Warning: Permanently added '10.128.15.197' (ED25519) to the list of known hosts. [ 114.291440][ T4315] cgroup: Unknown subsys name 'net' [ 114.502728][ T4315] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 114.889865][ T4327] loop0: detected capacity change from 0 to 128 [ 114.910999][ T4329] loop2: detected capacity change from 0 to 128 [ 114.916916][ T4327] syz-executor214: attempt to access beyond end of device executing program [ 114.916916][ T4327] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 114.928296][ T4335] loop3: detected capacity change from 0 to 128 [ 114.928909][ T4333] loop4: detected capacity change from 0 to 128 [ 114.931595][ T4327] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 114.932043][ T4334] loop1: detected capacity change from 0 to 128 [ 114.933979][ T4327] syz-executor214: attempt to access beyond end of device [ 114.933979][ T4327] loop0: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 114.940931][ T4335] syz-executor214: attempt to access beyond end of device [ 114.940931][ T4335] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 114.944621][ T4335] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 114.946767][ T4335] syz-executor214: attempt to access beyond end of device [ 114.946767][ T4335] loop3: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 114.952487][ T4334] syz-executor214: attempt to access beyond end of device [ 114.952487][ T4334] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 114.952757][ T4329] syz-executor214: attempt to access beyond end of device [ 114.952757][ T4329] loop2: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 114.956077][ T4334] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 114.962472][ T4327] Buffer I/O error on dev loop0, logical block 8833403, async page read [ 114.963498][ T4333] syz-executor214: attempt to access beyond end of device [ 114.963498][ T4333] loop4: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 114.964676][ T4327] syz-executor214: attempt to access beyond end of device [ 114.964676][ T4327] loop0: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 114.972184][ T4329] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 114.973134][ T4333] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 114.974481][ T4329] syz-executor214: attempt to access beyond end of device [ 114.974481][ T4329] loop2: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 114.976553][ T4333] syz-executor214: attempt to access beyond end of device [ 114.976553][ T4333] loop4: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 114.980362][ T4335] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 114.985206][ T4334] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 114.987921][ T4327] Buffer I/O error on dev loop0, logical block 13269809, async page read [ 114.992381][ T4335] Buffer I/O error on dev loop3, logical block 13269809, async page read [ 284.647499][ T28] INFO: task syz-executor214:4337 blocked for more than 143 seconds. [ 284.649765][ T28] Not tainted 6.1.134-syzkaller #0 [ 284.651208][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.653446][ T28] task:syz-executor214 state:D stack:0 pid:4337 ppid:4321 flags:0x00000005 [ 284.655875][ T28] Call trace: [ 284.656723][ T28] __switch_to+0x308/0x598 [ 284.677408][ T28] __schedule+0xef4/0x1d44 [ 284.678645][ T28] schedule+0xc4/0x170 [ 284.679702][ T28] schedule_preempt_disabled+0x18/0x2c [ 284.681128][ T28] rwsem_down_read_slowpath+0x534/0x858 [ 284.682570][ T28] down_read+0xac/0x308 [ 284.683673][ T28] path_openat+0x5dc/0x2548 [ 284.684830][ T28] do_filp_open+0x1bc/0x3cc [ 284.686004][ T28] do_sys_openat2+0x128/0x3e0 [ 284.687190][ T28] __arm64_sys_openat+0x1f0/0x240 [ 284.707442][ T28] invoke_syscall+0x98/0x2bc [ 284.708733][ T28] el0_svc_common+0x138/0x258 [ 284.709923][ T28] do_el0_svc+0x58/0x13c [ 284.711009][ T28] el0_svc+0x58/0x168 [ 284.712049][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.713345][ T28] el0t_64_sync+0x18c/0x190 [ 284.714493][ T28] INFO: task syz-executor214:4339 blocked for more than 143 seconds. [ 284.716620][ T28] Not tainted 6.1.134-syzkaller #0 [ 284.737410][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.739782][ T28] task:syz-executor214 state:D stack:0 pid:4339 ppid:4324 flags:0x00000005 [ 284.742162][ T28] Call trace: [ 284.742995][ T28] __switch_to+0x308/0x598 [ 284.744161][ T28] __schedule+0xef4/0x1d44 [ 284.745268][ T28] schedule+0xc4/0x170 [ 284.746310][ T28] schedule_preempt_disabled+0x18/0x2c [ 284.767440][ T28] rwsem_down_read_slowpath+0x534/0x858 [ 284.769043][ T28] down_read+0xac/0x308 [ 284.770121][ T28] path_openat+0x5dc/0x2548 [ 284.771320][ T28] do_filp_open+0x1bc/0x3cc [ 284.772493][ T28] do_sys_openat2+0x128/0x3e0 [ 284.773735][ T28] __arm64_sys_openat+0x1f0/0x240 [ 284.775046][ T28] invoke_syscall+0x98/0x2bc [ 284.776254][ T28] el0_svc_common+0x138/0x258 [ 284.798040][ T28] do_el0_svc+0x58/0x13c [ 284.799176][ T28] el0_svc+0x58/0x168 [ 284.800184][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.801454][ T28] el0t_64_sync+0x18c/0x190 [ 284.817458][ T28] INFO: task syz-executor214:4340 blocked for more than 143 seconds. [ 284.819641][ T28] Not tainted 6.1.134-syzkaller #0 [ 284.821128][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.823408][ T28] task:syz-executor214 state:D stack:0 pid:4340 ppid:4323 flags:0x00000005 [ 284.825822][ T28] Call trace: [ 284.826679][ T28] __switch_to+0x308/0x598 [ 284.857383][ T28] __schedule+0xef4/0x1d44 [ 284.858648][ T28] schedule+0xc4/0x170 [ 284.859707][ T28] schedule_preempt_disabled+0x18/0x2c [ 284.861260][ T28] rwsem_down_read_slowpath+0x534/0x858 [ 284.862683][ T28] down_read+0xac/0x308 [ 284.863838][ T28] path_openat+0x5dc/0x2548 [ 284.865018][ T28] do_filp_open+0x1bc/0x3cc [ 284.866209][ T28] do_sys_openat2+0x128/0x3e0 [ 284.887405][ T28] __arm64_sys_openat+0x1f0/0x240 [ 284.888968][ T28] invoke_syscall+0x98/0x2bc [ 284.890237][ T28] el0_svc_common+0x138/0x258 [ 284.891489][ T28] do_el0_svc+0x58/0x13c [ 284.892632][ T28] el0_svc+0x58/0x168 [ 284.893778][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.895135][ T28] el0t_64_sync+0x18c/0x190 [ 284.896370][ T28] INFO: task syz-executor214:4341 blocked for more than 143 seconds. [ 284.917385][ T28] Not tainted 6.1.134-syzkaller #0 [ 284.918942][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.921330][ T28] task:syz-executor214 state:D stack:0 pid:4341 ppid:4325 flags:0x00000005 [ 284.923861][ T28] Call trace: [ 284.924709][ T28] __switch_to+0x308/0x598 [ 284.925938][ T28] __schedule+0xef4/0x1d44 [ 284.927087][ T28] schedule+0xc4/0x170 [ 284.947403][ T28] schedule_preempt_disabled+0x18/0x2c [ 284.948938][ T28] rwsem_down_read_slowpath+0x534/0x858 [ 284.950427][ T28] down_read+0xac/0x308 [ 284.951545][ T28] path_openat+0x5dc/0x2548 [ 284.952774][ T28] do_filp_open+0x1bc/0x3cc [ 284.953954][ T28] do_sys_openat2+0x128/0x3e0 [ 284.955225][ T28] __arm64_sys_openat+0x1f0/0x240 [ 284.956574][ T28] invoke_syscall+0x98/0x2bc [ 284.987421][ T28] el0_svc_common+0x138/0x258 [ 284.988796][ T28] do_el0_svc+0x58/0x13c [ 284.989889][ T28] el0_svc+0x58/0x168 [ 284.990944][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.992237][ T28] el0t_64_sync+0x18c/0x190 [ 284.993438][ T28] INFO: task syz-executor214:4338 blocked for more than 143 seconds. [ 284.995581][ T28] Not tainted 6.1.134-syzkaller #0 [ 284.997096][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.017492][ T28] task:syz-executor214 state:D stack:0 pid:4338 ppid:4322 flags:0x00000005 [ 285.019972][ T28] Call trace: [ 285.020862][ T28] __switch_to+0x308/0x598 [ 285.022171][ T28] __schedule+0xef4/0x1d44 [ 285.023229][ T28] schedule+0xc4/0x170 [ 285.024265][ T28] schedule_preempt_disabled+0x18/0x2c [ 285.025705][ T28] rwsem_down_read_slowpath+0x534/0x858 [ 285.027216][ T28] down_read+0xac/0x308 [ 285.057443][ T28] path_openat+0x5dc/0x2548 [ 285.058722][ T28] do_filp_open+0x1bc/0x3cc [ 285.059993][ T28] do_sys_openat2+0x128/0x3e0 [ 285.061402][ T28] __arm64_sys_openat+0x1f0/0x240 [ 285.062763][ T28] invoke_syscall+0x98/0x2bc [ 285.064028][ T28] el0_svc_common+0x138/0x258 [ 285.065367][ T28] do_el0_svc+0x58/0x13c [ 285.066525][ T28] el0_svc+0x58/0x168 [ 285.087457][ T28] el0t_64_sync_handler+0x84/0xf0 [ 285.088849][ T28] el0t_64_sync+0x18c/0x190 [ 285.090182][ T28] [ 285.090182][ T28] Showing all locks held in the system: [ 285.092258][ T28] 1 lock held by rcu_tasks_kthre/12: [ 285.093657][ T28] #0: ffff800015cc7a70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 285.096428][ T28] 1 lock held by rcu_tasks_trace/13: [ 285.117382][ T28] #0: ffff800015cc8270 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 285.120433][ T28] 1 lock held by khungtaskd/28: [ 285.121814][ T28] #0: ffff800015cc78a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 285.124293][ T28] 2 locks held by getty/4057: [ 285.125528][ T28] #0: ffff0000d657c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 285.157384][ T28] #1: ffff80001d9002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 285.160301][ T28] 2 locks held by syz-executor214/4327: [ 285.161828][ T28] 1 lock held by syz-executor214/4337: [ 285.163451][ T28] #0: ffff0000e1e7c188 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5dc/0x2548 [ 285.166173][ T28] 2 locks held by syz-executor214/4329: [ 285.187417][ T28] 1 lock held by syz-executor214/4339: [ 285.188978][ T28] #0: ffff0000e1e7cc18 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5dc/0x2548 [ 285.191818][ T28] 3 locks held by syz-executor214/4333: [ 285.193277][ T28] 1 lock held by syz-executor214/4340: [ 285.194671][ T28] #0: ffff0000e1f1c6d0 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5dc/0x2548 [ 285.217391][ T28] 2 locks held by syz-executor214/4334: [ 285.218993][ T28] 1 lock held by syz-executor214/4341: [ 285.220441][ T28] #0: ffff0000e1f1c188 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5dc/0x2548 [ 285.223214][ T28] 2 locks held by syz-executor214/4335: [ 285.224705][ T28] 1 lock held by syz-executor214/4338: [ 285.226130][ T28] #0: ffff0000e1e7c6d0 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x5dc/0x2548 [ 285.257391][ T28] [ 285.258031][ T28] ============================================= [ 285.258031][ T28] [ 285.260341][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 285.262194][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.134-syzkaller #0 [ 285.264326][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 285.267100][ T28] Call trace: [ 285.267962][ T28] dump_backtrace+0x1c8/0x1f4 [ 285.269217][ T28] show_stack+0x2c/0x3c [ 285.270379][ T28] dump_stack_lvl+0x108/0x170 [ 285.271780][ T28] dump_stack+0x1c/0x105c [ 285.272979][ T28] panic+0x300/0x804 [ 285.274067][ T28] hung_task_panic+0x0/0x2c [ 285.275332][ T28] kthread+0x250/0x2d8 [ 285.276480][ T28] ret_from_fork+0x10/0x20 [ 285.277714][ T28] SMP: stopping secondary CPUs [ 285.279029][ T28] Kernel Offset: disabled [ 285.280211][ T28] CPU features: 0x080000,02070084,26017203 [ 285.281783][ T28] Memory Limit: none [ 285.618797][ T28] Rebooting in 86400 seconds..