Warning: Permanently added '10.128.0.189' (ED25519) to the list of known hosts. [ 132.905221][ T4046] cgroup: Unknown subsys name 'net' [ 133.168289][ T4046] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 133.479260][ T4046] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS executing program executing program [ 133.639278][ T4060] loop3: detected capacity change from 0 to 128 [ 133.645724][ T4061] loop2: detected capacity change from 0 to 128 executing program executing program [ 133.664585][ T4065] loop1: detected capacity change from 0 to 128 [ 133.665743][ T4066] loop0: detected capacity change from 0 to 128 [ 133.681482][ T4060] attempt to access beyond end of device [ 133.681482][ T4060] loop3: rw=0, want=6491538, limit=128 executing program [ 133.685076][ T4060] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 133.687863][ T4060] attempt to access beyond end of device [ 133.687863][ T4060] loop3: rw=0, want=17666808, limit=128 [ 133.690709][ T4068] loop4: detected capacity change from 0 to 128 [ 133.691004][ T4060] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 133.696830][ T4061] attempt to access beyond end of device [ 133.696830][ T4061] loop2: rw=0, want=6491538, limit=128 [ 133.699860][ T4061] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 133.702054][ T4061] attempt to access beyond end of device [ 133.702054][ T4061] loop2: rw=0, want=17666808, limit=128 [ 133.704800][ T4060] attempt to access beyond end of device [ 133.704800][ T4060] loop3: rw=0, want=26539620, limit=128 [ 133.708360][ T4066] attempt to access beyond end of device [ 133.708360][ T4066] loop0: rw=0, want=6491538, limit=128 [ 133.713104][ T4066] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 133.713341][ T4065] attempt to access beyond end of device [ 133.713341][ T4065] loop1: rw=0, want=6491538, limit=128 [ 133.715349][ T4066] attempt to access beyond end of device [ 133.715349][ T4066] loop0: rw=0, want=17666808, limit=128 [ 133.718176][ T4065] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 133.721091][ T4066] Buffer I/O error on dev loop0, logical block 8833403, async page read [ 133.721139][ T4066] attempt to access beyond end of device [ 133.721139][ T4066] loop0: rw=0, want=26539620, limit=128 [ 133.723467][ T4060] Buffer I/O error on dev loop3, logical block 13269809, async page read [ 133.723515][ T4060] attempt to access beyond end of device [ 133.723515][ T4060] loop3: rw=0, want=16147214, limit=128 [ 133.727939][ T4061] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 133.728544][ T4060] Buffer I/O error on dev loop3, logical block 8073606, async page read [ 133.730685][ T4061] Buffer I/O error on dev loop2, logical block 13269809, async page read [ 284.662262][ T27] INFO: task syz-executor645:4069 blocked for more than 143 seconds. [ 284.664567][ T27] Not tainted 5.15.183-syzkaller #0 [ 284.666082][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.668426][ T27] task:syz-executor645 state:D stack: 0 pid: 4069 ppid: 4054 flags:0x00000005 [ 284.670829][ T27] Call trace: [ 284.671709][ T27] __switch_to+0x2f4/0x558 [ 284.692124][ T27] __schedule+0xe00/0x1c0c [ 284.693303][ T27] schedule+0x11c/0x1c8 [ 284.694399][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.695917][ T27] down_write+0xe8/0x12c [ 284.697033][ T27] path_openat+0x5f4/0x26e4 [ 284.698260][ T27] do_filp_open+0x164/0x330 [ 284.699457][ T27] do_sys_openat2+0x128/0x3d8 [ 284.700661][ T27] __arm64_sys_openat+0x120/0x154 [ 284.701953][ T27] invoke_syscall+0x98/0x2b8 [ 284.722128][ T27] el0_svc_common+0x138/0x258 [ 284.723401][ T27] do_el0_svc+0x58/0x14c [ 284.724543][ T27] el0_svc+0x78/0x1e0 [ 284.725655][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.726996][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.728213][ T27] INFO: task syz-executor645:4070 blocked for more than 143 seconds. [ 284.730315][ T27] Not tainted 5.15.183-syzkaller #0 [ 284.731795][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.762128][ T27] task:syz-executor645 state:D stack: 0 pid: 4070 ppid: 4056 flags:0x00000005 [ 284.764634][ T27] Call trace: [ 284.765498][ T27] __switch_to+0x2f4/0x558 [ 284.766682][ T27] __schedule+0xe00/0x1c0c [ 284.767886][ T27] schedule+0x11c/0x1c8 [ 284.768985][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.770532][ T27] down_write+0xe8/0x12c [ 284.771688][ T27] path_openat+0x5f4/0x26e4 [ 284.792135][ T27] do_filp_open+0x164/0x330 [ 284.793505][ T27] do_sys_openat2+0x128/0x3d8 [ 284.794818][ T27] __arm64_sys_openat+0x120/0x154 [ 284.796181][ T27] invoke_syscall+0x98/0x2b8 [ 284.797377][ T27] el0_svc_common+0x138/0x258 [ 284.798634][ T27] do_el0_svc+0x58/0x14c [ 284.799795][ T27] el0_svc+0x78/0x1e0 [ 284.800853][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.822142][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.823512][ T27] INFO: task syz-executor645:4071 blocked for more than 143 seconds. [ 284.825633][ T27] Not tainted 5.15.183-syzkaller #0 [ 284.827107][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.829409][ T27] task:syz-executor645 state:D stack: 0 pid: 4071 ppid: 4053 flags:0x00000005 [ 284.831841][ T27] Call trace: [ 284.852136][ T27] __switch_to+0x2f4/0x558 [ 284.853347][ T27] __schedule+0xe00/0x1c0c [ 284.854498][ T27] schedule+0x11c/0x1c8 [ 284.855605][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.857166][ T27] down_write+0xe8/0x12c [ 284.858268][ T27] path_openat+0x5f4/0x26e4 [ 284.859507][ T27] do_filp_open+0x164/0x330 [ 284.860696][ T27] do_sys_openat2+0x128/0x3d8 [ 284.861912][ T27] __arm64_sys_openat+0x120/0x154 [ 284.892220][ T27] invoke_syscall+0x98/0x2b8 [ 284.893517][ T27] el0_svc_common+0x138/0x258 [ 284.894809][ T27] do_el0_svc+0x58/0x14c [ 284.895909][ T27] el0_svc+0x78/0x1e0 [ 284.896939][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.898311][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.899678][ T27] INFO: task syz-executor645:4072 blocked for more than 143 seconds. [ 284.901801][ T27] Not tainted 5.15.183-syzkaller #0 [ 284.922123][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.924383][ T27] task:syz-executor645 state:D stack: 0 pid: 4072 ppid: 4057 flags:0x00000005 [ 284.926824][ T27] Call trace: [ 284.927665][ T27] __switch_to+0x2f4/0x558 [ 284.928853][ T27] __schedule+0xe00/0x1c0c [ 284.930023][ T27] schedule+0x11c/0x1c8 [ 284.931104][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.952152][ T27] down_write+0xe8/0x12c [ 284.953406][ T27] path_openat+0x5f4/0x26e4 [ 284.954631][ T27] do_filp_open+0x164/0x330 [ 284.955811][ T27] do_sys_openat2+0x128/0x3d8 [ 284.956997][ T27] __arm64_sys_openat+0x120/0x154 [ 284.958278][ T27] invoke_syscall+0x98/0x2b8 [ 284.959498][ T27] el0_svc_common+0x138/0x258 [ 284.960645][ T27] do_el0_svc+0x58/0x14c [ 284.961717][ T27] el0_svc+0x78/0x1e0 [ 284.988856][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.990306][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.991479][ T27] INFO: task syz-executor645:4073 blocked for more than 143 seconds. [ 285.002127][ T27] Not tainted 5.15.183-syzkaller #0 [ 285.003710][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.005923][ T27] task:syz-executor645 state:D stack: 0 pid: 4073 ppid: 4055 flags:0x00000005 [ 285.008288][ T27] Call trace: [ 285.009159][ T27] __switch_to+0x2f4/0x558 [ 285.010302][ T27] __schedule+0xe00/0x1c0c [ 285.011440][ T27] schedule+0x11c/0x1c8 [ 285.042137][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 285.043748][ T27] down_write+0xe8/0x12c [ 285.044863][ T27] path_openat+0x5f4/0x26e4 [ 285.046000][ T27] do_filp_open+0x164/0x330 [ 285.047245][ T27] do_sys_openat2+0x128/0x3d8 [ 285.048438][ T27] __arm64_sys_openat+0x120/0x154 [ 285.049815][ T27] invoke_syscall+0x98/0x2b8 [ 285.051090][ T27] el0_svc_common+0x138/0x258 [ 285.062195][ T27] do_el0_svc+0x58/0x14c [ 285.063379][ T27] el0_svc+0x78/0x1e0 [ 285.064449][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 285.065763][ T27] el0t_64_sync+0x1a0/0x1a4 [ 285.066934][ T27] [ 285.066934][ T27] Showing all locks held in the system: [ 285.068884][ T27] 1 lock held by khungtaskd/27: [ 285.070130][ T27] #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 285.102177][ T27] 2 locks held by getty/3794: [ 285.103479][ T27] #0: ffff0000d3d84098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 285.105998][ T27] #1: ffff80001b7802e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 285.108666][ T27] 1 lock held by syz-executor645/4060: [ 285.110059][ T27] 2 locks held by syz-executor645/4069: [ 285.111509][ T27] #0: ffff0000c846c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.132150][ T27] #1: ffff0000e2014188 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.135001][ T27] 1 lock held by syz-executor645/4061: [ 285.136429][ T27] 2 locks held by syz-executor645/4070: [ 285.137821][ T27] #0: ffff0000c8cbc460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.140500][ T27] #1: ffff0000e2058188 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.172135][ T27] 1 lock held by syz-executor645/4066: [ 285.173707][ T27] 2 locks held by syz-executor645/4071: [ 285.175110][ T27] #0: ffff0000c884c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.177535][ T27] #1: ffff0000e20586d0 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.180167][ T27] 1 lock held by syz-executor645/4065: [ 285.181620][ T27] 2 locks held by syz-executor645/4072: [ 285.202135][ T27] #0: ffff0000d4d8c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.204848][ T27] #1: ffff0000e20146d0 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.207618][ T27] 1 lock held by syz-executor645/4068: [ 285.209028][ T27] 2 locks held by syz-executor645/4073: [ 285.210480][ T27] #0: ffff0000c89da460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.232127][ T27] #1: ffff0000e2058c18 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.234836][ T27] [ 285.235475][ T27] ============================================= [ 285.235475][ T27] [ 285.237575][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 285.239288][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.183-syzkaller #0 [ 285.241308][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 285.243918][ T27] Call trace: [ 285.244762][ T27] dump_backtrace+0x0/0x43c [ 285.245980][ T27] show_stack+0x2c/0x3c [ 285.247091][ T27] __dump_stack+0x30/0x40 [ 285.248237][ T27] dump_stack_lvl+0xf8/0x160 [ 285.249434][ T27] dump_stack+0x1c/0x5c [ 285.250556][ T27] panic+0x2e4/0x854 [ 285.251576][ T27] hung_task_panic+0x0/0x2c [ 285.252724][ T27] kthread+0x374/0x454 [ 285.253795][ T27] ret_from_fork+0x10/0x20 [ 285.254964][ T27] SMP: stopping secondary CPUs [ 285.256219][ T27] Kernel Offset: disabled [ 285.257347][ T27] CPU features: 0x8,000081c1,21302e40 [ 285.258762][ T27] Memory Limit: none [ 285.577498][ T27] Rebooting in 86400 seconds..