last executing test programs:

77.159493ms ago: executing program 0 (id=13):
accept4(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x0)

76.728683ms ago: executing program 0 (id=14):
getsockname(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000))

75.732183ms ago: executing program 2 (id=15):
socket(0x10, 0x3, 0x10)

73.530134ms ago: executing program 3 (id=4):
mq_timedreceive(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0)

58.150255ms ago: executing program 1 (id=2):
setsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000), 0x0)

27.253138ms ago: executing program 0 (id=16):
ptrace(0x0, 0x0)

27.062267ms ago: executing program 2 (id=17):
write(0xffffffffffffffff, &(0x7f0000000000), 0x0)

26.984587ms ago: executing program 3 (id=18):
syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)

26.920758ms ago: executing program 0 (id=19):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/class/mac80211_hwsim/', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/class/mac80211_hwsim/', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/class/mac80211_hwsim/', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/class/mac80211_hwsim/', 0x800, 0x0)

26.859178ms ago: executing program 2 (id=20):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/bifrost', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/bifrost', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bifrost', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/bifrost', 0x800, 0x0)

26.724608ms ago: executing program 1 (id=21):
quotactl_fd$Q_GETFMT(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000))

26.639678ms ago: executing program 2 (id=22):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/keychord', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/keychord', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/keychord', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/keychord', 0x800, 0x0)

26.548517ms ago: executing program 3 (id=23):
fsync(0xffffffffffffffff)

467.87µs ago: executing program 0 (id=24):
mmap(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)

366.04µs ago: executing program 1 (id=25):
open(&(0x7f0000000000), 0x0, 0x0)

312.49µs ago: executing program 2 (id=26):
bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x0)

248.46µs ago: executing program 4 (id=5):
read(0xffffffffffffffff, &(0x7f0000000000), 0x0)

193.42µs ago: executing program 0 (id=27):
sched_setscheduler(0x0, 0x0, &(0x7f0000000000))

118.18µs ago: executing program 1 (id=28):
sendmmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)

32.79µs ago: executing program 2 (id=29):
io_getevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0)

0s ago: executing program 3 (id=30):
mknodat(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.1.216' (ED25519) to the list of known hosts.
[   31.088029][ T4032] cgroup: Unknown subsys name 'net'
[   31.371381][ T4032] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   31.670506][ T4032] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   32.514393][ T4077] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   32.515732][ T4077] Modules linked in:
[   32.516363][ T4077] CPU: 1 PID: 4077 Comm: syz.2.29 Not tainted syzkaller #0
[   32.517576][ T4077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
[   32.519246][ T4077] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   32.520543][ T4077] pc : lookup_ioctx+0x108/0x7c8
[   32.521308][ T4077] lr : lookup_ioctx+0xe4/0x7c8
[   32.522033][ T4077] sp : ffff80001f7e7b20
[   32.522646][ T4077] x29: ffff80001f7e7b20 x28: ffff0000de5ed1c0 x27: dfff800000000000
[   32.523853][ T4077] x26: ffff80001f7e7b80 x25: ffff700003efcf70 x24: ffff0000c6016780
[   32.525047][ T4077] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   32.526247][ T4077] x20: ffff0000de5ed1c0 x19: 0000000000000000 x18: 0000000000000000
[   32.527487][ T4077] x17: 0000000000000000 x16: ffff800008a22da8 x15: 0000000000000000
[   32.528896][ T4077] x14: 0000000000000002 x13: 1ffff0000285202b x12: 0000000000ff0100
[   32.530269][ T4077] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   32.531704][ T4077] x8 : 0000000000000000 x7 : ffff8000087586bc x6 : 0000000000000000
[   32.533055][ T4077] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   32.534428][ T4077] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   32.535776][ T4077] Call trace:
[   32.536299][ T4077]  lookup_ioctx+0x108/0x7c8
[   32.537066][ T4077]  do_io_getevents+0x12c/0x3c8
[   32.537814][ T4077]  __arm64_sys_io_getevents+0x164/0x248
[   32.538689][ T4077]  invoke_syscall+0x98/0x2b0
[   32.539506][ T4077]  el0_svc_common+0x138/0x258
[   32.540309][ T4077]  do_el0_svc+0x58/0x13c
[   32.540924][ T4077]  el0_svc+0x78/0x1d0
[   32.541609][ T4077]  el0t_64_sync_handler+0xcc/0xe4
[   32.542401][ T4077]  el0t_64_sync+0x1a0/0x1a4
[   32.543130][ T4077] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   32.544247][ T4077] ---[ end trace 33b39adebdc5584d ]---
[   32.721459][ T4077] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   32.722578][ T4077] SMP: stopping secondary CPUs
[   32.723376][ T4077] Kernel Offset: disabled
[   32.724046][ T4077] CPU features: 0x8,000003c1,7d33ffd9
[   32.724954][ T4077] Memory Limit: none
[   32.901259][ T4077] Rebooting in 86400 seconds..