kasan: CONFIG_KASAN_INLINE enabled RDS: rds_bind could not find a transport for 172.20.5.170, 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: 0 PID: 3858 Comm: syz-executor5 Not tainted 4.14.0+ #130 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c1238380 task.stack: ffff8801c1320000 RIP: 0010:__rds_rdma_map+0x133/0x1050 net/rds/rdma.c:191 RSP: 0018:ffff8801c1327a28 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8801c1327bd0 RCX: ffffffff84c4273d RDX: 0000000000000018 RSI: ffffc900031a9000 RDI: 00000000000000c0 RBP: ffff8801c1327b90 R08: ffffed0038264f96 R09: ffffed0038264f96 R10: 0000000000000000 R11: ffffed0038264f95 R12: 0000000000000000 R13: ffff8801c3524040 R14: 0000000000000000 R15: ffff8801c3524040 FS: 00007f631b121700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000207b9000 CR3: 00000001c1d88000 CR4: 00000000001406f0 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: 0033:0x4529d9 RSP: 002b:00007f631b120c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 00000000004529d9 RDX: 0000000000000007 RSI: 0000400000000114 RDI: 0000000000000014 RBP: 0000000000000086 R08: 00000000000000a0 R09: 0000000000000000 R10: 0000000020000ffc R11: 0000000000000212 R12: 00000000006ed1d8 R13: 00000000ffffffff R14: 00007f631b1216d4 R15: 0000000000000000 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: ffff8801c1327a28 ---[ end trace 1e78301f34ffd9f3 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..