last executing test programs:

29.566498ms ago: executing program 1 (id=2):
syz_open_dev$sndctrl(&(0x7f0000000040), 0x0, 0x0)
syz_open_dev$sndctrl(&(0x7f0000000080), 0x0, 0x1)
syz_open_dev$sndctrl(&(0x7f00000000c0), 0x0, 0x2)
syz_open_dev$sndctrl(&(0x7f0000000100), 0x0, 0x800)
syz_open_dev$sndctrl(&(0x7f0000000140), 0x1, 0x0)
syz_open_dev$sndctrl(&(0x7f0000000180), 0x1, 0x1)
syz_open_dev$sndctrl(&(0x7f00000001c0), 0x1, 0x2)
syz_open_dev$sndctrl(&(0x7f0000000200), 0x1, 0x800)
syz_open_dev$sndctrl(&(0x7f0000000240), 0x2, 0x0)
syz_open_dev$sndctrl(&(0x7f0000000280), 0x2, 0x1)
syz_open_dev$sndctrl(&(0x7f00000002c0), 0x2, 0x2)
syz_open_dev$sndctrl(&(0x7f0000000300), 0x2, 0x800)
syz_open_dev$sndctrl(&(0x7f0000000340), 0x3, 0x0)
syz_open_dev$sndctrl(&(0x7f0000000380), 0x3, 0x1)
syz_open_dev$sndctrl(&(0x7f00000003c0), 0x3, 0x2)
syz_open_dev$sndctrl(&(0x7f0000000400), 0x3, 0x800)
syz_open_dev$sndctrl(&(0x7f0000000440), 0x4, 0x0)
syz_open_dev$sndctrl(&(0x7f0000000480), 0x4, 0x1)
syz_open_dev$sndctrl(&(0x7f00000004c0), 0x4, 0x2)
syz_open_dev$sndctrl(&(0x7f0000000500), 0x4, 0x800)

4.802319ms ago: executing program 0 (id=1):
syz_init_net_socket$netrom(0x6, 0x5, 0x0)

0s ago: executing program 4 (id=5):
recvmmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0)

0s ago: executing program 1 (id=10):
io_getevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts.
[   31.779406][ T4033] cgroup: Unknown subsys name 'net'
[   32.030642][ T4033] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   32.322927][ T4033] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   33.486887][ T4054] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   33.488116][ T4054] Modules linked in:
[   33.488689][ T4054] CPU: 0 PID: 4054 Comm: syz.1.10 Not tainted 5.15.189-syzkaller #0
[   33.489913][ T4054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
[   33.491439][ T4054] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   33.492617][ T4054] pc : lookup_ioctx+0x108/0x7d0
[   33.493374][ T4054] lr : lookup_ioctx+0xe4/0x7d0
[   33.494117][ T4054] sp : ffff80001f617b20
[   33.494758][ T4054] x29: ffff80001f617b20 x28: ffff0000d2a73680 x27: dfff800000000000
[   33.496194][ T4054] x26: ffff80001f617b80 x25: ffff700003ec2f70 x24: ffff0000d2dd8b80
[   33.497508][ T4054] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   33.498903][ T4054] x20: ffff0000d2a73680 x19: 0000000000000000 x18: 0000000000000000
[   33.500270][ T4054] x17: 0000000000000000 x16: ffff800008a19714 x15: 0000000000000000
[   33.501638][ T4054] x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100
[   33.503065][ T4054] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   33.504411][ T4054] x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
[   33.505761][ T4054] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   33.506964][ T4054] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   33.508212][ T4054] Call trace:
[   33.508681][ T4054]  lookup_ioctx+0x108/0x7d0
[   33.509406][ T4054]  do_io_getevents+0x120/0x394
[   33.510191][ T4054]  __arm64_sys_io_getevents+0x160/0x23c
[   33.511074][ T4054]  invoke_syscall+0x98/0x2b8
[   33.511885][ T4054]  el0_svc_common+0x138/0x258
[   33.512699][ T4054]  do_el0_svc+0x58/0x14c
[   33.513419][ T4054]  el0_svc+0x78/0x1e0
[   33.514054][ T4054]  el0t_64_sync_handler+0xcc/0xe4
[   33.514864][ T4054]  el0t_64_sync+0x1a0/0x1a4
[   33.515604][ T4054] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   33.516698][ T4054] ---[ end trace 468c8bf0ea5b2420 ]---
[   33.684710][ T4054] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   33.685755][ T4054] SMP: stopping secondary CPUs
[   33.686535][ T4054] Kernel Offset: disabled
[   33.687250][ T4054] CPU features: 0x8,000003c1,7d33ffd9
[   33.688109][ T4054] Memory Limit: none
[   33.838868][ T4054] Rebooting in 86400 seconds..