kasan: CONFIG_KASAN_INLINE enabled IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN kobject: 'lo' (000000000757b40c): kobject_add_internal: parent: 'net', set: 'devices' CPU: 0 PID: 17210 Comm: kworker/0:6 Not tainted 4.20.0-rc6+ #233 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events smc_tcp_listen_work RIP: 0010:kernel_accept+0x34/0x310 net/socket.c:3242 Code: d6 41 55 49 89 fd 41 54 49 89 f4 53 48 83 ec 08 e8 b1 dc 5b fb 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 02 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b RSP: 0018:ffff8881970b75b0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8881bdc96b80 RCX: 1ffff11032264da9 RDX: 0000000000000004 RSI: ffffffff8623a7bf RDI: 0000000000000020 RBP: ffff8881970b75e0 R08: ffff888191326d48 R09: 0000000000000006 R10: 0000000000000000 R11: ffff888191326480 R12: ffff8881970b7690 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881c1365b38 FS: 0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d9530 CR3: 000000019af7f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'lo' (000000000757b40c): kobject_uevent_env DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'lo' (000000000757b40c): fill_kobj_path: path = '/devices/virtual/net/lo' Call Trace: smc_clcsock_accept net/smc/af_smc.c:837 [inline] smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1305 kobject: 'queues' (000000006a0f9de2): kobject_add_internal: parent: 'lo', set: '' process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 kobject: 'queues' (000000006a0f9de2): kobject_uevent_env kobject: 'queues' (000000006a0f9de2): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000004eb57030): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000004eb57030): kobject_uevent_env kobject: 'rx-0' (000000004eb57030): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'tx-0' (0000000074385d5e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000074385d5e): kobject_uevent_env kobject: 'tx-0' (0000000074385d5e): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' kobject: 'tunl0' (000000007ee95abc): kobject_add_internal: parent: 'net', set: 'devices' worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kobject: 'tunl0' (000000007ee95abc): kobject_uevent_env kobject: 'tunl0' (000000007ee95abc): fill_kobj_path: path = '/devices/virtual/net/tunl0' kobject: 'queues' (00000000754a0d7a): kobject_add_internal: parent: 'tunl0', set: '' kobject: 'queues' (00000000754a0d7a): kobject_uevent_env kobject: 'queues' (00000000754a0d7a): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000000c72579a): kobject_add_internal: parent: 'queues', set: 'queues' kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 kobject: 'rx-0' (000000000c72579a): kobject_uevent_env Modules linked in: ---[ end trace 34e7b45cb0f4e07a ]--- kobject: 'rx-0' (000000000c72579a): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' kobject: 'loop1' (00000000f2e10dcc): kobject_uevent_env kobject: 'tx-0' (00000000dbd099c0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (00000000f2e10dcc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000dbd099c0): kobject_uevent_env RIP: 0010:kernel_accept+0x34/0x310 net/socket.c:3242 kobject: 'tx-0' (00000000dbd099c0): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' Code: d6 41 55 49 89 fd 41 54 49 89 f4 53 48 83 ec 08 e8 b1 dc 5b fb 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 02 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b kobject: 'lo' (00000000118d1a94): kobject_add_internal: parent: 'net', set: 'devices' RSP: 0018:ffff8881970b75b0 EFLAGS: 00010202 kobject: 'lo' (00000000118d1a94): kobject_uevent_env RAX: dffffc0000000000 RBX: ffff8881bdc96b80 RCX: 1ffff11032264da9 kobject: 'lo' (00000000118d1a94): fill_kobj_path: path = '/devices/virtual/net/lo' kobject: 'loop0' (00000000356897ba): kobject_uevent_env kobject: 'queues' (0000000030dba185): kobject_add_internal: parent: 'lo', set: '' kobject: 'loop0' (00000000356897ba): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (0000000030dba185): kobject_uevent_env RDX: 0000000000000004 RSI: ffffffff8623a7bf RDI: 0000000000000020 kobject: 'queues' (0000000030dba185): kobject_uevent_env: filter function caused the event to drop! RBP: ffff8881970b75e0 R08: ffff888191326d48 R09: 0000000000000006 kobject: 'rx-0' (0000000028ed0687): kobject_add_internal: parent: 'queues', set: 'queues' R10: 0000000000000000 R11: ffff888191326480 R12: ffff8881970b7690 kobject: 'rx-0' (0000000028ed0687): kobject_uevent_env R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881c1365b38 kobject: 'rx-0' (0000000028ed0687): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' FS: 0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'tx-0' (0000000036d3e4dd): kobject_add_internal: parent: 'queues', set: 'queues' CR2: 0000000000930004 CR3: 00000001b4aac000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 IPVS: ftp: loaded support on port[0] = 21