kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 28409 Comm: syz-executor.4 Not tainted 4.14.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888088998080 task.stack: ffff888020140000
RIP: 0010:rdma_cap_ib_sa include/rdma/ib_verbs.h:2682 [inline]
RIP: 0010:rdma_resolve_route+0x11a/0x2c70 drivers/infiniband/core/cma.c:2680
RSP: 0018:ffff888020147a70 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 1ffff11004028f54 RCX: dffffc0000000000
RDX: 000000000000009e RSI: 0000000000000029 RDI: 0000000000000148
RBP: ffff888020147c10 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880951b04c0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880951b0678
FS:  00007fca93bb1700(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00e056000 CR3: 0000000087996000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ucma_resolve_route+0xab/0x100 drivers/infiniband/core/ucma.c:740
 ucma_write+0x206/0x2c0 drivers/infiniband/core/ucma.c:1672
 __vfs_write+0xe4/0x630 fs/read_write.c:480
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cba9
RSP: 002b:00007fca93bb0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000050dec0 RCX: 000000000045cba9
RDX: 0000000000000010 RSI: 0000000020001600 RDI: 0000000000000006
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000d1c R14: 00000000004d9150 R15: 00007fca93bb16d4
Code: 00 48 c1 e9 03 80 3c 01 00 0f 85 f5 24 00 00 48 b9 00 00 00 00 00 fc ff df 49 8b 04 24 48 8d b8 48 01 00 00 48 89 fe 48 c1 ee 03 <80> 3c 0e 00 0f 85 dc 24 00 00 45 0f b6 ee 49 c1 e5 04 4c 03 a8 
RIP: rdma_cap_ib_sa include/rdma/ib_verbs.h:2682 [inline] RSP: ffff888020147a70
RIP: rdma_resolve_route+0x11a/0x2c70 drivers/infiniband/core/cma.c:2680 RSP: ffff888020147a70
---[ end trace 27f24c45284ff800 ]---