rxrpc: Assertion failed ------------[ cut here ]------------ kernel BUG at net/rxrpc/conn_object.c:481! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 112 Comm: kworker/u4:3 Not tainted 5.9.0-rc4-next-20200911-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:rxrpc_destroy_all_connections.cold+0x11/0x13 net/rxrpc/conn_object.c:481 Code: c0 48 c7 c1 80 40 35 89 48 89 f2 48 c7 c7 00 3d 35 89 e8 e3 30 db ff 0f 0b e8 b7 78 74 f9 48 c7 c7 00 40 35 89 e8 d0 30 db ff <0f> 0b e8 a4 78 74 f9 48 c7 c7 c0 44 35 89 e8 bd 30 db ff 0f 0b e8 RSP: 0018:ffffc900012c7b28 EFLAGS: 00010282 RAX: 0000000000000017 RBX: ffff888054200000 RCX: 0000000000000000 RDX: ffff8880a8d1c580 RSI: ffffffff815c0ec7 RDI: fffff52000258f57 RBP: ffff888054200064 R08: 0000000000000017 R09: ffff8880ae6318e7 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888054200068 R13: ffff888054200078 R14: ffff888054200078 R15: ffff8880541ffeb8 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f23c32ac018 CR3: 000000008c471000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxrpc_exit_net+0x1a4/0x2e0 net/rxrpc/net_ns.c:119 ops_exit_list+0xb0/0x160 net/core/net_namespace.c:186 cleanup_net+0x4ea/0xb10 net/core/net_namespace.c:603 process_one_work+0x933/0x15a0 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3af/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Modules linked in: ---[ end trace 6c7be82fff50e8a6 ]--- RIP: 0010:rxrpc_destroy_all_connections.cold+0x11/0x13 net/rxrpc/conn_object.c:481 Code: c0 48 c7 c1 80 40 35 89 48 89 f2 48 c7 c7 00 3d 35 89 e8 e3 30 db ff 0f 0b e8 b7 78 74 f9 48 c7 c7 00 40 35 89 e8 d0 30 db ff <0f> 0b e8 a4 78 74 f9 48 c7 c7 c0 44 35 89 e8 bd 30 db ff 0f 0b e8 RSP: 0018:ffffc900012c7b28 EFLAGS: 00010282 RAX: 0000000000000017 RBX: ffff888054200000 RCX: 0000000000000000 RDX: ffff8880a8d1c580 RSI: ffffffff815c0ec7 RDI: fffff52000258f57 RBP: ffff888054200064 R08: 0000000000000017 R09: ffff8880ae6318e7 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888054200068 R13: ffff888054200078 R14: ffff888054200078 R15: ffff8880541ffeb8 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa0014a2000 CR3: 0000000093553000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400