Unable to handle kernel paging request at virtual address ffef800000000001 KASAN: maybe wild-memory-access in range [0xff00000000000010-0xff0000000000001f] Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ffef800000000001] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 4150 Comm: syz.3.21 Not tainted syzkaller #0 PREEMPT Hardware name: linux,dummy-virt (DT) pstate: 61402009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : vgic_its_save_ite arch/arm64/kvm/vgic/vgic-its.c:2116 [inline] pc : vgic_its_save_itt arch/arm64/kvm/vgic/vgic-its.c:2219 [inline] pc : vgic_its_save_device_tables arch/arm64/kvm/vgic/vgic-its.c:2365 [inline] pc : vgic_its_save_tables_v0+0x3e0/0xe38 arch/arm64/kvm/vgic/vgic-its.c:2585 lr : compute_next_eventid_offset arch/arm64/kvm/vgic/vgic-its.c:2032 [inline] lr : vgic_its_save_ite arch/arm64/kvm/vgic/vgic-its.c:2113 [inline] lr : vgic_its_save_itt arch/arm64/kvm/vgic/vgic-its.c:2219 [inline] lr : vgic_its_save_device_tables arch/arm64/kvm/vgic/vgic-its.c:2365 [inline] lr : vgic_its_save_tables_v0+0x37c/0xe38 arch/arm64/kvm/vgic/vgic-its.c:2585 sp : ffff80008ed07bf0 x29: ffff80008ed07c70 x28: 20f00000237d8af0 x27: 0000000000000000 x26: 00000000000000e2 x25: 00000000fffffdfd x24: 95f0000023708280 x23: 20f00000237d8a38 x22: 6ef0000023708250 x21: 6ef0000023708250 x20: 38f00000122986c0 x19: efff800000000000 x18: 0000000000000000 x17: 0000000000000073 x16: ffff800080011d9c x15: 0000000020000300 x14: 0000000000000000 x13: fff000001f3dd948 x12: 0ff0000000000001 x11: 0000000000000010 x10: 0000000000002000 x9 : 0000000000000000 x8 : 0000000000000000 x7 : ffff800080249d14 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080166870 x2 : ffff800080249d90 x1 : 6ef0000023708250 x0 : 0000000000000000 Call trace: vgic_its_save_ite arch/arm64/kvm/vgic/vgic-its.c:2116 [inline] (P) vgic_its_save_itt arch/arm64/kvm/vgic/vgic-its.c:2219 [inline] (P) vgic_its_save_device_tables arch/arm64/kvm/vgic/vgic-its.c:2365 [inline] (P) vgic_its_save_tables_v0+0x3e0/0xe38 arch/arm64/kvm/vgic/vgic-its.c:2585 (P) vgic_its_ctrl arch/arm64/kvm/vgic/vgic-its.c:-1 [inline] vgic_its_set_attr+0x65c/0x860 arch/arm64/kvm/vgic/vgic-its.c:2756 kvm_device_ioctl_attr virt/kvm/kvm_main.c:4722 [inline] kvm_device_ioctl+0x354/0x418 virt/kvm/kvm_main.c:-1 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x18c/0x244 fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x90/0x238 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x180/0x2f4 arch/arm64/kernel/syscall.c:132 do_el0_svc+0x58/0x74 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x234 arch/arm64/kernel/entry-common.c:746 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: 9100412b b2481d69 d344fd2c d378fd69 (386c6a6c) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 9100412b add x11, x9, #0x10 4: b2481d69 orr x9, x11, #0xff00000000000000 8: d344fd2c lsr x12, x9, #4 c: d378fd69 lsr x9, x11, #56 * 10: 386c6a6c ldrb w12, [x19, x12] <-- trapping instruction