last executing test programs: 11.363429ms ago: executing program 2 (id=3): 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) 4.57456ms ago: executing program 2 (id=6): syz_init_net_socket$llc(0x1a, 0x1, 0x0) 0s ago: executing program 2 (id=7): mlockall(0x0) 0s ago: executing program 3 (id=9): io_pgetevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.174' (ED25519) to the list of known hosts. syzkaller login: [ 34.719595][ T4036] cgroup: Unknown subsys name 'net' [ 34.966791][ T4036] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.265227][ T4036] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 36.000743][ T4060] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 36.002033][ T4060] Modules linked in: SYZFAIL: failed to recv rpc [ 36.002690][ T4060] CPU: 0 PID: 4060 Comm: syz.3.9 Not tainted 5.15.189-syzkaller #0 [ 36.003888][ T4060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 36.005455][ T4060] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 36.006777][ T4060] pc : lookup_ioctx+0x108/0x7d0 [ 36.007468][ T4060] lr : lookup_ioctx+0xe4/0x7d0 [ 36.008193][ T4060] sp : ffff80001f127ac0 [ 36.008843][ T4060] x29: ffff80001f127ac0 x28: dfff800000000000 x27: dfff800000000000 [ 36.010074][ T4060] x26: ffff80001f127b20 x25: ffff700003e24f64 x24: ffff0000c1112280 [ 36.011262][ T4060] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 36.012471][ T4060] x20: ffff0000c1ae3680 x19: 0000000000000000 x18: 0000000000000000 [ 36.013658][ T4060] x17: 0000000000000000 x16: ffff800008a19714 x15: 0000000000000000 [ 36.014853][ T4060] x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100 [ 36.016045][ T4060] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 36.017197][ T4060] x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000 [ 36.018346][ T4060] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 36.019575][ T4060] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 36.020890][ T4060] Call trace: [ 36.021409][ T4060] lookup_ioctx+0x108/0x7d0 [ 36.022077][ T4060] do_io_getevents+0x120/0x394 [ 36.022833][ T4060] __arm64_sys_io_pgetevents+0x2ec/0x4f8 [ 36.023701][ T4060] invoke_syscall+0x98/0x2b8 [ 36.024380][ T4060] el0_svc_common+0x138/0x258 [ 36.025061][ T4060] do_el0_svc+0x58/0x14c [ 36.025748][ T4060] el0_svc+0x78/0x1e0 [ 36.026379][ T4060] el0t_64_sync_handler+0xcc/0xe4 [ 36.027243][ T4060] el0t_64_sync+0x1a0/0x1a4 [ 36.027998][ T4060] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 36.029128][ T4060] ---[ end trace f501e7ac644d69d4 ]--- [ 36.245113][ T4060] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 36.246234][ T4060] SMP: stopping secondary CPUs [ 36.246896][ T4060] Kernel Offset: disabled [ 36.247519][ T4060] CPU features: 0x8,000003c1,7d33ffd9 [ 36.248353][ T4060] Memory Limit: none [ 36.435273][ T4060] Rebooting in 86400 seconds..