================================================================== BUG: KASAN: null-ptr-deref in init_emulate_ctxt+0x497/0x4a0 arch/x86/kvm/x86.c:6424 Read of size 8 at addr 0000000000000005 by task syz-executor.2/9707 CPU: 1 PID: 9707 Comm: syz-executor.2 Not tainted 5.6.0-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+0x188/0x20d lib/dump_stack.c:118 __kasan_report.cold+0x5/0x4d mm/kasan/report.c:515 kasan_report+0x33/0x50 mm/kasan/common.c:625 init_emulate_ctxt+0x497/0x4a0 arch/x86/kvm/x86.c:6424 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9707 Comm: syz-executor.2 Tainted: G B 5.6.0-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+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 end_report+0x4d/0x53 mm/kasan/report.c:103 __kasan_report.cold+0xd/0x4d mm/kasan/report.c:518 kasan_report+0x33/0x50 mm/kasan/common.c:625 init_emulate_ctxt+0x497/0x4a0 arch/x86/kvm/x86.c:6424 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..