last executing test programs: 117.181637ms ago: executing program 4 (id=17): quotactl$Q_GETFMT(0x0, &(0x7f0000000000), 0x0, &(0x7f0000000000)) 116.892947ms ago: executing program 3 (id=19): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-net', 0x2, 0x0) 87.402508ms ago: executing program 4 (id=22): shmctl$IPC_INFO(0x0, 0x3, &(0x7f0000000000)) 86.928478ms ago: executing program 4 (id=24): execve(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) 86.607508ms ago: executing program 4 (id=27): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/xen/evtchn', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/xen/evtchn', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/xen/evtchn', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/xen/evtchn', 0x800, 0x0) 57.875439ms ago: executing program 1 (id=30): signalfd4(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 57.740139ms ago: executing program 4 (id=31): accept(0xffffffffffffffff, 0x0, &(0x7f0000000000)) 57.684109ms ago: executing program 2 (id=32): sendmmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 57.612969ms ago: executing program 1 (id=33): 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) 57.537369ms ago: executing program 4 (id=34): syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$evdev(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$evdev(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$evdev(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$evdev(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$evdev(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$evdev(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$evdev(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$evdev(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$evdev(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$evdev(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$evdev(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$evdev(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$evdev(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$evdev(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$evdev(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$evdev(&(0x7f0000000500), 0x4, 0x800) 57.387509ms ago: executing program 0 (id=35): nanosleep(&(0x7f0000000000), 0x0) 57.322509ms ago: executing program 3 (id=36): clock_nanosleep(0x0, 0x0, &(0x7f0000000000), 0x0) 57.116189ms ago: executing program 2 (id=37): socket$nl_audit(0x10, 0x3, 0x9) 32.03492ms ago: executing program 0 (id=38): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nullb0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nullb0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/nullb0', 0x800, 0x0) 31.69951ms ago: executing program 1 (id=39): socket$inet_smc(0x2b, 0x1, 0x0) 31.54912ms ago: executing program 3 (id=40): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/raw-gadget', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/raw-gadget', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/raw-gadget', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/raw-gadget', 0x800, 0x0) 31.52174ms ago: executing program 2 (id=41): read(0xffffffffffffffff, &(0x7f0000000000), 0x0) 31.18617ms ago: executing program 0 (id=42): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/infiniband/rdma_cm', 0x2, 0x0) 31.1011ms ago: executing program 3 (id=43): fchown(0xffffffffffffffff, 0x0, 0x0) 30.94664ms ago: executing program 1 (id=44): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer', 0x800, 0x0) 30.88293ms ago: executing program 3 (id=45): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/relabel-self', 0x2, 0x0) 672.51µs ago: executing program 0 (id=46): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/btrfs-control', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/btrfs-control', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/btrfs-control', 0x800, 0x0) 542.78µs ago: executing program 2 (id=47): socket$pppl2tp(0x18, 0x1, 0x1) 420.88µs ago: executing program 1 (id=48): execveat(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 357.87µs ago: executing program 0 (id=49): getpeername(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000)) 322.21µs ago: executing program 2 (id=50): mlock(0x0, 0x0) 241.29µs ago: executing program 3 (id=51): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cdrom', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cdrom', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cdrom', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cdrom', 0x800, 0x0) 70.8µs ago: executing program 1 (id=52): io_cancel(0x0, &(0x7f0000000000), &(0x7f0000000000)) 35.63µs ago: executing program 0 (id=53): capset(&(0x7f0000000000), &(0x7f0000000000)) 0s ago: executing program 2 (id=54): syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.143' (ED25519) to the list of known hosts. [ 29.485519][ T4036] cgroup: Unknown subsys name 'net' [ 29.826334][ T4036] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 30.124054][ T4036] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 31.015499][ T4103] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 31.016722][ T4103] Modules linked in: [ 31.017368][ T4103] CPU: 1 PID: 4103 Comm: syz.1.52 Not tainted syzkaller #0 [ 31.018643][ T4103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 31.020244][ T4103] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 31.021611][ T4103] pc : lookup_ioctx+0x108/0x7c8 [ 31.022484][ T4103] lr : lookup_ioctx+0xe4/0x7c8 [ 31.023230][ T4103] sp : ffff80001f807cf0 [ 31.023988][ T4103] x29: ffff80001f807cf0 x28: ffff0000c9579b40 x27: 0000000000000000 [ 31.025328][ T4103] x26: 1fffe000192af368 x25: 0000000000400040 x24: ffff0000c9af5c00 [ 31.026686][ T4103] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 31.028010][ T4103] x20: ffff0000c9579b40 x19: 0000000000000000 x18: 0000000000000000 [ 31.029400][ T4103] x17: 0000000000000000 x16: ffff800008a23b90 x15: 0000000000000000 [ 31.030796][ T4103] x14: 0000000000000003 x13: 1ffff0000285402b x12: 0000000000ff0100 [ 31.032118][ T4103] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 31.033457][ T4103] x8 : 0000000000000000 x7 : ffff800008758fbc x6 : 0000000000000000 [ 31.034772][ T4103] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 31.036160][ T4103] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 31.037542][ T4103] Call trace: [ 31.038125][ T4103] lookup_ioctx+0x108/0x7c8 [ 31.038852][ T4103] __arm64_sys_io_cancel+0x160/0x338 [ 31.039723][ T4103] invoke_syscall+0x98/0x2b0 [ 31.040503][ T4103] el0_svc_common+0x138/0x258 [ 31.041279][ T4103] do_el0_svc+0x58/0x13c [ 31.041983][ T4103] el0_svc+0x78/0x1d0 [ 31.042637][ T4103] el0t_64_sync_handler+0xcc/0xe4 [ 31.043470][ T4103] el0t_64_sync+0x1a0/0x1a4 [ 31.044224][ T4103] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 31.045419][ T4103] ---[ end trace 7237a2583f5ab6da ]--- [ 31.236656][ T4103] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 31.237552][ T4103] SMP: stopping secondary CPUs [ 32.311705][ T4103] SMP: failed to stop secondary CPUs 0-1 [ 32.312668][ T4103] Kernel Offset: disabled [ 32.313406][ T4103] CPU features: 0x8,000003c1,7d33ffd9 [ 32.314291][ T4103] Memory Limit: none [ 32.490608][ T4103] Rebooting in 86400 seconds..