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: 17 Comm: kworker/1:0 Not tainted 4.19.0+ #93 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events smc_tcp_listen_work RIP: 0010:inet_accept+0x106/0x9e0 net/ipv4/af_inet.c:734 Code: 09 80 fa 03 0f 8e 54 07 00 00 41 c7 86 40 ff ff ff ea ff ff ff 48 8d 78 28 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 56 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8801d9b2f478 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000005 RDX: dffffc0000000000 RSI: ffffffff86a78843 RDI: 0000000000000028 RBP: ffff8801d9b2f5a0 R08: ffff8801d9b20480 R09: ffffed002fa5856f R10: ffffed002fa5856f R11: ffff88017d2c2b7b R12: ffff88017d2c2ac0 R13: ffff8801d9b2f4b8 R14: ffff8801d9b2f578 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000707158 CR3: 00000001c28c1000 CR4: 00000000001406e0 Call Trace: kernel_accept+0x136/0x310 net/socket.c:3250 smc_clcsock_accept net/smc/af_smc.c:834 [inline] smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1302 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: kobject: 'loop4' (00000000d2d77c78): kobject_uevent_env IPVS: ftp: loaded support on port[0] = 21 kobject: 'loop4' (00000000d2d77c78): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'lo' (00000000392f9e55): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop0' (0000000072b17e00): kobject_uevent_env kobject: 'lo' (00000000392f9e55): kobject_uevent_env kobject: 'loop0' (0000000072b17e00): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'lo' (00000000392f9e55): fill_kobj_path: path = '/devices/virtual/net/lo' ---[ end trace ed978596a55eb915 ]--- RIP: 0010:inet_accept+0x106/0x9e0 net/ipv4/af_inet.c:734 Code: 09 80 fa 03 0f 8e 54 07 00 00 41 c7 86 40 ff ff ff ea ff ff ff 48 8d 78 28 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 56 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b kobject: 'queues' (00000000fc8f3ccd): kobject_add_internal: parent: 'lo', set: '' kobject: 'queues' (00000000fc8f3ccd): kobject_uevent_env RSP: 0018:ffff8801d9b2f478 EFLAGS: 00010206 kobject: 'queues' (00000000fc8f3ccd): kobject_uevent_env: filter function caused the event to drop! RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000005 kobject: 'rx-0' (000000008185365f): kobject_add_internal: parent: 'queues', set: 'queues' RDX: dffffc0000000000 RSI: ffffffff86a78843 RDI: 0000000000000028 kobject: 'rx-0' (000000008185365f): kobject_uevent_env kobject: 'loop0' (0000000072b17e00): kobject_uevent_env kobject: 'rx-0' (000000008185365f): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'loop0' (0000000072b17e00): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (00000000fdf47c4c): kobject_add_internal: parent: 'queues', set: 'queues' RBP: ffff8801d9b2f5a0 R08: ffff8801d9b20480 R09: ffffed002fa5856f kobject: 'tx-0' (00000000fdf47c4c): kobject_uevent_env kobject: 'tx-0' (00000000fdf47c4c): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' R10: ffffed002fa5856f R11: ffff88017d2c2b7b R12: ffff88017d2c2ac0 kobject: 'tunl0' (000000001d68b02f): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tunl0' (000000001d68b02f): kobject_uevent_env R13: ffff8801d9b2f4b8 R14: ffff8801d9b2f578 R15: dffffc0000000000 kobject: 'tunl0' (000000001d68b02f): fill_kobj_path: path = '/devices/virtual/net/tunl0' FS: 0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 kobject: 'queues' (00000000d5459278): kobject_add_internal: parent: 'tunl0', set: '' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'queues' (00000000d5459278): kobject_uevent_env CR2: 0000000000c2afd8 CR3: 0000000185bc2000 CR4: 00000000001406e0 kobject: 'queues' (00000000d5459278): kobject_uevent_env: filter function caused the event to drop!