Enabling of bearer rejected, already enabled IPVS: stopping master sync thread 26700 ... list_del corruption, ffffea0001595f08->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:45! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 11904 Comm: kworker/0:5 Not tainted 5.0.0+ #10 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events cache_reap RIP: 0010:__list_del_entry_valid.cold+0x23/0x4f lib/list_debug.c:45 Code: e8 25 9d 2e fe 0f 0b 4c 89 f6 48 c7 c7 60 52 a2 87 e8 14 9d 2e fe 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 a0 51 a2 87 e8 00 9d 2e fe <0f> 0b 4c 89 e2 4c 89 f6 48 c7 c7 00 52 a2 87 e8 ec 9c 2e fe 0f 0b RSP: 0000:ffff8880658f7bd8 EFLAGS: 00010086 RAX: 000000000000004e RBX: ffffe8ffffc81ce8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815ab926 RDI: ffffed100cb1ef6d RBP: ffff8880658f7bf0 R08: 000000000000004e R09: ffffed1015d05011 R10: ffffed1015d05010 R11: ffff8880ae828087 R12: dead000000000200 R13: dead000000000100 R14: ffffea0001595f08 R15: ffffea0001595f08 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f265b8b7000 CR3: 000000008f67a000 CR4: 00000000001406f0 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] free_block+0xd8/0x250 mm/slab.c:3416 drain_array_locked+0x36/0x90 mm/slab.c:2201 drain_array+0x8c/0xb0 mm/slab.c:4026 cache_reap+0xf4/0x280 mm/slab.c:4067 process_one_work+0x98e/0x1790 kernel/workqueue.c:2259 worker_thread+0x98/0xe40 kernel/workqueue.c:2405 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ======================================================