kasan: CONFIG_KASAN_INLINE enabled IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready kasan: GPF could be caused by NULL-ptr deref or user memory access IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready general protection fault: 0000 [#1] PREEMPT SMP KASAN IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready Modules linked in: bridge0: port 2(bridge_slave_1) entered blocking state CPU: 0 PID: 6428 Comm: syz-executor.0 Not tainted 4.14.228-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8881e7ab6540 task.stack: ffff8881d1bc8000 RIP: 0010:addr_resolve+0x26b/0xd20 drivers/infiniband/core/addr.c:585 RSP: 0018:ffff8881d1bcf7d8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 1ffff1103a379f02 RCX: 0000000000000540 RDX: 00000000ffffff9d RSI: 00000000000000a8 RDI: 0000000000000286 RBP: ffff8881d1bcf8f8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8881e7ab6540 R12: ffff8881e6d1d384 R13: 0000000000000040 R14: ffff8881e6d1d320 R15: 0000000000000000 FS: 00007f55d9992700(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 bridge0: port 2(bridge_slave_1) entered forwarding state CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fa764c3140 CR3: 00000001e9ae6005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready rdma_resolve_ip+0x3cf/0x660 drivers/infiniband/core/addr.c:709 rdma_resolve_addr+0x21e/0x1f90 drivers/infiniband/core/cma.c:2939 ucma_resolve_ip+0x115/0x150 drivers/infiniband/core/ucma.c:693 ucma_write+0x1f1/0x2c0 drivers/infiniband/core/ucma.c:1672 __vfs_write+0xdb/0x840 fs/read_write.c:480 vfs_write+0x150/0x4f0 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0x100/0x250 fs/read_write.c:582 8021q: adding VLAN 0 to HW filter on device team0 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x461989 RSP: 002b:00007f55d99921a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461989 RDX: 0000000000000048 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004fa9b8 R14: 00000000004bd9a0 R15: 00007f55d99926bc Code: 89 e0 83 e0 07 83 c0 03 40 38 f0 7c 09 40 84 8021q: adding VLAN 0 to HW filter on device bond0 f6 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready 0f 85 f9 07 00 00 45 89 6e 64 48 b8 00 00 00 00 00 fc ff df 48 89 ce 48 c1 ee 03 <80> 3c 06 00 0f 85 9d 07 00 00 49 8b 87 40 05 00 00 65 ff 08 48 RIP: addr_resolve+0x26b/0xd20 drivers/infiniband/core/addr.c:585 RSP: ffff8881d1bcf7d8 ---[ end trace f27dafbbd48aa48f ]---