IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
==================================================================
BUG: KMSAN: uninit-value in __rmqueue_pcplist mm/page_alloc.c:2843 [inline]
BUG: KMSAN: uninit-value in rmqueue_pcplist mm/page_alloc.c:2872 [inline]
BUG: KMSAN: uninit-value in rmqueue mm/page_alloc.c:2894 [inline]
BUG: KMSAN: uninit-value in get_page_from_freelist+0x5e50/0xb600 mm/page_alloc.c:3243
CPU: 0 PID: 4551 Comm: syz-executor4 Not tainted 4.16.0+ #87
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:683
 __rmqueue_pcplist mm/page_alloc.c:2843 [inline]
 rmqueue_pcplist mm/page_alloc.c:2872 [inline]
 rmqueue mm/page_alloc.c:2894 [inline]
 get_page_from_freelist+0x5e50/0xb600 mm/page_alloc.c:3243
 __alloc_pages_nodemask+0x789/0x5dc0 mm/page_alloc.c:4252
 alloc_pages_current+0x6b5/0x970 mm/mempolicy.c:2055
 alloc_pages include/linux/gfp.h:494 [inline]
 __vmalloc_area_node mm/vmalloc.c:1699 [inline]
 __vmalloc_node_range+0x80f/0x1140 mm/vmalloc.c:1759
 __vmalloc_node mm/vmalloc.c:1804 [inline]
 __vmalloc_node_flags mm/vmalloc.c:1818 [inline]
 vzalloc+0xb2/0xc0 mm/vmalloc.c:1857
 alloc_counters+0x99/0x920 net/ipv6/netfilter/ip6_tables.c:830
 copy_entries_to_user net/ipv4/netfilter/arp_tables.c:686 [inline]
 get_entries net/ipv4/netfilter/arp_tables.c:871 [inline]
 do_arpt_get_ctl+0x7da/0xe60 net/ipv4/netfilter/arp_tables.c:1489
 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline]
 nf_getsockopt+0x47b/0x4e0 net/netfilter/nf_sockopt.c:122
 ip_getsockopt+0x284/0x3c0 net/ipv4/ip_sockglue.c:1572
 tcp_getsockopt+0x1c1/0x1f0 net/ipv4/tcp.c:3359
 sock_common_getsockopt+0x13a/0x170 net/core/sock.c:2934
 SYSC_getsockopt+0x49b/0x570 net/socket.c:1880
 SyS_getsockopt+0x76/0xa0 net/socket.c:1862
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x457e7a
RSP: 002b:0000000000a3eab8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000457e7a
RDX: 0000000000000061 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000a3eae0 R08: 0000000000a3eadc R09: 0000000000000001
R10: 0000000000a3f160 R11: 0000000000000212 R12: 0000000000000003
R13: 0000000000000000 R14: 00000000006fe900 R15: 0000000000001380

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_unref_page_commit+0x4fb/0x530 mm/page_alloc.c:2674
 free_unref_page mm/page_alloc.c:2695 [inline]
 __free_pages mm/page_alloc.c:4321 [inline]
 free_pages+0x290/0x320 mm/page_alloc.c:4333
 arch_tlb_finish_mmu mm/memory.c:290 [inline]
 tlb_finish_mmu+0x3f7/0x5c0 mm/memory.c:433
 exit_mmap+0x498/0x950 mm/mmap.c:3040
 __mmput+0x16c/0x610 kernel/fork.c:961
 mmput+0xab/0xf0 kernel/fork.c:982
 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
 SYSC_exit_group+0x21/0x30 kernel/exit.c:981
 SyS_exit_group+0x25/0x30 kernel/exit.c:979
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Local variable description: ----tlb@exit_mmap
Variable was created at:
 exit_mmap+0x48/0x950 mm/mmap.c:2992
 __mmput+0x16c/0x610 kernel/fork.c:961
==================================================================