Warning: Permanently added '10.128.0.33' (ED25519) to the list of known hosts. [ 125.312259][ T4045] cgroup: Unknown subsys name 'net' [ 125.590244][ T4045] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 126.027208][ T4059] loop1: detected capacity change from 0 to 128 [ 126.029675][ T4062] loop4: detected capacity change from 0 to 128 executing program [ 126.038559][ T4064] loop2: detected capacity change from 0 to 128 [ 126.044546][ T4058] loop0: detected capacity change from 0 to 128 executing program [ 126.053183][ T4066] loop3: detected capacity change from 0 to 128 [ 126.060426][ T4062] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 126.062329][ T4059] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 126.064540][ T4062] attempt to access beyond end of device [ 126.064540][ T4062] loop4: rw=0, want=6491538, limit=128 [ 126.068937][ T4062] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 126.069246][ T4059] attempt to access beyond end of device [ 126.069246][ T4059] loop1: rw=0, want=6491538, limit=128 [ 126.071225][ T4062] attempt to access beyond end of device [ 126.071225][ T4062] loop4: rw=0, want=17666808, limit=128 [ 126.078444][ T4062] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 126.080857][ T4062] attempt to access beyond end of device [ 126.080857][ T4062] loop4: rw=0, want=26539620, limit=128 [ 126.083916][ T4062] Buffer I/O error on dev loop4, logical block 13269809, async page read [ 126.084146][ T4059] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 126.086331][ T4062] attempt to access beyond end of device [ 126.086331][ T4062] loop4: rw=0, want=16147214, limit=128 [ 126.088530][ T4059] attempt to access beyond end of device [ 126.088530][ T4059] loop1: rw=0, want=17666808, limit=128 [ 126.088551][ T4059] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 126.091650][ T4062] Buffer I/O error on dev loop4, logical block 8073606, async page read [ 126.098832][ T4059] attempt to access beyond end of device [ 126.098832][ T4059] loop1: rw=0, want=26539620, limit=128 [ 126.101155][ T4062] attempt to access beyond end of device [ 126.101155][ T4062] loop4: rw=0, want=6491544, limit=128 [ 126.102870][ T4059] Buffer I/O error on dev loop1, logical block 13269809, async page read [ 126.104891][ T4066] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 126.107363][ T4059] attempt to access beyond end of device [ 126.107363][ T4059] loop1: rw=0, want=16147214, limit=128 [ 126.109399][ T4058] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 126.112049][ T4059] Buffer I/O error on dev loop1, logical block 8073606, async page read [ 126.114711][ T4066] attempt to access beyond end of device [ 126.114711][ T4066] loop3: rw=0, want=6491538, limit=128 [ 126.117241][ T4059] Buffer I/O error on dev loop1, logical block 3245771, async page read [ 126.119306][ T4066] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 126.142991][ T4064] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 284.673555][ T27] INFO: task syz-executor327:4068 blocked for more than 143 seconds. [ 284.675856][ T27] Not tainted 5.15.184-syzkaller #0 [ 284.677389][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.679654][ T27] task:syz-executor327 state:D stack: 0 pid: 4068 ppid: 4055 flags:0x00000005 [ 284.682091][ T27] Call trace: [ 284.682943][ T27] __switch_to+0x2f4/0x558 [ 284.693406][ T27] __schedule+0xe00/0x1c0c [ 284.694633][ T27] schedule+0x11c/0x1c8 [ 284.695727][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.697194][ T27] down_write+0xe8/0x12c [ 284.698324][ T27] path_openat+0x5f4/0x26e4 [ 284.699493][ T27] do_filp_open+0x164/0x330 [ 284.700661][ T27] do_sys_openat2+0x128/0x3d8 [ 284.701891][ T27] __arm64_sys_openat+0x120/0x154 [ 284.703216][ T27] invoke_syscall+0x98/0x2b8 [ 284.723399][ T27] el0_svc_common+0x138/0x258 [ 284.724705][ T27] do_el0_svc+0x58/0x14c [ 284.725866][ T27] el0_svc+0x78/0x1e0 [ 284.726909][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.728217][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.729421][ T27] INFO: task syz-executor327:4070 blocked for more than 143 seconds. [ 284.731508][ T27] Not tainted 5.15.184-syzkaller #0 [ 284.732979][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.763405][ T27] task:syz-executor327 state:D stack: 0 pid: 4070 ppid: 4051 flags:0x00000005 [ 284.765983][ T27] Call trace: [ 284.766866][ T27] __switch_to+0x2f4/0x558 [ 284.768059][ T27] __schedule+0xe00/0x1c0c [ 284.769235][ T27] schedule+0x11c/0x1c8 [ 284.770290][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.771800][ T27] down_write+0xe8/0x12c [ 284.772907][ T27] path_openat+0x5f4/0x26e4 [ 284.793421][ T27] do_filp_open+0x164/0x330 [ 284.794673][ T27] do_sys_openat2+0x128/0x3d8 [ 284.795932][ T27] __arm64_sys_openat+0x120/0x154 [ 284.797259][ T27] invoke_syscall+0x98/0x2b8 [ 284.798495][ T27] el0_svc_common+0x138/0x258 [ 284.799713][ T27] do_el0_svc+0x58/0x14c [ 284.800819][ T27] el0_svc+0x78/0x1e0 [ 284.801863][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.803206][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.833498][ T27] INFO: task syz-executor327:4071 blocked for more than 143 seconds. [ 284.835719][ T27] Not tainted 5.15.184-syzkaller #0 [ 284.837219][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.839482][ T27] task:syz-executor327 state:D stack: 0 pid: 4071 ppid: 4054 flags:0x00000005 [ 284.841906][ T27] Call trace: [ 284.842784][ T27] __switch_to+0x2f4/0x558 [ 284.863409][ T27] __schedule+0xe00/0x1c0c [ 284.864631][ T27] schedule+0x11c/0x1c8 [ 284.865686][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.867141][ T27] down_write+0xe8/0x12c [ 284.868232][ T27] path_openat+0x5f4/0x26e4 [ 284.869387][ T27] do_filp_open+0x164/0x330 [ 284.870565][ T27] do_sys_openat2+0x128/0x3d8 [ 284.872034][ T27] __arm64_sys_openat+0x120/0x154 [ 284.873345][ T27] invoke_syscall+0x98/0x2b8 [ 284.894577][ T27] el0_svc_common+0x138/0x258 [ 284.895820][ T27] do_el0_svc+0x58/0x14c [ 284.896944][ T27] el0_svc+0x78/0x1e0 [ 284.897968][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.899257][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.900450][ T27] INFO: task syz-executor327:4067 blocked for more than 143 seconds. [ 284.902577][ T27] Not tainted 5.15.184-syzkaller #0 [ 284.923405][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.925775][ T27] task:syz-executor327 state:D stack: 0 pid: 4067 ppid: 4053 flags:0x00000005 [ 284.928132][ T27] Call trace: [ 284.928994][ T27] __switch_to+0x2f4/0x558 [ 284.930109][ T27] __schedule+0xe00/0x1c0c [ 284.931254][ T27] schedule+0x11c/0x1c8 [ 284.932320][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 284.963407][ T27] down_write+0xe8/0x12c [ 284.964578][ T27] path_openat+0x5f4/0x26e4 [ 284.965760][ T27] do_filp_open+0x164/0x330 [ 284.966972][ T27] do_sys_openat2+0x128/0x3d8 [ 284.968201][ T27] __arm64_sys_openat+0x120/0x154 [ 284.969552][ T27] invoke_syscall+0x98/0x2b8 [ 284.970769][ T27] el0_svc_common+0x138/0x258 [ 284.972028][ T27] do_el0_svc+0x58/0x14c [ 284.973181][ T27] el0_svc+0x78/0x1e0 [ 284.993509][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.994847][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.996107][ T27] INFO: task syz-executor327:4069 blocked for more than 143 seconds. [ 284.998206][ T27] Not tainted 5.15.184-syzkaller #0 [ 284.999833][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.002117][ T27] task:syz-executor327 state:D stack: 0 pid: 4069 ppid: 4052 flags:0x0000000d [ 285.023402][ T27] Call trace: [ 285.024284][ T27] __switch_to+0x2f4/0x558 [ 285.025446][ T27] __schedule+0xe00/0x1c0c [ 285.026583][ T27] schedule+0x11c/0x1c8 [ 285.027688][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 285.029163][ T27] down_write+0xe8/0x12c [ 285.030258][ T27] path_openat+0x5f4/0x26e4 [ 285.031399][ T27] do_filp_open+0x164/0x330 [ 285.032621][ T27] do_sys_openat2+0x128/0x3d8 [ 285.053402][ T27] __arm64_sys_openat+0x120/0x154 [ 285.054769][ T27] invoke_syscall+0x98/0x2b8 [ 285.055980][ T27] el0_svc_common+0x138/0x258 [ 285.057291][ T27] do_el0_svc+0x58/0x14c [ 285.058405][ T27] el0_svc+0x78/0x1e0 [ 285.059495][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 285.060902][ T27] el0t_64_sync+0x1a0/0x1a4 [ 285.062131][ T27] [ 285.062131][ T27] Showing all locks held in the system: [ 285.093424][ T27] 1 lock held by khungtaskd/27: [ 285.094825][ T27] #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 285.097331][ T27] 2 locks held by getty/3790: [ 285.098553][ T27] #0: ffff0000d4aea098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 285.101187][ T27] #1: ffff80001bb5e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 285.123415][ T27] 3 locks held by syz-executor327/4059: [ 285.124923][ T27] 2 locks held by syz-executor327/4068: [ 285.126399][ T27] #0: ffff0000c87f0460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.128950][ T27] #1: ffff0000de7c0188 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.131768][ T27] 2 locks held by syz-executor327/4058: [ 285.133293][ T27] 2 locks held by syz-executor327/4070: [ 285.153425][ T27] #0: ffff0000c89ec460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.155985][ T27] #1: ffff0000de7c0c18 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.158714][ T27] 3 locks held by syz-executor327/4064: [ 285.160247][ T27] 2 locks held by syz-executor327/4071: [ 285.161683][ T27] #0: ffff0000c8f6e460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.193404][ T27] #1: ffff0000de7c1160 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.196095][ T27] 3 locks held by syz-executor327/4062: [ 285.197542][ T27] 2 locks held by syz-executor327/4067: [ 285.198996][ T27] #0: ffff0000da4ce460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.201524][ T27] #1: ffff0000de7e8188 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.223430][ T27] 4 locks held by syz-executor327/4066: [ 285.224936][ T27] 2 locks held by syz-executor327/4069: [ 285.226390][ T27] #0: ffff0000c8b2a460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.228877][ T27] #1: ffff0000de7c06d0 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x5f4/0x26e4 [ 285.231683][ T27] [ 285.232280][ T27] ============================================= [ 285.232280][ T27] [ 285.253408][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 285.255293][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.184-syzkaller #0 [ 285.257478][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 285.260014][ T27] Call trace: [ 285.260849][ T27] dump_backtrace+0x0/0x43c [ 285.262008][ T27] show_stack+0x2c/0x3c [ 285.263053][ T27] __dump_stack+0x30/0x40 [ 285.264203][ T27] dump_stack_lvl+0xf8/0x160 [ 285.265418][ T27] dump_stack+0x1c/0x5c [ 285.266553][ T27] panic+0x2e4/0x854 [ 285.267538][ T27] hung_task_panic+0x0/0x2c [ 285.268767][ T27] kthread+0x374/0x454 [ 285.269856][ T27] ret_from_fork+0x10/0x20 [ 285.270996][ T27] SMP: stopping secondary CPUs [ 285.272368][ T27] Kernel Offset: disabled [ 285.273560][ T27] CPU features: 0x8,000081c1,21302e40 [ 285.274951][ T27] Memory Limit: none [ 285.582093][ T27] Rebooting in 86400 seconds..