================================================================== BUG: KASAN: null-ptr-deref in kvm_vm_ioctl_set_irqchip arch/x86/kvm/x86.c:4794 [inline] BUG: KASAN: null-ptr-deref in kvm_arch_vm_ioctl+0x8bd/0x14a0 arch/x86/kvm/x86.c:5128 Read of size 8 at addr 0000000000000000 by task syz-executor.1/10765 CPU: 0 PID: 10765 Comm: syz-executor.1 Not tainted 5.7.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1e9/0x30e lib/dump_stack.c:118 __kasan_report mm/kasan/report.c:517 [inline] kasan_report+0x151/0x1d0 mm/kasan/report.c:530 kvm_vm_ioctl_set_irqchip arch/x86/kvm/x86.c:4794 [inline] kvm_arch_vm_ioctl+0x8bd/0x14a0 arch/x86/kvm/x86.c:5128 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 10765 Comm: syz-executor.1 Tainted: G B 5.7.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1e9/0x30e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:221 end_report mm/kasan/report.c:104 [inline] __kasan_report mm/kasan/report.c:520 [inline] kasan_report+0x1c9/0x1d0 mm/kasan/report.c:530 kvm_vm_ioctl_set_irqchip arch/x86/kvm/x86.c:4794 [inline] kvm_arch_vm_ioctl+0x8bd/0x14a0 arch/x86/kvm/x86.c:5128 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..