netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'.
WARNING: CPU: 1 PID: 11772 at mm/vmalloc.c:302 vmalloc_to_page+0x576/0x630 mm/vmalloc.c:302
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 11772 Comm: syz-executor2 Not tainted 4.18.0-rc8+ #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x17c/0x1c0 lib/dump_stack.c:113
 panic+0x3c3/0x9a0 kernel/panic.c:184
 __warn+0x40f/0x580 kernel/panic.c:536
 report_bug+0x6f2/0x840 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0x1c0/0x620 arch/x86/kernel/traps.c:298
 do_invalid_op+0x46/0x50 arch/x86/kernel/traps.c:318
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:999
RIP: 0010:vmalloc_to_page+0x576/0x630 mm/vmalloc.c:302
Code: ff ff 31 ff 48 8b 45 b8 84 c0 8b 4d cc 0f 48 f9 48 85 c0 0f 45 f9 e8 09 02 0f 00 49 83 fc 63 0f 84 61 fe ff ff e8 fa a5 b5 ff <0f> 0b 4d 85 ed 0f 85 9a 00 00 00 4d 8b 2e 4c 89 f7 e8 b4 f8 0e 00 
RSP: 0018:ffff88012190f948 EFLAGS: 00010283
RAX: ffffffff81afddc6 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90001eae000 RSI: 000000000000000f RDI: 0000000000000010
RBP: ffff88012190f9b0 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff83a591a0 R12: 0000000000000000
R13: 0000000000000000 R14: ffff880009834f78 R15: 0000000000000000
 vmalloc_to_page_or_null mm/kmsan/kmsan.c:802 [inline]
 kmsan_get_shadow_address+0xce/0x3d0 mm/kmsan/kmsan.c:1109
 kmsan_copy_to_user+0x82/0xb0 mm/kmsan/kmsan_hooks.c:488
 copy_to_user include/linux/uaccess.h:184 [inline]
 __do_sys_prctl kernel/sys.c:2338 [inline]
 __se_sys_prctl+0xb57/0x3e60 kernel/sys.c:2269
 __x64_sys_prctl+0x15d/0x1b0 kernel/sys.c:2269
 do_syscall_64+0x15b/0x220 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x457089
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007f024db2dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
RAX: ffffffffffffffda RBX: 00007f024db2e6d4 RCX: 0000000000457089
RDX: 0000000000000000 RSI: fffffffffdfffff7 RDI: 0000000000000010
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d3450 R14: 00000000004c8324 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..