Warning: Permanently added '10.128.1.24' (ED25519) to the list of known hosts. [ 121.354994][ T4047] cgroup: Unknown subsys name 'net' [ 121.597063][ T4047] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 122.038825][ T4060] loop3: detected capacity change from 0 to 128 executing program [ 122.045344][ T4065] loop0: detected capacity change from 0 to 128 [ 122.048425][ T4066] loop4: detected capacity change from 0 to 128 [ 122.051044][ T4064] loop1: detected capacity change from 0 to 128 [ 122.055675][ T4067] loop2: detected capacity change from 0 to 128 [ 122.075151][ T4067] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 122.075296][ T4060] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 122.079268][ T4067] attempt to access beyond end of device [ 122.079268][ T4067] loop2: rw=0, want=6491538, limit=128 [ 122.083427][ T4067] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 122.084149][ T4060] attempt to access beyond end of device [ 122.084149][ T4060] loop3: rw=0, want=6491538, limit=128 [ 122.085780][ T4067] attempt to access beyond end of device [ 122.085780][ T4067] loop2: rw=0, want=17666808, limit=128 [ 122.088780][ T4060] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 122.088834][ T4060] attempt to access beyond end of device [ 122.088834][ T4060] loop3: rw=0, want=17666808, limit=128 [ 122.092325][ T4067] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 122.101069][ T4060] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 122.103514][ T4060] attempt to access beyond end of device [ 122.103514][ T4060] loop3: rw=0, want=26539620, limit=128 [ 122.106717][ T4064] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 122.108922][ T4066] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 122.110453][ T4067] attempt to access beyond end of device [ 122.110453][ T4067] loop2: rw=0, want=26539620, limit=128 [ 122.111362][ T4065] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 122.117176][ T4065] attempt to access beyond end of device [ 122.117176][ T4065] loop0: rw=0, want=6491538, limit=128 [ 122.120190][ T4065] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 122.121221][ T4060] Buffer I/O error on dev loop3, logical block 13269809, async page read [ 122.124838][ T4067] Buffer I/O error on dev loop2, logical block 13269809, async page read [ 122.125289][ T4064] attempt to access beyond end of device [ 122.125289][ T4064] loop1: rw=0, want=6491538, limit=128 [ 122.127498][ T4067] attempt to access beyond end of device [ 122.127498][ T4067] loop2: rw=0, want=16147214, limit=128 [ 122.130360][ T4064] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 122.130412][ T4064] attempt to access beyond end of device [ 122.130412][ T4064] loop1: rw=0, want=17666808, limit=128 [ 122.135095][ T4065] Buffer I/O error on dev loop0, logical block 8833403, async page read [ 122.137170][ T4066] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 284.661060][ T27] INFO: task syz-executor226:4069 blocked for more than 143 seconds. [ 284.663471][ T27] Not tainted 5.15.182-syzkaller #0 [ 284.665063][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.667473][ T27] task:syz-executor226 state:D stack: 0 pid: 4069 ppid: 4056 flags:0x00000005 [ 284.670027][ T27] Call trace: [ 284.680921][ T27] __switch_to+0x2f4/0x558 [ 284.682207][ T27] __schedule+0xe00/0x1c0c [ 284.683399][ T27] schedule+0x11c/0x1c8 [ 284.684530][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.686119][ T27] down_write+0xe8/0x12c [ 284.687277][ T27] path_openat+0x5f4/0x26e4 [ 284.688503][ T27] do_filp_open+0x164/0x330 [ 284.689701][ T27] do_sys_openat2+0x128/0x3d8 [ 284.708193][ T27] __arm64_sys_openat+0x120/0x154 [ 284.709688][ T27] invoke_syscall+0x98/0x2b8 [ 284.711018][ T27] el0_svc_common+0x138/0x258 [ 284.720890][ T27] do_el0_svc+0x58/0x14c [ 284.722100][ T27] el0_svc+0x78/0x1e0 [ 284.723190][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.724607][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.725903][ T27] INFO: task syz-executor226:4070 blocked for more than 143 seconds. [ 284.728113][ T27] Not tainted 5.15.182-syzkaller #0 [ 284.729757][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.760911][ T27] task:syz-executor226 state:D stack: 0 pid: 4070 ppid: 4054 flags:0x00000005 [ 284.763477][ T27] Call trace: [ 284.764352][ T27] __switch_to+0x2f4/0x558 [ 284.765526][ T27] __schedule+0xe00/0x1c0c [ 284.766744][ T27] schedule+0x11c/0x1c8 [ 284.767847][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.769413][ T27] down_write+0xe8/0x12c [ 284.770544][ T27] path_openat+0x5f4/0x26e4 [ 284.790917][ T27] do_filp_open+0x164/0x330 [ 284.792228][ T27] do_sys_openat2+0x128/0x3d8 [ 284.793498][ T27] __arm64_sys_openat+0x120/0x154 [ 284.794824][ T27] invoke_syscall+0x98/0x2b8 [ 284.796112][ T27] el0_svc_common+0x138/0x258 [ 284.797371][ T27] do_el0_svc+0x58/0x14c [ 284.798564][ T27] el0_svc+0x78/0x1e0 [ 284.799652][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.821001][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.822313][ T27] INFO: task syz-executor226:4071 blocked for more than 143 seconds. [ 284.824521][ T27] Not tainted 5.15.182-syzkaller #0 [ 284.826002][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.828399][ T27] task:syz-executor226 state:D stack: 0 pid: 4071 ppid: 4053 flags:0x00000005 [ 284.850913][ T27] Call trace: [ 284.851805][ T27] __switch_to+0x2f4/0x558 [ 284.853040][ T27] __schedule+0xe00/0x1c0c [ 284.854194][ T27] schedule+0x11c/0x1c8 [ 284.855266][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.856822][ T27] down_write+0xe8/0x12c [ 284.857926][ T27] path_openat+0x5f4/0x26e4 [ 284.859101][ T27] do_filp_open+0x164/0x330 [ 284.860390][ T27] do_sys_openat2+0x128/0x3d8 [ 284.890905][ T27] __arm64_sys_openat+0x120/0x154 [ 284.892274][ T27] invoke_syscall+0x98/0x2b8 [ 284.893599][ T27] el0_svc_common+0x138/0x258 [ 284.894876][ T27] do_el0_svc+0x58/0x14c [ 284.896087][ T27] el0_svc+0x78/0x1e0 [ 284.897186][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.898549][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.899787][ T27] INFO: task syz-executor226:4073 blocked for more than 143 seconds. [ 284.920887][ T27] Not tainted 5.15.182-syzkaller #0 [ 284.922482][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.924791][ T27] task:syz-executor226 state:D stack: 0 pid: 4073 ppid: 4055 flags:0x00000005 [ 284.927283][ T27] Call trace: [ 284.928197][ T27] __switch_to+0x2f4/0x558 [ 284.929412][ T27] __schedule+0xe00/0x1c0c [ 284.930563][ T27] schedule+0x11c/0x1c8 [ 284.950899][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.952602][ T27] down_write+0xe8/0x12c [ 284.953802][ T27] path_openat+0x5f4/0x26e4 [ 284.955013][ T27] do_filp_open+0x164/0x330 [ 284.956263][ T27] do_sys_openat2+0x128/0x3d8 [ 284.957541][ T27] __arm64_sys_openat+0x120/0x154 [ 284.958868][ T27] invoke_syscall+0x98/0x2b8 [ 284.960091][ T27] el0_svc_common+0x138/0x258 [ 284.990914][ T27] do_el0_svc+0x58/0x14c [ 284.992114][ T27] el0_svc+0x78/0x1e0 [ 284.993164][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.994511][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.995804][ T27] INFO: task syz-executor226:4072 blocked for more than 143 seconds. [ 284.997884][ T27] Not tainted 5.15.182-syzkaller #0 [ 284.999406][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.020905][ T27] task:syz-executor226 state:D stack: 0 pid: 4072 ppid: 4057 flags:0x00000005 [ 285.023488][ T27] Call trace: [ 285.024337][ T27] __switch_to+0x2f4/0x558 [ 285.025544][ T27] __schedule+0xe00/0x1c0c [ 285.026735][ T27] schedule+0x11c/0x1c8 [ 285.027854][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 285.029357][ T27] down_write+0xe8/0x12c [ 285.030456][ T27] path_openat+0x5f4/0x26e4 [ 285.047972][ T27] do_filp_open+0x164/0x330 [ 285.049252][ T27] do_sys_openat2+0x128/0x3d8 [ 285.050539][ T27] __arm64_sys_openat+0x120/0x154 [ 285.055307][ T27] invoke_syscall+0x98/0x2b8 [ 285.056574][ T27] el0_svc_common+0x138/0x258 [ 285.057825][ T27] do_el0_svc+0x58/0x14c [ 285.058988][ T27] el0_svc+0x78/0x1e0 [ 285.060093][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 285.080915][ T27] el0t_64_sync+0x1a0/0x1a4 [ 285.082207][ T27] [ 285.082207][ T27] Showing all locks held in the system: [ 285.084356][ T27] 1 lock held by khungtaskd/27: [ 285.085701][ T27] #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 285.088257][ T27] 2 locks held by getty/3803: [ 285.089511][ T27] #0: ffff0000d397e098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 285.110901][ T27] #1: ffff80001b7802e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 285.113721][ T27] 1 lock held by syz-executor226/4067: [ 285.115182][ T27] 1 lock held by syz-executor226/4069: [ 285.116650][ T27] #0: ffff0000de398188 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.119374][ T27] 2 locks held by syz-executor226/4060: [ 285.141215][ T27] 1 lock held by syz-executor226/4070: [ 285.142732][ T27] #0: ffff0000dceec188 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.145554][ T27] 1 lock held by syz-executor226/4065: [ 285.147038][ T27] 1 lock held by syz-executor226/4071: [ 285.148426][ T27] #0: ffff0000dceecc18 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.180889][ T27] 2 locks held by syz-executor226/4066: [ 285.182429][ T27] 1 lock held by syz-executor226/4073: [ 285.183976][ T27] #0: ffff0000dceed160 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.186825][ T27] 1 lock held by syz-executor226/4064: [ 285.188300][ T27] 1 lock held by syz-executor226/4072: [ 285.189772][ T27] #0: ffff0000dceec6d0 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.210888][ T27] [ 285.211601][ T27] ============================================= [ 285.211601][ T27] [ 285.213931][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 285.215799][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.182-syzkaller #0 [ 285.218057][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 285.220778][ T27] Call trace: [ 285.221663][ T27] dump_backtrace+0x0/0x43c [ 285.222964][ T27] show_stack+0x2c/0x3c [ 285.224063][ T27] __dump_stack+0x30/0x40 [ 285.225321][ T27] dump_stack_lvl+0xf8/0x160 [ 285.226555][ T27] dump_stack+0x1c/0x5c [ 285.227746][ T27] panic+0x2e4/0x854 [ 285.228824][ T27] hung_task_panic+0x0/0x2c [ 285.230022][ T27] kthread+0x374/0x454 [ 285.231103][ T27] ret_from_fork+0x10/0x20 [ 285.232345][ T27] SMP: stopping secondary CPUs [ 285.233642][ T27] Kernel Offset: disabled [ 285.234845][ T27] CPU features: 0x8,000081c1,21302e40 [ 285.236314][ T27] Memory Limit: none [ 285.548170][ T27] Rebooting in 86400 seconds..