Warning: Permanently added '10.128.1.122' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 714.766352][ T28] INFO: task syz-executor176:4260 blocked for more than 143 seconds. [ 714.768580][ T28] Not tainted 6.1.27-syzkaller #0 [ 714.769927][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.772041][ T28] task:syz-executor176 state:D stack:0 pid:4260 ppid:4258 flags:0x00000001 [ 714.774303][ T28] Call trace: [ 714.775073][ T28] __switch_to+0x320/0x754 [ 714.776455][ T28] __schedule+0xee4/0x1c98 [ 714.777530][ T28] schedule+0xc4/0x170 [ 714.778489][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 714.786263][ T28] down_write+0x84/0x88 [ 714.795528][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.796772][ T28] vfs_fallocate+0x478/0x5b4 [ 714.797894][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.799151][ T28] invoke_syscall+0x98/0x2c0 [ 714.800391][ T28] el0_svc_common+0x138/0x258 [ 714.801526][ T28] do_el0_svc+0x64/0x218 [ 714.802578][ T28] el0_svc+0x58/0x168 [ 714.803659][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.804849][ T28] el0t_64_sync+0x18c/0x190 [ 714.805902][ T28] INFO: task syz-executor176:4263 blocked for more than 143 seconds. [ 714.815613][ T28] Not tainted 6.1.27-syzkaller #0 [ 714.817649][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.820528][ T28] task:syz-executor176 state:D stack:0 pid:4263 ppid:4257 flags:0x00000001 [ 714.823504][ T28] Call trace: [ 714.825069][ T28] __switch_to+0x320/0x754 [ 714.826907][ T28] __schedule+0xee4/0x1c98 [ 714.836585][ T28] schedule+0xc4/0x170 [ 714.837591][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 714.838929][ T28] down_write+0x84/0x88 [ 714.839895][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.841758][ T28] vfs_fallocate+0x478/0x5b4 [ 714.843593][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.844899][ T28] invoke_syscall+0x98/0x2c0 [ 714.845981][ T28] el0_svc_common+0x138/0x258 [ 714.847912][ T28] do_el0_svc+0x64/0x218 [ 714.849691][ T28] el0_svc+0x58/0x168 [ 714.851325][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.852538][ T28] el0t_64_sync+0x18c/0x190 [ 714.854361][ T28] INFO: task syz-executor176:4264 blocked for more than 143 seconds. [ 714.857116][ T28] Not tainted 6.1.27-syzkaller #0 [ 714.866890][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.869712][ T28] task:syz-executor176 state:D stack:0 pid:4264 ppid:4254 flags:0x00000001 [ 714.872737][ T28] Call trace: [ 714.873528][ T28] __switch_to+0x320/0x754 [ 714.875269][ T28] __schedule+0xee4/0x1c98 [ 714.877061][ T28] schedule+0xc4/0x170 [ 714.878813][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 714.880965][ T28] down_write+0x84/0x88 [ 714.881974][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.883161][ T28] vfs_fallocate+0x478/0x5b4 [ 714.884973][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.894466][ T28] invoke_syscall+0x98/0x2c0 [ 714.895590][ T28] el0_svc_common+0x138/0x258 [ 714.896700][ T28] do_el0_svc+0x64/0x218 [ 714.898123][ T28] el0_svc+0x58/0x168 [ 714.899142][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.900329][ T28] el0t_64_sync+0x18c/0x190 [ 714.901499][ T28] INFO: task syz-executor176:4266 blocked for more than 143 seconds. [ 714.903521][ T28] Not tainted 6.1.27-syzkaller #0 [ 714.904836][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.906926][ T28] task:syz-executor176 state:D stack:0 pid:4266 ppid:4253 flags:0x00000001 [ 714.909268][ T28] Call trace: [ 714.910111][ T28] __switch_to+0x320/0x754 [ 714.911336][ T28] __schedule+0xee4/0x1c98 [ 714.912409][ T28] schedule+0xc4/0x170 [ 714.936488][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 714.937859][ T28] down_write+0x84/0x88 [ 714.938826][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.939975][ T28] vfs_fallocate+0x478/0x5b4 [ 714.941044][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.942256][ T28] invoke_syscall+0x98/0x2c0 [ 714.943342][ T28] el0_svc_common+0x138/0x258 [ 714.944438][ T28] do_el0_svc+0x64/0x218 [ 714.945438][ T28] el0_svc+0x58/0x168 [ 714.949021][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.950964][ T28] el0t_64_sync+0x18c/0x190 [ 714.952756][ T28] [ 714.952756][ T28] Showing all locks held in the system: [ 714.955336][ T28] 1 lock held by rcu_tasks_kthre/12: [ 714.957350][ T28] #0: ffff800015764d30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 714.959974][ T28] 1 lock held by rcu_tasks_trace/13: [ 714.961188][ T28] #0: ffff800015765530 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 714.963784][ T28] 1 lock held by khungtaskd/28: [ 714.964990][ T28] #0: ffff800015764b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 714.967998][ T28] 2 locks held by syslogd/3823: [ 714.969831][ T28] 2 locks held by getty/3979: [ 714.971724][ T28] #0: ffff0000d7e50098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 714.975025][ T28] #1: ffff80001ce822f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 [ 714.982212][ T28] 1 lock held by syz-executor176/4260: [ 714.983555][ T28] #0: ffff0000c04abfd8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.986127][ T28] 1 lock held by syz-executor176/4262: [ 714.987363][ T28] 1 lock held by syz-executor176/4263: [ 714.988725][ T28] #0: ffff0000c04abfd8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.991367][ T28] 1 lock held by syz-executor176/4264: [ 715.006470][ T28] #0: ffff0000c04abfd8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 715.010191][ T28] 1 lock held by syz-executor176/4266: [ 715.012063][ T28] #0: ffff0000c04abfd8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 715.014765][ T28] 1 lock held by syz-executor176/4273: [ 715.016151][ T28] #0: ffff0000c04abfd8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 715.020418][ T28] [ 715.020958][ T28] ============================================= [ 715.020958][ T28] [ 715.022896][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 715.024500][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.27-syzkaller #0 [ 715.026345][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 715.028746][ T28] Call trace: [ 715.029499][ T28] dump_backtrace+0x1c8/0x1f4 [ 715.030639][ T28] show_stack+0x2c/0x3c [ 715.031685][ T28] dump_stack_lvl+0x108/0x170 [ 715.032783][ T28] dump_stack+0x1c/0x5c [ 715.033776][ T28] panic+0x300/0x7fc [ 715.034682][ T28] hung_task_panic+0x0/0x2c [ 715.035797][ T28] kthread+0x250/0x2d8 [ 715.036797][ T28] ret_from_fork+0x10/0x20 [ 715.037929][ T28] SMP: stopping secondary CPUs [ 715.039093][ T28] Kernel Offset: disabled [ 715.040126][ T28] CPU features: 0x00000,02070084,26017203 [ 715.041520][ T28] Memory Limit: none [ 715.384904][ T28] Rebooting in 86400 seconds..