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 rcu_segcblist_restempty kernel/rcu/rcu_segcblist.h:89 [inline] BUG: KMSAN: uninit-value in rcu_segcblist_pend_cbs+0xe5/0xf0 kernel/rcu/rcu_segcblist.c:105 CPU: 0 PID: 6306 Comm: syz-executor2 Not tainted 4.17.0-rc5+ #101 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 rcu_segcblist_restempty kernel/rcu/rcu_segcblist.h:89 [inline] rcu_segcblist_pend_cbs+0xe5/0xf0 kernel/rcu/rcu_segcblist.c:105 rcu_accelerate_cbs+0x7e/0xca0 kernel/rcu/tree.c:1810 rcu_report_qs_rdp kernel/rcu/tree.c:2514 [inline] rcu_check_quiescent_state kernel/rcu/tree.c:2553 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2881 [inline] rcu_process_callbacks+0x6eb/0x2020 kernel/rcu/tree.c:2914 __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:PageAnon include/linux/page-flags.h:414 [inline] RIP: 0010:zap_pte_range mm/memory.c:1327 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1441 [inline] RIP: 0010:zap_pud_range mm/memory.c:1470 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1491 [inline] RIP: 0010:unmap_page_range+0x1b65/0x3be0 mm/memory.c:1512 RSP: 0018:ffff8801433bf2d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffffea000860b028 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8801433bf530 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffea000860b020 R14: 0000000000000000 R15: ffffea000860b040 unmap_single_vma+0x45b/0x5f0 mm/memory.c:1557 unmap_vmas+0x1f4/0x360 mm/memory.c:1587 exit_mmap+0x43d/0x970 mm/mmap.c:3105 __mmput+0x16c/0x610 kernel/fork.c:962 mmput+0xab/0xf0 kernel/fork.c:983 exec_mmap fs/exec.c:1044 [inline] flush_old_exec+0x1adb/0x2170 fs/exec.c:1276 load_elf_binary+0x134a/0x8f70 fs/binfmt_elf.c:869 search_binary_handler+0x2ef/0xac0 fs/exec.c:1653 exec_binprm fs/exec.c:1695 [inline] do_execveat_common+0x22e4/0x2da0 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+0x154/0x220 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x454397 RSP: 002b:0000000000a3fac8 EFLAGS: 00000207 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000454397 RDX: 00007ffda6a22448 RSI: 0000000000a3fb00 RDI: 00000000004c8ca8 RBP: 0000000000a3fc80 R08: 0000000000000000 R09: 0000000000000022 R10: 0000000000000008 R11: 0000000000000207 R12: 0000000000a3fef8 R13: 0000000000a3fe28 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 rcu_segcblist_extract_done_cbs+0x52e/0x5e0 kernel/rcu/rcu_segcblist.c:221 rcu_do_batch kernel/rcu/tree.c:2668 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2930 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2897 [inline] rcu_process_callbacks+0x15c3/0x2020 kernel/rcu/tree.c:2914 __do_softirq+0x56d/0x93d kernel/softirq.c:285 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 cpu_load_update+0x841/0xa10 kernel/sched/fair.c:5579 cpu_load_update_active+0x2a8/0x390 kernel/sched/fair.c:5716 scheduler_tick+0x29a/0x480 kernel/sched/core.c:3089 update_process_times+0x157/0x1a0 kernel/time/timer.c:1641 tick_sched_handle kernel/time/tick-sched.c:164 [inline] tick_sched_timer+0x3ba/0x520 kernel/time/tick-sched.c:1274 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0xc03/0x15d0 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x451/0x13c0 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt+0x66/0x230 arch/x86/kernel/apic/apic.c:1025 smp_apic_timer_interrupt+0x5a/0x90 arch/x86/kernel/apic/apic.c:1053 Local variable description: ----flags.i.i.i.i@_raw_spin_lock_irqsave Variable was created at: _raw_spin_lock_irqsave+0x45/0xf0 kernel/locking/spinlock.c:150 hrtimer_interrupt+0x107/0x13c0 kernel/time/hrtimer.c:1499 ==================================================================