Unknown ioctl 1074021776 bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state Unknown ioctl -1062710496 ================================================================== BUG: KMSAN: uninit-value in accumulate_sum kernel/sched/fair.c:3131 [inline] BUG: KMSAN: uninit-value in ___update_load_sum kernel/sched/fair.c:3214 [inline] BUG: KMSAN: uninit-value in __update_load_avg_cfs_rq kernel/sched/fair.c:3320 [inline] BUG: KMSAN: uninit-value in update_cfs_rq_load_avg+0x1370/0x1aa0 kernel/sched/fair.c:3696 CPU: 0 PID: 11783 Comm: syz-executor2 Not tainted 4.17.0+ #18 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:1465 __msan_warning_32+0x70/0xc0 mm/kmsan/kmsan_instr.c:650 accumulate_sum kernel/sched/fair.c:3131 [inline] ___update_load_sum kernel/sched/fair.c:3214 [inline] __update_load_avg_cfs_rq kernel/sched/fair.c:3320 [inline] update_cfs_rq_load_avg+0x1370/0x1aa0 kernel/sched/fair.c:3696 update_load_avg+0xe50/0x2cc0 kernel/sched/fair.c:3797 entity_tick kernel/sched/fair.c:4463 [inline] task_tick_fair+0x1aa/0x1050 kernel/sched/fair.c:9893 scheduler_tick+0x28d/0x490 kernel/sched/core.c:3105 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+0xc54/0x1630 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x451/0x13c0 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt+0x6b/0x250 arch/x86/kernel/apic/apic.c:1025 smp_apic_timer_interrupt+0x5a/0x90 arch/x86/kernel/apic/apic.c:1053 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:868 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:kmsan_alloc_page+0xa4/0xe0 mm/kmsan/kmsan.c:1165 RSP: 0000:ffff88007060f758 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffea0002a77fa0 RSI: 0000000000080001 RDI: 0000000000080000 RBP: ffff88007060f798 R08: 0000000001080020 R09: 0000000000000003 R10: ffffffff8a001668 R11: 0000000000000000 R12: 0000000000000009 R13: ffff8801b39f0000 R14: 00000000000742ca R15: ffffea0002d0c000 __alloc_pages_nodemask+0xf7b/0x5cc0 mm/page_alloc.c:4404 __alloc_pages include/linux/gfp.h:458 [inline] __alloc_pages_node include/linux/gfp.h:471 [inline] alloc_pages_vma+0x1555/0x17f0 mm/mempolicy.c:2049 do_huge_pmd_anonymous_page+0xbdd/0x2540 mm/huge_memory.c:722 create_huge_pmd mm/memory.c:3856 [inline] __handle_mm_fault mm/memory.c:4060 [inline] handle_mm_fault+0x44ca/0x7ed0 mm/memory.c:4126 __do_page_fault+0xec6/0x1a10 arch/x86/mm/fault.c:1400 do_page_fault+0xb7/0x250 arch/x86/mm/fault.c:1477 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1169 RIP: 0033:0x43ceb1 RSP: 002b:0000000000a3e978 EFLAGS: 00010202 RAX: 0000000020000100 RBX: 0000000000000000 RCX: 0000000000000029 RDX: 000000000000000b RSI: 0000000000730080 RDI: 0000000020000100 RBP: 0000000000000000 R08: 000000000000005d R09: 00000000000000dc R10: 0000000000a3e940 R11: 0000000000000000 R12: 00000000000cd54c R13: 0000000000000002 R14: 000000000072c920 R15: 0000000000000001 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:312 [inline] kmsan_save_stack mm/kmsan/kmsan.c:327 [inline] kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:717 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:494 update_load_add kernel/sched/fair.c:123 [inline] account_entity_enqueue kernel/sched/fair.c:2644 [inline] reweight_entity+0x1610/0x1a30 kernel/sched/fair.c:2794 update_cfs_group kernel/sched/fair.c:2991 [inline] entity_tick kernel/sched/fair.c:4464 [inline] task_tick_fair+0x5f8/0x1050 kernel/sched/fair.c:9893 scheduler_tick+0x28d/0x490 kernel/sched/core.c:3105 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+0xc54/0x1630 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x451/0x13c0 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt+0x6b/0x250 arch/x86/kernel/apic/apic.c:1025 smp_apic_timer_interrupt+0x5a/0x90 arch/x86/kernel/apic/apic.c:1053 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:312 [inline] kmsan_save_stack mm/kmsan/kmsan.c:327 [inline] kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:717 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:494 update_load_set kernel/sched/fair.c:135 [inline] reweight_entity+0x128b/0x1a30 kernel/sched/fair.c:2780 update_cfs_group kernel/sched/fair.c:2991 [inline] entity_tick kernel/sched/fair.c:4464 [inline] task_tick_fair+0x5f8/0x1050 kernel/sched/fair.c:9893 scheduler_tick+0x28d/0x490 kernel/sched/core.c:3105 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+0xc54/0x1630 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x451/0x13c0 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt+0x6b/0x250 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 ==================================================================