb_inodes+0x812/0x1050 [ 1290.109107][ T28] ? queue_io+0x400/0x400 [ 1290.113481][ T28] __writeback_inodes_wb+0x11d/0x260 [ 1290.173777][ T28] wb_writeback+0x440/0x7b0 [ 1290.178372][ T28] ? trace_writeback_exec+0x2c0/0x2c0 [ 1290.223790][ T28] ? _find_next_bit+0x134/0x140 [ 1290.228729][ T28] wb_workfn+0xb3f/0xef0 [ 1290.233013][ T28] ? inode_wait_for_writeback+0x2c0/0x2c0 [ 1290.263798][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1290.269478][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1290.293763][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 1290.299038][ T28] process_one_work+0x877/0xdb0 [ 1290.333805][ T28] ? worker_detach_from_pool+0x260/0x260 [ 1290.339497][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 1290.363811][ T28] ? _raw_spin_lock_irqsave+0x100/0x100 [ 1290.369405][ T28] worker_thread+0xb14/0x1330 [ 1290.403862][ T28] kthread+0x266/0x300 [ 1290.407975][ T28] ? rcu_lock_release+0x20/0x20 [ 1290.463756][ T28] ? kthread_blkcg+0xd0/0xd0 [ 1290.468406][ T28] ret_from_fork+0x1f/0x30 [ 1290.472942][ T28] [ 1290.503854][ T28] INFO: task kworker/u4:2:34 blocked for more than 144 seconds. [ 1290.511528][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1290.553753][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1290.562453][ T28] task:kworker/u4:2 state:D stack:17088 pid:34 ppid:2 flags:0x00004000 [ 1290.613756][ T28] Workqueue: writeback wb_workfn (flush-7:1) [ 1290.619802][ T28] Call Trace: [ 1290.623087][ T28] [ 1290.653759][ T28] __schedule+0x995/0xe20 [ 1290.658164][ T28] ? release_firmware_map_entry+0x180/0x180 [ 1290.693844][ T28] ? __mutex_trylock_common+0x8e/0x2f0 [ 1290.699341][ T28] ? blk_check_plugged+0x260/0x260 [ 1290.743912][ T28] ? wq_worker_sleeping+0x5e/0x290 [ 1290.749073][ T28] schedule+0xcb/0x190 [ 1290.753166][ T28] schedule_preempt_disabled+0xf/0x20 [ 1290.783777][ T28] __mutex_lock_common+0xe4f/0x26e0 [ 1290.789030][ T28] ? exfat_write_inode+0x65/0x110 [ 1290.813792][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 1290.819034][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1290.863756][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1290.869786][ T28] mutex_lock_nested+0x17/0x20 [ 1290.893756][ T28] exfat_write_inode+0x65/0x110 [ 1290.898658][ T28] __writeback_single_inode+0x4d6/0x670 [ 1290.923766][ T28] writeback_sb_inodes+0x812/0x1050 [ 1290.929044][ T28] ? queue_io+0x400/0x400 [ 1290.953820][ T28] __writeback_inodes_wb+0x11d/0x260 [ 1290.959176][ T28] wb_writeback+0x440/0x7b0 [ 1290.993789][ T28] ? trace_writeback_exec+0x2c0/0x2c0 [ 1290.999232][ T28] ? _find_next_bit+0x134/0x140 [ 1291.033767][ T28] wb_workfn+0xb3f/0xef0 [ 1291.038088][ T28] ? inode_wait_for_writeback+0x2c0/0x2c0 [ 1291.063774][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1291.069455][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1291.093770][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 1291.099047][ T28] process_one_work+0x877/0xdb0 [ 1291.133765][ T28] ? trace_lock_release+0x95/0x220 [ 1291.138966][ T28] ? worker_detach_from_pool+0x260/0x260 [ 1291.193807][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 1291.198927][ T28] worker_thread+0xb14/0x1330 [ 1291.203653][ T28] kthread+0x266/0x300 [ 1291.243778][ T28] ? rcu_lock_release+0x20/0x20 [ 1291.248774][ T28] ? kthread_blkcg+0xd0/0xd0 [ 1291.253387][ T28] ret_from_fork+0x1f/0x30 [ 1291.283794][ T28] [ 1291.294059][ T28] INFO: task kworker/u4:5:1065 blocked for more than 145 seconds. [ 1291.301904][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1291.343773][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1291.352485][ T28] task:kworker/u4:5 state:D stack:22144 pid:1065 ppid:2 flags:0x00004000 [ 1291.403777][ T28] Workqueue: writeback wb_workfn (flush-7:4) [ 1291.409818][ T28] Call Trace: [ 1291.413107][ T28] [ 1291.453766][ T28] __schedule+0x995/0xe20 [ 1291.458252][ T28] ? release_firmware_map_entry+0x180/0x180 [ 1291.483784][ T28] ? __mutex_trylock_common+0x8e/0x2f0 [ 1291.489284][ T28] ? blk_check_plugged+0x260/0x260 [ 1291.523824][ T28] ? wq_worker_sleeping+0x5e/0x290 [ 1291.528987][ T28] schedule+0xcb/0x190 [ 1291.533110][ T28] schedule_preempt_disabled+0xf/0x20 [ 1291.583813][ T28] __mutex_lock_common+0xe4f/0x26e0 [ 1291.589075][ T28] ? exfat_write_inode+0x65/0x110 [ 1291.613769][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 1291.619023][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1291.643821][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1291.649943][ T28] mutex_lock_nested+0x17/0x20 [ 1291.683844][ T28] exfat_write_inode+0x65/0x110 [ 1291.688754][ T28] __writeback_single_inode+0x4d6/0x670 [ 1291.743767][ T28] writeback_sb_inodes+0x812/0x1050 [ 1291.749057][ T28] ? queue_io+0x400/0x400 [ 1291.753444][ T28] __writeback_inodes_wb+0x11d/0x260 [ 1291.793768][ T28] wb_writeback+0x440/0x7b0 [ 1291.798343][ T28] ? trace_writeback_exec+0x2c0/0x2c0 [ 1291.833766][ T28] ? _find_next_bit+0x134/0x140 [ 1291.838670][ T28] wb_workfn+0xb3f/0xef0 [ 1291.842950][ T28] ? inode_wait_for_writeback+0x2c0/0x2c0 [ 1291.873774][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1291.879447][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1291.913840][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 1291.919115][ T28] process_one_work+0x877/0xdb0 [ 1291.953784][ T28] ? worker_detach_from_pool+0x260/0x260 [ 1291.959490][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 1291.993907][ T28] ? _raw_spin_lock_irqsave+0x100/0x100 [ 1291.999603][ T28] worker_thread+0xb14/0x1330 [ 1292.033775][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 1292.039738][ T28] kthread+0x266/0x300 [ 1292.063826][ T28] ? rcu_lock_release+0x20/0x20 [ 1292.068816][ T28] ? kthread_blkcg+0xd0/0xd0 [ 1292.073416][ T28] ret_from_fork+0x1f/0x30 [ 1292.103900][ T28] [ 1292.107072][ T28] INFO: task kworker/u4:0:5140 blocked for more than 145 seconds. [ 1292.133821][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1292.141063][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1292.203767][ T28] task:kworker/u4:0 state:D stack:21824 pid:5140 ppid:2 flags:0x00004000 [ 1292.213037][ T28] Workqueue: writeback wb_workfn (flush-7:0) [ 1292.263759][ T28] Call Trace: [ 1292.267103][ T28] [ 1292.270054][ T28] __schedule+0x995/0xe20 [ 1292.303816][ T28] ? release_firmware_map_entry+0x180/0x180 [ 1292.309783][ T28] ? __mutex_trylock_common+0x8e/0x2f0 [ 1292.343760][ T28] ? blk_check_plugged+0x260/0x260 [ 1292.348929][ T28] ? wq_worker_sleeping+0x5e/0x290 [ 1292.383814][ T28] schedule+0xcb/0x190 [ 1292.387957][ T28] schedule_preempt_disabled+0xf/0x20 [ 1292.393364][ T28] __mutex_lock_common+0xe4f/0x26e0 [ 1292.433786][ T28] ? exfat_write_inode+0x65/0x110 [ 1292.438884][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 1292.463769][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1292.469463][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1292.513781][ T28] mutex_lock_nested+0x17/0x20 [ 1292.518599][ T28] exfat_write_inode+0x65/0x110 [ 1292.523472][ T28] __writeback_single_inode+0x4d6/0x670 [ 1292.573780][ T28] writeback_sb_inodes+0x812/0x1050 [ 1292.579075][ T28] ? queue_io+0x400/0x400 [ 1292.583452][ T28] __writeback_inodes_wb+0x11d/0x260 [ 1292.613766][ T28] wb_writeback+0x440/0x7b0 [ 1292.618334][ T28] ? trace_writeback_exec+0x2c0/0x2c0 [ 1292.643775][ T28] ? _find_next_bit+0x134/0x140 [ 1292.648681][ T28] wb_workfn+0xb3f/0xef0 [ 1292.652969][ T28] ? inode_wait_for_writeback+0x2c0/0x2c0 [ 1292.693806][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1292.699491][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1292.743775][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 1292.749031][ T28] process_one_work+0x877/0xdb0 [ 1292.783789][ T28] ? worker_detach_from_pool+0x260/0x260 [ 1292.789567][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 1292.813756][ T28] ? _raw_spin_lock_irqsave+0x100/0x100 [ 1292.819363][ T28] worker_thread+0xb14/0x1330 [ 1292.843794][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 1292.849748][ T28] kthread+0x266/0x300 [ 1292.873780][ T28] ? rcu_lock_release+0x20/0x20 [ 1292.878677][ T28] ? kthread_blkcg+0xd0/0xd0 [ 1292.883287][ T28] ret_from_fork+0x1f/0x30 [ 1292.923778][ T28] [ 1292.926863][ T28] INFO: task kworker/u4:3:5145 blocked for more than 146 seconds. [ 1292.963774][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1292.971002][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1293.013753][ T28] task:kworker/u4:3 state:D stack:22144 pid:5145 ppid:2 flags:0x00004000 [ 1293.023008][ T28] Workqueue: writeback wb_workfn (flush-7:3) [ 1293.073755][ T28] Call Trace: [ 1293.077074][ T28] [ 1293.080018][ T28] __schedule+0x995/0xe20 [ 1293.113788][ T28] ? release_firmware_map_entry+0x180/0x180 [ 1293.119739][ T28] ? __mutex_trylock_common+0x8e/0x2f0 [ 1293.143797][ T28] ? blk_check_plugged+0x260/0x260 [ 1293.148974][ T28] ? wq_worker_sleeping+0x5e/0x290 [ 1293.173809][ T28] schedule+0xcb/0x190 [ 1293.177975][ T28] schedule_preempt_disabled+0xf/0x20 [ 1293.183390][ T28] __mutex_lock_common+0xe4f/0x26e0 [ 1293.243804][ T28] ? exfat_write_inode+0x65/0x110 [ 1293.248893][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 1293.283784][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1293.289560][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1293.343781][ T28] mutex_lock_nested+0x17/0x20 [ 1293.348610][ T28] exfat_write_inode+0x65/0x110 [ 1293.353480][ T28] __writeback_single_inode+0x4d6/0x670 [ 1293.393766][ T28] writeback_sb_inodes+0x812/0x1050 [ 1293.399064][ T28] ? queue_io+0x400/0x400 [ 1293.403444][ T28] __writeback_inodes_wb+0x11d/0x260 [ 1293.443774][ T28] wb_writeback+0x440/0x7b0 [ 1293.448371][ T28] ? trace_writeback_exec+0x2c0/0x2c0 [ 1293.473780][ T28] ? _find_next_bit+0x134/0x140 [ 1293.479170][ T28] wb_workfn+0xb3f/0xef0 [ 1293.483476][ T28] ? inode_wait_for_writeback+0x2c0/0x2c0 [ 1293.543781][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1293.549475][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1293.583797][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 1293.589081][ T28] process_one_work+0x877/0xdb0 [ 1293.613769][ T28] ? trace_lock_release+0x95/0x220 [ 1293.618946][ T28] ? worker_detach_from_pool+0x260/0x260 [ 1293.643769][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 1293.648853][ T28] worker_thread+0xb14/0x1330 [ 1293.653575][ T28] kthread+0x266/0x300 [ 1293.683756][ T28] ? rcu_lock_release+0x20/0x20 [ 1293.688649][ T28] ? kthread_blkcg+0xd0/0xd0 [ 1293.693251][ T28] ret_from_fork+0x1f/0x30 [ 1293.753790][ T28] [ 1293.756889][ T28] INFO: task kworker/u4:4:5146 blocked for more than 147 seconds. [ 1293.783779][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1293.791003][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1293.823753][ T28] task:kworker/u4:4 state:D stack:22144 pid:5146 ppid:2 flags:0x00004000 [ 1293.833001][ T28] Workqueue: writeback wb_workfn (flush-7:5) [ 1293.883776][ T28] Call Trace: [ 1293.887111][ T28] [ 1293.890063][ T28] __schedule+0x995/0xe20 [ 1293.933775][ T28] ? release_firmware_map_entry+0x180/0x180 [ 1293.939728][ T28] ? __mutex_trylock_common+0x8e/0x2f0 [ 1293.983810][ T28] ? blk_check_plugged+0x260/0x260 [ 1293.988990][ T28] ? wq_worker_sleeping+0x5e/0x290 [ 1294.013768][ T28] schedule+0xcb/0x190 [ 1294.017907][ T28] schedule_preempt_disabled+0xf/0x20 [ 1294.023342][ T28] __mutex_lock_common+0xe4f/0x26e0 [ 1294.053991][ T28] ? exfat_write_inode+0x65/0x110 [ 1294.059080][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 1294.093768][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1294.099455][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1294.143801][ T28] mutex_lock_nested+0x17/0x20 [ 1294.148673][ T28] exfat_write_inode+0x65/0x110 [ 1294.153652][ T28] __writeback_single_inode+0x4d6/0x670 [ 1294.183794][ T28] writeback_sb_inodes+0x812/0x1050 [ 1294.189083][ T28] ? queue_io+0x400/0x400 [ 1294.193464][ T28] __writeback_inodes_wb+0x11d/0x260 [ 1294.243794][ T28] wb_writeback+0x440/0x7b0 [ 1294.248375][ T28] ? trace_writeback_exec+0x2c0/0x2c0 [ 1294.283796][ T28] ? _find_next_bit+0x134/0x140 [ 1294.288707][ T28] wb_workfn+0xb3f/0xef0 [ 1294.292990][ T28] ? inode_wait_for_writeback+0x2c0/0x2c0 [ 1294.333781][ T28] ? rcu_read_lock_sched_held+0x87/0x110 [ 1294.339468][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1294.363784][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 1294.369043][ T28] process_one_work+0x877/0xdb0 [ 1294.393766][ T28] ? trace_lock_release+0x95/0x220 [ 1294.398930][ T28] ? worker_detach_from_pool+0x260/0x260 [ 1294.443794][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 1294.448968][ T28] worker_thread+0xb14/0x1330 [ 1294.453696][ T28] kthread+0x266/0x300 [ 1294.477858][ T28] ? rcu_lock_release+0x20/0x20 [ 1294.482727][ T28] ? kthread_blkcg+0xd0/0xd0 [ 1294.513807][ T28] ret_from_fork+0x1f/0x30 [ 1294.518297][ T28] [ 1294.553760][ T28] [ 1294.553760][ T28] Showing all locks held in the system: [ 1294.561516][ T28] 4 locks held by kworker/u4:1/11: [ 1294.593758][ T28] #0: ffff8881451dc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 [ 1294.623797][ T28] #1: ffffc90000107d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 [ 1294.673758][ T28] #2: ffff88802bc260e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x1b/0xf0 [ 1294.713755][ T28] #3: ffff888079e060e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x65/0x110 [ 1294.723305][ T28] 1 lock held by rcu_tasks_kthre/12: [ 1294.773753][ T28] #0: ffffffff8d326e50 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 1294.813754][ T28] 1 lock held by rcu_tasks_trace/13: [ 1294.819077][ T28] #0: ffffffff8d327650 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 1294.873757][ T28] 1 lock held by khungtaskd/28: [ 1294.878644][ T28] #0: ffffffff8d326c80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 1294.913790][ T28] 4 locks held by kworker/u4:2/34: [ 1294.918933][ T28] #0: ffff8881451dc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 [ 1294.983784][ T28] #1: ffffc90000ab7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 [ 1295.043834][ T28] #2: ffff888022bd40e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x1b/0xf0 [ 1295.073763][ T28] #3: ffff88807a1c40e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x65/0x110 [ 1295.083341][ T28] 4 locks held by kworker/u4:5/1065: [ 1295.113788][ T28] #0: ffff8881451dc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 [ 1295.153764][ T28] #1: ffffc900056dfd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 [ 1295.203783][ T28] #2: ffff8880756600e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x1b/0xf0 [ 1295.233759][ T28] #3: ffff88802b40c0e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x65/0x110 [ 1295.243331][ T28] 2 locks held by getty/4750: [ 1295.273757][ T28] #0: ffff888028235098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 1295.283636][ T28] #1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 [ 1295.343765][ T28] 6 locks held by syz-executor402/5133: [ 1295.349351][ T28] 6 locks held by syz-executor402/5134: [ 1295.393779][ T28] 6 locks held by syz-executor402/5135: [ 1295.399358][ T28] 6 locks held by syz-executor402/5136: [ 1295.443765][ T28] 6 locks held by syz-executor402/5137: [ 1295.449355][ T28] 6 locks held by syz-executor402/5138: [ 1295.473934][ T28] 4 locks held by kworker/u4:0/5140: [ 1295.480811][ T28] #0: ffff8881451dc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 [ 1295.523758][ T28] #1: ffffc90003effd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 [ 1295.583854][ T28] #2: ffff8880756620e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x1b/0xf0 [ 1295.623755][ T28] #3: ffff88807f4ae0e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x65/0x110 [ 1295.633312][ T28] 4 locks held by kworker/u4:3/5145: [ 1295.663773][ T28] #0: ffff8881451dc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 [ 1295.713754][ T28] #1: ffffc90003f1fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 [ 1295.763753][ T28] #2: ffff8880757220e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x1b/0xf0 [ 1295.803752][ T28] #3: ffff88802b6100e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x65/0x110 [ 1295.813304][ T28] 4 locks held by kworker/u4:4/5146: [ 1295.853753][ T28] #0: ffff8881451dc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 [ 1295.883753][ T28] #1: ffffc90003f3fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 [ 1295.923753][ T28] #2: ffff88802bda60e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x1b/0xf0 [ 1295.963777][ T28] #3: ffff88807bd960e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x65/0x110 [ 1295.973374][ T28] [ 1296.013754][ T28] ============================================= [ 1296.013754][ T28] [ 1296.022205][ T28] NMI backtrace for cpu 0 [ 1296.026533][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1296.035993][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1296.046049][ T28] Call Trace: [ 1296.049338][ T28] [ 1296.052366][ T28] dump_stack_lvl+0x1b1/0x290 [ 1296.057179][ T28] ? nf_tcp_handle_invalid+0x630/0x630 [ 1296.062646][ T28] ? panic+0x710/0x710 [ 1296.066730][ T28] ? nmi_cpu_backtrace+0x205/0x4f0 [ 1296.071873][ T28] nmi_cpu_backtrace+0x46f/0x4f0 [ 1296.076835][ T28] ? vprintk_emit+0x109/0x1e0 [ 1296.081560][ T28] ? nmi_trigger_cpumask_backtrace+0x420/0x420 [ 1296.087713][ T28] ? _printk+0xc0/0x100 [ 1296.091871][ T28] ? panic+0x710/0x710 [ 1296.095933][ T28] ? __wake_up_klogd+0xcd/0x100 [ 1296.100781][ T28] ? panic+0x710/0x710 [ 1296.104843][ T28] ? nmi_trigger_cpumask_backtrace+0xc9/0x420 [ 1296.110906][ T28] nmi_trigger_cpumask_backtrace+0x1ba/0x420 [ 1296.116879][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 1296.122989][ T28] watchdog+0xcd5/0xd20 [ 1296.127263][ T28] kthread+0x266/0x300 [ 1296.131326][ T28] ? hungtask_pm_notify+0x50/0x50 [ 1296.136366][ T28] ? kthread_blkcg+0xd0/0xd0 [ 1296.140968][ T28] ret_from_fork+0x1f/0x30 [ 1296.145393][ T28] [ 1296.148563][ T28] Sending NMI from CPU 0 to CPUs 1: [ 1296.153841][ C1] NMI backtrace for cpu 1 [ 1296.153850][ C1] CPU: 1 PID: 5133 Comm: syz-executor402 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1296.153865][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1296.153872][ C1] RIP: 0010:exfat_clear_bitmap+0x85/0x5b0 [ 1296.153935][ C1] Code: e8 30 e2 84 ff 4c 8b 3b bf 01 00 00 00 44 89 e6 e8 40 4a 2f ff 41 83 fc 01 0f 86 cb 01 00 00 49 8d 5f 08 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 78 03 00 00 8b 1b 89 df 44 89 e6 e8 93 47 [ 1296.153946][ C1] RSP: 0018:ffffc90003b1f838 EFLAGS: 00000a02 [ 1296.153958][ C1] RAX: 1ffff1100fe95c01 RBX: ffff88807f4ae008 RCX: 0000000000000000 [ 1296.153968][ C1] RDX: ffff88801f718000 RSI: 000000003c2e4184 RDI: 0000000000000001 [ 1296.153976][ C1] RBP: ffff888075662000 R08: ffffffff825c8fa0 R09: ffffed100e7265b4 [ 1296.153986][ C1] R10: ffffed100e7265b4 R11: 1ffff1100e7265b3 R12: 000000003c2e4184 [ 1296.153995][ C1] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807f4ae000 [ 1296.154004][ C1] FS: 000055555561c300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 1296.154015][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1296.154024][ C1] CR2: 000055d87a197600 CR3: 000000007e2a5000 CR4: 00000000003506e0 [ 1296.154036][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1296.154043][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1296.154051][ C1] Call Trace: [ 1296.154056][ C1] [ 1296.154060][ C1] ? __exfat_free_cluster+0x340/0x9c0 [ 1296.154084][ C1] __exfat_free_cluster+0x470/0x9c0 [ 1296.154109][ C1] ? exfat_free_cluster+0xc0/0xc0 [ 1296.154133][ C1] exfat_free_cluster+0x73/0xc0 [ 1296.154153][ C1] __exfat_truncate+0x67e/0x980 [ 1296.154169][ C1] ? exfat_chain_dup+0x160/0x160 [ 1296.154181][ C1] ? bit_waitqueue+0x13/0x30 [ 1296.154227][ C1] exfat_evict_inode+0xce/0x270 [ 1296.154250][ C1] ? exfat_build_inode+0x10a0/0x10a0 [ 1296.154268][ C1] evict+0x2a4/0x620 [ 1296.154292][ C1] __dentry_kill+0x3b1/0x5b0 [ 1296.154330][ C1] dentry_kill+0xbb/0x290 [ 1296.154348][ C1] dput+0x1f3/0x410 [ 1296.154365][ C1] do_renameat2+0xabf/0x12d0 [ 1296.154378][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1296.154404][ C1] ? fsnotify_move+0x4e0/0x4e0 [ 1296.154419][ C1] ? check_heap_object+0x244/0x810 [ 1296.154439][ C1] ? __phys_addr_symbol+0x2b/0x70 [ 1296.154477][ C1] ? strncpy_from_user+0x1d6/0x330 [ 1296.154530][ C1] ? getname_flags+0x1ea/0x4e0 [ 1296.154547][ C1] ? lockdep_hardirqs_on+0x8d/0x130 [ 1296.154567][ C1] __x64_sys_rename+0x82/0x90 [ 1296.154579][ C1] do_syscall_64+0x3d/0xb0 [ 1296.154594][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 1296.154643][ C1] RIP: 0033:0x7fe1e540ea79 [ 1296.154654][ 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 [ 1296.154665][ C1] RSP: 002b:00007fff21223158 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 1296.154678][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe1e540ea79 [ 1296.154687][ C1] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040 [ 1296.154695][ C1] RBP: 0000000000000000 R08: 00007fff21223180 R09: 00007fff21223180 [ 1296.154704][ C1] R10: 00007fff21223030 R11: 0000000000000246 R12: 00007fe1e53cd890 [ 1296.154712][ C1] R13: 00007fff212231b0 R14: 00007fff21223190 R15: 0000000000000000 [ 1296.154728][ C1] [ 1296.573762][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 1296.580653][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1296.590108][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1296.600160][ T28] Call Trace: [ 1296.603443][ T28] [ 1296.606378][ T28] dump_stack_lvl+0x1b1/0x290 [ 1296.611068][ T28] ? nf_tcp_handle_invalid+0x630/0x630 [ 1296.616531][ T28] ? panic+0x710/0x710 [ 1296.620614][ T28] ? vscnprintf+0x59/0x80 [ 1296.624958][ T28] panic+0x2d6/0x710 [ 1296.628859][ T28] ? schedule_preempt_disabled+0x20/0x20 [ 1296.634501][ T28] ? nmi_trigger_cpumask_backtrace+0x2d0/0x420 [ 1296.640661][ T28] ? memcpy_page_flushcache+0x100/0x100 [ 1296.646218][ T28] ? nmi_trigger_cpumask_backtrace+0x2d0/0x420 [ 1296.652378][ T28] ? nmi_trigger_cpumask_backtrace+0x34e/0x420 [ 1296.658538][ T28] ? nmi_trigger_cpumask_backtrace+0x353/0x420 [ 1296.664694][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 1296.670772][ T28] watchdog+0xd15/0xd20 [ 1296.674950][ T28] kthread+0x266/0x300 [ 1296.679021][ T28] ? hungtask_pm_notify+0x50/0x50 [ 1296.684051][ T28] ? kthread_blkcg+0xd0/0xd0 [ 1296.688656][ T28] ret_from_fork+0x1f/0x30 [ 1296.693097][ T28] [ 1296.696168][ T28] Kernel Offset: disabled [ 1296.700544][ T28] Rebooting in 86400 seconds..