netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. ------------[ cut here ]------------ kernel BUG at mm/vmstat.c:1425! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 11623 Comm: kworker/1:1 Not tainted 4.4.174+ #4 Workqueue: vmstat vmstat_update task: ffff8800baf88000 task.stack: ffff880088d28000 RIP: 0010:[] [] vmstat_update mm/vmstat.c:1425 [inline] RIP: 0010:[] [] vmstat_update+0x99/0xb0 mm/vmstat.c:1396 RSP: 0018:ffff880088d2fbc0 EFLAGS: 00010287 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81b0abec RDI: ffff8800baf883f8 RBP: ffff880088d2fbe0 R08: ffffffff82836950 R09: ffff8800baf88910 R10: ffffffff83a189d0 R11: 0000000000000000 R12: ffff8801db71b380 R13: ffff880088d2fc78 R14: ffff8801bd7f5e00 R15: ffff8801db71df00 FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe9b2738000 CR3: 00000000a9e01000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 0000000000000000 ffff8801db71b380 ffff880088d2fc78 ffff8801bd7f5e00 ffff880088d2fd00 ffffffff81122c25 ffffffff81122b42 ffffffff81159431 ffff8801bd7f5e48 ffff8800003f8500 ffff880100000000 ffff8801bd7f5e20 Call Trace: [] process_one_work+0x825/0x1720 kernel/workqueue.c:2064 [] worker_thread+0x4e4/0xf50 kernel/workqueue.c:2196 [] kthread+0x273/0x310 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537 Code: 89 f6 e8 4b 95 d1 ff 5b 41 5c 41 5d 41 5e 5d c3 e8 cd e3 6f 00 89 c0 f0 48 0f ab 05 92 f4 c1 02 72 09 5b 41 5c 41 5d 41 5e 5d c3 <0f> 0b e8 c0 84 07 00 eb af 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 RIP [] vmstat_update+0x99/0xb0 mm/vmstat.c:1427 RSP ---[ end trace 3734abc7d6fc2bab ]---