IPVS: ftp: loaded support on port[0] = 21
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
CPU: 0 PID: 9227 Comm: syz-executor138 Not tainted 5.2.0-rc5-next-20190621 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ovs_ct_limit_exit net/openvswitch/conntrack.c:1856 [inline]
RIP: 0010:ovs_ct_exit+0x1ac/0x4ec net/openvswitch/conntrack.c:2261
Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 3e 4b 38 fa 49 8d 44 24 50 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ee 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffff8880843efb10 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff110130a9558
RDX: 000000000000000a RSI: 1ffff110130a955f RDI: 0000000000000286
RBP: ffff8880843efb50 R08: ffff88809854a240 R09: 0000000000000002
R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000
R13: ffff888097e3c400 R14: ffff888098fa6480 R15: dffffc0000000000
FS:  00007f0c629f2700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004cc870 CR3: 00000000a48e4000 CR4: 00000000001406f0
Call Trace:
 ovs_exit_net+0x1f8/0xc30 net/openvswitch/datapath.c:2371
 ops_exit_list.isra.0+0xaa/0x150 net/core/net_namespace.c:165
 setup_net+0x518/0x870 net/core/net_namespace.c:350
 copy_net_ns+0x1df/0x340 net/core/net_namespace.c:456
 create_new_namespaces+0x400/0x7b0 kernel/nsproxy.c:103
 unshare_nsproxy_namespaces+0xc2/0x200 kernel/nsproxy.c:202
 ksys_unshare+0x444/0x980 kernel/fork.c:2828
 __do_sys_unshare kernel/fork.c:2896 [inline]
 __se_sys_unshare kernel/fork.c:2894 [inline]
 __x64_sys_unshare+0x31/0x40 kernel/fork.c:2894
 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4465f9
Code: e8 5c b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f0c629f1db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9
RDX: 0000000000402634 RSI: b2e140e2e0010c85 RDI: 000000006c060000
RBP: 00000000006dbc20 R08: 00007f0c629f2700 R09: 0000000000000000
R10: 00007f0c629f2700 R11: 0000000000000246 R12: 00000000006dbc2c
R13: 00007ffeec63f81f R14: 00007f0c629f29c0 R15: 0000000000000000
Modules linked in:
---[ end trace 81f4c9d42533a912 ]---
RIP: 0010:ovs_ct_limit_exit net/openvswitch/conntrack.c:1856 [inline]
RIP: 0010:ovs_ct_exit+0x1ac/0x4ec net/openvswitch/conntrack.c:2261
Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 3e 4b 38 fa 49 8d 44 24 50 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ee 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffff8880843efb10 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff110130a9558
RDX: 000000000000000a RSI: 1ffff110130a955f RDI: 0000000000000286
RBP: ffff8880843efb50 R08: ffff88809854a240 R09: 0000000000000002
R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000
R13: ffff888097e3c400 R14: ffff888098fa6480 R15: dffffc0000000000
FS:  00007f0c629f2700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004cc870 CR3: 00000000a48e4000 CR4: 00000000001406f0