last executing test programs:

20.092489ms ago: executing program 1 (id=2):
syz_open_dev$loop(&(0x7f0000000040), 0x0, 0x0)
syz_open_dev$loop(&(0x7f0000000080), 0x0, 0x1)
syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x2)
syz_open_dev$loop(&(0x7f0000000100), 0x0, 0x800)
syz_open_dev$loop(&(0x7f0000000140), 0x1, 0x0)
syz_open_dev$loop(&(0x7f0000000180), 0x1, 0x1)
syz_open_dev$loop(&(0x7f00000001c0), 0x1, 0x2)
syz_open_dev$loop(&(0x7f0000000200), 0x1, 0x800)
syz_open_dev$loop(&(0x7f0000000240), 0x2, 0x0)
syz_open_dev$loop(&(0x7f0000000280), 0x2, 0x1)
syz_open_dev$loop(&(0x7f00000002c0), 0x2, 0x2)
syz_open_dev$loop(&(0x7f0000000300), 0x2, 0x800)
syz_open_dev$loop(&(0x7f0000000340), 0x3, 0x0)
syz_open_dev$loop(&(0x7f0000000380), 0x3, 0x1)
syz_open_dev$loop(&(0x7f00000003c0), 0x3, 0x2)
syz_open_dev$loop(&(0x7f0000000400), 0x3, 0x800)
syz_open_dev$loop(&(0x7f0000000440), 0x4, 0x0)
syz_open_dev$loop(&(0x7f0000000480), 0x4, 0x1)
syz_open_dev$loop(&(0x7f00000004c0), 0x4, 0x2)
syz_open_dev$loop(&(0x7f0000000500), 0x4, 0x800)

18.626639ms ago: executing program 2 (id=3):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null', 0x800, 0x0)

5.828129ms ago: executing program 0 (id=1):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/kernel/yama/ptrace_scope', 0x2, 0x0)

0s ago: executing program 0 (id=6):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/validatetrans', 0x1, 0x0)

0s ago: executing program 0 (id=9):
io_pgetevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.0.185' (ED25519) to the list of known hosts.
syzkaller login: [   32.396012][ T4033] cgroup: Unknown subsys name 'net'
[   32.648275][ T4033] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   32.925321][ T4033] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   33.624630][ T4057] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   33.625911][ T4057] Modules linked in:
[   33.626546][ T4057] CPU: 0 PID: 4057 Comm: syz.0.9 Not tainted 5.15.189-syzkaller #0
[   33.627835][ T4057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[   33.629583][ T4057] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   33.630895][ T4057] pc : lookup_ioctx+0x108/0x7d0
[   33.631673][ T4057] lr : lookup_ioctx+0xe4/0x7d0
[   33.632425][ T4057] sp : ffff80001f6c7ac0
[   33.633045][ T4057] x29: ffff80001f6c7ac0 x28: dfff800000000000 x27: dfff800000000000
[   33.634359][ T4057] x26: ffff80001f6c7b20 x25: ffff700003ed8f64 x24: ffff0000c1764ac0
[   33.635708][ T4057] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   33.637088][ T4057] x20: ffff0000db878000 x19: 0000000000000000 x18: 0000000000000000
[   33.638315][ T4057] x17: 0000000000000000 x16: ffff800008a19714 x15: 0000000000000000
[   33.639465][ T4057] x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100
[   33.640631][ T4057] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   33.641839][ T4057] x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
[   33.643165][ T4057] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   33.644491][ T4057] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   33.645790][ T4057] Call trace:
[   33.646292][ T4057]  lookup_ioctx+0x108/0x7d0
[   33.647055][ T4057]  do_io_getevents+0x120/0x394
[   33.647830][ T4057]  __arm64_sys_io_pgetevents+0x2ec/0x4f8
[   33.648812][ T4057]  invoke_syscall+0x98/0x2b8
[   33.649553][ T4057]  el0_svc_common+0x138/0x258
[   33.650240][ T4057]  do_el0_svc+0x58/0x14c
[   33.650946][ T4057]  el0_svc+0x78/0x1e0
[   33.651574][ T4057]  el0t_64_sync_handler+0xcc/0xe4
[   33.652329][ T4057]  el0t_64_sync+0x1a0/0x1a4
[   33.652999][ T4057] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   33.654164][ T4057] ---[ end trace 602da5f3cf9856e7 ]---
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
[   33.821266][ T4057] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   33.822325][ T4057] SMP: stopping secondary CPUs
[   33.823117][ T4057] Kernel Offset: disabled
[   33.823780][ T4057] CPU features: 0x8,000003c1,7d33ffd9
[   33.824613][ T4057] Memory Limit: none
[   33.988626][ T4057] Rebooting in 86400 seconds..