syzbot

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kernel BUG at arch/x86/kvm/../../../virt/kvm/kvm_main.c:516!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 761 Comm: syz-executor006 Not tainted 5.10.75-syzkaller-01082-g234d53d2bb60 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kvm_mmu_notifier_invalidate_range_end+0xb2/0xc0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:516
Code: 49 8b 1e 48 c7 c7 ff ff ff ff 48 89 de e8 46 96 64 00 48 85 db 78 0e e8 7c 91 64 00 5b 41 5c 41 5e 41 5f 5d c3 e8 6e 91 64 00 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56
RSP: 0000:ffffc90001c8f7d0 EFLAGS: 00010293
RAX: ffffffff81086782 RBX: ffffffffffffffff RCX: ffff88810ee1a780
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc90001c8f7f0 R08: ffffffff8108676a R09: 0000000000000003
R10: fffff52000391ee9 R11: 0000000000000004 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffc90001cea160 R15: ffffc90001ce1000
FS:  00007fb9de8d3700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb9de8d32f8 CR3: 00000001209ce000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 mn_hlist_invalidate_end mm/mmu_notifier.c:583 [inline]
 __mmu_notifier_invalidate_range_end+0x246/0x300 mm/mmu_notifier.c:603
 mmu_notifier_invalidate_range_only_end include/linux/mmu_notifier.h:495 [inline]
 wp_page_copy+0xe51/0x1750 mm/memory.c:3235
 do_wp_page+0x73b/0xc80 mm/memory.c:3436
 handle_pte_fault+0x575/0xac0 mm/memory.c:4719
 ___handle_speculative_fault+0xd97/0x17d0 mm/memory.c:5086
 __handle_speculative_fault+0xc3/0x2a0 mm/memory.c:5129
 handle_speculative_fault include/linux/mm.h:1815 [inline]
 do_user_addr_fault+0x8c9/0xd70 arch/x86/mm/fault.c:1319
 handle_page_fault arch/x86/mm/fault.c:1462 [inline]
 exc_page_fault+0x98/0x2d0 arch/x86/mm/fault.c:1518
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0033:0x7fb9de900b1f
Code: 0d 00 01 8b 43 0c 85 c0 0f 85 78 02 00 00 48 8d 73 0c b9 40 42 0f 00 ba 81 00 00 00 c7 43 0c 01 00 00 00 bf ca 00 00 00 31 c0 <e8> 5c 6c 04 00 eb 83 66 2e 0f 1f 84 00 00 00 00 00 48 8b 35 01 d6
RSP: 002b:00007fb9de8d3300 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007fb9de9d6290 RCX: 00000000000f4240
RDX: 0000000000000081 RSI: 00007fb9de9d629c RDI: 00000000000000ca
RBP: 00007fb9de99d648 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 7275632e616d6472
R13: 0030656c69662f2e R14: 6d766b2f7665642f R15: 00007fb9de9d6298
Modules linked in:
---[ end trace 494f3a9482caeb1a ]---
RIP: 0010:kvm_mmu_notifier_invalidate_range_end+0xb2/0xc0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:516
Code: 49 8b 1e 48 c7 c7 ff ff ff ff 48 89 de e8 46 96 64 00 48 85 db 78 0e e8 7c 91 64 00 5b 41 5c 41 5e 41 5f 5d c3 e8 6e 91 64 00 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56
RSP: 0000:ffffc90001c8f7d0 EFLAGS: 00010293
RAX: ffffffff81086782 RBX: ffffffffffffffff RCX: ffff88810ee1a780
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc90001c8f7f0 R08: ffffffff8108676a R09: 0000000000000003
R10: fffff52000391ee9 R11: 0000000000000004 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffc90001cea160 R15: ffffc90001ce1000
FS:  00007fb9de8d3700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f0f3bed018 CR3: 00000001209ce000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400