kasan: CONFIG_KASAN_INLINE enabled 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: 801 Comm: syz-executor7 Not tainted 4.16.0+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rds_ib_get_mr+0x60/0x240 net/rds/ib_rdma.c:544 RSP: 0018:ffff880193377868 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8801ca940980 RCX: ffffc900080dd000 RDX: 000000000000000d RSI: ffffffff86cfa922 RDI: 0000000000000068 RBP: ffff880193377898 R08: ffff8801b1296380 R09: ffff8801d726d380 R10: ffffed003ae4da73 R11: ffff8801d726d39f R12: ffff8801d726d380 R13: 0000000000000001 R14: ffff8801ad01661c R15: 0000000000000000 FS: 00007fd2ff053700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d3dc253040 CR3: 00000001d9126000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __rds_rdma_map+0x83d/0x11a0 net/rds/rdma.c:271 rds_get_mr_for_dest+0x1d7/0x2a0 net/rds/rdma.c:357 rds_setsockopt+0x6a3/0xae0 net/rds/af_rds.c:350 __sys_setsockopt+0x1bd/0x390 net/socket.c:1903 SYSC_setsockopt net/socket.c:1914 [inline] SyS_setsockopt+0x34/0x50 net/socket.c:1911 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x455259 RSP: 002b:00007fd2ff052c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fd2ff0536d4 RCX: 0000000000455259 RDX: 0000000000000007 RSI: 0000000000000114 RDI: 0000000000000014 RBP: 000000000072c010 R08: 00000000000000a0 R09: 0000000000000000 R10: 00000000200006c0 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000528 R14: 00000000006fac60 R15: 0000000000000002 Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 f0 01 00 00 4c 8b bb 88 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7f 68 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c0 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d RIP: rds_ib_get_mr+0x60/0x240 net/rds/ib_rdma.c:544 RSP: ffff880193377868 ---[ end trace 2f8a2cfab12830c9 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..