[ 71.582636][ T40] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.204' (ED25519) to the list of known hosts. 2025/03/08 20:03:12 ignoring optional flag "sandboxArg"="0" 2025/03/08 20:03:12 parsed 1 programs [ 77.098910][ T3454] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2025/03/08 20:03:22 executed programs: 0 [ 84.368713][ T3904] loop7: detected capacity change from 0 to 128 [ 84.432850][ T3904] syz.7.18: attempt to access beyond end of device [ 84.432850][ T3904] loop7: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 84.459967][ T3904] Buffer I/O error on dev loop7, logical block 3245768, async page read [ 84.470200][ T3904] syz.7.18: attempt to access beyond end of device [ 84.470200][ T3904] loop7: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 84.487585][ T3904] Buffer I/O error on dev loop7, logical block 8833403, async page read [ 84.507765][ T3904] syz.7.18: attempt to access beyond end of device [ 84.507765][ T3904] loop7: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 84.557350][ T3904] Buffer I/O error on dev loop7, logical block 13269809, async page read [ 84.568771][ T3904] syz.7.18: attempt to access beyond end of device [ 84.568771][ T3904] loop7: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 84.600994][ T3904] Buffer I/O error on dev loop7, logical block 8073606, async page read [ 84.620659][ T3904] syz.7.18: attempt to access beyond end of device [ 84.620659][ T3904] loop7: rw=0, sector=6491542, nr_sectors = 2 limit=128 [ 84.634557][ T3904] Buffer I/O error on dev loop7, logical block 3245771, async page read [ 84.643757][ T3904] syz.7.18: attempt to access beyond end of device [ 84.643757][ T3904] loop7: rw=0, sector=17668342, nr_sectors = 2 limit=128 [ 84.657930][ T3904] Buffer I/O error on dev loop7, logical block 8834171, async page read [ 84.668828][ T3904] syz.7.18: attempt to access beyond end of device [ 84.668828][ T3904] loop7: rw=0, sector=26932834, nr_sectors = 2 limit=128 [ 84.683534][ T3904] Buffer I/O error on dev loop7, logical block 13466417, async page read [ 84.692843][ T3904] syz.7.18: attempt to access beyond end of device [ 84.692843][ T3904] loop7: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 84.706691][ T3904] Buffer I/O error on dev loop7, logical block 8073606, async page read [ 84.717392][ T3904] syz.7.18: attempt to access beyond end of device [ 84.717392][ T3904] loop7: rw=0, sector=6491548, nr_sectors = 2 limit=128 [ 84.735395][ T3904] Buffer I/O error on dev loop7, logical block 3245774, async page read [ 84.747414][ T3904] syz.7.18: attempt to access beyond end of device [ 84.747414][ T3904] loop7: rw=0, sector=17669878, nr_sectors = 2 limit=128 [ 84.764933][ T3904] Buffer I/O error on dev loop7, logical block 8834939, async page read 2025/03/08 20:03:43 executed programs: 11 [ 104.969654][ T5476] loop5: detected capacity change from 0 to 128 [ 105.081430][ T5476] syz.5.17: attempt to access beyond end of device [ 105.081430][ T5476] loop5: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 105.120918][ T5476] Buffer I/O error on dev loop5, logical block 3245768, async page read [ 105.129363][ T5476] syz.5.17: attempt to access beyond end of device [ 105.129363][ T5476] loop5: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 105.171489][ T5476] Buffer I/O error on dev loop5, logical block 8833403, async page read [ 105.179928][ T5476] syz.5.17: attempt to access beyond end of device [ 105.179928][ T5476] loop5: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 105.231907][ T5476] Buffer I/O error on dev loop5, logical block 13269809, async page read [ 105.264563][ T5476] syz.5.17: attempt to access beyond end of device [ 105.264563][ T5476] loop5: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 105.321475][ T5476] Buffer I/O error on dev loop5, logical block 8073606, async page read [ 105.341096][ T5476] syz.5.17: attempt to access beyond end of device [ 105.341096][ T5476] loop5: rw=0, sector=6491542, nr_sectors = 2 limit=128 [ 105.430825][ T5476] Buffer I/O error on dev loop5, logical block 3245771, async page read [ 105.439247][ T5476] syz.5.17: attempt to access beyond end of device [ 105.439247][ T5476] loop5: rw=0, sector=17668342, nr_sectors = 2 limit=128 [ 105.507532][ T5476] Buffer I/O error on dev loop5, logical block 8834171, async page read [ 105.536041][ T5476] syz.5.17: attempt to access beyond end of device [ 105.536041][ T5476] loop5: rw=0, sector=26932834, nr_sectors = 2 limit=128 [ 105.582178][ T5476] Buffer I/O error on dev loop5, logical block 13466417, async page read [ 105.590688][ T5476] syz.5.17: attempt to access beyond end of device [ 105.590688][ T5476] loop5: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 105.670661][ T5476] Buffer I/O error on dev loop5, logical block 8073606, async page read [ 105.689682][ T5524] loop0: detected capacity change from 0 to 128 [ 105.699162][ T5476] syz.5.17: attempt to access beyond end of device [ 105.699162][ T5476] loop5: rw=0, sector=6491548, nr_sectors = 2 limit=128 [ 105.741249][ T5524] syz.0.16: attempt to access beyond end of device [ 105.741249][ T5524] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 105.770618][ T5476] Buffer I/O error on dev loop5, logical block 3245774, async page read [ 105.791650][ T5524] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 105.935162][ T5533] loop3: detected capacity change from 0 to 128 [ 106.335142][ T5540] loop4: detected capacity change from 0 to 128 2025/03/08 20:04:01 executed programs: 15 [ 123.113875][ T5893] loop8: detected capacity change from 0 to 128 [ 123.182318][ T5893] bio_check_eod: 30 callbacks suppressed [ 123.182330][ T5893] syz.8.21: attempt to access beyond end of device [ 123.182330][ T5893] loop8: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 123.270806][ T5893] buffer_io_error: 30 callbacks suppressed [ 123.270818][ T5893] Buffer I/O error on dev loop8, logical block 3245768, async page read [ 123.364033][ T5893] syz.8.21: attempt to access beyond end of device [ 123.364033][ T5893] loop8: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 123.427919][ T5893] Buffer I/O error on dev loop8, logical block 8833403, async page read [ 123.500810][ T5893] syz.8.21: attempt to access beyond end of device [ 123.500810][ T5893] loop8: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 123.601147][ T5893] Buffer I/O error on dev loop8, logical block 13269809, async page read [ 123.609746][ T5893] syz.8.21: attempt to access beyond end of device [ 123.609746][ T5893] loop8: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 123.714505][ T5893] Buffer I/O error on dev loop8, logical block 8073606, async page read [ 123.781039][ T5893] syz.8.21: attempt to access beyond end of device [ 123.781039][ T5893] loop8: rw=0, sector=6491542, nr_sectors = 2 limit=128 [ 123.860820][ T5893] Buffer I/O error on dev loop8, logical block 3245771, async page read [ 123.869247][ T5893] syz.8.21: attempt to access beyond end of device [ 123.869247][ T5893] loop8: rw=0, sector=17668342, nr_sectors = 2 limit=128 [ 123.980824][ T5893] Buffer I/O error on dev loop8, logical block 8834171, async page read [ 123.989334][ T5893] syz.8.21: attempt to access beyond end of device [ 123.989334][ T5893] loop8: rw=0, sector=26932834, nr_sectors = 2 limit=128 [ 124.080788][ T5893] Buffer I/O error on dev loop8, logical block 13466417, async page read [ 124.089318][ T5893] syz.8.21: attempt to access beyond end of device [ 124.089318][ T5893] loop8: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 124.180782][ T5893] Buffer I/O error on dev loop8, logical block 8073606, async page read [ 124.189472][ T5893] syz.8.21: attempt to access beyond end of device [ 124.189472][ T5893] loop8: rw=0, sector=6491548, nr_sectors = 2 limit=128 [ 124.300853][ T5893] Buffer I/O error on dev loop8, logical block 3245774, async page read [ 124.309277][ T5893] syz.8.21: attempt to access beyond end of device [ 124.309277][ T5893] loop8: rw=0, sector=17669878, nr_sectors = 2 limit=128 [ 124.410815][ T5893] Buffer I/O error on dev loop8, logical block 8834939, async page read 2025/03/08 20:04:39 executed programs: 16 [ 161.495134][ T7498] loop9: detected capacity change from 0 to 128 [ 161.532117][ T7498] syz.9.22: attempt to access beyond end of device [ 161.532117][ T7498] loop9: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 161.630830][ T7498] Buffer I/O error on dev loop9, logical block 3245768, async page read [ 161.639261][ T7498] syz.9.22: attempt to access beyond end of device [ 161.639261][ T7498] loop9: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 161.670950][ T7498] Buffer I/O error on dev loop9, logical block 8833403, async page read [ 161.679381][ T7498] syz.9.22: attempt to access beyond end of device [ 161.679381][ T7498] loop9: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 161.800946][ T7498] Buffer I/O error on dev loop9, logical block 13269809, async page read [ 161.862363][ T7498] syz.9.22: attempt to access beyond end of device [ 161.862363][ T7498] loop9: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 161.921797][ T7498] Buffer I/O error on dev loop9, logical block 8073606, async page read [ 161.974797][ T7498] syz.9.22: attempt to access beyond end of device [ 161.974797][ T7498] loop9: rw=0, sector=6491542, nr_sectors = 2 limit=128 [ 162.050879][ T7498] Buffer I/O error on dev loop9, logical block 3245771, async page read [ 162.111537][ T7498] syz.9.22: attempt to access beyond end of device [ 162.111537][ T7498] loop9: rw=0, sector=17668342, nr_sectors = 2 limit=128 [ 162.182317][ T7498] Buffer I/O error on dev loop9, logical block 8834171, async page read [ 162.231028][ T7498] syz.9.22: attempt to access beyond end of device [ 162.231028][ T7498] loop9: rw=0, sector=26932834, nr_sectors = 2 limit=128 [ 162.281594][ T7498] Buffer I/O error on dev loop9, logical block 13466417, async page read [ 162.351397][ T7498] syz.9.22: attempt to access beyond end of device [ 162.351397][ T7498] loop9: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 162.410915][ T7498] Buffer I/O error on dev loop9, logical block 8073606, async page read [ 162.420072][ T7498] syz.9.22: attempt to access beyond end of device [ 162.420072][ T7498] loop9: rw=0, sector=6491548, nr_sectors = 2 limit=128 [ 162.480963][ T7498] Buffer I/O error on dev loop9, logical block 3245774, async page read [ 162.489393][ T7498] syz.9.22: attempt to access beyond end of device [ 162.489393][ T7498] loop9: rw=0, sector=17669878, nr_sectors = 2 limit=128 [ 162.700901][ T7498] Buffer I/O error on dev loop9, logical block 8834939, async page read [ 162.786107][ T7544] loop1: detected capacity change from 0 to 128 [ 163.317350][ T7560] loop2: detected capacity change from 0 to 128 [ 164.339503][ T7568] loop6: detected capacity change from 0 to 128 2025/03/08 20:05:03 executed programs: 20 2025/03/08 20:05:08 executed programs: 33 2025/03/08 20:05:14 executed programs: 49 2025/03/08 20:05:19 executed programs: 66 2025/03/08 20:05:24 executed programs: 83 2025/03/08 20:05:30 executed programs: 97 2025/03/08 20:05:35 executed programs: 114 2025/03/08 20:05:40 executed programs: 130 2025/03/08 20:05:45 executed programs: 148 2025/03/08 20:05:51 executed programs: 161 2025/03/08 20:05:56 executed programs: 185 [ 242.461030][ T31] INFO: task syz.7.18:3918 blocked for more than 143 seconds. [ 242.468710][ T31] Not tainted 6.14.0-rc5-syzkaller #0 [ 242.516391][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 242.580754][ T31] task:syz.7.18 state:D stack:28272 pid:3918 tgid:3901 ppid:3501 task_flags:0x400040 flags:0x00000004 [ 242.658249][ T31] Call Trace: [ 242.680770][ T31] [ 242.683786][ T31] __schedule+0x18a3/0x4ac0 [ 242.688319][ T31] ? __pfx___schedule+0x10/0x10 [ 242.760765][ T31] ? __pfx_lock_release+0x10/0x10 [ 242.765846][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 242.832388][ T31] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 242.838776][ T31] ? _raw_spin_lock_irq+0xdf/0x120 [ 242.894681][ T31] ? schedule+0x90/0x320 [ 242.898983][ T31] schedule+0x14b/0x320 [ 242.945710][ T31] schedule_preempt_disabled+0x13/0x30 [ 242.982430][ T31] rwsem_down_write_slowpath+0xeee/0x13b0 [ 242.988207][ T31] ? rwsem_down_write_slowpath+0xa09/0x13b0 2025/03/08 20:06:01 executed programs: 297 [ 243.070757][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 243.076966][ T31] ? __pfx_lock_acquire+0x10/0x10 [ 243.130746][ T31] down_write+0x1d7/0x220 [ 243.155166][ T31] ? __pfx_down_write+0x10/0x10 [ 243.160071][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 243.220750][ T31] __generic_file_fsync+0x81/0x120 [ 243.225924][ T31] generic_file_fsync+0x6b/0xd0 [ 243.300749][ T31] __x64_sys_fdatasync+0x9f/0xe0 [ 243.305756][ T31] do_syscall_64+0xf3/0x210 [ 243.310307][ T31] ? clear_bhb_loop+0x55/0xb0 [ 243.378083][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 243.410758][ T31] RIP: 0033:0x7f7fb4785d29 [ 243.415287][ T31] RSP: 002b:00007f7fb5590038 EFLAGS: 00000246 ORIG_RAX: 000000000000004b [ 243.487015][ T31] RAX: ffffffffffffffda RBX: 00007f7fb4976080 RCX: 00007f7fb4785d29 [ 243.540742][ T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 243.625281][ T31] RBP: 00007f7fb4801b08 R08: 0000000000000000 R09: 0000000000000000 [ 243.670780][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 243.733185][ T31] R13: 0000000000000001 R14: 00007f7fb4976080 R15: 00007ffd134a3608 [ 243.786022][ T31] [ 243.791041][ T31] [ 243.791041][ T31] Showing all locks held in the system: [ 243.798824][ T31] 1 lock held by khungtaskd/31: [ 243.870590][ T31] #0: ffffffff890ced00 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 243.926402][ T31] 1 lock held by kswapd0/80: [ 243.962333][ T31] 2 locks held by getty/2521: [ 243.967055][ T31] #0: ffff88801ee4d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x60 [ 244.056232][ T31] #1: ffffc9000009b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x40a/0x1240 [ 244.110773][ T31] 1 lock held by syz.7.18/3904: [ 244.115668][ T31] 1 lock held by syz.7.18/3918: [ 244.120517][ T31] #0: ffff888070518180 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 244.240745][ T31] 1 lock held by syz.5.17/5476: [ 244.278885][ T31] 1 lock held by syz.5.17/5491: [ 244.297955][ T31] #0: ffff88804e1d0180 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 244.370756][ T31] 2 locks held by syz.0.16/5524: [ 244.400736][ T31] 1 lock held by syz.0.16/5531: [ 244.405646][ T31] #0: ffff8880705186c0 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 244.487394][ T31] 1 lock held by syz.3.19/5533: [ 244.521027][ T31] 1 lock held by syz.3.19/5538: [ 244.560769][ T31] #0: ffff88804e1d06c0 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 244.630816][ T31] 1 lock held by syz.4.20/5540: [ 244.635721][ T31] 1 lock held by syz.4.20/5544: [ 244.640573][ T31] #0: ffff888070518c00 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 244.745718][ T31] 1 lock held by syz.8.21/5893: [ 244.790764][ T31] 1 lock held by syz.8.21/5898: [ 244.795655][ T31] #0: ffff88804e1d0c00 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 244.878850][ T31] 1 lock held by syz.9.22/7498: [ 244.913067][ T31] 1 lock held by syz.9.22/7509: [ 244.917979][ T31] #0: ffff88804e1d1140 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 245.008687][ T31] 2 locks held by syz.1.23/7544: [ 245.042901][ T31] 1 lock held by syz.1.23/7551: [ 245.047805][ T31] #0: ffff888070519140 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 245.133484][ T31] 2 locks held by syz.2.24/7560: [ 245.167588][ T31] 1 lock held by syz.2.24/7561: [ 245.194988][ T31] #0: ffff888070519680 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 245.286381][ T31] 2 locks held by syz.6.25/7568: [ 245.300758][ T31] 1 lock held by syz.6.25/7571: [ 245.340763][ T31] #0: ffff88804e1d1680 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: __generic_file_fsync+0x81/0x120 [ 245.410464][ T31] [ 245.414403][ T31] ============================================= [ 245.414403][ T31] [ 245.500861][ T31] NMI backtrace for cpu 1 [ 245.500886][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.14.0-rc5-syzkaller #0 [ 245.500895][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 245.500900][ T31] Call Trace: [ 245.500904][ T31] [ 245.500908][ T31] dump_stack_lvl+0x198/0x250 [ 245.500920][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 245.500927][ T31] ? __pfx__printk+0x10/0x10 [ 245.500935][ T31] nmi_cpu_backtrace+0x353/0x390 [ 245.500945][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 245.500951][ T31] ? _printk+0xce/0x120 [ 245.500957][ T31] ? __pfx__printk+0x10/0x10 [ 245.500963][ T31] ? __pfx__printk+0x10/0x10 [ 245.500970][ T31] ? __rcu_read_unlock+0xa1/0x110 [ 245.500978][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 245.500986][ T31] nmi_trigger_cpumask_backtrace+0x104/0x210 [ 245.500993][ T31] watchdog+0xbbd/0xc00 [ 245.501001][ T31] ? watchdog+0x153/0xc00 [ 245.501007][ T31] ? __pfx_watchdog+0x10/0x10 [ 245.501013][ T31] kthread+0x69d/0x810 [ 245.501020][ T31] ? __pfx_watchdog+0x10/0x10 [ 245.501026][ T31] ? __pfx_kthread+0x10/0x10 [ 245.501032][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 245.501039][ T31] ? lockdep_hardirqs_on+0x99/0x150 [ 245.501045][ T31] ? __pfx_kthread+0x10/0x10 [ 245.501050][ T31] ret_from_fork+0x32/0x60 [ 245.501056][ T31] ? __pfx_kthread+0x10/0x10 [ 245.501062][ T31] ret_from_fork_asm+0x1a/0x30 [ 245.501069][ T31] [ 245.501072][ T31] Sending NMI from CPU 1 to CPUs 0: [ 245.651087][ C0] NMI backtrace for cpu 0 [ 245.651098][ C0] CPU: 0 UID: 0 PID: 80 Comm: kswapd0 Not tainted 6.14.0-rc5-syzkaller #0 [ 245.651106][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 245.651110][ C0] RIP: 0010:shrink_folio_list+0x2306/0x4490 [ 245.651125][ C0] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 ef 43 1c 00 48 f7 03 40 00 00 00 0f 85 3e f7 ff ff 48 8b 84 24 a0 01 00 00 <42> 80 3c 38 00 48 8b 9c 24 c0 00 00 00 74 08 48 89 df e8 c3 43 1c [ 245.651130][ C0] RSP: 0018:ffffc900015d6d20 EFLAGS: 00000286 [ 245.651138][ C0] RAX: 1ffffd400019f95b RBX: ffffc900015d7d28 RCX: 0000000000000001 [ 245.651143][ C0] RDX: dffffc0000000000 RSI: ffffffff8771a8a0 RDI: 0000000000000001 [ 245.651147][ C0] RBP: ffffc900015d73f0 R08: ffffffff8ca152d7 R09: 1ffffffff1942a5a [ 245.651151][ C0] R10: dffffc0000000000 R11: fffffbfff1942a5b R12: 0000000000000000 [ 245.651154][ C0] R13: ffffc900015d75c0 R14: ffffea0000cfcac0 R15: dffffc0000000000 [ 245.651159][ C0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 245.651164][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 245.651168][ C0] CR2: 00007f7c154a56c0 CR3: 000000001d702000 CR4: 00000000003506f0 [ 245.651175][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 245.651179][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 245.651183][ C0] Call Trace: [ 245.651186][ C0] [ 245.651189][ C0] ? nmi_cpu_backtrace+0x2b6/0x390 [ 245.651198][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 245.651206][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 245.651213][ C0] ? nmi_handle+0x25/0x3e0 [ 245.651222][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 245.651229][ C0] ? nmi_handle+0x121/0x3e0 [ 245.651235][ C0] ? nmi_handle+0x25/0x3e0 [ 245.651241][ C0] ? shrink_folio_list+0x2306/0x4490 [ 245.651248][ C0] ? default_do_nmi+0x63/0x160 [ 245.651255][ C0] ? exc_nmi+0x123/0x1f0 [ 245.651260][ C0] ? end_repeat_nmi+0xf/0x53 [ 245.651269][ C0] ? shrink_folio_list+0x2306/0x4490 [ 245.651276][ C0] ? shrink_folio_list+0x2306/0x4490 [ 245.651283][ C0] ? shrink_folio_list+0x2306/0x4490 [ 245.651290][ C0] [ 245.651292][ C0] [ 245.651298][ C0] ? __pfx_shrink_folio_list+0x10/0x10 [ 245.651306][ C0] ? mark_lock+0x9a/0x360 [ 245.651313][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 245.651320][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 245.651326][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 245.651332][ C0] ? finish_task_switch+0x1e5/0x770 [ 245.651338][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 245.651345][ C0] ? finish_task_switch+0x1e5/0x770 [ 245.651350][ C0] ? __schedule+0x18ab/0x4ac0 [ 245.651356][ C0] ? __mod_memcg_lruvec_state+0x2f7/0x4d0 [ 245.651363][ C0] ? __pfx_lock_release+0x10/0x10 [ 245.651372][ C0] ? preempt_schedule_common+0x84/0xd0 [ 245.651379][ C0] ? preempt_schedule+0xe1/0xf0 [ 245.651386][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 245.651394][ C0] shrink_lruvec+0x1250/0x2700 [ 245.651405][ C0] ? __pfx_shrink_lruvec+0x10/0x10 [ 245.651412][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 245.651421][ C0] ? page_counter_calculate_protection+0x5c/0x320 [ 245.651428][ C0] ? mem_cgroup_iter+0x3d/0x420 [ 245.651433][ C0] shrink_node+0x1149/0x28a0 [ 245.651442][ C0] ? __pfx_shrink_node+0x10/0x10 [ 245.651448][ C0] kswapd+0x15ac/0x2730 [ 245.651455][ C0] ? kswapd+0x9fb/0x2730 [ 245.651461][ C0] ? __pfx_kswapd+0x10/0x10 [ 245.651468][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 245.651475][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 245.651482][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 245.651488][ C0] ? __wait_for_common+0x6a0/0x6e0 [ 245.651495][ C0] ? __pfx_autoremove_wake_function+0x10/0x10 [ 245.651502][ C0] ? __kthread_parkme+0xc0/0x1a0 [ 245.651508][ C0] ? __pfx_kswapd+0x10/0x10 [ 245.651514][ C0] kthread+0x69d/0x810 [ 245.651520][ C0] ? __pfx_kswapd+0x10/0x10 [ 245.651527][ C0] ? __pfx_kthread+0x10/0x10 [ 245.651532][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 245.651538][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 245.651544][ C0] ? __pfx_kthread+0x10/0x10 [ 245.651550][ C0] ret_from_fork+0x32/0x60 [ 245.651555][ C0] ? __pfx_kthread+0x10/0x10 [ 245.651561][ C0] ret_from_fork_asm+0x1a/0x30 [ 245.651568][ C0] [ 246.361149][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 246.368043][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.14.0-rc5-syzkaller #0 [ 246.376804][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 246.386864][ T31] Call Trace: [ 246.390144][ T31] [ 246.393073][ T31] dump_stack_lvl+0x198/0x250 [ 246.397747][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 246.402944][ T31] ? __pfx__printk+0x10/0x10 [ 246.407528][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 246.413508][ T31] panic+0x26e/0x680 [ 246.417497][ T31] ? __pfx_panic+0x10/0x10 [ 246.421995][ T31] ? preempt_schedule_thunk+0x1a/0x30 [ 246.427366][ T31] watchdog+0xbf6/0xc00 [ 246.431571][ T31] ? watchdog+0x153/0xc00 [ 246.435904][ T31] ? __pfx_watchdog+0x10/0x10 [ 246.440670][ T31] kthread+0x69d/0x810 [ 246.444730][ T31] ? __pfx_watchdog+0x10/0x10 [ 246.449407][ T31] ? __pfx_kthread+0x10/0x10 [ 246.453999][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 246.459192][ T31] ? lockdep_hardirqs_on+0x99/0x150 [ 246.464387][ T31] ? __pfx_kthread+0x10/0x10 [ 246.468980][ T31] ret_from_fork+0x32/0x60 [ 246.473392][ T31] ? __pfx_kthread+0x10/0x10 [ 246.478078][ T31] ret_from_fork_asm+0x1a/0x30 [ 246.482846][ T31] [ 246.486122][ T31] Kernel Offset: disabled [ 246.490444][ T31] Rebooting in 86400 seconds..