last executing test programs:

131.14163ms ago: executing program 0 (id=100):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dma_heap/system', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dma_heap/system', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dma_heap/system', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dma_heap/system', 0x800, 0x0)

111.506411ms ago: executing program 0 (id=104):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc0', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc0', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc0', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc0', 0x800, 0x0)

110.362221ms ago: executing program 0 (id=109):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/mm/ksm/run', 0x1, 0x0)

90.794753ms ago: executing program 0 (id=113):
fchmod(0xffffffffffffffff, 0x0)

90.755793ms ago: executing program 1 (id=114):
readv(0xffffffffffffffff, &(0x7f0000000000), 0x0)

69.507424ms ago: executing program 2 (id=118):
syz_open_dev$sndhw(&(0x7f0000000040), 0x0, 0x0)
syz_open_dev$sndhw(&(0x7f0000000080), 0x0, 0x1)
syz_open_dev$sndhw(&(0x7f00000000c0), 0x0, 0x2)
syz_open_dev$sndhw(&(0x7f0000000100), 0x0, 0x800)
syz_open_dev$sndhw(&(0x7f0000000140), 0xa, 0x0)
syz_open_dev$sndhw(&(0x7f0000000180), 0xa, 0x1)
syz_open_dev$sndhw(&(0x7f00000001c0), 0xa, 0x2)
syz_open_dev$sndhw(&(0x7f0000000200), 0xa, 0x800)
syz_open_dev$sndhw(&(0x7f0000000240), 0x14, 0x0)
syz_open_dev$sndhw(&(0x7f0000000280), 0x14, 0x1)
syz_open_dev$sndhw(&(0x7f00000002c0), 0x14, 0x2)
syz_open_dev$sndhw(&(0x7f0000000300), 0x14, 0x800)
syz_open_dev$sndhw(&(0x7f0000000340), 0x1e, 0x0)
syz_open_dev$sndhw(&(0x7f0000000380), 0x1e, 0x1)
syz_open_dev$sndhw(&(0x7f00000003c0), 0x1e, 0x2)
syz_open_dev$sndhw(&(0x7f0000000400), 0x1e, 0x800)
syz_open_dev$sndhw(&(0x7f0000000440), 0x28, 0x0)
syz_open_dev$sndhw(&(0x7f0000000480), 0x28, 0x1)
syz_open_dev$sndhw(&(0x7f00000004c0), 0x28, 0x2)
syz_open_dev$sndhw(&(0x7f0000000500), 0x28, 0x800)

69.316294ms ago: executing program 0 (id=120):
pkey_free(0xffffffffffffffff)

69.226404ms ago: executing program 2 (id=121):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/change-rule', 0x2, 0x0)

69.085254ms ago: executing program 1 (id=122):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/acpi_thermal_rel', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/acpi_thermal_rel', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/acpi_thermal_rel', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/acpi_thermal_rel', 0x800, 0x0)

51.749106ms ago: executing program 3 (id=124):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-control', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-control', 0x800, 0x0)

51.616676ms ago: executing program 0 (id=125):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-vsock', 0x2, 0x0)

51.570096ms ago: executing program 2 (id=126):
pkey_alloc(0x0, 0x0)

51.526766ms ago: executing program 3 (id=127):
renameat(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000))

51.459846ms ago: executing program 4 (id=128):
mlockall(0x0)

51.253896ms ago: executing program 1 (id=129):
setfsuid(0x0)

24.043308ms ago: executing program 4 (id=130):
shutdown(0xffffffffffffffff, 0x0)

23.916228ms ago: executing program 2 (id=131):
signalfd4(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)

23.830258ms ago: executing program 3 (id=132):
execve(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000))

23.707948ms ago: executing program 1 (id=133):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/schemes', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/schemes', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/schemes', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/schemes', 0x800, 0x0)

23.261238ms ago: executing program 4 (id=134):
get_robust_list(0x0, &(0x7f0000000000), &(0x7f0000000000))

23.196198ms ago: executing program 2 (id=135):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/unconfined', 0x2, 0x0)

23.111768ms ago: executing program 4 (id=136):
listxattr(&(0x7f0000000000), &(0x7f0000000000), 0x0)

23.051408ms ago: executing program 3 (id=137):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio', 0x800, 0x0)

690.44µs ago: executing program 1 (id=138):
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)

543.46µs ago: executing program 3 (id=139):
sysinfo(&(0x7f0000000000))

342.25µs ago: executing program 4 (id=140):
process_madvise(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0)

292.96µs ago: executing program 2 (id=141):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/relabel', 0x2, 0x0)

217.55µs ago: executing program 4 (id=142):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/tlk_device', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/tlk_device', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/tlk_device', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/tlk_device', 0x800, 0x0)

41.27µs ago: executing program 1 (id=143):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/reclaim', 0x1, 0x0)

0s ago: executing program 3 (id=144):
socket$nl_xfrm(0x10, 0x3, 0x6)

0s ago: executing program 2 (id=148):
io_getevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0)

kernel console output (not intermixed with test programs):

[   10.909551][ T3716] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: [   10.939209][  T136] gvnic 0000:00:00.0 enp0s0: Device link is up.
OK
[   10.946150][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.8' (ED25519) to the list of known hosts.
syzkaller login: [   31.196504][ T4034] cgroup: Unknown subsys name 'net'
[   31.435805][ T4034] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   31.683152][ T4034] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   32.838467][ T4194] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   32.839689][ T4194] Modules linked in:
[   32.840304][ T4194] CPU: 0 PID: 4194 Comm: syz.2.148 Not tainted 5.15.189-syzkaller #0
[   32.841529][ T4194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[   32.843158][ T4194] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   32.844421][ T4194] pc : lookup_ioctx+0x108/0x7d0
[   32.845205][ T4194] lr : lookup_ioctx+0xe4/0x7d0
[   32.845986][ T4194] sp : ffff80001f957b20
[   32.846647][ T4194] x29: ffff80001f957b20 x28: ffff0000c6e851c0 x27: dfff800000000000
[   32.847924][ T4194] x26: ffff80001f957b80 x25: ffff700003f2af70 x24: ffff0000d0744ac0
[   32.849261][ T4194] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   32.850569][ T4194] x20: ffff0000c6e851c0 x19: 0000000000000000 x18: 0000000000000000
[   32.851865][ T4194] x17: 0000000000000000 x16: ffff800008a19714 x15: 0000000000000000
[   32.853025][ T4194] x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100
[   32.854271][ T4194] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   32.855603][ T4194] x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
[   32.856835][ T4194] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   32.857995][ T4194] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   32.859233][ T4194] Call trace:
[   32.859744][ T4194]  lookup_ioctx+0x108/0x7d0
[   32.860477][ T4194]  do_io_getevents+0x120/0x394
[   32.861250][ T4194]  __arm64_sys_io_getevents+0x160/0x23c
[   32.862148][ T4194]  invoke_syscall+0x98/0x2b8
[   32.862868][ T4194]  el0_svc_common+0x138/0x258
[   32.863588][ T4194]  do_el0_svc+0x58/0x14c
[   32.864279][ T4194]  el0_svc+0x78/0x1e0
[   32.864923][ T4194]  el0t_64_sync_handler+0xcc/0xe4
[   32.865675][ T4194]  el0t_64_sync+0x1a0/0x1a4
[   32.866371][ T4194] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   32.867544][ T4194] ---[ end trace 1ff1437a36b3ccb3 ]---
[   33.056321][ T4194] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   33.057387][ T4194] SMP: stopping secondary CPUs
[   33.058094][ T4194] Kernel Offset: disabled
[   33.058712][ T4194] CPU features: 0x8,000003c1,7d33ffd9
[   33.059552][ T4194] Memory Limit: none
[   33.231832][ T4194] Rebooting in 86400 seconds..