Warning: Permanently added '10.128.0.102' (ED25519) to the list of known hosts. [ 120.156193][ T4043] cgroup: Unknown subsys name 'net' [ 120.415676][ T4043] cgroup: Unknown subsys name 'rlimit' executing program [ 120.755756][ T4055] loop3: detected capacity change from 0 to 128 executing program [ 120.808191][ T4058] loop4: detected capacity change from 0 to 128 [ 120.815194][ T4055] attempt to access beyond end of device [ 120.815194][ T4055] loop3: rw=0, want=6491538, limit=128 [ 120.818247][ T4055] Buffer I/O error on dev loop3, logical block 3245768, async page read executing program [ 120.830679][ T4055] attempt to access beyond end of device [ 120.830679][ T4055] loop3: rw=0, want=17666808, limit=128 [ 120.833736][ T4055] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 120.835963][ T4055] attempt to access beyond end of device [ 120.835963][ T4055] loop3: rw=0, want=26539620, limit=128 [ 120.839604][ T4055] Buffer I/O error on dev loop3, logical block 13269809, async page read [ 120.842093][ T4055] attempt to access beyond end of device [ 120.842093][ T4055] loop3: rw=0, want=16147214, limit=128 [ 120.848936][ T4061] loop1: detected capacity change from 0 to 128 [ 120.850883][ T4055] Buffer I/O error on dev loop3, logical block 8073606, async page read [ 120.853592][ T4055] attempt to access beyond end of device [ 120.853592][ T4055] loop3: rw=0, want=6491544, limit=128 [ 120.856512][ T4055] Buffer I/O error on dev loop3, logical block 3245771, async page read executing program executing program [ 120.873081][ T4055] attempt to access beyond end of device [ 120.873081][ T4055] loop3: rw=0, want=17668344, limit=128 [ 120.875351][ T4066] loop2: detected capacity change from 0 to 128 [ 120.876160][ T4055] Buffer I/O error on dev loop3, logical block 8834171, async page read [ 120.876231][ T4055] attempt to access beyond end of device [ 120.876231][ T4055] loop3: rw=0, want=26932836, limit=128 [ 120.880779][ T4065] loop0: detected capacity change from 0 to 128 [ 120.883827][ T4058] attempt to access beyond end of device [ 120.883827][ T4058] loop4: rw=0, want=6491538, limit=128 [ 120.888154][ T4058] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 120.895520][ T4061] attempt to access beyond end of device [ 120.895520][ T4061] loop1: rw=0, want=6491538, limit=128 [ 120.902659][ T4061] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 120.905029][ T4061] attempt to access beyond end of device [ 120.905029][ T4061] loop1: rw=0, want=17666808, limit=128 [ 120.907929][ T4061] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 120.911278][ T4058] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 284.688630][ T27] INFO: task syz-executor226:4064 blocked for more than 143 seconds. [ 284.690978][ T27] Not tainted 5.15.185-syzkaller #0 [ 284.692499][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.694690][ T27] task:syz-executor226 state:D stack: 0 pid: 4064 ppid: 4050 flags:0x00000005 [ 284.697353][ T27] Call trace: [ 284.698230][ T27] __switch_to+0x2f4/0x558 [ 284.706687][ T27] __schedule+0xe00/0x1c0c [ 284.707960][ T27] schedule+0x11c/0x1c8 [ 284.709347][ T27] d_wait_lookup+0x154/0x22c [ 284.710554][ T27] d_alloc_parallel+0x998/0x1104 [ 284.711902][ T27] __lookup_slow+0x104/0x380 [ 284.713107][ T27] lookup_slow+0x5c/0x80 [ 284.714282][ T27] walk_component+0x2b0/0x3a8 [ 284.715530][ T27] link_path_walk+0x590/0xb8c [ 284.716784][ T27] path_openat+0x1c0/0x26e4 [ 284.717972][ T27] do_filp_open+0x164/0x330 [ 284.748471][ T27] do_sys_openat2+0x128/0x3d8 [ 284.750047][ T27] __arm64_sys_openat+0x120/0x154 [ 284.751426][ T27] invoke_syscall+0x98/0x2b8 [ 284.752786][ T27] el0_svc_common+0x138/0x258 [ 284.754032][ T27] do_el0_svc+0x58/0x14c [ 284.755170][ T27] el0_svc+0x78/0x1e0 [ 284.756221][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.757639][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.778496][ T27] INFO: task syz-executor226:4067 blocked for more than 143 seconds. [ 284.780781][ T27] Not tainted 5.15.185-syzkaller #0 [ 284.782389][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.784761][ T27] task:syz-executor226 state:D stack: 0 pid: 4067 ppid: 4051 flags:0x00000005 [ 284.787296][ T27] Call trace: [ 284.788165][ T27] __switch_to+0x2f4/0x558 [ 284.818490][ T27] __schedule+0xe00/0x1c0c [ 284.819666][ T27] schedule+0x11c/0x1c8 [ 284.820777][ T27] d_wait_lookup+0x154/0x22c [ 284.822093][ T27] d_alloc_parallel+0x998/0x1104 [ 284.823399][ T27] __lookup_slow+0x104/0x380 [ 284.824634][ T27] lookup_slow+0x5c/0x80 [ 284.825774][ T27] walk_component+0x2b0/0x3a8 [ 284.827020][ T27] link_path_walk+0x590/0xb8c [ 284.828276][ T27] path_openat+0x1c0/0x26e4 [ 284.848473][ T27] do_filp_open+0x164/0x330 [ 284.849772][ T27] do_sys_openat2+0x128/0x3d8 [ 284.851041][ T27] __arm64_sys_openat+0x120/0x154 [ 284.852417][ T27] invoke_syscall+0x98/0x2b8 [ 284.853657][ T27] el0_svc_common+0x138/0x258 [ 284.854915][ T27] do_el0_svc+0x58/0x14c [ 284.856029][ T27] el0_svc+0x78/0x1e0 [ 284.857082][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.878493][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.879807][ T27] INFO: task syz-executor226:4068 blocked for more than 143 seconds. [ 284.881939][ T27] Not tainted 5.15.185-syzkaller #0 [ 284.883457][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.885813][ T27] task:syz-executor226 state:D stack: 0 pid: 4068 ppid: 4053 flags:0x00000005 [ 284.888345][ T27] Call trace: [ 284.908477][ T27] __switch_to+0x2f4/0x558 [ 284.909693][ T27] __schedule+0xe00/0x1c0c [ 284.910899][ T27] schedule+0x11c/0x1c8 [ 284.911986][ T27] d_wait_lookup+0x154/0x22c [ 284.913242][ T27] d_alloc_parallel+0x998/0x1104 [ 284.914607][ T27] __lookup_slow+0x104/0x380 [ 284.915855][ T27] lookup_slow+0x5c/0x80 [ 284.917021][ T27] walk_component+0x2b0/0x3a8 [ 284.918348][ T27] link_path_walk+0x590/0xb8c [ 284.948472][ T27] path_openat+0x1c0/0x26e4 [ 284.949822][ T27] do_filp_open+0x164/0x330 [ 284.951031][ T27] do_sys_openat2+0x128/0x3d8 [ 284.952296][ T27] __arm64_sys_openat+0x120/0x154 [ 284.953673][ T27] invoke_syscall+0x98/0x2b8 [ 284.954896][ T27] el0_svc_common+0x138/0x258 [ 284.956124][ T27] do_el0_svc+0x58/0x14c [ 284.957217][ T27] el0_svc+0x78/0x1e0 [ 284.958270][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.978470][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.979752][ T27] INFO: task syz-executor226:4070 blocked for more than 143 seconds. [ 284.981907][ T27] Not tainted 5.15.185-syzkaller #0 [ 284.983392][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.985764][ T27] task:syz-executor226 state:D stack: 0 pid: 4070 ppid: 4052 flags:0x00000005 [ 284.988235][ T27] Call trace: [ 285.008624][ T27] __switch_to+0x2f4/0x558 [ 285.009938][ T27] __schedule+0xe00/0x1c0c [ 285.011199][ T27] schedule+0x11c/0x1c8 [ 285.012337][ T27] d_wait_lookup+0x154/0x22c [ 285.013617][ T27] d_alloc_parallel+0x998/0x1104 [ 285.014941][ T27] __lookup_slow+0x104/0x380 [ 285.016162][ T27] lookup_slow+0x5c/0x80 [ 285.017330][ T27] walk_component+0x2b0/0x3a8 [ 285.038467][ T27] link_path_walk+0x590/0xb8c [ 285.039829][ T27] path_openat+0x1c0/0x26e4 [ 285.041037][ T27] do_filp_open+0x164/0x330 [ 285.042306][ T27] do_sys_openat2+0x128/0x3d8 [ 285.043587][ T27] __arm64_sys_openat+0x120/0x154 [ 285.044953][ T27] invoke_syscall+0x98/0x2b8 [ 285.046163][ T27] el0_svc_common+0x138/0x258 [ 285.047466][ T27] do_el0_svc+0x58/0x14c [ 285.068473][ T27] el0_svc+0x78/0x1e0 [ 285.069604][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 285.070984][ T27] el0t_64_sync+0x1a0/0x1a4 [ 285.072212][ T27] INFO: task syz-executor226:4069 blocked for more than 143 seconds. [ 285.074426][ T27] Not tainted 5.15.185-syzkaller #0 [ 285.075919][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.078264][ T27] task:syz-executor226 state:D stack: 0 pid: 4069 ppid: 4049 flags:0x00000005 [ 285.108495][ T27] Call trace: [ 285.109506][ T27] __switch_to+0x2f4/0x558 [ 285.110737][ T27] __schedule+0xe00/0x1c0c [ 285.111942][ T27] schedule+0x11c/0x1c8 [ 285.113028][ T27] d_wait_lookup+0x154/0x22c [ 285.114276][ T27] d_alloc_parallel+0x998/0x1104 [ 285.115691][ T27] __lookup_slow+0x104/0x380 [ 285.116891][ T27] lookup_slow+0x5c/0x80 [ 285.117971][ T27] walk_component+0x2b0/0x3a8 [ 285.138470][ T27] link_path_walk+0x590/0xb8c [ 285.139801][ T27] path_openat+0x1c0/0x26e4 [ 285.141062][ T27] do_filp_open+0x164/0x330 [ 285.142315][ T27] do_sys_openat2+0x128/0x3d8 [ 285.143546][ T27] __arm64_sys_openat+0x120/0x154 [ 285.144980][ T27] invoke_syscall+0x98/0x2b8 [ 285.146312][ T27] el0_svc_common+0x138/0x258 [ 285.147516][ T27] do_el0_svc+0x58/0x14c [ 285.166670][ T27] el0_svc+0x78/0x1e0 [ 285.167974][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 285.188468][ T27] el0t_64_sync+0x1a0/0x1a4 [ 285.189702][ T27] [ 285.189702][ T27] Showing all locks held in the system: [ 285.191752][ T27] 1 lock held by khungtaskd/27: [ 285.193060][ T27] #0: ffff8000143311e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 285.195585][ T27] 2 locks held by getty/3800: [ 285.196800][ T27] #0: ffff0000d3a93098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 285.218493][ T27] #1: ffff80001b8002e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 285.221233][ T27] 1 lock held by syz-executor226/4055: [ 285.222731][ T27] 1 lock held by syz-executor226/4064: [ 285.224461][ T27] #0: ffff0000e201c188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.227217][ T27] 1 lock held by syz-executor226/4058: [ 285.248472][ T27] 1 lock held by syz-executor226/4067: [ 285.249982][ T27] #0: ffff0000e201c6d0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.252695][ T27] 1 lock held by syz-executor226/4061: [ 285.254157][ T27] 1 lock held by syz-executor226/4068: [ 285.255606][ T27] #0: ffff0000e201cc18 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.258370][ T27] 1 lock held by syz-executor226/4066: [ 285.283327][ T27] 1 lock held by syz-executor226/4070: [ 285.284876][ T27] #0: ffff0000e20686d0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.287576][ T27] 1 lock held by syz-executor226/4065: [ 285.298497][ T27] 1 lock held by syz-executor226/4069: [ 285.300014][ T27] #0: ffff0000e2068188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 285.302787][ T27] [ 285.303407][ T27] ============================================= [ 285.303407][ T27] [ 285.305641][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 285.307447][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0 [ 285.309623][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 285.312337][ T27] Call trace: [ 285.313251][ T27] dump_backtrace+0x0/0x43c [ 285.314508][ T27] show_stack+0x2c/0x3c [ 285.315681][ T27] __dump_stack+0x30/0x40 [ 285.316866][ T27] dump_stack_lvl+0xf8/0x160 [ 285.318158][ T27] dump_stack+0x1c/0x5c [ 285.319339][ T27] panic+0x2e4/0x854 [ 285.320401][ T27] hung_task_panic+0x0/0x2c [ 285.321627][ T27] kthread+0x374/0x454 [ 285.322766][ T27] ret_from_fork+0x10/0x20 [ 285.323959][ T27] SMP: stopping secondary CPUs [ 285.325270][ T27] Kernel Offset: disabled [ 285.326499][ T27] CPU features: 0x8,000081c1,21302e40 [ 285.328008][ T27] Memory Limit: none [ 285.604452][ T27] Rebooting in 86400 seconds..