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 kobject: 'gre0' (0000000050221316): kobject_uevent_env general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5585 Comm: syz-executor5 Not tainted 4.19.0-rc3-next-20180912+ #72 kobject: 'gre0' (0000000050221316): fill_kobj_path: path = '/devices/virtual/net/gre0' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'queues' (0000000032182526): kobject_add_internal: parent: 'gre0', set: '' 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 RSP: 0018:ffff880172b5f928 EFLAGS: 00010a02 kobject: 'queues' (0000000032182526): kobject_uevent_env RAX: dffffc0000000000 RBX: ffff8801c9d29700 RCX: ffffffff8160aca1 RDX: 18885efeba8a85ce RSI: ffffffff833deb15 RDI: c442f7f5d4542e72 RBP: ffff880172b5f948 R08: fffffbfff13555fd R09: fffffbfff13555fc R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7506580 R13: c442f7f5d4542e6a R14: ffff8801c9d29798 R15: ffff8801c9d29798 FS: 0000000001ed9940(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'queues' (0000000032182526): kobject_uevent_env: filter function caused the event to drop! CR2: 0000000000482e00 CR3: 0000000172a75000 CR4: 00000000001406e0 Call Trace: vfs_get_tree+0x1cb/0x5c0 fs/super.c:1787 mq_create_mount+0xe3/0x190 ipc/mqueue.c:415 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: 'rx-0' (00000000f5d61722): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000f5d61722): kobject_uevent_env kobject: 'rx-0' (00000000f5d61722): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' create_new_namespaces+0x376/0x900 kernel/nsproxy.c:87 kobject: 'tx-0' (000000008d31626b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000008d31626b): kobject_uevent_env unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:206 ksys_unshare+0x79c/0x10b0 kernel/fork.c:2535 kobject: 'tx-0' (000000008d31626b): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' kobject: 'lo' (00000000d1713b72): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'lo' (00000000d1713b72): kobject_uevent_env kobject: 'lo' (00000000d1713b72): fill_kobj_path: path = '/devices/virtual/net/lo' kobject: 'queues' (00000000982efbe7): kobject_add_internal: parent: 'lo', set: '' kobject: 'queues' (00000000982efbe7): kobject_uevent_env kobject: 'queues' (00000000982efbe7): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000aba11904): kobject_add_internal: parent: 'queues', set: 'queues' __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 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'rx-0' (00000000aba11904): kobject_uevent_env kobject: 'rx-0' (00000000aba11904): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'tx-0' (00000000f847e051): kobject_add_internal: parent: 'queues', set: 'queues' entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'tx-0' (00000000f847e051): kobject_uevent_env 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:00007ffe92333f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459d87 RDX: 0000000000000000 RSI: 00007ffe92333f30 RDI: 0000000008000000 RBP: 0000000000930b28 R08: 0000000000000000 R09: 0000000000000018 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 kobject: 'tx-0' (00000000f847e051): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' R13: 0000000000412cc0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 65d5af2fa32e603f ]--- kobject: 'gretap0' (000000000a676ed2): 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 RSP: 0018:ffff880172b5f928 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: ffff8801c9d29700 RCX: ffffffff8160aca1 RDX: 18885efeba8a85ce RSI: ffffffff833deb15 RDI: c442f7f5d4542e72 RBP: ffff880172b5f948 R08: fffffbfff13555fd R09: fffffbfff13555fc R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7506580 R13: c442f7f5d4542e6a R14: ffff8801c9d29798 R15: ffff8801c9d29798 FS: 0000000001ed9940(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 kobject: 'gretap0' (000000000a676ed2): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 IPVS: ftp: loaded support on port[0] = 21 CR2: 0000000000482e00 CR3: 0000000172a75000 CR4: 00000000001406e0 kobject: 'gretap0' (000000000a676ed2): fill_kobj_path: path = '/devices/virtual/net/gretap0'