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: 2171 Comm: udevd Not tainted 4.16.0-rc5+ #351 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: ffff8801cddb2300 RBX: 00000000001606f0 RCX: ffffffff811a5f22 RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0 RBP: ffff8801db207ca8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006 R13: ffff8801cddb2300 R14: ffff8801db21d130 R15: ffff8801db21d130 FS: 00007f0b1e67a7a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0b1e681000 CR3: 00000001ce3f8006 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:security_inode_permission+0x33/0xf0 security/security.c:695 RSP: 0018:ffff8801cddbf6e0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff04 RAX: dffffc0000000000 RBX: ffff8801d170d100 RCX: ffffffff82206b1a RDX: 0000000000000000 RSI: 0000000000000081 RDI: ffff8801d170d10c RBP: ffff8801cddbf708 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000081 R13: ffff8801d170d100 R14: 0000000000000081 R15: 0000000000000000 inode_permission+0xea/0x470 fs/namei.c:456 may_lookup fs/namei.c:1648 [inline] link_path_walk+0x1e6/0x1470 fs/namei.c:2034 path_openat+0x2bc/0x3530 fs/namei.c:3518 do_filp_open+0x25b/0x3b0 fs/namei.c:3553 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7f0b1dd82120 RSP: 002b:00007fff7380a008 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000002649c70 RCX: 00007f0b1dd82120 RDX: 00000000000001b6 RSI: 0000000000000242 RDI: 00007fff7380a100 RBP: 00007fff7380a080 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000420828 R14: 0000000000000e44 R15: 0000000002649eb0 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 3c5d26cf78dba827 ]---