WARNING: CPU: 0 PID: 11947 at mm/mempolicy.c:1745 policy_node mm/mempolicy.c:1745 [inline]
WARNING: CPU: 0 PID: 11947 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: 11947 Comm: syz-executor5 Not tainted 4.20.0-rc5+ #146
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+0x244/0x39d lib/dump_stack.c:113
kobject: 'loop4' (00000000e4614b9d): kobject_uevent_env
 panic+0x2ad/0x55c kernel/panic.c:188
kobject: 'loop4' (00000000e4614b9d): fill_kobj_path: path = '/devices/virtual/block/loop4'
 __warn.cold.8+0x20/0x45 kernel/panic.c:540
 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
RSP: 0018:ffff88817f14f188 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff8881da96f258 RCX: ffffc9000fe5a000
RDX: 000000000000033f RSI: ffffffff81c0557d RDI: 0000000000000005
RBP: ffff88817f14f1c8 R08: ffff888181fe81c0 R09: ffffed103b5c5b5f
R10: 0000000000000002 R11: ffff8881dae2dafb R12: 0000000000040000
R13: 00000000000742ca R14: ffff8881da96f260 R15: 0000000000000002
 do_huge_pmd_anonymous_page+0x59e/0x2030 mm/huge_memory.c:728
 create_huge_pmd mm/memory.c:3656 [inline]
 __handle_mm_fault+0x3c91/0x5be0 mm/memory.c:3860
 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
 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 80 45 d8 88 e8 bd fa 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:ffff88817f14fbc8 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 000000000000000f RCX: 000000000000000f
RDX: 0000000000000278 RSI: ffffffff81b19ca3 RDI: 00000000203e8008
RBP: ffff88817f14fbd8 R08: 1ffff1102fe29f55 R09: 0000000000000008
R10: 0000000000000001 R11: ffff888181fe81c0 R12: 00000000203e8008
R13: 00000000203e8008 R14: 00007ffffffff000 R15: 0000000000000000
 clear_user+0xb1/0xe0 arch/x86/lib/usercopy_64.c:52
 copy_nodes_to_user mm/mempolicy.c:1322 [inline]
 kernel_get_mempolicy+0x292/0x1100 mm/mempolicy.c:1506
 __do_sys_get_mempolicy mm/mempolicy.c:1515 [inline]
 __se_sys_get_mempolicy mm/mempolicy.c:1511 [inline]
 __x64_sys_get_mempolicy+0xbe/0x150 mm/mempolicy.c:1511
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457569
Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fee4c61bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000ef
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569
RDX: 0000000000000401 RSI: 00000000203e8000 RDI: 00000000200005c0
RBP: 000000000072bf00 R08: 0000000000000003 R09: 0000000000000000
R10: 00000000208d3000 R11: 0000000000000246 R12: 00007fee4c61c6d4
R13: 00000000004bdf2b R14: 00000000004cd578 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..