IPVS: ftp: loaded support on port[0] = 21
WARNING: CPU: 0 PID: 7455 at mm/mempolicy.c:1745 policy_node mm/mempolicy.c:1745 [inline]
WARNING: CPU: 0 PID: 7455 at mm/mempolicy.c:1745 alloc_pages_vma+0x1bd/0x4a0 mm/mempolicy.c:2043
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 7455 Comm: syz-executor2 Not tainted 4.20.0-rc5+ #269
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'lo' (00000000141894dd): kobject_add_internal: parent: 'net', set: 'devices'
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 panic+0x2ad/0x55c kernel/panic.c:188
 __warn.cold.8+0x20/0x45 kernel/panic.c:540
IPVS: ftp: loaded support on port[0] = 21
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969
RIP: 0010:policy_node mm/mempolicy.c:1745 [inline]
RIP: 0010:alloc_pages_vma+0x1bd/0x4a0 mm/mempolicy.c:2043
Code: 5f 5d c3 e8 15 2f bf ff 45 89 ec 31 ff 41 81 e4 00 00 04 00 44 89 e6 e8 11 30 bf ff 45 85 e4 0f 84 50 ff ff ff e8 f3 2e bf ff <0f> 0b e9 44 ff ff ff e8 e7 2e bf ff e8 22 5e ff ff 48 89 c3 e9 6b
kobject: 'lo' (00000000141894dd): kobject_uevent_env
RSP: 0018:ffff8881b509f298 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff8881da96f898 RCX: ffffc90006b08000
RDX: 00000000000003c9 RSI: ffffffff81c06ccd RDI: 0000000000000005
RBP: ffff8881b509f2d8 R08: ffff8881856842c0 R09: ffffed103b5c5b5f
R10: 0000000000000002 R11: ffff8881dae2dafb R12: 0000000000040000
R13: 00000000000742ca R14: ffff8881da96f8a0 R15: 0000000000000002
 do_huge_pmd_anonymous_page+0x59e/0x2030 mm/huge_memory.c:728
kobject: 'lo' (00000000141894dd): fill_kobj_path: path = '/devices/virtual/net/lo'
kobject: 'queues' (0000000073f7a9e8): kobject_add_internal: parent: 'lo', set: '<NULL>'
 create_huge_pmd mm/memory.c:3656 [inline]
 __handle_mm_fault+0x3c91/0x5be0 mm/memory.c:3860
kobject: 'queues' (0000000073f7a9e8): kobject_uevent_env
kobject: 'queues' (0000000073f7a9e8): kobject_uevent_env: filter function caused the event to drop!
 handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
 __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
kobject: 'rx-0' (000000005da2613a): kobject_add_internal: parent: 'queues', set: 'queues'
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1139
RIP: 0010:__clear_user+0x3b/0x70 arch/x86/lib/usercopy_64.c:23
Code: f9 be 13 00 00 00 48 c7 c7 a0 48 d8 88 e8 cd 28 d8 f9 0f 1f 00 48 89 d8 48 c1 eb 03 4c 89 e7 83 e0 07 48 89 d9 48 85 c9 74 0f <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
RSP: 0018:ffff8881b509fcd0 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 0000000002000000 RCX: 0000000001fc0050
kobject: 'rx-0' (000000005da2613a): kobject_uevent_env
RDX: 0000000000000309 RSI: ffffffff81b1b3f3 RDI: 0000000020200000
RBP: ffff8881b509fce0 R08: 1ffff11036a13f76 R09: 0000000000000008
R10: 0000000000000001 R11: ffff8881856842c0 R12: 0000000020000280
R13: 0000000020000280 R14: 00007ffffffff000 R15: 0000000000000000
 clear_user+0xb1/0xe0 arch/x86/lib/usercopy_64.c:52
 __do_compat_sys_get_mempolicy mm/mempolicy.c:1543 [inline]
 __se_compat_sys_get_mempolicy mm/mempolicy.c:1520 [inline]
 __ia32_compat_sys_get_mempolicy+0x204/0x2e0 mm/mempolicy.c:1520
kobject: 'rx-0' (000000005da2613a): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0'
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
kobject: 'tx-0' (00000000015e9231): kobject_add_internal: parent: 'queues', set: 'queues'
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f6fa29
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f5f6b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000113
kobject: 'tx-0' (00000000015e9231): kobject_uevent_env
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020000280
RDX: 0000000080000001 RSI: 00000000205ad000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..