Warning: Permanently added '10.128.1.158' (ED25519) to the list of known hosts.
executing program
[  307.461440][ T6109] block nbd0: shutting down sockets
[  571.396382][   T29] INFO: task syz-executor219:6109 blocked for more than 143 seconds.
[  571.398569][   T29]       Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0
[  571.400376][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  571.402628][   T29] task:syz-executor219 state:D stack:0     pid:6109  ppid:6108   flags:0x0000000d
[  571.404946][   T29] Call trace:
[  571.405777][   T29]  __switch_to+0x314/0x560
[  571.407015][   T29]  __schedule+0x1364/0x23b4
[  571.408198][   T29]  schedule+0xc4/0x170
[  571.409287][   T29]  schedule_timeout+0xb8/0x348
[  571.410587][   T29]  do_wait_for_common+0x30c/0x468
[  571.411947][   T29]  wait_for_completion+0x48/0x60
[  571.413225][   T29]  __flush_workqueue+0x580/0x11c4
[  571.414546][   T29]  nbd_ioctl+0x8cc/0xc38
[  571.415625][   T29]  blkdev_ioctl+0x3e4/0xae4
[  571.416865][   T29]  __arm64_sys_ioctl+0x14c/0x1c8
[  571.418138][   T29]  invoke_syscall+0x98/0x2b8
[  571.419312][   T29]  el0_svc_common+0x130/0x23c
[  571.420506][   T29]  do_el0_svc+0x48/0x58
[  571.421537][   T29]  el0_svc+0x54/0x158
[  571.422619][   T29]  el0t_64_sync_handler+0x84/0xfc
[  571.423880][   T29]  el0t_64_sync+0x190/0x194
[  571.424993][   T29] 
[  571.424993][   T29] Showing all locks held in the system:
[  571.427031][   T29] 1 lock held by khungtaskd/29:
[  571.428270][   T29]  #0: ffff80008e513840 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  571.430682][   T29] 2 locks held by kworker/u5:1/5663:
[  571.432029][   T29]  #0: ffff0000c9e19138 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_one_work+0x560/0x1204
[  571.434843][   T29]  #1: ffff80009c6e7c20 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204
[  571.437784][   T29] 1 lock held by klogd/5695:
[  571.439017][   T29]  #0: ffff0001b41add58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2d8/0x23b4
[  571.441417][   T29] 2 locks held by getty/5846:
[  571.442596][   T29]  #0: ffff0000d72420a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c
[  571.445093][   T29]  #1: ffff800094c002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214
[  571.447811][   T29] 
[  571.448437][   T29] =============================================
[  571.448437][   T29] 
[  571.450592][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  571.452322][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0
[  571.454681][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  571.457237][   T29] Call trace:
[  571.458094][   T29]  dump_backtrace+0x1b8/0x1e4
[  571.459337][   T29]  show_stack+0x2c/0x44
[  571.460443][   T29]  dump_stack_lvl+0xd0/0x124
[  571.461646][   T29]  dump_stack+0x1c/0x28
[  571.462722][   T29]  panic+0x2d0/0x7bc
[  571.463762][   T29]  hung_task_panic+0x0/0x2c
[  571.464995][   T29]  kthread+0x288/0x310
[  571.466076][   T29]  ret_from_fork+0x10/0x20
[  571.467250][   T29] SMP: stopping secondary CPUs
[  571.468526][   T29] Kernel Offset: disabled
[  571.469668][   T29] CPU features: 0x0,00000020,70020046,21017203
[  571.471277][   T29] Memory Limit: none
[  571.788649][   T29] Rebooting in 86400 seconds..