IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready ================================================================== BUG: KMSAN: uninit-value in __rmqueue_pcplist mm/page_alloc.c:2964 [inline] BUG: KMSAN: uninit-value in rmqueue_pcplist mm/page_alloc.c:2993 [inline] BUG: KMSAN: uninit-value in rmqueue mm/page_alloc.c:3015 [inline] BUG: KMSAN: uninit-value in get_page_from_freelist+0x5e3f/0xb5e0 mm/page_alloc.c:3359 CPU: 1 PID: 5888 Comm: sh Not tainted 4.17.0-rc5+ #103 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+0x149/0x260 mm/kmsan/kmsan.c:1084 __msan_warning_32+0x6e/0xc0 mm/kmsan/kmsan_instr.c:686 __rmqueue_pcplist mm/page_alloc.c:2964 [inline] rmqueue_pcplist mm/page_alloc.c:2993 [inline] rmqueue mm/page_alloc.c:3015 [inline] get_page_from_freelist+0x5e3f/0xb5e0 mm/page_alloc.c:3359 __alloc_pages_nodemask+0x7be/0x5dc0 mm/page_alloc.c:4371 alloc_pages_current+0x6b1/0x970 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:494 [inline] alloc_slab_page mm/slub.c:1467 [inline] allocate_slab mm/slub.c:1612 [inline] new_slab+0x349/0x1b50 mm/slub.c:1683 new_slab_objects mm/slub.c:2464 [inline] ___slab_alloc+0x1516/0x1f50 mm/slub.c:2616 __slab_alloc mm/slub.c:2656 [inline] slab_alloc_node mm/slub.c:2719 [inline] slab_alloc mm/slub.c:2761 [inline] kmem_cache_alloc+0x648/0xb90 mm/slub.c:2766 dst_alloc+0x295/0x860 net/core/dst.c:104 __ip6_dst_alloc net/ipv6/route.c:361 [inline] ip6_dst_alloc net/ipv6/route.c:376 [inline] icmp6_dst_alloc+0x15c/0xc60 net/ipv6/route.c:2461 mld_sendpack+0x70c/0x11d0 net/ipv6/mcast.c:1647 mld_send_cr net/ipv6/mcast.c:1954 [inline] mld_ifc_timer_expire+0x126b/0x15a0 net/ipv6/mcast.c:2451 call_timer_fn+0x26a/0x5a0 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0xda7/0x11c0 kernel/time/timer.c:1666 run_timer_softirq+0x43/0x70 kernel/time/timer.c:1692 __do_softirq+0x56d/0x93d kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x202/0x240 kernel/softirq.c:405 exiting_irq+0xe/0x10 arch/x86/include/asm/apic.h:525 smp_apic_timer_interrupt+0x64/0x90 arch/x86/kernel/apic/apic.c:1055 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863 RIP: 0010:native_restore_fl arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:78 [inline] RIP: 0010:__msan_poison_alloca+0x14c/0x1d0 mm/kmsan/kmsan_instr.c:652 RSP: 0018:ffff880138cafb10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 00000000fd200075 RBX: 00000000fd200075 RCX: ffff880138cafb50 RDX: 0000000000000004 RSI: 0000000000000004 RDI: 00000000a23fa17f RBP: ffff880138cafbb0 R08: 0000000001080020 R09: 0000000000000002 R10: 00000000ffff0a00 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8ac4a5f0 R14: 0000000000000246 R15: ffff880139139d40 do_signal+0x4a/0x1cf0 arch/x86/kernel/signal.c:807 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+0x1af/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f4be7c13aea RSP: 002b:00007ffda752f998 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: 00000000000000a1 RBX: 0000000000746400 RCX: 00007f4be7c13aea RDX: 0000000000000000 RSI: 00007ffda752faac RDI: 00000000ffffffff RBP: 0000000000000001 R08: 0000000000000000 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000746400 R14: 0000000000000000 R15: 0000000000000000 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:279 [inline] kmsan_save_stack mm/kmsan/kmsan.c:294 [inline] kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:685 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:529 __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+0x4bc/0x4d0 mm/page_alloc.c:2796 free_unref_page mm/page_alloc.c:2816 [inline] __free_pages mm/page_alloc.c:4440 [inline] free_pages+0x290/0x320 mm/page_alloc.c:4452 arch_tlb_finish_mmu mm/memory.c:290 [inline] tlb_finish_mmu+0x3f7/0x5c0 mm/memory.c:433 exit_mmap+0x514/0x970 mm/mmap.c:3107 __mmput+0x158/0x600 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 __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+0x152/0x230 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:279 [inline] kmsan_save_stack mm/kmsan/kmsan.c:294 [inline] kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:685 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:529 tlb_next_batch mm/memory.c:213 [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+0xeb4/0x3be0 mm/memory.c:1512 unmap_single_vma+0x445/0x5e0 mm/memory.c:1557 unmap_vmas+0x1f4/0x360 mm/memory.c:1587 exit_mmap+0x4bb/0x970 mm/mmap.c:3105 __mmput+0x158/0x600 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 __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+0x152/0x230 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:279 [inline] kmsan_save_stack mm/kmsan/kmsan.c:294 [inline] kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:685 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:529 __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+0x4bc/0x4d0 mm/page_alloc.c:2796 free_unref_page mm/page_alloc.c:2816 [inline] __free_pages mm/page_alloc.c:4440 [inline] free_pages+0x290/0x320 mm/page_alloc.c:4452 arch_tlb_finish_mmu mm/memory.c:290 [inline] tlb_finish_mmu+0x3f7/0x5c0 mm/memory.c:433 exit_mmap+0x514/0x970 mm/mmap.c:3107 __mmput+0x158/0x600 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 __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+0x152/0x230 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Local variable description: ----tlb@exit_mmap Variable was created at: exit_mmap+0x47/0x970 mm/mmap.c:3051 __mmput+0x158/0x600 kernel/fork.c:962 ==================================================================