last executing test programs: 11.523139ms ago: executing program 2 (id=3): inotify_rm_watch(0xffffffffffffffff, 0x0) 5.230169ms ago: executing program 3 (id=4): syz_open_dev$MSR(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$MSR(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$MSR(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$MSR(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$MSR(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$MSR(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$MSR(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$MSR(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$MSR(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$MSR(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$MSR(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$MSR(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$MSR(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$MSR(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$MSR(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$MSR(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$MSR(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$MSR(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$MSR(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$MSR(&(0x7f0000000500), 0x4, 0x800) 688.72µs ago: executing program 0 (id=1): rt_sigreturn() 0s ago: executing program 4 (id=5): socket$xdp(0x2c, 0x3, 0x0) 0s ago: executing program 3 (id=6): io_destroy(0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.235' (ED25519) to the list of known hosts. syzkaller login: [ 31.582288][ T4033] cgroup: Unknown subsys name 'net' [ 31.843120][ T4033] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.119638][ T4033] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 32.879012][ T4052] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 32.880157][ T4052] Modules linked in: [ 32.880763][ T4052] CPU: 1 PID: 4052 Comm: syz.3.6 Not tainted 5.15.189-syzkaller #0 [ 32.882025][ T4052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 32.883624][ T4052] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 32.884967][ T4052] pc : lookup_ioctx+0x108/0x7d0 [ 32.885716][ T4052] lr : lookup_ioctx+0xe4/0x7d0 [ 32.886546][ T4052] sp : ffff80001f477c40 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 32.887206][ T4052] x29: ffff80001f477c40 x28: ffff0000dc46d1c0 x27: 0000000000000000 [ 32.888343][ T4052] x26: 1fffe0001b88da38 x25: 1ffff00003e8efd6 x24: ffff0000c122b980 [ 32.889607][ T4052] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 32.890928][ T4052] x20: ffff0000dc46d1c0 x19: 0000000000000000 x18: 0000000000000000 [ 32.892206][ T4052] x17: 0000000000000000 x16: ffff800008a19714 x15: 0000000000000000 [ 32.893471][ T4052] x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100 [ 32.894707][ T4052] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 32.896078][ T4052] x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000 [ 32.897484][ T4052] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 32.898933][ T4052] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 32.900308][ T4052] Call trace: [ 32.900886][ T4052] lookup_ioctx+0x108/0x7d0 [ 32.901642][ T4052] __arm64_sys_io_destroy+0x90/0x1b8 [ 32.902514][ T4052] invoke_syscall+0x98/0x2b8 [ 32.903310][ T4052] el0_svc_common+0x138/0x258 [ 32.904108][ T4052] do_el0_svc+0x58/0x14c [ 32.904842][ T4052] el0_svc+0x78/0x1e0 [ 32.905525][ T4052] el0t_64_sync_handler+0xcc/0xe4 [ 32.906368][ T4052] el0t_64_sync+0x1a0/0x1a4 [ 32.907175][ T4052] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 32.908327][ T4052] ---[ end trace d9b9e25b693131a9 ]--- [ 33.078190][ T4052] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 33.079226][ T4052] SMP: stopping secondary CPUs [ 33.079930][ T4052] Kernel Offset: disabled [ 33.080602][ T4052] CPU features: 0x8,000003c1,7d33ffd9 [ 33.081447][ T4052] Memory Limit: none [ 33.246538][ T4052] Rebooting in 86400 seconds..