netlink: 17 bytes leftover after parsing attributes in process `syz-executor2'.
Dead loop on virtual device ip6_vti0, fix it urgently!
Dead loop on virtual device ip6_vti0, fix it urgently!
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: 0 PID: 8527 Comm: syz-executor4 Not tainted 4.17.0-rc2+ #28
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:ffff88019a577888 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8801cabb1600 RCX: ffffc900068dd000
RDX: 000000000000000d RSI: ffffffff86f6c0d2 RDI: 0000000000000068
RBP: ffff88019a5778b8 R08: ffff8801c6b88680 R09: ffff8801c41c9280
R10: ffffed0038839257 R11: ffff8801c41c92bf R12: ffff8801c41c9280
R13: 0000000000000002 R14: ffff8801c411659c R15: 0000000000000000
FS:  00007f8e50c01700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f69314ea000 CR3: 00000001af83a000 CR4: 00000000001406f0
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
 __do_sys_setsockopt net/socket.c:1914 [inline]
 __se_sys_setsockopt net/socket.c:1911 [inline]
 __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1911
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007f8e50c00c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f8e50c016d4 RCX: 0000000000455979
RDX: 0000000000000007 RSI: 0000000000000114 RDI: 0000000000000016
RBP: 000000000072bf50 R08: 00000000000000a0 R09: 0000000000000000
R10: 0000000020001600 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000576 R14: 00000000006fc3b0 R15: 0000000000000001
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: ffff88019a577888
---[ end trace 43b04edc0586bd3e ]---