IPVS: ftp: loaded support on port[0] = 21 ------------[ cut here ]------------ kobject: (000000003a80df37): attempted to be registered with empty name! WARNING: CPU: 1 PID: 6717 at lib/kobject.c:234 kobject_add_internal+0x7ac/0x9a0 lib/kobject.c:234 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6717 Comm: syz-executor.2 Not tainted 5.6.0-rc2-next-20200224-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x3e kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] fixup_bug arch/x86/kernel/traps.c:170 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:kobject_add_internal+0x7ac/0x9a0 lib/kobject.c:234 Code: 7a b4 c5 f9 e9 f0 f8 ff ff 4c 89 f7 e8 cd b4 c5 f9 e9 95 f9 ff ff e8 83 87 86 f9 4c 89 e6 48 c7 c7 20 e9 1a 89 e8 a3 a7 56 f9 <0f> 0b 41 bd ea ff ff ff e9 52 ff ff ff e8 62 87 86 f9 0f 0b e8 5b RSP: 0018:ffffc90005e6f908 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815ee766 RDI: fffff52000bcdf13 RBP: ffffc90005e6f960 R08: ffff8880455f4580 R09: ffffed1015d245c9 R10: ffffed1015d245c8 R11: ffff8880ae922e43 R12: ffff88809739e000 R13: 0000000000000000 R14: ffff8880a6864000 R15: 0000000000000001 kobject_add_varg lib/kobject.c:390 [inline] kobject_add+0x150/0x1c0 lib/kobject.c:442 device_add+0x3be/0x1d00 drivers/base/core.c:2412 add_one_compat_dev drivers/infiniband/core/device.c:901 [inline] add_one_compat_dev+0x46a/0x7e0 drivers/infiniband/core/device.c:857 rdma_dev_init_net+0x2eb/0x490 drivers/infiniband/core/device.c:1120 ops_init+0xb3/0x420 net/core/net_namespace.c:137 setup_net+0x2d5/0x8b0 net/core/net_namespace.c:327 copy_net_ns+0x29e/0x5a0 net/core/net_namespace.c:468 create_new_namespaces+0x403/0xb50 kernel/nsproxy.c:108 unshare_nsproxy_namespaces+0xc2/0x200 kernel/nsproxy.c:229 ksys_unshare+0x444/0x980 kernel/fork.c:2964 __do_sys_unshare kernel/fork.c:3032 [inline] __se_sys_unshare kernel/fork.c:3030 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:3030 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c449 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb962587c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007fb9625886d4 RCX: 000000000045c449 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040040400 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000c3e R14: 00000000004ce216 R15: 000000000076bf2c Kernel Offset: disabled Rebooting in 86400 seconds..