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: 17483 Comm: syz-executor2 Not tainted 4.16.0-rc7+ #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rdma_cap_ib_cm include/rdma/ib_verbs.h:2661 [inline]
RIP: 0010:rdma_init_qp_attr+0x8b/0x720 drivers/infiniband/core/cma.c:1025
RSP: 0018:ffff88016838f840 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8801810b1b40 RCX: ffffffff84b3b47f
RDX: 0000000000000029 RSI: ffffc90006327000 RDI: 0000000000000148
RBP: ffff88016838f880 R08: ffffed002d071f4e R09: ffff88016838f9cc
R10: 0000000000000000 R11: ffffed002d071f4d R12: ffff88016838f9c8
R13: ffff88016838f908 R14: 0000000000000000 R15: ffff88016838f8c8
FS:  00007fe5dd69f700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32a8d1ddb8 CR3: 0000000172840003 CR4: 00000000001606f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 ucma_init_qp_attr+0x251/0x440 drivers/infiniband/core/ucma.c:1172
 ucma_write+0x2d6/0x3d0 drivers/infiniband/core/ucma.c:1649
 __vfs_write+0xef/0x970 fs/read_write.c:480
 vfs_write+0x189/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x454879
RSP: 002b:00007fe5dd69ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe5dd69f6d4 RCX: 0000000000454879
RDX: 0000000000000018 RSI: 0000000020002880 RDI: 0000000000000014
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000006a8 R14: 00000000006fc060 R15: 0000000000000000
Code: 00 00 00 fc ff df 80 3c 02 00 0f 85 8c 06 00 00 4c 8b 33 48 b8 00 00 00 00 00 fc ff df 49 8d be 48 01 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5d 06 00 00 44 0f b6 7d d4 48 b8 00 00 00 00 
RIP: rdma_cap_ib_cm include/rdma/ib_verbs.h:2661 [inline] RSP: ffff88016838f840
RIP: rdma_init_qp_attr+0x8b/0x720 drivers/infiniband/core/cma.c:1025 RSP: ffff88016838f840
---[ end trace dc4f7efc7b92d43c ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..