Warning: Permanently added '10.128.10.0' (ED25519) to the list of known hosts. executing program [ 100.144400][ T4252] loop0: detected capacity change from 0 to 512 [ 100.162889][ T4252] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 100.368233][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 100.571108][ T4257] loop0: detected capacity change from 0 to 512 [ 100.583307][ T4257] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 100.782085][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 100.976916][ T4261] loop0: detected capacity change from 0 to 512 [ 100.995904][ T4261] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 101.189645][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 101.380231][ T4265] loop0: detected capacity change from 0 to 512 [ 101.391294][ T4265] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 101.584543][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 101.777101][ T4269] loop0: detected capacity change from 0 to 512 [ 101.788333][ T4269] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 101.981913][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 102.181037][ T4273] loop0: detected capacity change from 0 to 512 [ 102.192309][ T4273] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 102.391835][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 102.592295][ T4277] loop0: detected capacity change from 0 to 512 [ 102.603448][ T4277] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 102.801884][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 102.995931][ T4281] loop0: detected capacity change from 0 to 512 [ 103.013381][ T4281] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 103.208893][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 103.403873][ T4285] loop0: detected capacity change from 0 to 512 [ 103.415044][ T4285] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 103.608477][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 103.802187][ T4289] loop0: detected capacity change from 0 to 512 [ 103.814233][ T4289] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 104.010331][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 104.201927][ T4293] loop0: detected capacity change from 0 to 512 [ 104.213606][ T4293] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 104.404880][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 104.605930][ T4298] loop0: detected capacity change from 0 to 512 [ 104.622124][ T4298] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 104.814987][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 105.017984][ T4302] loop0: detected capacity change from 0 to 512 [ 105.028754][ T4302] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 105.222519][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 105.413848][ T4306] loop0: detected capacity change from 0 to 512 [ 105.427188][ T4306] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 105.626754][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 105.820197][ T4311] loop0: detected capacity change from 0 to 512 [ 105.831318][ T4311] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 106.031085][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 106.227824][ T4315] loop0: detected capacity change from 0 to 512 [ 106.239056][ T4315] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 106.432247][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 106.624914][ T4319] loop0: detected capacity change from 0 to 512 [ 106.635985][ T4319] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 106.837241][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 107.041058][ T4323] loop0: detected capacity change from 0 to 512 [ 107.052363][ T4323] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 107.245423][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 107.439971][ T4327] loop0: detected capacity change from 0 to 512 [ 107.453151][ T4327] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 107.655672][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 107.852311][ T4331] loop0: detected capacity change from 0 to 512 [ 107.864312][ T4331] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 108.057881][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 108.252088][ T4336] loop0: detected capacity change from 0 to 512 [ 108.262935][ T4336] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 108.463009][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 108.656939][ T4340] loop0: detected capacity change from 0 to 512 [ 108.667879][ T4340] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 108.869201][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 109.078835][ T4345] loop0: detected capacity change from 0 to 512 [ 109.090397][ T4345] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 109.284877][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 109.479753][ T4351] loop0: detected capacity change from 0 to 512 [ 109.491602][ T4351] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 109.689464][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 109.888748][ T4355] loop0: detected capacity change from 0 to 512 [ 109.899871][ T4355] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 110.103191][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 110.301889][ T4360] loop0: detected capacity change from 0 to 512 [ 110.312991][ T4360] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 110.511747][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 110.705875][ T4365] loop0: detected capacity change from 0 to 512 [ 110.717009][ T4365] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 110.911305][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 111.103911][ T4371] loop0: detected capacity change from 0 to 512 [ 111.126204][ T4371] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 111.325042][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 111.529880][ T4375] loop0: detected capacity change from 0 to 512 [ 111.540954][ T4375] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 111.744753][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 111.934745][ T4379] loop0: detected capacity change from 0 to 512 [ 111.945790][ T4379] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 112.139367][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 112.339887][ T4384] loop0: detected capacity change from 0 to 512 [ 112.351328][ T4384] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 112.558353][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 112.752323][ T4388] loop0: detected capacity change from 0 to 512 [ 112.764619][ T4388] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 112.957658][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 113.155035][ T4392] loop0: detected capacity change from 0 to 512 executing program [ 113.536913][ T4396] loop0: detected capacity change from 0 to 512 executing program [ 113.934052][ T4400] loop0: detected capacity change from 0 to 512 executing program [ 114.333100][ T4404] loop0: detected capacity change from 0 to 512 executing program [ 114.715944][ T4408] loop0: detected capacity change from 0 to 512 executing program [ 115.103046][ T4412] loop0: detected capacity change from 0 to 512 executing program [ 115.488015][ T4416] loop0: detected capacity change from 0 to 512 executing program [ 115.875970][ T4420] loop0: detected capacity change from 0 to 512 executing program [ 116.263101][ T4424] loop0: detected capacity change from 0 to 512 executing program [ 116.651150][ T4428] loop0: detected capacity change from 0 to 512 executing program [ 117.032206][ T4432] loop0: detected capacity change from 0 to 512 executing program [ 117.418037][ T4436] loop0: detected capacity change from 0 to 512 executing program [ 117.807989][ T4440] loop0: detected capacity change from 0 to 512 executing program [ 118.212999][ T4444] loop0: detected capacity change from 0 to 512 executing program [ 118.604985][ T4448] loop0: detected capacity change from 0 to 512 executing program [ 119.002005][ T4452] loop0: detected capacity change from 0 to 512 executing program [ 119.385601][ T4456] loop0: detected capacity change from 0 to 512 executing program [ 119.774675][ T4460] loop0: detected capacity change from 0 to 512 executing program [ 120.170369][ T4464] loop0: detected capacity change from 0 to 512 executing program [ 120.562139][ T4468] loop0: detected capacity change from 0 to 512 executing program [ 120.950094][ T4473] loop0: detected capacity change from 0 to 512 executing program [ 121.329877][ T4477] loop0: detected capacity change from 0 to 512 executing program [ 121.716855][ T4481] loop0: detected capacity change from 0 to 512 executing program [ 122.096002][ T4485] loop0: detected capacity change from 0 to 512 executing program [ 122.474943][ T4489] loop0: detected capacity change from 0 to 512 executing program [ 122.860907][ T4493] loop0: detected capacity change from 0 to 512 executing program [ 123.239830][ T4498] loop0: detected capacity change from 0 to 512 executing program [ 123.634993][ T4502] loop0: detected capacity change from 0 to 512 executing program [ 124.036788][ T4506] loop0: detected capacity change from 0 to 512 executing program [ 124.431831][ T4510] loop0: detected capacity change from 0 to 512 executing program [ 124.825955][ T4514] loop0: detected capacity change from 0 to 512 executing program [ 125.211941][ T4519] loop0: detected capacity change from 0 to 512 executing program [ 125.611211][ T4523] loop0: detected capacity change from 0 to 512 executing program [ 126.003935][ T4527] loop0: detected capacity change from 0 to 512 executing program [ 126.403934][ T4531] loop0: detected capacity change from 0 to 512 executing program [ 126.787045][ T4535] loop0: detected capacity change from 0 to 512 executing program [ 127.176800][ T4540] loop0: detected capacity change from 0 to 512 executing program [ 127.559830][ T4544] loop0: detected capacity change from 0 to 512 executing program [ 127.949102][ T4548] loop0: detected capacity change from 0 to 512 executing program [ 128.336760][ T4552] loop0: detected capacity change from 0 to 512 executing program [ 128.711782][ T4556] loop0: detected capacity change from 0 to 512 executing program [ 129.102105][ T4560] loop0: detected capacity change from 0 to 512 executing program [ 129.500120][ T4565] loop0: detected capacity change from 0 to 512 executing program [ 129.889810][ T4569] loop0: detected capacity change from 0 to 512 executing program [ 130.273261][ T4573] loop0: detected capacity change from 0 to 512 [ 130.285166][ T4573] EXT4-fs mount: 88 callbacks suppressed [ 130.285184][ T4573] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 130.487735][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 130.686988][ T4577] loop0: detected capacity change from 0 to 512 [ 130.697834][ T4577] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 130.891410][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 131.083207][ T4581] loop0: detected capacity change from 0 to 512 [ 131.094397][ T4581] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 131.289238][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 131.486017][ T4585] loop0: detected capacity change from 0 to 512 [ 131.496962][ T4585] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 131.690275][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 131.887108][ T4589] loop0: detected capacity change from 0 to 512 [ 131.898041][ T4589] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 132.091239][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 132.285995][ T4593] loop0: detected capacity change from 0 to 512 [ 132.297050][ T4593] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 132.489866][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 132.691133][ T4597] loop0: detected capacity change from 0 to 512 [ 132.701974][ T4597] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 132.894585][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 133.097804][ T4601] loop0: detected capacity change from 0 to 512 [ 133.108441][ T4601] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 133.304524][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 133.499921][ T4605] loop0: detected capacity change from 0 to 512 [ 133.511362][ T4605] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 133.704254][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 133.897124][ T4609] loop0: detected capacity change from 0 to 512 [ 133.908170][ T4609] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 134.103092][ T4248] EXT4-fs (loop0): unmounting filesystem. [ 134.307010][ T4613] loop0: detected capacity change from 0 to 512 [ 134.318596][ T4613] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 284.030219][ T28] INFO: task syz-executor329:4248 blocked for more than 143 seconds. [ 284.038604][ T28] Not tainted 6.1.128-syzkaller #0 [ 284.046041][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.054978][ T28] task:syz-executor329 state:D stack:23880 pid:4248 ppid:4245 flags:0x00004002 [ 284.064451][ T28] Call Trace: [ 284.067749][ T28] [ 284.070918][ T28] __schedule+0x143f/0x4570 [ 284.075508][ T28] ? release_firmware_map_entry+0x186/0x186 [ 284.081638][ T28] ? print_irqtrace_events+0x210/0x210 [ 284.087131][ T28] ? _raw_spin_lock_irq+0xdb/0x110 [ 284.092509][ T28] ? do_raw_spin_unlock+0x137/0x8a0 [ 284.097743][ T28] schedule+0xbf/0x180 [ 284.102064][ T28] rwsem_down_write_slowpath+0xea1/0x14b0 [ 284.107820][ T28] ? rwsem_down_write_slowpath+0x9e3/0x14b0 [ 284.113999][ T28] ? down_write_killable_nested+0x90/0x90 [ 284.119754][ T28] ? read_lock_is_recursive+0x10/0x10 [ 284.125405][ T28] ? rwsem_write_trylock+0x166/0x210 [ 284.130874][ T28] ? clear_nonspinnable+0x60/0x60 [ 284.135930][ T28] ? do_raw_spin_unlock+0x137/0x8a0 [ 284.141497][ T28] ? task_work_run+0x1fc/0x300 [ 284.146367][ T28] deactivate_super+0xa9/0xe0 [ 284.151486][ T28] cleanup_mnt+0x490/0x520 [ 284.155952][ T28] ? lockdep_hardirqs_on+0x94/0x130 [ 284.161858][ T28] task_work_run+0x246/0x300 [ 284.166505][ T28] ? task_work_cancel+0x2e0/0x2e0 [ 284.171893][ T28] ? exit_to_user_mode_loop+0x39/0x100 [ 284.177387][ T28] exit_to_user_mode_loop+0xde/0x100 [ 284.183007][ T28] exit_to_user_mode_prepare+0xb1/0x140 [ 284.188592][ T28] syscall_exit_to_user_mode+0x60/0x270 [ 284.194637][ T28] do_syscall_64+0x47/0xb0 [ 284.199082][ T28] ? clear_bhb_loop+0x45/0xa0 [ 284.204213][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 284.210851][ T28] RIP: 0033:0x7fcb54d8a467 [ 284.215314][ T28] RSP: 002b:00007ffd26d97e68 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 284.224137][ T28] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcb54d8a467 [ 284.232379][ T28] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd26d97f20 [ 284.240601][ T28] RBP: 00007ffd26d97f20 R08: 0000000000000000 R09: 0000000000000000 [ 284.248597][ T28] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd26d98fd0 [ 284.256927][ T28] R13: 000055556228c700 R14: 431bde82d7b634db R15: 00007ffd26d98f74 [ 284.265178][ T28] [ 284.268290][ T28] [ 284.268290][ T28] Showing all locks held in the system: [ 284.276611][ T28] 1 lock held by rcu_tasks_kthre/12: [ 284.282472][ T28] #0: ffffffff8d32b290 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 284.293251][ T28] 1 lock held by rcu_tasks_trace/13: [ 284.298551][ T28] #0: ffffffff8d32ba90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 284.309984][ T28] 1 lock held by khungtaskd/28: [ 284.314852][ T28] #0: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 [ 284.325114][ T28] 2 locks held by getty/4007: [ 284.329820][ T28] #0: ffff88803125a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 284.340123][ T28] #1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 [ 284.350526][ T28] 1 lock held by syz-executor329/4248: [ 284.356021][ T28] #0: ffff88807dd380e0 (&type->s_umount_key#31){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 [ 284.366711][ T28] 2 locks held by ext4lazyinit/4615: [ 284.372291][ T28] [ 284.374638][ T28] ============================================= [ 284.374638][ T28] [ 284.383492][ T28] NMI backtrace for cpu 0 [ 284.387857][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.128-syzkaller #0 [ 284.395763][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 284.405861][ T28] Call Trace: [ 284.409152][ T28] [ 284.412095][ T28] dump_stack_lvl+0x1e3/0x2cb [ 284.416794][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 284.422274][ T28] ? panic+0x764/0x764 [ 284.426359][ T28] ? vprintk_emit+0x622/0x740 [ 284.431068][ T28] ? printk_sprint+0x490/0x490 [ 284.435890][ T28] ? nmi_cpu_backtrace+0x252/0x560 [ 284.441024][ T28] nmi_cpu_backtrace+0x4e1/0x560 [ 284.445990][ T28] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 284.452162][ T28] ? _printk+0xd1/0x111 [ 284.456344][ T28] ? panic+0x764/0x764 [ 284.460436][ T28] ? __wake_up_klogd+0xcc/0x100 [ 284.465308][ T28] ? panic+0x764/0x764 [ 284.469399][ T28] ? nmi_trigger_cpumask_backtrace+0xe0/0x3f0 [ 284.475488][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 284.481575][ T28] nmi_trigger_cpumask_backtrace+0x1ae/0x3f0 [ 284.487575][ T28] watchdog+0xf88/0xfd0 [ 284.491760][ T28] ? watchdog+0x1f8/0xfd0 [ 284.496120][ T28] kthread+0x28d/0x320 [ 284.500211][ T28] ? hungtask_pm_notify+0x50/0x50 [ 284.505289][ T28] ? kthread_blkcg+0xd0/0xd0 [ 284.509897][ T28] ret_from_fork+0x1f/0x30 [ 284.514352][ T28] [ 284.517495][ T28] Sending NMI from CPU 0 to CPUs 1: [ 284.522758][ C1] NMI backtrace for cpu 1 [ 284.522772][ C1] CPU: 1 PID: 4615 Comm: ext4lazyinit Not tainted 6.1.128-syzkaller #0 [ 284.522789][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 284.522798][ C1] RIP: 0010:preempt_count_add+0x0/0x180 [ 284.522822][ C1] Code: 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 7c 97 48 8b 3c 24 e8 73 a1 83 00 eb 8c e9 f2 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 <41> 57 41 56 53 89 fb 48 c7 c0 60 71 35 97 48 c1 e8 03 49 bf 00 00 [ 284.522839][ C1] RSP: 0018:ffffc90004be7a28 EFLAGS: 00000282 [ 284.522853][ C1] RAX: ffffea0001d363c0 RBX: ffff888148c8cbc8 RCX: ffff88802b46bb80 [ 284.522866][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 284.522875][ C1] RBP: ffffc90004be7b78 R08: ffffffff81bb4446 R09: fffff940003a6c79 [ 284.522887][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888148c8cbc8 [ 284.522898][ C1] R13: ffffea0001d363c0 R14: 1ffff11029191913 R15: ffff888148c8c89a [ 284.522910][ C1] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 284.522923][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 284.522934][ C1] CR2: 000055636b4e4600 CR3: 000000007eaa4000 CR4: 00000000003506e0 [ 284.522948][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 284.522957][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 284.522967][ C1] Call Trace: [ 284.522973][ C1] [ 284.522979][ C1] ? nmi_cpu_backtrace+0x3de/0x560 [ 284.522996][ C1] ? read_lock_is_recursive+0x10/0x10 [ 284.523022][ C1] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 284.523038][ C1] ? nmi_handle+0x25/0x440 [ 284.523071][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 284.523086][ C1] ? nmi_handle+0x12e/0x440 [ 284.523110][ C1] ? nmi_handle+0x25/0x440 [ 284.523134][ C1] ? raw_spin_rq_lock_nested+0x140/0x140 [ 284.523154][ C1] ? default_do_nmi+0x62/0x150 [ 284.523172][ C1] ? exc_nmi+0xa8/0x100 [ 284.523187][ C1] ? end_repeat_nmi+0x16/0x31 [ 284.523206][ C1] ? pagecache_get_page+0x116/0x250 [ 284.523255][ C1] ? raw_spin_rq_lock_nested+0x140/0x140 [ 284.523277][ C1] ? raw_spin_rq_lock_nested+0x140/0x140 [ 284.523299][ C1] ? raw_spin_rq_lock_nested+0x140/0x140 [ 284.523321][ C1] [ 284.523325][ C1] [ 284.523330][ C1] _raw_spin_lock+0xe/0x40 [ 284.523352][ C1] __find_get_block+0x3f8/0x1120 [ 284.523372][ C1] ? write_boundary_block+0xb0/0xb0 [ 284.523392][ C1] ? PageUptodate+0xd9/0x290 [ 284.523413][ C1] __getblk_gfp+0x146/0xa20 [ 284.523435][ C1] ext4_read_block_bitmap_nowait+0x1ff/0x980 [ 284.523460][ C1] ext4_mb_prefetch+0x46d/0x640 [ 284.523488][ C1] ? mb_set_bits+0x110/0x110 [ 284.523513][ C1] ? rcu_read_lock_bh_held+0x110/0x110 [ 284.523535][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 284.523557][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 284.523580][ C1] ext4_lazyinit_thread+0x54d/0x1ad0 [ 284.523615][ C1] ? kthread+0x28d/0x320 [ 284.523629][ C1] ? ext4_journalled_writepage_callback+0x200/0x200 [ 284.523658][ C1] ? __kthread_parkme+0x168/0x1c0 [ 284.523685][ C1] kthread+0x28d/0x320 [ 284.523699][ C1] ? ext4_journalled_writepage_callback+0x200/0x200 [ 284.523725][ C1] ? kthread_blkcg+0xd0/0xd0 [ 284.523741][ C1] ret_from_fork+0x1f/0x30 [ 284.523770][ C1] [ 284.845622][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 284.852485][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.128-syzkaller #0 [ 284.860391][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 284.870456][ T28] Call Trace: [ 284.873745][ T28] [ 284.876703][ T28] dump_stack_lvl+0x1e3/0x2cb [ 284.881406][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 284.887004][ T28] ? panic+0x764/0x764 [ 284.891098][ T28] ? llist_add_batch+0x160/0x1d0 [ 284.896071][ T28] ? vscnprintf+0x59/0x80 [ 284.900695][ T28] panic+0x318/0x764 [ 284.904617][ T28] ? nmi_trigger_cpumask_backtrace+0x2bf/0x3f0 [ 284.910788][ T28] ? memcpy_page_flushcache+0xfc/0xfc [ 284.916189][ T28] ? nmi_trigger_cpumask_backtrace+0x2bf/0x3f0 [ 284.922364][ T28] ? nmi_trigger_cpumask_backtrace+0x338/0x3f0 [ 284.928540][ T28] ? nmi_trigger_cpumask_backtrace+0x33d/0x3f0 [ 284.934711][ T28] watchdog+0xfc7/0xfd0 [ 284.938897][ T28] ? watchdog+0x1f8/0xfd0 [ 284.943253][ T28] kthread+0x28d/0x320 [ 284.947329][ T28] ? hungtask_pm_notify+0x50/0x50 [ 284.952371][ T28] ? kthread_blkcg+0xd0/0xd0 [ 284.956990][ T28] ret_from_fork+0x1f/0x30 [ 284.961441][ T28] [ 284.964809][ T28] Kernel Offset: disabled [ 284.969134][ T28] Rebooting in 86400 seconds..