IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 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: 6892 Comm: syz-executor310 Not tainted 4.14.150 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888087d90400 task.stack: ffff888081530000 RIP: 0010:addr_resolve+0x28c/0xa80 drivers/infiniband/core/addr.c:586 RSP: 0018:ffff888081537928 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11010fb218e RDX: 00000000000000a8 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffff888081537a20 R08: ffff888087d90400 R09: 0000000000000000 R10: 0000000000000000 R11: ffff888087d90400 R12: 00000000ffffff9d R13: ffff8880a1eda800 R14: ffff8880a62c65e0 R15: 0000000000000540 FS: 0000000002586880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 00000000873a6000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rdma_resolve_ip+0x3d9/0x660 drivers/infiniband/core/addr.c:710 rdma_resolve_addr+0x1f5/0x2520 drivers/infiniband/core/cma.c:2931 ucma_resolve_ip+0x104/0x190 drivers/infiniband/core/ucma.c:693 ucma_write+0x231/0x310 drivers/infiniband/core/ucma.c:1672 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x441d19 RSP: 002b:00007ffcaf728438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441d19 RDX: 0000000000000048 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 00007ffcaf728450 R08: 0000000001bbbbbb R09: 0000000001bbbbbb R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 R13: 00000000004032b0 R14: 0000000000000000 R15: 0000000000000000 Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f4 06 00 00 45 89 6e 64 e8 05 23 ef fc 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 c3 06 00 00 48 8b 83 40 05 00 00 65 ff 08 e8 RIP: addr_resolve+0x28c/0xa80 drivers/infiniband/core/addr.c:586 RSP: ffff888081537928 ---[ end trace 524d6d257cddee0a ]---