Warning: Permanently added '10.128.0.253' (ECDSA) to the list of known hosts.
executing program
[  502.916733][ T4431] loop0: detected capacity change from 0 to 2048
[  502.917603][ T4432] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  502.922527][ T4431] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  502.929771][ T4431] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
[  714.737156][   T27] INFO: task syz-executor236:4431 blocked for more than 143 seconds.
[  714.739400][   T27]       Not tainted 6.2.0-rc3-syzkaller-16387-g9598c377d828 #0
[  714.741354][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  714.743629][   T27] task:syz-executor236 state:D stack:0     pid:4431  ppid:4430   flags:0x00000001
[  714.746071][   T27] Call trace:
[  714.746876][   T27]  __switch_to+0x180/0x298
[  714.748303][   T27]  __schedule+0x438/0x5a0
[  714.749425][   T27]  schedule+0x64/0xa4
[  714.750439][   T27]  io_schedule+0x38/0xbc
[  714.751584][   T27]  bit_wait_io+0x18/0x60
[  714.752680][   T27]  __wait_on_bit_lock+0x6c/0x114
[  714.754018][   T27]  out_of_line_wait_on_bit_lock+0x84/0xac
[  714.755510][   T27]  __sync_dirty_buffer+0xe8/0x328
[  714.756860][   T27]  sync_dirty_buffer+0x24/0x34
[  714.758185][   T27]  __ext4_handle_dirty_metadata+0x118/0x3e8
[  714.759739][   T27]  ext4_convert_inline_data_nolock+0x3d8/0x450
[  714.761322][   T27]  ext4_convert_inline_data+0x22c/0x310
[  714.762723][   T27]  ext4_fallocate+0xa8/0xc2c
[  714.763910][   T27]  vfs_fallocate+0x328/0x38c
[  714.765036][   T27]  ioctl_preallocate+0x16c/0x1bc
[  714.766314][   T27]  do_vfs_ioctl+0x123c/0x16a4
[  714.767574][   T27]  __arm64_sys_ioctl+0x98/0x140
[  714.768859][   T27]  el0_svc_common+0x138/0x220
[  714.770054][   T27]  do_el0_svc+0x48/0x104
[  714.771164][   T27]  el0_svc+0x58/0x150
[  714.772175][   T27]  el0t_64_sync_handler+0x84/0xf0
[  714.773549][   T27]  el0t_64_sync+0x190/0x194
[  714.774660][   T27] 
[  714.774660][   T27] Showing all locks held in the system:
[  714.776551][   T27] 1 lock held by rcu_tasks_kthre/11:
[  714.777919][   T27]  #0: ffff80000d645648 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450
[  714.780673][   T27] 1 lock held by rcu_tasks_trace/12:
[  714.782084][   T27]  #0: ffff80000d645c98 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450
[  714.785049][   T27] 1 lock held by khungtaskd/27:
[  714.786288][   T27]  #0: ffff80000d645520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48
[  714.788852][   T27] 1 lock held by klogd/3915:
[  714.790039][   T27]  #0: ffff0001fefd1298 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0xa4/0x5a0
[  714.792404][   T27] 2 locks held by getty/4079:
[  714.793581][   T27]  #0: ffff0000c8741098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58
[  714.796032][   T27]  #1: ffff80000f8562f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c
[  714.798715][   T27] 3 locks held by syz-executor236/4431:
[  714.800172][   T27]  #0: ffff0000c7397460 (sb_writers#3){.+.+}-{0:0}, at: vfs_fallocate+0x2e4/0x38c
[  714.802556][   T27]  #1: ffff0000cad8ed30 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_fallocate+0xa0/0xc2c
[  714.805168][   T27]  #2: ffff0000cad8e9f8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_convert_inline_data+0x1b0/0x310
[  714.807831][   T27] 
[  714.808423][   T27] =============================================
[  714.808423][   T27] 
[  714.810523][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  714.812186][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.2.0-rc3-syzkaller-16387-g9598c377d828 #0
[  714.814572][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[  714.817040][   T27] Call trace:
[  714.817874][   T27]  dump_backtrace+0x1c4/0x1f0
[  714.819055][   T27]  show_stack+0x2c/0x3c
[  714.820176][   T27]  dump_stack_lvl+0x104/0x16c
[  714.821415][   T27]  dump_stack+0x1c/0x58
[  714.822631][   T27]  panic+0x218/0x508
[  714.823617][   T27]  hung_task_panic+0x0/0x2c
[  714.824792][   T27]  kthread+0x12c/0x158
[  714.825813][   T27]  ret_from_fork+0x10/0x20
[  714.826933][   T27] SMP: stopping secondary CPUs
[  714.828152][   T27] Kernel Offset: disabled
[  714.829269][   T27] CPU features: 0x00000,040e0108,4c017203
[  714.830706][   T27] Memory Limit: none
[  715.081366][   T27] Rebooting in 86400 seconds..