kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 13193 Comm: syz-executor2 Not tainted 4.16.0-rc5+ #358 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76 RSP: 0018:ffff8801db207ca8 EFLAGS: 00010006 RAX: ffff8801d8f264c0 RBX: 00000000001606f0 RCX: ffffffff811a5f02 RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0 RBP: ffff8801db207ca8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006 R13: ffff8801d8f264c0 R14: ffff8801db21d130 R15: ffff8801db21d130 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b9bc24000 CR3: 0000000006e22004 CR4: 00000000001626f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __write_cr4 arch/x86/include/asm/paravirt.h:77 [inline] __cr4_set arch/x86/include/asm/tlbflush.h:254 [inline] cr4_clear_bits arch/x86/include/asm/tlbflush.h:277 [inline] kvm_cpu_vmxoff arch/x86/kvm/vmx.c:3651 [inline] hardware_disable+0x34a/0x4b0 arch/x86/kvm/vmx.c:3657 kvm_arch_hardware_disable+0x35/0xd0 arch/x86/kvm/x86.c:8281 hardware_disable_nolock+0x30/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3289 flush_smp_call_function_queue+0x1f4/0x570 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x30 kernel/smp.c:192 smp_call_function_single_interrupt+0x103/0x640 arch/x86/kernel/smp.c:295 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:879 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778 [inline] RIP: 0010:lock_release+0x503/0xa40 kernel/locking/lockdep.c:3942 RSP: 0018:ffff8801c26568d8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff04 RAX: dffffc0000000000 RBX: ffff8801d8f264c0 RCX: 1ffff1003b1e4da5 RDX: 1ffffffff0dd939d RSI: 0000000000000002 RDI: 0000000000000282 RBP: ffff8801c2656a08 R08: ffff8801db227fc0 R09: 1ffff100384cad24 R10: ffff8801c26565e0 R11: 0000000000000001 R12: 5fed822b43e6328b R13: ffff8801d8f264c0 R14: ffff8801c2656920 R15: 1ffff100384cad20 rcu_lock_release include/linux/rcupdate.h:249 [inline] rcu_read_unlock include/linux/rcupdate.h:686 [inline] __unlock_page_memcg+0x72/0x100 mm/memcontrol.c:1654 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1663 page_remove_file_rmap mm/rmap.c:1247 [inline] page_remove_rmap+0x3b7/0xeb0 mm/rmap.c:1298 zap_pte_range mm/memory.c:1337 [inline] zap_pmd_range mm/memory.c:1441 [inline] zap_pud_range mm/memory.c:1470 [inline] zap_p4d_range mm/memory.c:1491 [inline] unmap_page_range+0xfc3/0x22e0 mm/memory.c:1512 unmap_single_vma+0x15f/0x2d0 mm/memory.c:1557 unmap_vmas+0xf1/0x1b0 mm/memory.c:1587 exit_mmap+0x23a/0x500 mm/mmap.c:3020 __mmput kernel/fork.c:960 [inline] mmput+0x223/0x6d0 kernel/fork.c:981 exit_mm kernel/exit.c:544 [inline] do_exit+0x90a/0x1ad0 kernel/exit.c:852 do_group_exit+0x149/0x400 kernel/exit.c:968 get_signal+0x73a/0x16d0 kernel/signal.c:2469 do_signal+0x90/0x1e90 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x258/0x2f0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ec/0x940 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f3887ce3ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000072bec8 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072bec8 RBP: 000000000072bec8 R08: 0000000000000000 R09: 000000000072bea0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000a3e8ef R14: 00007f3887ce49c0 R15: 0000000000000000 Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d RIP: native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76 RSP: ffff8801db207ca8 ---[ end trace 48c449ccee8867ce ]---