bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready ================================================================== BUG: KMSAN: uninit-value in __list_add_valid+0x1b8/0x450 lib/list_debug.c:23 CPU: 0 PID: 5322 Comm: sh 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+0x1b8/0x450 lib/list_debug.c:23 __list_add include/linux/list.h:60 [inline] list_add include/linux/list.h:79 [inline] account_entity_enqueue kernel/sched/fair.c:2652 [inline] enqueue_entity kernel/sched/fair.c:4176 [inline] enqueue_task_fair+0xe12/0x4490 kernel/sched/fair.c:5359 enqueue_task kernel/sched/core.c:751 [inline] activate_task kernel/sched/core.c:770 [inline] ttwu_activate kernel/sched/core.c:1658 [inline] ttwu_do_activate kernel/sched/core.c:1717 [inline] ttwu_queue kernel/sched/core.c:1862 [inline] try_to_wake_up+0x162f/0x2260 kernel/sched/core.c:2075 wake_up_process+0x34/0x40 kernel/sched/core.c:2148 swake_up_locked kernel/sched/swait.c:30 [inline] swake_up+0xfb/0x3b0 kernel/sched/swait.c:40 rcu_gp_kthread_wake kernel/rcu/tree.c:1787 [inline] rcu_report_qs_rsp kernel/rcu/tree.c:2366 [inline] rcu_report_qs_rnp+0x767/0x880 kernel/rcu/tree.c:2433 rcu_report_qs_rdp kernel/rcu/tree.c:2516 [inline] rcu_check_quiescent_state kernel/rcu/tree.c:2553 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2881 [inline] rcu_process_callbacks+0x90a/0x2060 kernel/rcu/tree.c:2914 __do_softirq+0x592/0x979 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:866 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:587 RSP: 0018:ffff8801463bf1b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000080000070 RBX: 0000000080000070 RCX: ffff8801463bf1f0 RDX: 0000000000000004 RSI: 0000000000000004 RDI: 000000008e95a29d RBP: ffff8801463bf250 R08: 0000000001080020 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8acc12e0 R14: 0000000000000246 R15: ffff88014db13a80 page_remove_rmap+0xcd/0xe40 mm/rmap.c:1297 zap_pte_range mm/memory.c:1338 [inline] zap_pmd_range mm/memory.c:1442 [inline] zap_pud_range mm/memory.c:1471 [inline] zap_p4d_range mm/memory.c:1492 [inline] unmap_page_range+0x1db1/0x3be0 mm/memory.c:1513 unmap_single_vma+0x445/0x5e0 mm/memory.c:1558 unmap_vmas+0x1f4/0x360 mm/memory.c:1588 exit_mmap+0x4d7/0x980 mm/mmap.c:3105 __mmput+0x158/0x600 kernel/fork.c:962 mmput+0xab/0xf0 kernel/fork.c:983 exec_mmap fs/exec.c:1044 [inline] flush_old_exec+0x1ace/0x2150 fs/exec.c:1276 load_elf_binary+0x139f/0x8fe0 fs/binfmt_elf.c:869 search_binary_handler+0x2f4/0xac0 fs/exec.c:1653 exec_binprm fs/exec.c:1695 [inline] do_execveat_common+0x22e4/0x2db0 fs/exec.c:1817 do_execve fs/exec.c:1862 [inline] __do_sys_execve fs/exec.c:1943 [inline] __se_sys_execve fs/exec.c:1938 [inline] __x64_sys_execve+0x127/0x180 fs/exec.c:1938 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f74f3e82207 RSP: 002b:00007fff2e5718e8 EFLAGS: 00000206 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000000001c5f1f0 RCX: 00007f74f3e82207 RDX: 0000000001c5f288 RSI: 0000000001c5f1f0 RDI: 0000000001c5f2a0 RBP: 0000000001c5f2a0 R08: 000000000061c3f8 R09: 00007f74f3ef9a00 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001c5f288 R13: 0000000001c5f288 R14: 0000000000000000 R15: 0000000000000000 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 __list_add include/linux/list.h:65 [inline] list_add include/linux/list.h:79 [inline] list_move include/linux/list.h:171 [inline] pick_next_task_fair+0x2474/0x2530 kernel/sched/fair.c:6968 pick_next_task+0x1ba/0x420 kernel/sched/core.c:3368 __schedule+0x20f/0x770 kernel/sched/core.c:3498 do_task_dead+0xc8/0xf0 kernel/sched/core.c:3541 do_exit+0x347e/0x3930 kernel/exit.c:924 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 ==================================================================