attempt to access beyond end of device list_add corruption. next->prev should be prev (ffff8880ae62d8d8), but was 0000000000000000. (next=ffff8880a9e1e330). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:25! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0+ #393 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid.cold.0+0xf/0x25 lib/list_debug.c:23 Code: e8 23 0b 32 fe e9 68 ff ff ff e8 19 0b 32 fe eb c9 4c 89 e7 e8 0f 0b 32 fe eb 97 48 89 d9 48 c7 c7 40 c3 80 88 e8 32 ef d4 fd <0f> 0b 48 89 f1 48 c7 c7 00 c4 80 88 48 89 de e8 1e ef d4 fd 0f 0b RSP: 0018:ffff8880ae607218 EFLAGS: 00010082 RAX: 0000000000000075 RBX: ffff8880a9e1e330 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81683015 RDI: 0000000000000005 RBP: ffff8880ae607230 R08: ffff8880a9e1c240 R09: ffffed1015cc5020 R10: ffffed1015cc5020 R11: ffff8880ae628107 R12: ffff888059bac2f0 R13: 1ffff11015cc0e4b R14: ffff8880ae6072b8 R15: ffff888059bac2f0 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe5cdd85018 CR3: 000000008679a000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add include/linux/list.h:79 [inline] account_entity_enqueue+0x3a3/0x660 kernel/sched/fair.c:2679 enqueue_entity+0x2af/0x1ff0 kernel/sched/fair.c:3903 enqueue_task_fair+0x288/0x11f0 kernel/sched/fair.c:5134 enqueue_task kernel/sched/core.c:730 [inline] activate_task+0x136/0x430 kernel/sched/core.c:751 ttwu_activate kernel/sched/core.c:1643 [inline] ttwu_do_activate+0xd5/0x1f0 kernel/sched/core.c:1702 ttwu_queue kernel/sched/core.c:1847 [inline] try_to_wake_up+0x9a3/0x1460 kernel/sched/core.c:2057 wake_up_process+0x10/0x20 kernel/sched/core.c:2129 hrtimer_wakeup+0x48/0x60 kernel/time/hrtimer.c:1637 __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1060 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 Modules linked in: ---[ end trace 8b80f5ec9872c871 ]--- RIP: 0010:__list_add_valid.cold.0+0xf/0x25 lib/list_debug.c:23 Code: e8 23 0b 32 fe e9 68 ff ff ff e8 19 0b 32 fe eb c9 4c 89 e7 e8 0f 0b 32 fe eb 97 48 89 d9 48 c7 c7 40 c3 80 88 e8 32 ef d4 fd <0f> 0b 48 89 f1 48 c7 c7 00 c4 80 88 48 89 de e8 1e ef d4 fd 0f 0b RSP: 0018:ffff8880ae607218 EFLAGS: 00010082 RAX: 0000000000000075 RBX: ffff8880a9e1e330 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81683015 RDI: 0000000000000005 RBP: ffff8880ae607230 R08: ffff8880a9e1c240 R09: ffffed1015cc5020 R10: ffffed1015cc5020 R11: ffff8880ae628107 R12: ffff888059bac2f0 R13: 1ffff11015cc0e4b R14: ffff8880ae6072b8 R15: ffff888059bac2f0 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe5cdd85018 CR3: 000000008679a000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400