8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 ================================================================== BUG: KMSAN: uninit-value in __list_add_valid+0x1a2/0x450 lib/list_debug.c:23 CPU: 1 PID: 6464 Comm: ip Not tainted 4.17.0+ #9 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+0x188/0x2a0 mm/kmsan/kmsan.c:1125 __msan_warning_32+0x70/0xc0 mm/kmsan/kmsan_instr.c:620 __list_add_valid+0x1a2/0x450 lib/list_debug.c:23 __list_add include/linux/list.h:60 [inline] list_add include/linux/list.h:79 [inline] add_page_to_lru_list include/linux/mm_inline.h:51 [inline] __pagevec_lru_add_fn+0xb2e/0x1080 mm/swap.c:908 pagevec_lru_move_fn+0x343/0x4f0 mm/swap.c:209 __pagevec_lru_add mm/swap.c:918 [inline] lru_add_drain_cpu+0xf3/0x490 mm/swap.c:581 lru_add_drain+0x25/0x30 mm/swap.c:652 unmap_region+0x11f/0x580 mm/mmap.c:2567 do_munmap+0x1a2e/0x26c0 mm/mmap.c:2785 mmap_region+0x1500/0x3730 mm/mmap.c:1705 do_mmap+0x1902/0x2010 mm/mmap.c:1535 do_mmap_pgoff include/linux/mm.h:2236 [inline] vm_mmap_pgoff+0x31b/0x430 mm/util.c:357 ksys_mmap_pgoff+0xa5a/0xaf0 mm/mmap.c:1585 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0x1f1/0x260 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f0c2e31d3ea RSP: 002b:00007ffef88fe748 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f0c2e5254c8 RCX: 00007f0c2e31d3ea RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007f0c2e303000 RBP: 00007ffef88fea70 R08: 0000000000000013 R09: 0000000000012000 R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffef88feb58 R13: 0000000000000002 R14: 00007ffef88fe7c0 R15: 00007ffef88fe790 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:282 [inline] kmsan_save_stack mm/kmsan/kmsan.c:297 [inline] kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:689 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:464 __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] add_page_to_lru_list include/linux/mm_inline.h:51 [inline] __pagevec_lru_add_fn+0xf25/0x1080 mm/swap.c:908 pagevec_lru_move_fn+0x343/0x4f0 mm/swap.c:209 __pagevec_lru_add mm/swap.c:918 [inline] lru_add_drain_cpu+0xf3/0x490 mm/swap.c:581 lru_add_drain+0x25/0x30 mm/swap.c:652 exit_mmap+0x452/0x980 mm/mmap.c:3100 __mmput+0x158/0x600 kernel/fork.c:962 mmput+0xab/0xf0 kernel/fork.c:983 exit_mm+0x6ed/0x7a0 kernel/exit.c:545 do_exit+0xc12/0x3930 kernel/exit.c:854 do_group_exit+0x1a0/0x360 kernel/exit.c:970 __do_sys_exit_group+0x21/0x30 kernel/exit.c:981 __se_sys_exit_group+0x14/0x20 kernel/exit.c:979 __x64_sys_exit_group+0x4c/0x50 kernel/exit.c:979 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Local variable description: ----tlb.i@ldt_arch_exit_mmap Variable was created at: ldt_arch_exit_mmap+0x46/0x160 arch/x86/kernel/ldt.c:302 arch_exit_mmap arch/x86/include/asm/mmu_context.h:245 [inline] exit_mmap+0x410/0x980 mm/mmap.c:3094 ==================================================================