kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 3985 Comm: kworker/0:2 Not tainted 4.4.132-g4f75c34 #43 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events xfrm_hash_rebuild task: ffff8800baa93000 task.stack: ffff8801ba0a8000 RIP: 0010:[] [] xfrm_hash_rebuild+0x546/0xae0 net/xfrm/xfrm_policy.c:634 RSP: 0018:ffff8801ba0afbb8 EFLAGS: 00010202 RAX: 0f4d84040000001c RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 7a6c202000000007 RSI: ffffffff833c5664 RDI: 7a6c2020000000e3 RBP: ffff8801ba0afc40 R08: ffffffff85402880 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8800baa93000 R12: ffff8801d0e3b300 R13: ffff8800a62fef38 R14: 0000000000000000 R15: ffff8800a62fef28 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff17772edc CR3: 00000001ca5c5000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff81181d5f ffff8801ba0afc00 ffffed0014c5fde9 ffff8800a62fef4c ffff8800a62ff2f8 ffff8800a62fef7a 1ffff10014c5fe6c ffff8800a62ff020 ffff8800a62feef8 ffff8800a62fd940 7a6c202000000007 ffff8801d0e3b308 Call Trace: [] process_one_work+0x7df/0x1600 kernel/workqueue.c:2064 [] worker_thread+0xd9/0xfc0 kernel/workqueue.c:2196 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510 Code: 48 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 a8 03 00 00 48 8d ba dc 00 00 00 45 8b b4 24 e4 00 00 00 48 89 f8 48 c1 e8 03 <0f> b6 0c 18 48 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 RIP [] xfrm_hash_rebuild+0x546/0xae0 net/xfrm/xfrm_policy.c:634 RSP ---[ end trace 6cedfb6f83fb30eb ]---