IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 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: 1 PID: 5580 Comm: syz-executor3 Not tainted 4.19.0-rc3-next-20180912+ #72 kobject: 'tunl0' (00000000d6132101): kobject_add_internal: parent: 'net', set: 'devices' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'tunl0' (00000000d6132101): kobject_uevent_env RIP: 0010:mqueue_get_tree+0xba/0x2e0 ipc/mqueue.c:362 Code: 4c 8d b3 98 00 00 00 4d 85 ed 0f 84 d1 00 00 00 e8 6b 44 3f fe 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 e3 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b kobject: 'tunl0' (00000000d6132101): fill_kobj_path: path = '/devices/virtual/net/tunl0' RSP: 0018:ffff88015e2e7928 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8801cb6d0e00 RCX: ffffffff8160aca1 RDX: 01d2f5b5adb5cd2b RSI: ffffffff833deb15 RDI: 0e97adad6dae6959 RBP: ffff88015e2e7948 R08: fffffbfff13555fd R09: fffffbfff13555fc R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7a7ee40 R13: 0e97adad6dae6951 R14: ffff8801cb6d0e98 R15: ffff8801cb6d0e98 FS: 00000000014fd940(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 kobject: 'queues' (00000000b7fe8287): kobject_add_internal: parent: 'tunl0', set: '' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000482e00 CR3: 000000015e18e000 CR4: 00000000001406e0 Call Trace: vfs_get_tree+0x1cb/0x5c0 fs/super.c:1787 mq_create_mount+0xe3/0x190 ipc/mqueue.c:415 kobject: 'queues' (00000000b7fe8287): kobject_uevent_env mq_init_ns+0x15a/0x210 ipc/mqueue.c:1621 create_ipc_ns ipc/namespace.c:58 [inline] copy_ipcs+0x3d2/0x580 ipc/namespace.c:84 kobject: 'queues' (00000000b7fe8287): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000a011c8bc): kobject_add_internal: parent: 'queues', set: 'queues' create_new_namespaces+0x376/0x900 kernel/nsproxy.c:87 kobject: 'rx-0' (00000000a011c8bc): kobject_uevent_env kobject: 'rx-0' (00000000a011c8bc): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:206 ksys_unshare+0x79c/0x10b0 kernel/fork.c:2535 kobject: 'tx-0' (0000000058d64290): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000058d64290): kobject_uevent_env kobject: 'tx-0' (0000000058d64290): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' kobject: 'gre0' (0000000052f4fff2): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gre0' (0000000052f4fff2): kobject_uevent_env kobject: 'gre0' (0000000052f4fff2): fill_kobj_path: path = '/devices/virtual/net/gre0' __do_sys_unshare kernel/fork.c:2603 [inline] __se_sys_unshare kernel/fork.c:2601 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:2601 kobject: 'queues' (00000000ca5ed072): kobject_add_internal: parent: 'gre0', set: '' do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'queues' (00000000ca5ed072): kobject_uevent_env kobject: 'queues' (00000000ca5ed072): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000f8543a3b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000f8543a3b): kobject_uevent_env kobject: 'rx-0' (00000000f8543a3b): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459d87 Code: 00 00 00 b8 63 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 3d 8a fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 1d 8a fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff10eb7b28 EFLAGS: 00000246 kobject: 'tx-0' (000000000dedb7ef): kobject_add_internal: parent: 'queues', set: 'queues' ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459d87 RDX: 0000000000000000 RSI: 00007fff10eb7b30 RDI: 0000000008000000 RBP: 0000000000930b28 R08: 0000000000000000 R09: 0000000000000018 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 R13: 0000000000412cc0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: kobject: 'tx-0' (000000000dedb7ef): kobject_uevent_env kobject: 'tx-0' (000000000dedb7ef): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' ---[ end trace df5dc19b8eb78afe ]--- kobject: 'gretap0' (000000002f4b9234): kobject_add_internal: parent: 'net', set: 'devices' RIP: 0010:mqueue_get_tree+0xba/0x2e0 ipc/mqueue.c:362 Code: 4c 8d b3 98 00 00 00 4d 85 ed 0f 84 d1 00 00 00 e8 6b 44 3f fe 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 e3 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b kobject: 'gretap0' (000000002f4b9234): kobject_uevent_env RSP: 0018:ffff88015e2e7928 EFLAGS: 00010206 kobject: 'gretap0' (000000002f4b9234): fill_kobj_path: path = '/devices/virtual/net/gretap0' RAX: dffffc0000000000 RBX: ffff8801cb6d0e00 RCX: ffffffff8160aca1 RDX: 01d2f5b5adb5cd2b RSI: ffffffff833deb15 RDI: 0e97adad6dae6959 RBP: ffff88015e2e7948 R08: fffffbfff13555fd R09: fffffbfff13555fc R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7a7ee40 kobject: 'queues' (00000000c9caf628): kobject_add_internal: parent: 'gretap0', set: '' R13: 0e97adad6dae6951 R14: ffff8801cb6d0e98 R15: ffff8801cb6d0e98 kobject: 'queues' (00000000c9caf628): kobject_uevent_env FS: 00000000014fd940(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'queues' (00000000c9caf628): kobject_uevent_env: filter function caused the event to drop! CR2: 0000000000482e00 CR3: 000000015e18e000 CR4: 00000000001406e0