general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 20568 Comm: syz-executor.4 Not tainted 4.14.215-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888053c06600 task.stack: ffff88805c220000
RIP: 0010:dev_put include/linux/netdevice.h:3370 [inline]
RIP: 0010:addr_resolve+0x263/0xa10 drivers/infiniband/core/addr.c:585
RSP: 0018:ffff88805c227860 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88809b2c45a0 RCX: ffffc9000ad0a000
RDX: 00000000000000a8 RSI: ffffffff855e9db0 RDI: 0000000000000286
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffff888053c06600 R12: 00000000ffffff9d
R13: ffff888091643650 R14: ffff8880976ce140 R15: ffff88809b2c4604
FS:  00007ff647584700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f623fab8db8 CR3: 00000000b4269000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rdma_resolve_ip+0x40d/0x6b0 drivers/infiniband/core/addr.c:709
 rdma_resolve_addr+0x2bc/0x23b0 drivers/infiniband/core/cma.c:2939
 ucma_resolve_addr+0x12c/0x1d0 drivers/infiniband/core/ucma.c:719
 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: 0033:0x45e219
RSP: 002b:00007ff647583c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219
RDX: 0000000000000013 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffd27763d0f R14: 00007ff6475849c0 R15: 000000000119bf8c
Code: 83 c0 03 38 d0 7c 08 84 d2 0f 85 ad 06 00 00 44 89 6b 64 e8 e0 a3 f8 fb 48 8b 54 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 78 06 00 00 48 8b 85 40 05 00 00 65 ff 08 e8 
RIP: dev_put include/linux/netdevice.h:3370 [inline] RSP: ffff88805c227860
RIP: addr_resolve+0x263/0xa10 drivers/infiniband/core/addr.c:585 RSP: ffff88805c227860
---[ end trace 7b90ab51799e1554 ]---