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BUG: KASAN: vmalloc-out-of-bounds in __lock_acquire+0x3fa6/0x4c50 kernel/locking/lockdep.c:4225
Read of size 8 at addr ffffc9001ac3a9a0 by task syz-executor.2/22965

CPU: 1 PID: 22965 Comm: syz-executor.2 Not tainted 5.7.0-rc4-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
 print_address_description.constprop.0.cold+0x5/0x315 mm/kasan/report.c:382
 __kasan_report.cold+0x35/0x4d mm/kasan/report.c:511
 kasan_report+0x33/0x50 mm/kasan/common.c:625
 __lock_acquire+0x3fa6/0x4c50 kernel/locking/lockdep.c:4225
 lock_acquire+0x1f2/0x8f0 kernel/locking/lockdep.c:4934
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xbf kernel/locking/spinlock.c:159
 srcu_funnel_gp_start kernel/rcu/srcutree.c:643 [inline]
 __call_srcu kernel/rcu/srcutree.c:872 [inline]
 __call_srcu+0x54e/0xd40 kernel/rcu/srcutree.c:835
 __synchronize_srcu+0x19d/0x260 kernel/rcu/srcutree.c:921
 kvm_arch_destroy_vm+0x3e2/0x510 arch/x86/kvm/x86.c:9913
 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:749 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3817 [inline]
 kvm_dev_ioctl+0xf6c/0x1490 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3869
 __do_compat_sys_ioctl fs/ioctl.c:865 [inline]
 __se_compat_sys_ioctl fs/ioctl.c:816 [inline]
 __ia32_compat_sys_ioctl+0x23d/0x2b0 fs/ioctl.c:816
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139


Memory state around the buggy address:
 ffffc9001ac3a880: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
 ffffc9001ac3a900: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
>ffffc9001ac3a980: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
                               ^
 ffffc9001ac3aa00: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
 ffffc9001ac3aa80: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
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