Warning: Permanently added '10.128.1.115' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 665.481542][ T6217] loop1: detected capacity change from 0 to 4096 [ 665.510685][ T6223] loop2: detected capacity change from 0 to 4096 [ 665.513979][ T6222] loop3: detected capacity change from 0 to 4096 [ 665.521887][ T6215] loop4: detected capacity change from 0 to 4096 [ 665.523561][ T6226] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 665.526197][ T6219] loop0: detected capacity change from 0 to 4096 [ 665.555161][ T6227] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 665.588482][ T6228] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 665.591013][ T6229] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 665.648474][ T6232] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program [ 665.925709][ T6242] loop0: detected capacity change from 0 to 4096 [ 665.969263][ T6248] loop3: detected capacity change from 0 to 4096 [ 665.969693][ T6249] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 665.975872][ T6240] loop4: detected capacity change from 0 to 4096 [ 665.982561][ T6247] loop2: detected capacity change from 0 to 4096 [ 665.984593][ T6241] loop1: detected capacity change from 0 to 4096 [ 666.002401][ T6250] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 666.016128][ T6251] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 666.029987][ T6253] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 666.042370][ T6254] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 666.257477][ T6263] loop0: detected capacity change from 0 to 4096 [ 666.270113][ T6266] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 666.300385][ T6265] loop4: detected capacity change from 0 to 4096 [ 666.303703][ T6264] loop3: detected capacity change from 0 to 4096 [ 666.329945][ T6269] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 666.359888][ T6274] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 666.448410][ T6273] loop1: detected capacity change from 0 to 4096 [ 666.492069][ T6276] loop2: detected capacity change from 0 to 4096 [ 666.496295][ T6279] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 666.522606][ T6281] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 666.601264][ T6284] loop4: detected capacity change from 0 to 4096 executing program executing program [ 666.634328][ T6283] loop0: detected capacity change from 0 to 4096 [ 666.637787][ T6289] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 666.678095][ T6290] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 666.750769][ T6291] loop1: detected capacity change from 0 to 4096 executing program [ 666.790233][ T6292] loop3: detected capacity change from 0 to 4096 [ 666.802405][ T6296] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 666.825570][ T6298] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 666.896177][ T6300] loop2: detected capacity change from 0 to 4096 executing program [ 666.940944][ T6304] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 666.944397][ T6301] loop4: detected capacity change from 0 to 4096 executing program [ 666.971926][ T6307] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 667.050120][ T6308] loop0: detected capacity change from 0 to 4096 [ 667.066750][ T6310] loop1: detected capacity change from 0 to 4096 [ 667.086541][ T6311] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 667.096523][ T6312] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 858.105042][ T29] INFO: task syz-executor108:6288 blocked for more than 143 seconds. [ 858.106875][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.108434][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.110375][ T29] task:syz-executor108 state:D stack:0 pid:6288 tgid:6286 ppid:6211 flags:0x0000000d [ 858.112547][ T29] Call trace: [ 858.113193][ T29] __switch_to+0x314/0x560 [ 858.114167][ T29] __schedule+0x1498/0x24b4 [ 858.115212][ T29] schedule+0xb8/0x19c [ 858.116222][ T29] io_schedule+0x8c/0x12c [ 858.117118][ T29] folio_wait_bit_common+0x65c/0xb90 [ 858.118315][ T29] folio_wait_bit+0x30/0x40 [ 858.119329][ T29] folio_wait_writeback+0x14c/0x3bc [ 858.120453][ T29] migrate_pages_batch+0xc48/0x2538 [ 858.121586][ T29] migrate_pages+0x1bf8/0x3114 [ 858.122613][ T29] __arm64_sys_mbind+0x13b8/0x18cc [ 858.123834][ T29] invoke_syscall+0x98/0x2b8 [ 858.124897][ T29] el0_svc_common+0x130/0x23c [ 858.125927][ T29] do_el0_svc+0x48/0x58 [ 858.126858][ T29] el0_svc+0x54/0x158 [ 858.127722][ T29] el0t_64_sync_handler+0x84/0xfc [ 858.128878][ T29] el0t_64_sync+0x190/0x194 [ 858.129924][ T29] INFO: task syz-executor108:6295 blocked for more than 143 seconds. [ 858.131654][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.133296][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.135201][ T29] task:syz-executor108 state:D stack:0 pid:6295 tgid:6294 ppid:6210 flags:0x0000000d [ 858.137434][ T29] Call trace: [ 858.138183][ T29] __switch_to+0x314/0x560 [ 858.139209][ T29] __schedule+0x1498/0x24b4 [ 858.140259][ T29] schedule+0xb8/0x19c [ 858.141182][ T29] io_schedule+0x8c/0x12c [ 858.142192][ T29] folio_wait_bit_common+0x65c/0xb90 [ 858.143416][ T29] folio_wait_bit+0x30/0x40 [ 858.144468][ T29] folio_wait_writeback+0x14c/0x3bc [ 858.145663][ T29] __filemap_fdatawait_range+0x16c/0x304 [ 858.146902][ T29] filemap_fdatawait_keep_errors+0x34/0xb0 [ 858.148150][ T29] sync_bdevs+0x1a4/0x28c [ 858.149144][ T29] ksys_sync+0xe4/0x1cc [ 858.150096][ T29] __arm64_sys_sync+0x14/0x24 [ 858.151140][ T29] invoke_syscall+0x98/0x2b8 [ 858.152200][ T29] el0_svc_common+0x130/0x23c [ 858.153364][ T29] do_el0_svc+0x48/0x58 [ 858.154245][ T29] el0_svc+0x54/0x158 [ 858.155224][ T29] el0t_64_sync_handler+0x84/0xfc [ 858.156472][ T29] el0t_64_sync+0x190/0x194 [ 858.157470][ T29] INFO: task segctord:6298 blocked for more than 143 seconds. [ 858.159148][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.160839][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.162850][ T29] task:segctord state:D stack:0 pid:6298 tgid:6298 ppid:2 flags:0x00000008 [ 858.165172][ T29] Call trace: [ 858.165937][ T29] __switch_to+0x314/0x560 [ 858.166879][ T29] __schedule+0x1498/0x24b4 [ 858.167948][ T29] schedule+0xb8/0x19c [ 858.168933][ T29] io_schedule+0x8c/0x12c [ 858.169898][ T29] folio_wait_bit_common+0x65c/0xb90 [ 858.171038][ T29] __folio_lock+0x2c/0x3c [ 858.172143][ T29] nilfs_lookup_dirty_data_buffers+0x2b0/0x7e8 [ 858.173489][ T29] nilfs_segctor_scan_file+0x1e4/0xcdc [ 858.174686][ T29] nilfs_segctor_do_construct+0x16ec/0x64a4 [ 858.176052][ T29] nilfs_segctor_construct+0x110/0x768 [ 858.177323][ T29] nilfs_segctor_thread+0x3d8/0xd78 [ 858.178505][ T29] kthread+0x288/0x310 [ 858.179412][ T29] ret_from_fork+0x10/0x20 [ 858.180450][ T29] INFO: task syz-executor108:6297 blocked for more than 143 seconds. [ 858.182231][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.183779][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.185899][ T29] task:syz-executor108 state:D stack:0 pid:6297 tgid:6297 ppid:6212 flags:0x0000000d [ 858.188198][ T29] Call trace: [ 858.188910][ T29] __switch_to+0x314/0x560 [ 858.189906][ T29] __schedule+0x1498/0x24b4 [ 858.190949][ T29] schedule+0xb8/0x19c [ 858.191923][ T29] coredump_task_exit+0x2a8/0x3e4 [ 858.193086][ T29] do_exit+0x1b8/0x1f64 [ 858.193980][ T29] do_group_exit+0x194/0x22c [ 858.195025][ T29] get_signal+0x1500/0x15ec [ 858.196095][ T29] do_notify_resume+0x3bc/0x393c [ 858.197195][ T29] el0_svc+0x9c/0x158 [ 858.198087][ T29] el0t_64_sync_handler+0x84/0xfc [ 858.199211][ T29] el0t_64_sync+0x190/0x194 [ 858.200286][ T29] INFO: task syz-executor108:6299 blocked for more than 143 seconds. [ 858.202063][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.203735][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.205838][ T29] task:syz-executor108 state:D stack:0 pid:6299 tgid:6297 ppid:6212 flags:0x0000000d [ 858.208114][ T29] Call trace: [ 858.208875][ T29] __switch_to+0x314/0x560 [ 858.209840][ T29] __schedule+0x1498/0x24b4 [ 858.210833][ T29] schedule+0xb8/0x19c [ 858.211723][ T29] wb_wait_for_completion+0x154/0x29c [ 858.212888][ T29] sync_inodes_sb+0x220/0x944 [ 858.213945][ T29] sync_inodes_one_sb+0x58/0x70 [ 858.215115][ T29] iterate_supers+0xd4/0x188 [ 858.216150][ T29] ksys_sync+0xb4/0x1cc [ 858.217132][ T29] __arm64_sys_sync+0x14/0x24 [ 858.218217][ T29] invoke_syscall+0x98/0x2b8 [ 858.219209][ T29] el0_svc_common+0x130/0x23c [ 858.220242][ T29] do_el0_svc+0x48/0x58 [ 858.221206][ T29] el0_svc+0x54/0x158 [ 858.222049][ T29] el0t_64_sync_handler+0x84/0xfc [ 858.223159][ T29] el0t_64_sync+0x190/0x194 [ 858.224215][ T29] INFO: task syz-executor108:6301 blocked for more than 143 seconds. [ 858.226185][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.227778][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.229728][ T29] task:syz-executor108 state:D stack:0 pid:6301 tgid:6297 ppid:6212 flags:0x00000005 [ 858.231947][ T29] Call trace: [ 858.232666][ T29] __switch_to+0x314/0x560 [ 858.233688][ T29] __schedule+0x1498/0x24b4 [ 858.234670][ T29] schedule+0xb8/0x19c [ 858.235675][ T29] schedule_timeout+0xb8/0x348 [ 858.236760][ T29] do_wait_for_common+0x30c/0x468 [ 858.237931][ T29] wait_for_completion_state+0x50/0x7c [ 858.239160][ T29] do_coredump+0x85c/0x23cc [ 858.240122][ T29] get_signal+0xfec/0x15ec [ 858.241224][ T29] do_notify_resume+0x328/0x393c [ 858.242283][ T29] el0_da+0xac/0x168 [ 858.243176][ T29] el0t_64_sync_handler+0xcc/0xfc [ 858.244336][ T29] el0t_64_sync+0x190/0x194 [ 858.245427][ T29] INFO: task syz-executor108:6302 blocked for more than 143 seconds. [ 858.247293][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.248920][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.250945][ T29] task:syz-executor108 state:D stack:0 pid:6302 tgid:6302 ppid:6208 flags:0x0000000d [ 858.253202][ T29] Call trace: [ 858.253946][ T29] __switch_to+0x314/0x560 [ 858.254950][ T29] __schedule+0x1498/0x24b4 [ 858.255953][ T29] schedule+0xb8/0x19c [ 858.256850][ T29] coredump_task_exit+0x2a8/0x3e4 [ 858.257997][ T29] do_exit+0x1b8/0x1f64 [ 858.258961][ T29] do_group_exit+0x194/0x22c [ 858.260033][ T29] get_signal+0x1500/0x15ec [ 858.261077][ T29] do_notify_resume+0x3bc/0x393c [ 858.262127][ T29] el0_svc+0x9c/0x158 [ 858.263027][ T29] el0t_64_sync_handler+0x84/0xfc [ 858.264144][ T29] el0t_64_sync+0x190/0x194 [ 858.265170][ T29] INFO: task syz-executor108:6303 blocked for more than 143 seconds. [ 858.267096][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.268757][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.270706][ T29] task:syz-executor108 state:D stack:0 pid:6303 tgid:6302 ppid:6208 flags:0x00000005 [ 858.273019][ T29] Call trace: [ 858.273706][ T29] __switch_to+0x314/0x560 [ 858.274674][ T29] __schedule+0x1498/0x24b4 [ 858.275772][ T29] schedule+0xb8/0x19c [ 858.276665][ T29] schedule_preempt_disabled+0x18/0x2c [ 858.277952][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 858.279208][ T29] down_write+0xb4/0xc0 [ 858.280143][ T29] sync_inodes_sb+0x208/0x944 [ 858.281203][ T29] sync_inodes_one_sb+0x58/0x70 [ 858.282232][ T29] iterate_supers+0xd4/0x188 [ 858.283424][ T29] ksys_sync+0xb4/0x1cc [ 858.284393][ T29] __arm64_sys_sync+0x14/0x24 [ 858.285740][ T29] invoke_syscall+0x98/0x2b8 [ 858.286815][ T29] el0_svc_common+0x130/0x23c [ 858.287896][ T29] do_el0_svc+0x48/0x58 [ 858.288867][ T29] el0_svc+0x54/0x158 [ 858.289792][ T29] el0t_64_sync_handler+0x84/0xfc [ 858.290939][ T29] el0t_64_sync+0x190/0x194 [ 858.291928][ T29] INFO: task syz-executor108:6308 blocked for more than 143 seconds. [ 858.293782][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.295473][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.297393][ T29] task:syz-executor108 state:D stack:0 pid:6308 tgid:6302 ppid:6208 flags:0x0000000d [ 858.299657][ T29] Call trace: [ 858.300376][ T29] __switch_to+0x314/0x560 [ 858.301417][ T29] __schedule+0x1498/0x24b4 [ 858.302404][ T29] schedule+0xb8/0x19c [ 858.303307][ T29] schedule_timeout+0xb8/0x348 [ 858.304355][ T29] do_wait_for_common+0x30c/0x468 [ 858.305540][ T29] wait_for_completion_state+0x50/0x7c [ 858.306703][ T29] do_coredump+0x85c/0x23cc [ 858.307750][ T29] get_signal+0xfec/0x15ec [ 858.308848][ T29] do_notify_resume+0x328/0x393c [ 858.309933][ T29] el0_da+0xac/0x168 [ 858.310876][ T29] el0t_64_sync_handler+0xcc/0xfc [ 858.311916][ T29] el0t_64_sync+0x190/0x194 [ 858.312908][ T29] INFO: task syz-executor108:6305 blocked for more than 143 seconds. [ 858.314754][ T29] Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.316436][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.318334][ T29] task:syz-executor108 state:D stack:0 pid:6305 tgid:6305 ppid:6209 flags:0x0000000d [ 858.320684][ T29] Call trace: [ 858.321414][ T29] __switch_to+0x314/0x560 [ 858.322456][ T29] __schedule+0x1498/0x24b4 [ 858.323398][ T29] schedule+0xb8/0x19c [ 858.324257][ T29] coredump_task_exit+0x2a8/0x3e4 [ 858.325421][ T29] do_exit+0x1b8/0x1f64 [ 858.326379][ T29] do_group_exit+0x194/0x22c [ 858.327433][ T29] get_signal+0x1500/0x15ec [ 858.328432][ T29] do_notify_resume+0x3bc/0x393c [ 858.329490][ T29] el0_svc+0x9c/0x158 [ 858.330405][ T29] el0t_64_sync_handler+0x84/0xfc [ 858.331548][ T29] el0t_64_sync+0x190/0x194 [ 858.332544][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 858.334696][ T29] [ 858.334696][ T29] Showing all locks held in the system: [ 858.336518][ T29] 1 lock held by khungtaskd/29: [ 858.337607][ T29] #0: ffff80008ee44100 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 858.339720][ T29] 2 locks held by kworker/u4:2/40: [ 858.340893][ T29] #0: ffff0000c1fcc538 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 [ 858.343409][ T29] #1: ffff800093e37c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 [ 858.346311][ T29] 2 locks held by getty/5940: [ 858.347412][ T29] #0: ffff0000d358b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 858.349508][ T29] #1: ffff800093fd02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 858.351828][ T29] 1 lock held by syz-executor108/6295: [ 858.353071][ T29] #0: ffff0000caa5f4c8 (&disk->open_mutex){+.+.}-{3:3}, at: sync_bdevs+0x150/0x28c [ 858.355360][ T29] 1 lock held by segctord/6298: [ 858.356475][ T29] #0: ffff0000c26a52a0 (&nilfs->ns_segctor_sem){++++}-{3:3}, at: nilfs_transaction_lock+0x178/0x33c [ 858.359045][ T29] 2 locks held by syz-executor108/6299: [ 858.360206][ T29] #0: ffff0000cd2720e0 (&type->s_umount_key#62){++++}-{3:3}, at: super_lock+0x244/0x33c [ 858.362570][ T29] #1: ffff0000caa7c7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x208/0x944 [ 858.364994][ T29] 2 locks held by syz-executor108/6303: [ 858.366224][ T29] #0: ffff0000cd2720e0 (&type->s_umount_key#62){++++}-{3:3}, at: super_lock+0x244/0x33c [ 858.368486][ T29] #1: ffff0000caa7c7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x208/0x944 [ 858.370855][ T29] 2 locks held by syz-executor108/6306: [ 858.372233][ T29] #0: ffff0000cd2720e0 (&type->s_umount_key#62){++++}-{3:3}, at: super_lock+0x244/0x33c [ 858.374384][ T29] #1: ffff0000caa7c7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x208/0x944 [ 858.376854][ T29] [ 858.377339][ T29] ============================================= [ 858.377339][ T29] [ 858.379355][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 858.380877][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 [ 858.382979][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 858.385313][ T29] Call trace: [ 858.386135][ T29] dump_backtrace+0x1b8/0x1e4 [ 858.387234][ T29] show_stack+0x2c/0x3c [ 858.388316][ T29] dump_stack_lvl+0xd0/0x124 [ 858.389469][ T29] dump_stack+0x1c/0x28 [ 858.390379][ T29] panic+0x30c/0x88c [ 858.391243][ T29] hung_task_panic+0x0/0x2c [ 858.392287][ T29] kthread+0x288/0x310 [ 858.393243][ T29] ret_from_fork+0x10/0x20 [ 858.394243][ T29] SMP: stopping secondary CPUs [ 858.395366][ T29] Kernel Offset: disabled [ 858.396407][ T29] CPU features: 0x0,00000020,7002004a,21017203 [ 858.397784][ T29] Memory Limit: none [ 858.762116][ T29] Rebooting in 86400 seconds..