last executing test programs:

43.081876ms ago: executing program 1 (id=2):
mkdirat(0xffffffffffffffff, &(0x7f0000000000), 0x0)

33.909207ms ago: executing program 1 (id=6):
membarrier(0x0, 0x0)

18.312698ms ago: executing program 2 (id=3):
chroot(&(0x7f0000000000))

0s ago: executing program 0 (id=1):
fstat(0xffffffffffffffff, &(0x7f0000000000))

0s ago: executing program 4 (id=10):
io_cancel(0x0, &(0x7f0000000000), &(0x7f0000000000))

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.1.112' (ED25519) to the list of known hosts.
[   32.613939][ T4033] cgroup: Unknown subsys name 'net'
[   32.834553][ T4033] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   33.122128][ T4033] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   33.825154][ T4057] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   33.826415][ T4057] Modules linked in:
[   33.827024][ T4057] CPU: 0 PID: 4057 Comm: syz.4.10 Not tainted 5.15.189-syzkaller #0
[   33.828271][ T4057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[   33.829781][ T4057] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   33.831012][ T4057] pc : lookup_ioctx+0x108/0x7d0
[   33.831752][ T4057] lr : lookup_ioctx+0xe4/0x7d0
[   33.832498][ T4057] sp : ffff80001f137cf0
[   33.833110][ T4057] x29: ffff80001f137cf0 x28: ffff0000de54b680 x27: 0000000000000000
[   33.834338][ T4057] x26: 1fffe0001bca96d0 x25: 0000000000400040 x24: ffff0000de5285c0
[   33.835597][ T4057] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   33.836788][ T4057] x20: ffff0000de54b680 x19: 0000000000000000 x18: 0000000000000000
[   33.838163][ T4057] x17: 0000000000000000 x16: ffff800008a19714 x15: 0000000000000000
[   33.839572][ T4057] x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100
[   33.840992][ T4057] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   33.842407][ T4057] x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
[   33.843779][ T4057] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   33.845155][ T4057] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   33.846470][ T4057] Call trace:
[   33.847024][ T4057]  lookup_ioctx+0x108/0x7d0
[   33.847784][ T4057]  __arm64_sys_io_cancel+0x160/0x338
[   33.848603][ T4057]  invoke_syscall+0x98/0x2b8
[   33.849318][ T4057]  el0_svc_common+0x138/0x258
[   33.850013][ T4057]  do_el0_svc+0x58/0x14c
[   33.850641][ T4057]  el0_svc+0x78/0x1e0
[   33.851237][ T4057]  el0t_64_sync_handler+0xcc/0xe4
[   33.852062][ T4057]  el0t_64_sync+0x1a0/0x1a4
[   33.852774][ T4057] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   33.853843][ T4057] ---[ end trace e02c11ac813c6001 ]---
[   34.041837][ T4057] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   34.042880][ T4057] SMP: stopping secondary CPUs
[   35.117117][ T4057] SMP: failed to stop secondary CPUs 0-1
[   35.117914][ T4057] Kernel Offset: disabled
[   35.118645][ T4057] CPU features: 0x8,000003c1,7d33ffd9
[   35.119484][ T4057] Memory Limit: none
[   35.291084][ T4057] Rebooting in 86400 seconds..