last executing test programs:

465.665883ms ago: executing program 2 (id=120):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/change-rule', 0x2, 0x0)

464.433844ms ago: executing program 2 (id=125):
msgctl$IPC_INFO(0x0, 0x3, &(0x7f0000000000))

436.461155ms ago: executing program 2 (id=133):
execve(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000))

403.329867ms ago: executing program 2 (id=139):
fgetxattr(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), 0x0)

375.869589ms ago: executing program 2 (id=144):
socket$inet6_tcp(0xa, 0x1, 0x0)

375.397709ms ago: executing program 2 (id=148):
msgrcv(0x0, &(0x7f0000000000), 0x0, 0x0, 0x0)

148.824812ms ago: executing program 0 (id=202):
copy_file_range(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0)

118.099003ms ago: executing program 0 (id=205):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/devices/platform/vhci_hcd.0/attach', 0x1, 0x0)

117.548463ms ago: executing program 4 (id=208):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/mls', 0x0, 0x0)

117.321753ms ago: executing program 0 (id=210):
madvise(0x0, 0x0, 0x0)

117.196783ms ago: executing program 3 (id=211):
mremap(0x0, 0x0, 0x0, 0x0, 0x0)

116.903394ms ago: executing program 4 (id=212):
fchmodat(0xffffffffffffffff, &(0x7f0000000000), 0x0)

91.914865ms ago: executing program 0 (id=213):
chdir(&(0x7f0000000000))

91.608645ms ago: executing program 3 (id=214):
syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000080), 0x0, 0x1)
syz_open_dev$sndmidi(&(0x7f00000000c0), 0x0, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000100), 0x0, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000140), 0xa, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000180), 0xa, 0x1)
syz_open_dev$sndmidi(&(0x7f00000001c0), 0xa, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000200), 0xa, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000240), 0x14, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000280), 0x14, 0x1)
syz_open_dev$sndmidi(&(0x7f00000002c0), 0x14, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000300), 0x14, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000340), 0x1e, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000380), 0x1e, 0x1)
syz_open_dev$sndmidi(&(0x7f00000003c0), 0x1e, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000400), 0x1e, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000440), 0x28, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000480), 0x28, 0x1)
syz_open_dev$sndmidi(&(0x7f00000004c0), 0x28, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000500), 0x28, 0x800)

91.506005ms ago: executing program 4 (id=215):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/hwrng', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hwrng', 0x800, 0x0)

91.323705ms ago: executing program 0 (id=216):
syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1)
syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x2)
syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x800)

91.252425ms ago: executing program 4 (id=217):
socket$key(0xf, 0x3, 0x2)

90.955235ms ago: executing program 3 (id=219):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/unconfined', 0x2, 0x0)

35.754938ms ago: executing program 0 (id=220):
sync()

35.060728ms ago: executing program 3 (id=222):
socket$can_bcm(0x1d, 0x2, 0x2)

34.739069ms ago: executing program 1 (id=224):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey', 0x800, 0x0)

34.651109ms ago: executing program 1 (id=225):
getrusage(0x0, &(0x7f0000000000))

1.03757ms ago: executing program 1 (id=226):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/attr/exec', 0x2, 0x0)

841.27µs ago: executing program 3 (id=227):
socket$rxrpc(0x21, 0x2, 0x0)

737.5µs ago: executing program 4 (id=228):
socket$netlink(0x10, 0x3, 0x0)

580.77µs ago: executing program 1 (id=229):
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)

516.81µs ago: executing program 1 (id=230):
writev(0xffffffffffffffff, &(0x7f0000000000), 0x0)

427.55µs ago: executing program 4 (id=231):
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ashmem', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ashmem', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ashmem', 0x800, 0x0)

152.95µs ago: executing program 3 (id=232):
getrlimit(0x0, &(0x7f0000000000))

0s ago: executing program 1 (id=233):
fadvise64(0xffffffffffffffff, 0x0, 0x0, 0x0)

0s ago: executing program 0 (id=238):
io_cancel(0x0, &(0x7f0000000000), &(0x7f0000000000))

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.1.225' (ED25519) to the list of known hosts.
syzkaller login: [   27.150289][ T4032] cgroup: Unknown subsys name 'net'
[   27.407438][ T4032] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   27.701154][ T4032] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k SSFS
[   29.403201][ T4288] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   29.404441][ T4288] Modules linked in:
[   29.404990][ T4288] CPU: 1 PID: 4288 Comm: syz.0.238 Not tainted syzkaller #0
[   29.406021][ T4288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
[   29.407469][ T4288] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   29.408577][ T4288] pc : lookup_ioctx+0x108/0x7c8
[   29.409274][ T4288] lr : lookup_ioctx+0xe4/0x7c8
[   29.409920][ T4288] sp : ffff80001fbd7cf0
[   29.410484][ T4288] x29: ffff80001fbd7cf0 x28: ffff0000d858b680 x27: 0000000000000000
[   29.411647][ T4288] x26: 1fffe0001b0b16d0 x25: 0000000000400040 x24: ffff0000d6220b80
[   29.412913][ T4288] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000
[   29.414024][ T4288] x20: ffff0000d858b680 x19: 0000000000000000 x18: 0000000000000000
[   29.415229][ T4288] x17: 0000000000000000 x16: ffff800008a220d8 x15: 0000000000000000
[   29.416381][ T4288] x14: 0000000000000003 x13: 1ffff0000285202b x12: 0000000000ff0100
[   29.417616][ T4288] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
[   29.418834][ T4288] x8 : 0000000000000000 x7 : ffff800008758124 x6 : 0000000000000000
[   29.419985][ T4288] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   29.421218][ T4288] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   29.422397][ T4288] Call trace:
[   29.422907][ T4288]  lookup_ioctx+0x108/0x7c8
[   29.423586][ T4288]  __arm64_sys_io_cancel+0x160/0x338
[   29.424381][ T4288]  invoke_syscall+0x98/0x2b0
[   29.425006][ T4288]  el0_svc_common+0x138/0x258
[   29.425679][ T4288]  do_el0_svc+0x58/0x13c
[   29.426244][ T4288]  el0_svc+0x78/0x1d0
[   29.426812][ T4288]  el0t_64_sync_handler+0xcc/0xe4
[   29.427538][ T4288]  el0t_64_sync+0x1a0/0x1a4
[   29.428207][ T4288] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) 
[   29.429185][ T4288] ---[ end trace 6b463d1e8ded2760 ]---
[   29.605378][ T4288] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   29.606385][ T4288] SMP: stopping secondary CPUs
[   29.607080][ T4288] Kernel Offset: disabled
[   29.607700][ T4288] CPU features: 0x8,000003c1,7d33ffd9
[   29.608460][ T4288] Memory Limit: none
[   29.788025][ T4288] Rebooting in 86400 seconds..