Warning: Permanently added '10.128.1.72' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 714.739749][ T28] INFO: task syz-executor747:4350 blocked for more than 143 seconds. [ 714.741898][ T28] Not tainted 6.1.18-syzkaller #0 [ 714.743337][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.745540][ T28] task:syz-executor747 state:D stack:0 pid:4350 ppid:4348 flags:0x00000001 [ 714.747921][ T28] Call trace: [ 714.748790][ T28] __switch_to+0x320/0x754 [ 714.750567][ T28] __schedule+0xf9c/0x1d84 [ 714.751725][ T28] schedule+0xc4/0x170 [ 714.752776][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 714.754302][ T28] down_write+0x84/0x88 [ 714.755391][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.756653][ T28] vfs_fallocate+0x478/0x5b4 [ 714.757875][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.759223][ T28] invoke_syscall+0x98/0x2c0 [ 714.760468][ T28] el0_svc_common+0x138/0x258 [ 714.761701][ T28] do_el0_svc+0x64/0x218 [ 714.762818][ T28] el0_svc+0x58/0x168 [ 714.763873][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.765192][ T28] el0t_64_sync+0x18c/0x190 [ 714.766397][ T28] INFO: task syz-executor747:4353 blocked for more than 143 seconds. [ 714.768447][ T28] Not tainted 6.1.18-syzkaller #0 [ 714.769871][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.772532][ T28] task:syz-executor747 state:D stack:0 pid:4353 ppid:4347 flags:0x00000001 [ 714.775248][ T28] Call trace: [ 714.776603][ T28] __switch_to+0x320/0x754 [ 714.778270][ T28] __schedule+0xf9c/0x1d84 [ 714.779967][ T28] schedule+0xc4/0x170 [ 714.781496][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 714.783410][ T28] down_write+0x84/0x88 [ 714.784531][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.785754][ T28] vfs_fallocate+0x478/0x5b4 [ 714.786928][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.788304][ T28] invoke_syscall+0x98/0x2c0 [ 714.789535][ T28] el0_svc_common+0x138/0x258 [ 714.790735][ T28] do_el0_svc+0x64/0x218 [ 714.791799][ T28] el0_svc+0x58/0x168 [ 714.792857][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.794194][ T28] el0t_64_sync+0x18c/0x190 [ 714.795335][ T28] INFO: task syz-executor747:4354 blocked for more than 143 seconds. [ 714.797354][ T28] Not tainted 6.1.18-syzkaller #0 [ 714.798789][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.801048][ T28] task:syz-executor747 state:D stack:0 pid:4354 ppid:4344 flags:0x00000001 [ 714.803397][ T28] Call trace: [ 714.804700][ T28] __switch_to+0x320/0x754 [ 714.806302][ T28] __schedule+0xf9c/0x1d84 [ 714.807885][ T28] schedule+0xc4/0x170 [ 714.809384][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 714.811397][ T28] down_write+0x84/0x88 [ 714.812967][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.814645][ T28] vfs_fallocate+0x478/0x5b4 [ 714.816290][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.817615][ T28] invoke_syscall+0x98/0x2c0 [ 714.818777][ T28] el0_svc_common+0x138/0x258 [ 714.820045][ T28] do_el0_svc+0x64/0x218 [ 714.821123][ T28] el0_svc+0x58/0x168 [ 714.822144][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.823460][ T28] el0t_64_sync+0x18c/0x190 [ 714.824628][ T28] [ 714.824628][ T28] Showing all locks held in the system: [ 714.827178][ T28] 1 lock held by rcu_tasks_kthre/12: [ 714.829101][ T28] #0: ffff800015905db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 714.832444][ T28] 1 lock held by rcu_tasks_trace/13: [ 714.834365][ T28] #0: ffff8000159065b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 714.837792][ T28] 1 lock held by khungtaskd/28: [ 714.839624][ T28] #0: ffff800015905be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 714.842572][ T28] 1 lock held by klogd/3828: [ 714.844277][ T28] 2 locks held by getty/3994: [ 714.845500][ T28] #0: ffff0000d3f2a098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 714.848065][ T28] #1: ffff80001bbc02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 [ 714.850802][ T28] 1 lock held by syz-executor747/4350: [ 714.852238][ T28] #0: ffff0000c05493d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.855586][ T28] 1 lock held by syz-executor747/4352: [ 714.857000][ T28] 1 lock held by syz-executor747/4353: [ 714.858927][ T28] #0: ffff0000c05493d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.862447][ T28] 1 lock held by syz-executor747/4354: [ 714.864348][ T28] #0: ffff0000c05493d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.867635][ T28] 1 lock held by syz-executor747/4356: [ 714.869686][ T28] #0: ffff0000c05493d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.872956][ T28] 1 lock held by syz-executor747/4363: [ 714.874838][ T28] #0: ffff0000c05493d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.877736][ T28] [ 714.878386][ T28] ============================================= [ 714.878386][ T28] [ 714.880650][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 714.882436][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.18-syzkaller #0 [ 714.884441][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 714.887023][ T28] Call trace: [ 714.887825][ T28] dump_backtrace+0x1c8/0x1f4 [ 714.889040][ T28] show_stack+0x2c/0x3c [ 714.890106][ T28] dump_stack_lvl+0x108/0x170 [ 714.891319][ T28] dump_stack+0x1c/0x5c [ 714.892433][ T28] panic+0x300/0x7fc [ 714.893495][ T28] hung_task_panic+0x0/0x2c [ 714.894638][ T28] kthread+0x24c/0x2d4 [ 714.895668][ T28] ret_from_fork+0x10/0x20 [ 714.896781][ T28] SMP: stopping secondary CPUs [ 714.898070][ T28] Kernel Offset: disabled [ 714.899133][ T28] CPU features: 0x00000,02070084,26017203 [ 714.900627][ T28] Memory Limit: none [ 715.277201][ T28] Rebooting in 86400 seconds..