last executing test programs: 66.996133ms ago: executing program 3 (id=13): io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x0) 66.950743ms ago: executing program 1 (id=2): ioctl(0xffffffffffffffff, 0x0, &(0x7f0000000000)) 66.592613ms ago: executing program 1 (id=14): bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x0) 66.444243ms ago: executing program 3 (id=15): getrandom(&(0x7f0000000000), 0x0, 0x0) 64.129144ms ago: executing program 2 (id=3): sendmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0) 57.985444ms ago: executing program 4 (id=5): pipe2(&(0x7f0000000000), 0x0) 23.891807ms ago: executing program 1 (id=16): sendmmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 23.603407ms ago: executing program 3 (id=17): setsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000), 0x0) 23.509708ms ago: executing program 0 (id=1): sched_setscheduler(0x0, 0x0, &(0x7f0000000000)) 23.226367ms ago: executing program 1 (id=18): recvmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0) 23.037468ms ago: executing program 2 (id=19): keyctl$KEYCTL_CAPABILITIES(0x1f, &(0x7f0000000000), 0x0) 22.605588ms ago: executing program 3 (id=20): getsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000), &(0x7f0000000000)) 22.368728ms ago: executing program 4 (id=21): socket$vsock_stream(0x28, 0x1, 0x0) 22.054588ms ago: executing program 0 (id=22): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats', 0x0, 0x0) 21.693778ms ago: executing program 2 (id=23): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/bluetooth/6lowpan_enable', 0x2, 0x0) 1.64262ms ago: executing program 1 (id=24): exit_group(0x0) 1.01974ms ago: executing program 3 (id=25): pkey_mprotect(0x0, 0x0, 0x0, 0xffffffffffffffff) 807.27µs ago: executing program 4 (id=26): getrlimit(0x0, &(0x7f0000000000)) 603.16µs ago: executing program 1 (id=27): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/ipv6host', 0x2, 0x0) 552.68µs ago: executing program 0 (id=28): accept4(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x0) 396.35µs ago: executing program 2 (id=29): 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) 213.54µs ago: executing program 3 (id=30): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/target_ids', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/target_ids', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/target_ids', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/target_ids', 0x800, 0x0) 0s ago: executing program 4 (id=31): io_cancel(0x0, &(0x7f0000000000), &(0x7f0000000000)) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.174' (ED25519) to the list of known hosts. syzkaller login: [ 27.236607][ T4034] cgroup: Unknown subsys name 'net' [ 27.481894][ T4034] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 27.758868][ T4034] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 28.540966][ T4078] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 28.542155][ T4078] Modules linked in: [ 28.542737][ T4078] CPU: 1 PID: 4078 Comm: syz.4.31 Not tainted syzkaller #0 [ 28.543803][ T4078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 28.545203][ T4078] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 28.546363][ T4078] pc : lookup_ioctx+0x108/0x7d0 [ 28.547142][ T4078] lr : lookup_ioctx+0xe4/0x7d0 [ 28.547825][ T4078] sp : ffff80001f4e7cf0 [ 28.548396][ T4078] x29: ffff80001f4e7cf0 x28: ffff0000c89f3680 x27: 0000000000000000 [ 28.549449][ T4078] x26: 1fffe0001913e6d0 x25: 0000000000400040 x24: ffff0000c2b76d40 [ 28.550631][ T4078] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 28.551822][ T4078] x20: ffff0000c89f3680 x19: 0000000000000000 x18: 0000000000000000 [ 28.553059][ T4078] x17: 0000000000000000 x16: ffff800008a19ecc x15: 0000000000000000 [ 28.554221][ T4078] x14: 0000000000000000 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 28.555415][ T4078] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 28.556571][ T4078] x8 : 0000000000000000 x7 : ffff800008751020 x6 : 0000000000000000 [ 28.557780][ T4078] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 28.558993][ T4078] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 28.560092][ T4078] Call trace: [ 28.560569][ T4078] lookup_ioctx+0x108/0x7d0 [ 28.561169][ T4078] __arm64_sys_io_cancel+0x160/0x338 [ 28.562053][ T4078] invoke_syscall+0x98/0x2b8 [ 28.562829][ T4078] el0_svc_common+0x138/0x258 [ 28.563607][ T4078] do_el0_svc+0x58/0x14c [ 28.564270][ T4078] el0_svc+0x78/0x1e0 [ 28.564883][ T4078] el0t_64_sync_handler+0xcc/0xe4 [ 28.565673][ T4078] el0t_64_sync+0x1a0/0x1a4 [ 28.566358][ T4078] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 28.567395][ T4078] ---[ end trace e772e537d05c4476 ]--- [ 28.742109][ T4078] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 28.743085][ T4078] SMP: stopping secondary CPUs [ 28.743804][ T4078] Kernel Offset: disabled [ 28.744420][ T4078] CPU features: 0x8,000003c1,7d33ffd9 [ 28.745248][ T4078] Memory Limit: none [ 28.914016][ T4078] Rebooting in 86400 seconds..