last executing test programs:

12.246949ms ago: executing program 2 (id=3):
preadv2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0)

6.18285ms ago: executing program 2 (id=6):
syz_open_dev$hidraw(&(0x7f0000000040), 0x0, 0x0)
syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x1)
syz_open_dev$hidraw(&(0x7f00000000c0), 0x0, 0x2)
syz_open_dev$hidraw(&(0x7f0000000100), 0x0, 0x800)
syz_open_dev$hidraw(&(0x7f0000000140), 0x1, 0x0)
syz_open_dev$hidraw(&(0x7f0000000180), 0x1, 0x1)
syz_open_dev$hidraw(&(0x7f00000001c0), 0x1, 0x2)
syz_open_dev$hidraw(&(0x7f0000000200), 0x1, 0x800)
syz_open_dev$hidraw(&(0x7f0000000240), 0x2, 0x0)
syz_open_dev$hidraw(&(0x7f0000000280), 0x2, 0x1)
syz_open_dev$hidraw(&(0x7f00000002c0), 0x2, 0x2)
syz_open_dev$hidraw(&(0x7f0000000300), 0x2, 0x800)
syz_open_dev$hidraw(&(0x7f0000000340), 0x3, 0x0)
syz_open_dev$hidraw(&(0x7f0000000380), 0x3, 0x1)
syz_open_dev$hidraw(&(0x7f00000003c0), 0x3, 0x2)
syz_open_dev$hidraw(&(0x7f0000000400), 0x3, 0x800)
syz_open_dev$hidraw(&(0x7f0000000440), 0x4, 0x0)
syz_open_dev$hidraw(&(0x7f0000000480), 0x4, 0x1)
syz_open_dev$hidraw(&(0x7f00000004c0), 0x4, 0x2)
syz_open_dev$hidraw(&(0x7f0000000500), 0x4, 0x800)

0s ago: executing program 2 (id=7):
syslog(0x0, 0x0, 0x0)

0s ago: executing program 2 (id=11):
io_submit(0x0, 0x0, &(0x7f0000000000))

kernel console output (not intermixed with test programs):

[   10.927186][ T3715] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: [   10.959656][  T148] gvnic 0000:00:00.0 enp0s0: Device link is up.
OK
[   10.966101][  T148] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.210' (ED25519) to the list of known hosts.
syzkaller login: [   31.732480][ T4033] cgroup: Unknown subsys name 'net'
[   31.953544][ T4033] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   32.215493][ T4033] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   32.887871][ T4054] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   32.889229][ T4054] Modules linked in:
[   32.889867][ T4054] CPU: 1 PID: 4054 Comm: syz.2.11 Not tainted 5.15.189-syzkaller #0
[   32.891201][ T4054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[   32.892874][ T4054] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   32.894190][ T4054] pc : lookup_ioctx+0x108/0x7d0
[   32.894998][ T4054] lr : lookup_ioctx+0xe4/0x7d0
[   32.895765][ T4054] sp : ffff80001f0f7c20
[   32.896383][ T4054] x29: ffff80001f0f7c20 x28: ffff0000d8251b40 x27: 0000000020000000
[   32.897606][ T4054] x26: 1fffe0001b04a368 x25: 1ffff00003e1efd6 x24: ffff0000c1f59140
[   32.898891][ T4054] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   32.900184][ T4054] x20: ffff0000d8251b40 x19: 0000000000000000 x18: 0000000000000000
[   32.901493][ T4054] x17: 0000000000000000 x16: ffff800008a19714 x15: 0000000000000000
[   32.902858][ T4054] x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100
[   32.904198][ T4054] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   32.905497][ T4054] x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
[   32.906852][ T4054] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   32.908257][ T4054] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   32.909618][ T4054] Call trace:
[   32.910105][ T4054]  lookup_ioctx+0x108/0x7d0
[   32.910753][ T4054]  __arm64_sys_io_submit+0x110/0x40c
[   32.911541][ T4054]  invoke_syscall+0x98/0x2b8
[   32.912254][ T4054]  el0_svc_common+0x138/0x258
[   32.913031][ T4054]  do_el0_svc+0x58/0x14c
[   32.913741][ T4054]  el0_svc+0x78/0x1e0
[   32.914403][ T4054]  el0t_64_sync_handler+0xcc/0xe4
[   32.915158][ T4054]  el0t_64_sync+0x1a0/0x1a4
[   32.915943][ T4054] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   32.917020][ T4054] ---[ end trace a43ba14807b85bf0 ]---
[   33.101513][ T4054] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   33.102519][ T4054] SMP: stopping secondary CPUs
[   34.179644][ T4054] SMP: failed to stop secondary CPUs 0-1
[   34.180414][ T4054] Kernel Offset: disabled
[   34.181111][ T4054] CPU features: 0x8,000003c1,7d33ffd9
[   34.182016][ T4054] Memory Limit: none
[   34.363258][ T4054] Rebooting in 86400 seconds..