Warning: Permanently added '10.128.0.227' (ED25519) to the list of known hosts. [ 119.612848][ T4317] cgroup: Unknown subsys name 'net' [ 119.824388][ T4317] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 120.197705][ T4330] loop3: detected capacity change from 0 to 128 [ 120.202668][ T4331] loop2: detected capacity change from 0 to 128 [ 120.209794][ T4334] loop4: detected capacity change from 0 to 128 [ 120.214107][ T4330] syz-executor397: attempt to access beyond end of device [ 120.214107][ T4330] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 executing program executing program [ 120.227507][ T4330] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 120.231818][ T4338] loop1: detected capacity change from 0 to 128 [ 120.234054][ T4336] loop0: detected capacity change from 0 to 128 [ 120.235064][ T4334] syz-executor397: attempt to access beyond end of device [ 120.235064][ T4334] loop4: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 120.237101][ T4330] syz-executor397: attempt to access beyond end of device [ 120.237101][ T4330] loop3: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 120.240039][ T4331] syz-executor397: attempt to access beyond end of device [ 120.240039][ T4331] loop2: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 120.246733][ T4331] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 120.250717][ T4334] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 120.252091][ T4336] syz-executor397: attempt to access beyond end of device [ 120.252091][ T4336] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 120.252791][ T4334] syz-executor397: attempt to access beyond end of device [ 120.252791][ T4334] loop4: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 120.256242][ T4336] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 120.260492][ T4331] syz-executor397: attempt to access beyond end of device [ 120.260492][ T4331] loop2: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 120.262329][ T4330] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 120.266273][ T4338] syz-executor397: attempt to access beyond end of device [ 120.266273][ T4338] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 120.271963][ T4331] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 120.274091][ T4331] syz-executor397: attempt to access beyond end of device [ 120.274091][ T4331] loop2: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 120.274645][ T4330] syz-executor397: attempt to access beyond end of device [ 120.274645][ T4330] loop3: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 120.277536][ T4331] Buffer I/O error on dev loop2, logical block 13269809, async page read [ 120.283929][ T4334] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 120.285569][ T4336] Buffer I/O error on dev loop0, logical block 8833403, async page read [ 120.286975][ T4334] Buffer I/O error on dev loop4, logical block 13269809, async page read [ 284.649064][ T28] INFO: task syz-executor397:4339 blocked for more than 143 seconds. [ 284.651163][ T28] Not tainted 6.1.138-syzkaller #0 [ 284.652657][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.654857][ T28] task:syz-executor397 state:D stack:0 pid:4339 ppid:4324 flags:0x00000005 [ 284.657153][ T28] Call trace: [ 284.657968][ T28] __switch_to+0x2f4/0x568 [ 284.678905][ T28] __schedule+0xdd4/0x1b2c [ 284.680126][ T28] schedule+0xc4/0x170 [ 284.681201][ T28] d_wait_lookup+0x154/0x22c [ 284.682347][ T28] d_alloc_parallel+0x978/0x10e4 [ 284.683625][ T28] __lookup_slow+0x104/0x370 [ 284.684740][ T28] lookup_slow+0x5c/0x80 [ 284.685826][ T28] link_path_walk+0x76c/0xc6c [ 284.687013][ T28] path_openat+0x1c0/0x2680 [ 284.688159][ T28] do_filp_open+0x174/0x344 [ 284.708930][ T28] do_sys_openat2+0x128/0x3d8 [ 284.710178][ T28] __arm64_sys_openat+0x120/0x154 [ 284.711462][ T28] invoke_syscall+0x98/0x2bc [ 284.712627][ T28] el0_svc_common+0x138/0x258 [ 284.713835][ T28] do_el0_svc+0x58/0x13c [ 284.714905][ T28] el0_svc+0x58/0x138 [ 284.715927][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.717214][ T28] el0t_64_sync+0x18c/0x190 [ 284.718388][ T28] INFO: task syz-executor397:4341 blocked for more than 143 seconds. [ 284.748943][ T28] Not tainted 6.1.138-syzkaller #0 [ 284.750386][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.752556][ T28] task:syz-executor397 state:D stack:0 pid:4341 ppid:4326 flags:0x00000005 [ 284.754871][ T28] Call trace: [ 284.755677][ T28] __switch_to+0x2f4/0x568 [ 284.756816][ T28] __schedule+0xdd4/0x1b2c [ 284.758002][ T28] schedule+0xc4/0x170 [ 284.768925][ T28] d_wait_lookup+0x154/0x22c [ 284.770151][ T28] d_alloc_parallel+0x978/0x10e4 [ 284.771441][ T28] __lookup_slow+0x104/0x370 [ 284.772619][ T28] lookup_slow+0x5c/0x80 [ 284.773700][ T28] link_path_walk+0x76c/0xc6c [ 284.774879][ T28] path_openat+0x1c0/0x2680 [ 284.776007][ T28] do_filp_open+0x174/0x344 [ 284.777187][ T28] do_sys_openat2+0x128/0x3d8 [ 284.778369][ T28] __arm64_sys_openat+0x120/0x154 [ 284.808941][ T28] invoke_syscall+0x98/0x2bc [ 284.810175][ T28] el0_svc_common+0x138/0x258 [ 284.811364][ T28] do_el0_svc+0x58/0x13c [ 284.812447][ T28] el0_svc+0x58/0x138 [ 284.813457][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.814753][ T28] el0t_64_sync+0x18c/0x190 [ 284.815895][ T28] INFO: task syz-executor397:4340 blocked for more than 143 seconds. [ 284.817949][ T28] Not tainted 6.1.138-syzkaller #0 [ 284.838906][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.841082][ T28] task:syz-executor397 state:D stack:0 pid:4340 ppid:4325 flags:0x00000005 [ 284.843406][ T28] Call trace: [ 284.844249][ T28] __switch_to+0x2f4/0x568 [ 284.845365][ T28] __schedule+0xdd4/0x1b2c [ 284.846512][ T28] schedule+0xc4/0x170 [ 284.847526][ T28] d_wait_lookup+0x154/0x22c [ 284.848710][ T28] d_alloc_parallel+0x978/0x10e4 [ 284.873383][ T28] __lookup_slow+0x104/0x370 [ 284.874587][ T28] lookup_slow+0x5c/0x80 [ 284.875591][ T28] link_path_walk+0x76c/0xc6c [ 284.876736][ T28] path_openat+0x1c0/0x2680 [ 284.877782][ T28] do_filp_open+0x174/0x344 [ 284.888924][ T28] do_sys_openat2+0x128/0x3d8 [ 284.890138][ T28] __arm64_sys_openat+0x120/0x154 [ 284.891405][ T28] invoke_syscall+0x98/0x2bc [ 284.892598][ T28] el0_svc_common+0x138/0x258 [ 284.893749][ T28] do_el0_svc+0x58/0x13c [ 284.894802][ T28] el0_svc+0x58/0x138 [ 284.895755][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.897008][ T28] el0t_64_sync+0x18c/0x190 [ 284.898122][ T28] INFO: task syz-executor397:4343 blocked for more than 143 seconds. [ 284.928946][ T28] Not tainted 6.1.138-syzkaller #0 [ 284.930475][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.932507][ T28] task:syz-executor397 state:D stack:0 pid:4343 ppid:4323 flags:0x00000005 [ 284.934774][ T28] Call trace: [ 284.935537][ T28] __switch_to+0x2f4/0x568 [ 284.936473][ T28] __schedule+0xdd4/0x1b2c [ 284.937555][ T28] schedule+0xc4/0x170 [ 284.938536][ T28] d_wait_lookup+0x154/0x22c [ 284.958910][ T28] d_alloc_parallel+0x978/0x10e4 [ 284.960236][ T28] __lookup_slow+0x104/0x370 [ 284.961408][ T28] lookup_slow+0x5c/0x80 [ 284.962440][ T28] link_path_walk+0x76c/0xc6c [ 284.963569][ T28] path_openat+0x1c0/0x2680 [ 284.964699][ T28] do_filp_open+0x174/0x344 [ 284.965788][ T28] do_sys_openat2+0x128/0x3d8 [ 284.966961][ T28] __arm64_sys_openat+0x120/0x154 [ 284.968220][ T28] invoke_syscall+0x98/0x2bc [ 284.988948][ T28] el0_svc_common+0x138/0x258 [ 284.990250][ T28] do_el0_svc+0x58/0x13c [ 284.991291][ T28] el0_svc+0x58/0x138 [ 284.992360][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.993594][ T28] el0t_64_sync+0x18c/0x190 [ 284.994690][ T28] INFO: task syz-executor397:4342 blocked for more than 143 seconds. [ 284.996692][ T28] Not tainted 6.1.138-syzkaller #0 [ 284.998036][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.028926][ T28] task:syz-executor397 state:D stack:0 pid:4342 ppid:4327 flags:0x00000005 [ 285.031263][ T28] Call trace: [ 285.032051][ T28] __switch_to+0x2f4/0x568 [ 285.033200][ T28] __schedule+0xdd4/0x1b2c [ 285.034320][ T28] schedule+0xc4/0x170 [ 285.035340][ T28] d_wait_lookup+0x154/0x22c [ 285.036534][ T28] d_alloc_parallel+0x978/0x10e4 [ 285.037717][ T28] __lookup_slow+0x104/0x370 [ 285.038809][ T28] lookup_slow+0x5c/0x80 [ 285.058914][ T28] link_path_walk+0x76c/0xc6c [ 285.060100][ T28] path_openat+0x1c0/0x2680 [ 285.061209][ T28] do_filp_open+0x174/0x344 [ 285.062279][ T28] do_sys_openat2+0x128/0x3d8 [ 285.063467][ T28] __arm64_sys_openat+0x120/0x154 [ 285.064720][ T28] invoke_syscall+0x98/0x2bc [ 285.065846][ T28] el0_svc_common+0x138/0x258 [ 285.066950][ T28] do_el0_svc+0x58/0x13c [ 285.067933][ T28] el0_svc+0x58/0x138 [ 285.088926][ T28] el0t_64_sync_handler+0x84/0xf0 [ 285.090283][ T28] el0t_64_sync+0x18c/0x190 [ 285.091433][ T28] [ 285.091433][ T28] Showing all locks held in the system: [ 285.093250][ T28] 1 lock held by rcu_tasks_kthre/12: [ 285.094561][ T28] #0: ffff800015247630 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 [ 285.097265][ T28] 1 lock held by rcu_tasks_trace/13: [ 285.098559][ T28] #0: ffff800015247e50 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 [ 285.125506][ T28] 1 lock held by khungtaskd/28: [ 285.126792][ T28] #0: ffff800015246cc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 285.138942][ T28] 2 locks held by getty/4065: [ 285.140172][ T28] #0: ffff0000d5f8b098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 285.142563][ T28] #1: ffff8000205fe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c [ 285.145049][ T28] 2 locks held by syz-executor397/4330: [ 285.146463][ T28] 1 lock held by syz-executor397/4339: [ 285.147808][ T28] #0: ffff0000e22b4188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.178912][ T28] 2 locks held by syz-executor397/4331: [ 285.180340][ T28] 1 lock held by syz-executor397/4341: [ 285.181757][ T28] #0: ffff0000e2374188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.184209][ T28] 1 lock held by syz-executor397/4334: [ 285.185607][ T28] 1 lock held by syz-executor397/4340: [ 285.186868][ T28] #0: ffff0000e23746d0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.208932][ T28] 1 lock held by syz-executor397/4336: [ 285.210400][ T28] 1 lock held by syz-executor397/4343: [ 285.211686][ T28] #0: ffff0000e22b46d0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.214152][ T28] 1 lock held by syz-executor397/4338: [ 285.215473][ T28] 1 lock held by syz-executor397/4342: [ 285.216806][ T28] #0: ffff0000e2374c18 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.238915][ T28] [ 285.239541][ T28] ============================================= [ 285.239541][ T28] [ 285.241671][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 285.243320][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.138-syzkaller #0 [ 285.245159][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 285.247644][ T28] Call trace: [ 285.248471][ T28] dump_backtrace+0x1c8/0x1f4 [ 285.249645][ T28] show_stack+0x2c/0x3c [ 285.250711][ T28] __dump_stack+0x30/0x40 [ 285.251806][ T28] dump_stack_lvl+0xf8/0x160 [ 285.253051][ T28] dump_stack+0x1c/0x5c [ 285.254195][ T28] panic+0x2e0/0x79c [ 285.255175][ T28] hung_task_panic+0x0/0x2c [ 285.256274][ T28] kthread+0x250/0x2d8 [ 285.257308][ T28] ret_from_fork+0x10/0x20 [ 285.258415][ T28] SMP: stopping secondary CPUs [ 285.259673][ T28] Kernel Offset: disabled [ 285.260720][ T28] CPU features: 0x080000,02070084,26017203 [ 285.262253][ T28] Memory Limit: none [ 285.586319][ T28] Rebooting in 86400 seconds..