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: 1 PID: 5557 Comm: udevd 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]
 __get_free_pages mm/page_alloc.c:4304 [inline]
 get_zeroed_page+0x3f/0xd0 mm/page_alloc.c:4313
 pud_alloc_one arch/x86/include/asm/pgalloc.h:150 [inline]
 __pud_alloc+0xab/0x440 mm/memory.c:4188
 pud_alloc include/linux/mm.h:1739 [inline]
 __handle_mm_fault mm/memory.c:4044 [inline]
 handle_mm_fault+0xdfd/0x7e50 mm/memory.c:4140
 faultin_page mm/gup.c:502 [inline]
 __get_user_pages+0x176f/0x24d0 mm/gup.c:699
 __get_user_pages_locked mm/gup.c:870 [inline]
 get_user_pages_remote+0x2a9/0xb30 mm/gup.c:1062
 get_arg_page+0x17f/0x840 fs/exec.c:216
 copy_strings+0x7f6/0xfc0 fs/exec.c:552
 copy_strings_kernel fs/exec.c:597 [inline]
 do_execveat_common+0x1bf5/0x2ce0 fs/exec.c:1787
 do_execve fs/exec.c:1847 [inline]
 SYSC_execve+0xe2/0x110 fs/exec.c:1928
 SyS_execve+0x56/0x80 fs/exec.c:1923
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x7f7189a1b207
RSP: 002b:00007ffc643bd9c8 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f7189a1b207
RDX: 0000000001d76c10 RSI: 00007ffc643bdac0 RDI: 00007ffc643bead0
RBP: 0000000000625500 R08: 000000000000122a R09: 000000000000122a
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001d76c10
R13: 0000000000000007 R14: 0000000001d72250 R15: 0000000000000005

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
==================================================================