list_add corruption. next->prev should be prev (0000000097f99548), but was 00000000d7451fa6. (next=000000001429757e). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:25! invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 3983 Comm: syz-executor3 Not tainted 4.15.0-rc4-mm1+ #47 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid+0x7b/0xd0 lib/list_debug.c:23 RSP: 0018:ffff8801be4cf398 EFLAGS: 00010082 RAX: 0000000000000075 RBX: ffff8801be1fda58 RCX: 0000000000000000 RDX: 0000000000000075 RSI: ffffc90003343000 RDI: ffffed0037c99e67 RBP: ffff8801be4cf3b0 R08: 0000000000000000 R09: 1ffff10037c99e05 R10: ffff8801be1fda58 R11: 0000000000000001 R12: ffff8801be1fda58 R13: ffff8801db31a130 R14: ffff8801be1f8340 R15: ffff8801be1fda58 FS: 00007f874e8e3700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000071c000 CR3: 00000001be958006 CR4: 00000000001626e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add include/linux/list.h:79 [inline] vmx_vcpu_load+0x20d/0xe70 arch/x86/kvm/vmx.c:2365 kvm_arch_vcpu_load+0x1c1/0x890 arch/x86/kvm/x86.c:2906 vcpu_load+0x32/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:158 kvm_arch_vcpu_ioctl_run+0xfa/0x5cb0 arch/x86/kvm/x86.c:7339 kvm_vcpu_ioctl+0x6f1/0xff0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2555 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a09 RSP: 002b:00007f874e8e2c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452a09 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000001a RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728 R13: 00000000ffffffff R14: 00007f874e8e36d4 R15: 0000000000000000 Code: 39 da 75 29 49 39 f4 74 38 49 39 dc 74 33 48 83 c4 08 b8 01 00 00 00 5b 41 5c 5d c3 48 89 d9 48 c7 c7 60 11 a0 85 e8 5d cf 04 ff <0f> 0b 48 89 f1 48 c7 c7 20 12 a0 85 48 89 de e8 49 cf 04 ff 0f RIP: __list_add_valid+0x7b/0xd0 lib/list_debug.c:23 RSP: ffff8801be4cf398 ---[ end trace 41ccddf7179008cf ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..