RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? kasan: CONFIG_KASAN_INLINE enabled RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 13762 Comm: syz-executor7 Not tainted 4.14.0+ #127 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c3a04140 task.stack: ffff880196f20000 RIP: 0010:__rds_rdma_map+0x133/0x1050 net/rds/rdma.c:191 RSP: 0018:ffff880196f27a28 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff880196f27bd0 RCX: ffffffff84c0ad0d RDX: 0000000000000018 RSI: ffffc90001f45000 RDI: 00000000000000c0 RBP: ffff880196f27b90 R08: ffffed0032de4f96 R09: ffffed0032de4f96 R10: 0000000000000000 R11: ffffed0032de4f95 R12: 0000000000000000 R13: ffff8801c6322040 R14: 0000000000000000 R15: ffff8801c6322040 FS: 00007fdbe995e700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020600000 CR3: 00000001a0d68000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rds_get_mr_for_dest+0x1bb/0x290 net/rds/rdma.c:357 rds_setsockopt+0x6b9/0x970 net/rds/af_rds.c:347 SYSC_setsockopt net/socket.c:1851 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1830 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007fdbe995dbe8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452879 RDX: 0000000000000007 RSI: 0000400000000114 RDI: 0000000000000014 RBP: 0000000000000086 R08: 00000000000000a0 R09: 0000000000000000 R10: 0000000020000ffc R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a6f7ff R14: 00007fdbe995e9c0 R15: 0000000000000008 Code: 57 0d 00 00 48 8b 85 f0 fe ff ff 4c 8b a0 c0 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 c0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 6a 0e 00 00 49 83 bc 24 c0 00 00 00 00 0f 84 RIP: __rds_rdma_map+0x133/0x1050 net/rds/rdma.c:191 RSP: ffff880196f27a28 ---[ end trace b5516429721e78a5 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..