random: sshd: uninitialized urandom read (32 bytes read) 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 IPVS: ftp: loaded support on port[0] = 21 general protection fault: 0000 [#1] PREEMPT SMP KASAN IPVS: ftp: loaded support on port[0] = 21 CPU: 0 PID: 5584 Comm: syz-executor919 Not tainted 4.19.0-rc3-next-20180912+ #72 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 IPVS: ftp: loaded support on port[0] = 21 RSP: 0018:ffff8801c3fa7928 EFLAGS: 00010206 IPVS: ftp: loaded support on port[0] = 21 RAX: dffffc0000000000 RBX: ffff8801ccffa180 RCX: ffffffff8160aca1 RDX: 01ecd82e81ecc1bb RSI: ffffffff833deb15 RDI: 0f66c1740f660ddb RBP: ffff8801c3fa7948 R08: fffffbfff13555fd R09: fffffbfff13555fc R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7a3ef80 R13: 0f66c1740f660dd3 R14: ffff8801ccffa218 R15: ffff8801ccffa218 kobject: 'lo' (00000000c46b49c8): kobject_add_internal: parent: 'net', set: 'devices' FS: 0000000000ce3940(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 kobject: 'lo' (00000000c46b49c8): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'lo' (00000000c46b49c8): fill_kobj_path: path = '/devices/virtual/net/lo' CR2: 0000000000472000 CR3: 00000001d8fc7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_get_tree+0x1cb/0x5c0 fs/super.c:1787 mq_create_mount+0xe3/0x190 ipc/mqueue.c:415 kobject: 'queues' (00000000394fc68d): kobject_add_internal: parent: 'lo', set: '' mq_init_ns+0x15a/0x210 ipc/mqueue.c:1621 kobject: 'queues' (00000000394fc68d): kobject_uevent_env create_ipc_ns ipc/namespace.c:58 [inline] copy_ipcs+0x3d2/0x580 ipc/namespace.c:84 kobject: 'queues' (00000000394fc68d): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000004cac2e9): kobject_add_internal: parent: 'queues', set: 'queues' create_new_namespaces+0x376/0x900 kernel/nsproxy.c:87 unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:206 kobject: 'rx-0' (0000000004cac2e9): kobject_uevent_env ksys_unshare+0x79c/0x10b0 kernel/fork.c:2535 kobject: 'rx-0' (0000000004cac2e9): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'tx-0' (0000000033316a33): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000033316a33): kobject_uevent_env kobject: 'tx-0' (0000000033316a33): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' __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: 'lo' (0000000094c45171): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'lo' (0000000094c45171): kobject_uevent_env kobject: 'lo' (0000000094c45171): fill_kobj_path: path = '/devices/virtual/net/lo' kobject: 'queues' (00000000d66cc4e2): kobject_add_internal: parent: 'lo', set: '' entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'queues' (00000000d66cc4e2): kobject_uevent_env RIP: 0033:0x449617 kobject: 'queues' (00000000d66cc4e2): kobject_uevent_env: filter function caused the event to drop! Code: 00 00 00 b8 63 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd dd 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 ad dd fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'rx-0' (00000000e9f80833): kobject_add_internal: parent: 'queues', set: 'queues' RSP: 002b:00007fffe7366d08 EFLAGS: 00000217 kobject: 'rx-0' (00000000e9f80833): kobject_uevent_env ORIG_RAX: 0000000000000110 kobject: 'rx-0' (00000000e9f80833): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' RAX: ffffffffffffffda RBX: 00007fffe7366d20 RCX: 0000000000449617 RDX: 0000000000000000 RSI: 00007fffe7366d10 RDI: 0000000008000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000ce3940 R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000407850 R13: 00000000004078e0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace acaf1a269173e4a1 ]--- kobject: 'tx-0' (000000005bb78546): kobject_add_internal: parent: 'queues', set: 'queues' RIP: 0010:mqueue_get_tree+0xba/0x2e0 ipc/mqueue.c:362 kobject: 'tx-0' (000000005bb78546): kobject_uevent_env 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:ffff8801c3fa7928 EFLAGS: 00010206 kobject: 'tx-0' (000000005bb78546): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' kobject: 'lo' (00000000f003e75b): kobject_add_internal: parent: 'net', set: 'devices' RAX: dffffc0000000000 RBX: ffff8801ccffa180 RCX: ffffffff8160aca1 kobject: 'lo' (00000000f003e75b): kobject_uevent_env RDX: 01ecd82e81ecc1bb RSI: ffffffff833deb15 RDI: 0f66c1740f660ddb kobject: 'lo' (00000000f003e75b): fill_kobj_path: path = '/devices/virtual/net/lo' RBP: ffff8801c3fa7948 R08: fffffbfff13555fd R09: fffffbfff13555fc R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7a3ef80 R13: 0f66c1740f660dd3 R14: ffff8801ccffa218 R15: ffff8801ccffa218 FS: 0000000000ce3940(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 kobject: 'queues' (00000000255a8195): kobject_add_internal: parent: 'lo', set: '' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'queues' (00000000255a8195): kobject_uevent_env CR2: 0000000000472000 CR3: 00000001d8fc7000 CR4: 00000000001406f0 kobject: 'queues' (00000000255a8195): kobject_uevent_env: filter function caused the event to drop! DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400