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: 22 Comm: kworker/1:1 Not tainted 4.20.0-rc3+ #313 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events smc_tcp_listen_work RIP: 0010:kernel_accept+0x5a/0x310 net/socket.c:3245 Code: 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 5d 20 48 8d bb 50 03 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 14 02 00 00 48 8d 7b 10 0f b6 RSP: 0018:ffff8881d945f5b0 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1103b28a1d1 RDX: 000000000000006a RSI: ffffffff8624577f RDI: 0000000000000350 RBP: ffff8881d945f5e0 R08: ffff8881d9450e88 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8881d94505c0 R12: ffff8881d945f690 R13: ffff88818a88d180 R14: 0000000000000000 R15: ffff888194cc7838 FS: 0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 000000018d2a0000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smc_clcsock_accept net/smc/af_smc.c:840 [inline] smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1307 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: 'loop3' (0000000002e56388): kobject_uevent_env kobject: 'loop3' (0000000002e56388): fill_kobj_path: path = '/devices/virtual/block/loop3' ---[ end trace 1a13faca28d9fb0b ]--- RIP: 0010:kernel_accept+0x5a/0x310 net/socket.c:3245 IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready Code: 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 5d 20 48 8d bb 50 03 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 14 02 00 00 48 8d 7b 10 0f b6 kobject: 'loop4' (0000000051c72a50): kobject_uevent_env RSP: 0018:ffff8881d945f5b0 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1103b28a1d1 kobject: 'loop4' (0000000051c72a50): fill_kobj_path: path = '/devices/virtual/block/loop4' RDX: 000000000000006a RSI: ffffffff8624577f RDI: 0000000000000350 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready kobject: 'loop5' (00000000716b12e8): kobject_uevent_env RBP: ffff8881d945f5e0 R08: ffff8881d9450e88 R09: 0000000000000006 kobject: 'loop5' (00000000716b12e8): fill_kobj_path: path = '/devices/virtual/block/loop5' 8021q: adding VLAN 0 to HW filter on device team0 R10: 0000000000000000 R11: ffff8881d94505c0 R12: ffff8881d945f690 R13: ffff88818a88d180 R14: 0000000000000000 R15: ffff888194cc7838 kobject: 'loop3' (0000000002e56388): kobject_uevent_env FS: 0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 kobject: 'loop3' (0000000002e56388): fill_kobj_path: path = '/devices/virtual/block/loop3' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop4' (0000000051c72a50): kobject_uevent_env CR2: 0000000000e6de80 CR3: 00000001977c5000 CR4: 00000000001406e0 IPv6: ADDRCONF(NETDEV_UP): wlan12: link is not ready kobject: 'loop4' (0000000051c72a50): fill_kobj_path: path = '/devices/virtual/block/loop4' IPv6: ADDRCONF(NETDEV_UP): bond3: link is not ready DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 8021q: adding VLAN 0 to HW filter on device bond3 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 IPv6: ADDRCONF(NETDEV_UP): bond4: link is not ready 8021q: adding VLAN 0 to HW filter on device bond4