last executing test programs:

73.422899ms ago: executing program 2 (id=3):
syz_init_net_socket$x25(0x9, 0x5, 0x0)

50.65723ms ago: executing program 3 (id=4):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/cmdline', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/cmdline', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/cmdline', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/cmdline', 0x800, 0x0)

25.76635ms ago: executing program 0 (id=1):
ioctl(0xffffffffffffffff, 0x0, &(0x7f0000000000))

1.95378ms ago: executing program 3 (id=6):
socket$isdn(0x22, 0x3, 0x0)

1.83598ms ago: executing program 4 (id=5):
setsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000), 0x0)

1.77791ms ago: executing program 1 (id=2):
sendmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0)

1.63549ms ago: executing program 2 (id=7):
memfd_create(&(0x7f0000000000), 0x0)

1.55626ms ago: executing program 1 (id=8):
write(0xffffffffffffffff, &(0x7f0000000000), 0x0)

1.42977ms ago: executing program 2 (id=9):
socket$inet6_sctp(0xa, 0x1, 0x84)

1.178311ms ago: executing program 0 (id=10):
getsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000), &(0x7f0000000000))

1.0719ms ago: executing program 1 (id=11):
keyctl$KEYCTL_CAPABILITIES(0x1f, &(0x7f0000000000), 0x0)

964.04µs ago: executing program 1 (id=12):
bind(0xffffffffffffffff, &(0x7f0000000000), 0x0)

0s ago: executing program 2 (id=13):
bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x0)

0s ago: executing program 2 (id=19):
io_destroy(0x0)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.0.205' (ED25519) to the list of known hosts.
[   27.900780][ T4031] cgroup: Unknown subsys name 'net'
[   28.165088][ T4031] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   28.437252][ T4031] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   29.171083][ T4065] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   29.172382][ T4065] Modules linked in:
[   29.173006][ T4065] CPU: 0 PID: 4065 Comm: syz.2.19 Not tainted syzkaller #0
[   29.174244][ T4065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[   29.175861][ T4065] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   29.177145][ T4065] pc : lookup_ioctx+0x108/0x7d0
[   29.177972][ T4065] lr : lookup_ioctx+0xe4/0x7d0
[   29.178768][ T4065] sp : ffff80001f5f7c40
[   29.179441][ T4065] x29: ffff80001f5f7c40 x28: ffff0000c7889b40 x27: 0000000000000000
[   29.180574][ T4065] x26: 1fffe00018f11368 x25: 1ffff00003ebefd6 x24: ffff0000c13ab3c0
[   29.181782][ T4065] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   29.183145][ T4065] x20: ffff0000c7889b40 x19: 0000000000000000 x18: 0000000000000000
[   29.184373][ T4065] x17: 0000000000000000 x16: ffff800008a1a0d8 x15: 0000000000000000
[   29.185600][ T4065] x14: 0000000000000000 x13: 1ffff0000283006b x12: 0000000000ff0100
[   29.186934][ T4065] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   29.188263][ T4065] x8 : 0000000000000000 x7 : ffff800008751314 x6 : 0000000000000000
[   29.189547][ T4065] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   29.190856][ T4065] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   29.192118][ T4065] Call trace:
[   29.192641][ T4065]  lookup_ioctx+0x108/0x7d0
[   29.193348][ T4065]  __arm64_sys_io_destroy+0x90/0x1b8
[   29.194151][ T4065]  invoke_syscall+0x98/0x2b8
[   29.194894][ T4065]  el0_svc_common+0x138/0x258
[   29.195669][ T4065]  do_el0_svc+0x58/0x14c
[   29.196354][ T4065]  el0_svc+0x78/0x1e0
[   29.197015][ T4065]  el0t_64_sync_handler+0xcc/0xe4
[   29.197805][ T4065]  el0t_64_sync+0x1a0/0x1a4
[   29.198567][ T4065] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   29.199668][ T4065] ---[ end trace 3151130c873290d1 ]---
[   29.375324][ T4065] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   29.376468][ T4065] SMP: stopping secondary CPUs
[   29.377258][ T4065] Kernel Offset: disabled
[   29.377957][ T4065] CPU features: 0x8,000003c1,7d33ffd9
[   29.378836][ T4065] Memory Limit: none
[   29.554910][ T4065] Rebooting in 86400 seconds..