IPVS: ftp: loaded support on port[0] = 21
==================================================================
BUG: KMSAN: uninit-value in __rmqueue_smallest mm/page_alloc.c:1983 [inline]
BUG: KMSAN: uninit-value in __rmqueue mm/page_alloc.c:2475 [inline]
BUG: KMSAN: uninit-value in rmqueue mm/page_alloc.c:3035 [inline]
BUG: KMSAN: uninit-value in get_page_from_freelist+0x64c5/0xb600 mm/page_alloc.c:3359
CPU: 1 PID: 16098 Comm: syz-executor7 Not tainted 4.17.0-rc3+ #88
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+0x185/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:683
 __rmqueue_smallest mm/page_alloc.c:1983 [inline]
 __rmqueue mm/page_alloc.c:2475 [inline]
 rmqueue mm/page_alloc.c:3035 [inline]
 get_page_from_freelist+0x64c5/0xb600 mm/page_alloc.c:3359
 __alloc_pages_nodemask+0x7aa/0x5dd0 mm/page_alloc.c:4371
 __alloc_pages include/linux/gfp.h:458 [inline]
 __alloc_pages_node include/linux/gfp.h:471 [inline]
 alloc_pages_vma+0x1565/0x1800 mm/mempolicy.c:2049
 do_huge_pmd_anonymous_page+0xbdb/0x2550 mm/huge_memory.c:722
 create_huge_pmd mm/memory.c:3854 [inline]
 __handle_mm_fault mm/memory.c:4058 [inline]
 handle_mm_fault+0x428f/0x7e50 mm/memory.c:4124
 __do_page_fault+0xec4/0x1a10 arch/x86/mm/fault.c:1400
 do_page_fault+0xd3/0x260 arch/x86/mm/fault.c:1477
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160
RIP: 0033:0x407695
RSP: 002b:0000000000a3e940 EFLAGS: 00010246
RAX: 0000000020bba000 RBX: 0000000000000000 RCX: 0000000000000002
RDX: dcf5ba2ffbbce7a7 RSI: 0000000000000000 RDI: 00000000019af848
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000730028
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000002 R14: 0000000000000000 R15: 00000000000175bd

Uninit was stored to memory at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline]
 kmsan_save_stack mm/kmsan/kmsan.c:293 [inline]
 kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:684
 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:528
 __write_once_size include/linux/compiler.h:224 [inline]
 __list_add include/linux/list.h:66 [inline]
 list_add include/linux/list.h:79 [inline]
 __free_one_page+0x16cb/0x1800 mm/page_alloc.c:876
 free_one_page mm/page_alloc.c:1176 [inline]
 __free_pages_ok+0x87f/0x16b0 mm/page_alloc.c:1260
 free_compound_page+0x8e/0xc0 mm/page_alloc.c:571
 free_transhuge_page+0x3bc/0x470 mm/huge_memory.c:2732
 __put_compound_page mm/swap.c:95 [inline]
 release_pages+0x702/0x1670 mm/swap.c:759
 free_pages_and_swap_cache+0x55b/0x580 mm/swap_state.c:322
 tlb_flush_mmu_free mm/memory.c:259 [inline]
 zap_pte_range mm/memory.c:1404 [inline]
 zap_pmd_range mm/memory.c:1441 [inline]
 zap_pud_range mm/memory.c:1470 [inline]
 zap_p4d_range mm/memory.c:1491 [inline]
 unmap_page_range+0x3228/0x3be0 mm/memory.c:1512
 unmap_single_vma+0x45b/0x5f0 mm/memory.c:1557
 unmap_vmas+0x1f4/0x360 mm/memory.c:1587
 exit_mmap+0x3da/0x950 mm/mmap.c:3047
 __mmput+0x16c/0x610 kernel/fork.c:962
 mmput+0xab/0xf0 kernel/fork.c:983
 exit_mm+0x6ed/0x7a0 kernel/exit.c:545
 do_exit+0xc01/0x38d0 kernel/exit.c:854
 do_group_exit+0x1a0/0x360 kernel/exit.c:970
 get_signal+0x1320/0x1f20 kernel/signal.c:2469
 do_signal+0xb8/0x1c80 arch/x86/kernel/signal.c:810
 exit_to_usermode_loop arch/x86/entry/common.c:162 [inline]
 prepare_exit_to_usermode+0x271/0x3a0 arch/x86/entry/common.c:196
 syscall_return_slowpath+0xe9/0x700 arch/x86/entry/common.c:265
 do_syscall_64+0x1a6/0x220 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
Uninit was created at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline]
 kmsan_alloc_meta_for_pages+0x161/0x3a0 mm/kmsan/kmsan.c:814
 kmsan_alloc_page+0x82/0xe0 mm/kmsan/kmsan.c:868
 __alloc_pages_nodemask+0xf8e/0x5dd0 mm/page_alloc.c:4402
 alloc_pages_current+0x6b5/0x970 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:494 [inline]
 __get_free_pages+0x2d/0xc0 mm/page_alloc.c:4423
 tlb_next_batch mm/memory.c:204 [inline]
 __tlb_remove_page_size mm/memory.c:316 [inline]
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1340 [inline]
 zap_pmd_range mm/memory.c:1441 [inline]
 zap_pud_range mm/memory.c:1470 [inline]
 zap_p4d_range mm/memory.c:1491 [inline]
 unmap_page_range+0x26d2/0x3be0 mm/memory.c:1512
 unmap_single_vma+0x45b/0x5f0 mm/memory.c:1557
 unmap_vmas+0x1f4/0x360 mm/memory.c:1587
 exit_mmap+0x3da/0x950 mm/mmap.c:3047
 __mmput+0x16c/0x610 kernel/fork.c:962
 mmput+0xab/0xf0 kernel/fork.c:983
 exit_mm+0x6ed/0x7a0 kernel/exit.c:545
 do_exit+0xc01/0x38d0 kernel/exit.c:854
 do_group_exit+0x1a0/0x360 kernel/exit.c:970
 get_signal+0x1320/0x1f20 kernel/signal.c:2469
 do_signal+0xb8/0x1c80 arch/x86/kernel/signal.c:810
 exit_to_usermode_loop arch/x86/entry/common.c:162 [inline]
 prepare_exit_to_usermode+0x271/0x3a0 arch/x86/entry/common.c:196
 syscall_return_slowpath+0xe9/0x700 arch/x86/entry/common.c:265
 do_syscall_64+0x1a6/0x220 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
==================================================================