invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 20538 Comm: kworker/u4:2 Not tainted 4.14.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net task: ffff8880896ea200 task.stack: ffff8880660c0000 RIP: 0010:rxrpc_destroy_all_locals+0xe6/0xf2 net/rxrpc/local_object.c:405 RSP: 0018:ffff8880660c7bf8 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: ffff8880709a8fc0 RCX: fffffbfff14b0f60 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000282 RBP: ffff8880709a8fe0 R08: ffff8880896ea200 R09: dffffc0000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880709a8fe0 R13: ffff8880709a8ff0 R14: dffffc0000000000 R15: fffffbfff10fd24f FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe2b481c518 CR3: 0000000094117000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxrpc_exit_net+0x158/0x260 net/rxrpc/net_ns.c:78 ops_exit_list.isra.0+0x9d/0x140 net/core/net_namespace.c:142 cleanup_net+0x3bb/0x820 net/core/net_namespace.c:484 process_one_work+0x813/0x1540 kernel/workqueue.c:2116 worker_thread+0x5d1/0x1070 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: 00 00 00 00 00 fc ff df 48 83 eb 20 e8 74 ba 9e fb 4c 8d 63 20 4c 39 e5 0f 85 52 00 00 00 e8 62 ba 9e fb 4c 89 ef e8 8a 10 84 00 <0f> 0b 48 89 ef e8 10 0c c8 fb eb c0 e8 49 ba 9e fb 48 c7 c7 c0 RIP: rxrpc_destroy_all_locals+0xe6/0xf2 net/rxrpc/local_object.c:405 RSP: ffff8880660c7bf8 ---[ end trace 178e4e266f94e038 ]---