last executing test programs:

54.135718ms ago: executing program 1 (id=11):
acct(0x0)

54.100488ms ago: executing program 2 (id=3):
write(0xffffffffffffffff, &(0x7f0000000000), 0x0)

54.029898ms ago: executing program 1 (id=12):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vim2m', 0x2, 0x0)

53.874478ms ago: executing program 2 (id=13):
syz_init_net_socket$nl_rdma(0x10, 0x3, 0x14)

53.755348ms ago: executing program 1 (id=14):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2', 0x800, 0x0)

53.345378ms ago: executing program 2 (id=15):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/btrfs-control', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/btrfs-control', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/btrfs-control', 0x800, 0x0)

50.483578ms ago: executing program 3 (id=4):
sendmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0)

46.736508ms ago: executing program 4 (id=5):
setsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000), 0x0)

663.33µs ago: executing program 2 (id=16):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/raw-gadget', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/raw-gadget', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/raw-gadget', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/raw-gadget', 0x800, 0x0)

538.101µs ago: executing program 1 (id=17):
bind(0xffffffffffffffff, &(0x7f0000000000), 0x0)

433.381µs ago: executing program 3 (id=18):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsa', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsa', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcsa', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcsa', 0x800, 0x0)

295.751µs ago: executing program 1 (id=19):
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)

240.7µs ago: executing program 2 (id=20):
sendmmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)

210.88µs ago: executing program 0 (id=1):
ioctl(0xffffffffffffffff, 0x0, &(0x7f0000000000))

181.28µs ago: executing program 1 (id=21):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/ambient', 0x2, 0x0)

113.691µs ago: executing program 2 (id=22):
getsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000), &(0x7f0000000000))

46.831µs ago: executing program 3 (id=23):
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)

0s ago: executing program 4 (id=24):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nmem0', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nmem0', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nmem0', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/nmem0', 0x800, 0x0)

0s ago: executing program 0 (id=26):
io_cancel(0x0, &(0x7f0000000000), &(0x7f0000000000))

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.1.172' (ED25519) to the list of known hosts.
[   26.227666][ T4028] cgroup: Unknown subsys name 'net'
[   26.480563][ T4028] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   26.778152][ T4028] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   27.612271][ T4073] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   27.613441][ T4073] Modules linked in:
SYZFAIL: failed to recv rpc
[   27.614103][ T4073] CPU: 0 PID: 4073 Comm: syz.0.26 Not tainted syzkaller #0
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
[   27.615360][ T4073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
[   27.617089][ T4073] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   27.618349][ T4073] pc : lookup_ioctx+0x108/0x7c8
[   27.619130][ T4073] lr : lookup_ioctx+0xe4/0x7c8
[   27.619836][ T4073] sp : ffff80001f387cf0
[   27.620518][ T4073] x29: ffff80001f387cf0 x28: ffff0000cd9ab680 x27: 0000000000000000
[   27.621934][ T4073] x26: 1fffe00019b356d0 x25: 0000000000400040 x24: ffff0000d5936d40
[   27.623340][ T4073] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   27.624686][ T4073] x20: ffff0000cd9ab680 x19: 0000000000000000 x18: 0000000000000000
[   27.626174][ T4073] x17: 0000000000000000 x16: ffff800008a22ca0 x15: 0000000000000000
[   27.627529][ T4073] x14: 0000000000000003 x13: 1ffff0000285402b x12: 0000000000ff0100
[   27.628927][ T4073] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   27.630325][ T4073] x8 : 0000000000000000 x7 : ffff8000087585b4 x6 : 0000000000000000
[   27.631611][ T4073] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   27.632886][ T4073] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   27.634225][ T4073] Call trace:
[   27.634754][ T4073]  lookup_ioctx+0x108/0x7c8
[   27.635539][ T4073]  __arm64_sys_io_cancel+0x160/0x338
[   27.636428][ T4073]  invoke_syscall+0x98/0x2b0
[   27.637230][ T4073]  el0_svc_common+0x138/0x258
[   27.638015][ T4073]  do_el0_svc+0x58/0x13c
[   27.638773][ T4073]  el0_svc+0x78/0x1d0
[   27.639460][ T4073]  el0t_64_sync_handler+0xcc/0xe4
[   27.640372][ T4073]  el0t_64_sync+0x1a0/0x1a4
[   27.641115][ T4073] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   27.642295][ T4073] ---[ end trace e1991d33e6d8a177 ]---
[   27.844502][ T4073] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   27.845684][ T4073] SMP: stopping secondary CPUs
[   27.846484][ T4073] Kernel Offset: disabled
[   27.847184][ T4073] CPU features: 0x8,000003c1,7d33ffd9
[   27.848045][ T4073] Memory Limit: none
[   28.045309][ T4073] Rebooting in 86400 seconds..