last executing test programs:

166.05582ms ago: executing program 1 (id=107):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vtpmx', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vtpmx', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vtpmx', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vtpmx', 0x800, 0x0)

165.06984ms ago: executing program 1 (id=113):
shmat(0x0, 0x0, 0x0)

136.346082ms ago: executing program 1 (id=114):
syz_open_dev$dmmidi(&(0x7f0000000040), 0x0, 0x0)
syz_open_dev$dmmidi(&(0x7f0000000080), 0x0, 0x1)
syz_open_dev$dmmidi(&(0x7f00000000c0), 0x0, 0x2)
syz_open_dev$dmmidi(&(0x7f0000000100), 0x0, 0x800)
syz_open_dev$dmmidi(&(0x7f0000000140), 0x1, 0x0)
syz_open_dev$dmmidi(&(0x7f0000000180), 0x1, 0x1)
syz_open_dev$dmmidi(&(0x7f00000001c0), 0x1, 0x2)
syz_open_dev$dmmidi(&(0x7f0000000200), 0x1, 0x800)
syz_open_dev$dmmidi(&(0x7f0000000240), 0x2, 0x0)
syz_open_dev$dmmidi(&(0x7f0000000280), 0x2, 0x1)
syz_open_dev$dmmidi(&(0x7f00000002c0), 0x2, 0x2)
syz_open_dev$dmmidi(&(0x7f0000000300), 0x2, 0x800)
syz_open_dev$dmmidi(&(0x7f0000000340), 0x3, 0x0)
syz_open_dev$dmmidi(&(0x7f0000000380), 0x3, 0x1)
syz_open_dev$dmmidi(&(0x7f00000003c0), 0x3, 0x2)
syz_open_dev$dmmidi(&(0x7f0000000400), 0x3, 0x800)
syz_open_dev$dmmidi(&(0x7f0000000440), 0x4, 0x0)
syz_open_dev$dmmidi(&(0x7f0000000480), 0x4, 0x1)
syz_open_dev$dmmidi(&(0x7f00000004c0), 0x4, 0x2)
syz_open_dev$dmmidi(&(0x7f0000000500), 0x4, 0x800)

81.149105ms ago: executing program 4 (id=132):
socket$vsock_dgram(0x28, 0x2, 0x0)

80.750005ms ago: executing program 2 (id=134):
faccessat2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)

80.575385ms ago: executing program 3 (id=135):
umount2(&(0x7f0000000000), 0x0)

60.077206ms ago: executing program 4 (id=136):
clock_nanosleep(0x0, 0x0, &(0x7f0000000000), 0x0)

59.793316ms ago: executing program 0 (id=138):
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)

59.705396ms ago: executing program 2 (id=139):
epoll_pwait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000), 0x0)

59.618426ms ago: executing program 3 (id=140):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video0', 0x2, 0x0)

59.480466ms ago: executing program 1 (id=141):
add_key(&(0x7f0000000000), &(0x7f0000000000), 0x0, 0x0, 0x0)

59.376446ms ago: executing program 4 (id=142):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/md0', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/md0', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/md0', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/md0', 0x800, 0x0)

32.099558ms ago: executing program 0 (id=143):
lremovexattr(&(0x7f0000000000), &(0x7f0000000000))

31.970067ms ago: executing program 2 (id=144):
socket$qrtr(0x2a, 0x2, 0x0)

31.893587ms ago: executing program 3 (id=145):
lgetxattr(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0)

31.724997ms ago: executing program 4 (id=146):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/userfaultfd', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/userfaultfd', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/userfaultfd', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/userfaultfd', 0x800, 0x0)

31.573257ms ago: executing program 1 (id=147):
syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)

31.470717ms ago: executing program 0 (id=148):
socket$inet_icmp_raw(0x2, 0x3, 0x1)

30.999307ms ago: executing program 2 (id=149):
dup(0xffffffffffffffff)

30.886967ms ago: executing program 4 (id=150):
timerfd_gettime(0xffffffffffffffff, &(0x7f0000000000))

30.749657ms ago: executing program 3 (id=151):
exit(0x0)

1.42761ms ago: executing program 0 (id=152):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/thread-self', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/thread-self', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/thread-self', 0x800, 0x0)

1.13869ms ago: executing program 3 (id=153):
fremovexattr(0xffffffffffffffff, &(0x7f0000000000))

1.02735ms ago: executing program 0 (id=154):
openat2(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), 0x0)

888µs ago: executing program 1 (id=155):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ubi_ctrl', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ubi_ctrl', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ubi_ctrl', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ubi_ctrl', 0x800, 0x0)

769.369µs ago: executing program 4 (id=156):
syncfs(0xffffffffffffffff)

715.609µs ago: executing program 2 (id=157):
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)

600.64µs ago: executing program 2 (id=158):
socket$inet_udp(0x2, 0x2, 0x0)

507.84µs ago: executing program 3 (id=159):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/net/tun', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/net/tun', 0x800, 0x0)

0s ago: executing program 0 (id=160):
fchmodat(0xffffffffffffffff, &(0x7f0000000000), 0x0)

0s ago: executing program 4 (id=165):
io_getevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.1.86' (ED25519) to the list of known hosts.
[   26.568201][ T4031] cgroup: Unknown subsys name 'net'
[   26.816530][ T4031] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   27.094325][ T4031] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   28.411035][ T4212] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   28.412309][ T4212] Modules linked in:
[   28.412914][ T4212] CPU: 1 PID: 4212 Comm: syz.4.165 Not tainted syzkaller #0
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
[   28.414022][ T4212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
[   28.415421][ T4212] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   28.416522][ T4212] pc : lookup_ioctx+0x108/0x7c8
[   28.417246][ T4212] lr : lookup_ioctx+0xe4/0x7c8
[   28.417931][ T4212] sp : ffff80001fa87b20
[   28.418561][ T4212] x29: ffff80001fa87b20 x28: ffff0000ccdfb680 x27: dfff800000000000
[   28.419837][ T4212] x26: ffff80001fa87b80 x25: ffff700003f50f70 x24: ffff0000d31461c0
[   28.421009][ T4212] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   28.422223][ T4212] x20: ffff0000ccdfb680 x19: 0000000000000000 x18: 0000000000000000
[   28.423343][ T4212] x17: 0000000000000000 x16: ffff800008a220d8 x15: 0000000000000000
[   28.424519][ T4212] x14: 0000000000000002 x13: 1ffff0000285202b x12: 0000000000ff0100
[   28.425642][ T4212] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   28.426738][ T4212] x8 : 0000000000000000 x7 : ffff800008758124 x6 : 0000000000000000
[   28.427921][ T4212] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   28.429119][ T4212] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   28.430260][ T4212] Call trace:
[   28.430746][ T4212]  lookup_ioctx+0x108/0x7c8
[   28.431415][ T4212]  do_io_getevents+0x12c/0x3c8
[   28.432147][ T4212]  __arm64_sys_io_getevents+0x164/0x248
[   28.432958][ T4212]  invoke_syscall+0x98/0x2b0
[   28.433634][ T4212]  el0_svc_common+0x138/0x258
[   28.434294][ T4212]  do_el0_svc+0x58/0x13c
[   28.434889][ T4212]  el0_svc+0x78/0x1d0
[   28.435421][ T4212]  el0t_64_sync_handler+0xcc/0xe4
[   28.436146][ T4212]  el0t_64_sync+0x1a0/0x1a4
[   28.436850][ T4212] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   28.437784][ T4212] ---[ end trace 2a2a01885731c678 ]---
[   28.608949][ T4212] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   28.609946][ T4212] SMP: stopping secondary CPUs
[   28.610692][ T4212] Kernel Offset: disabled
[   28.611307][ T4212] CPU features: 0x8,000003c1,7d33ffd9
[   28.612055][ T4212] Memory Limit: none
[   28.779718][ T4212] Rebooting in 86400 seconds..