IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready 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 IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready Modules linked in: CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.150 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: krxrpcd rxrpc_process_call IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready task: ffff8880a9e3e600 task.stack: ffff8880a9e50000 kobject: 'loop2' (ffff8880a49c5220): kobject_uevent_env RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:27 [inline] RIP: 0010:refcount_read include/linux/refcount.h:42 [inline] RIP: 0010:rxrpc_get_skb+0x65/0x360 net/rxrpc/skbuff.c:52 RSP: 0018:ffff8880a9e57c28 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8880a9e3ee80 RDX: 000000000000001c RSI: 000000000000000a RDI: 0000000000000000 RBP: ffff8880a9e57c68 R08: 0000000000000001 R09: ffff8880a9e57998 R10: ffff8880a9e57968 R11: ffff8880a9e3e600 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000000e4 R15: 000000000000000a FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f2a000 CR3: 0000000080092000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxrpc_resend net/rxrpc/call_event.c:319 [inline] rxrpc_process_call+0x555/0x1169 net/rxrpc/call_event.c:407 kobject: 'loop2' (ffff8880a49c5220): fill_kobj_path: path = '/devices/virtual/block/loop2' process_one_work+0x863/0x1600 kernel/workqueue.c:2114 IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kobject: 'loop1' (ffff8880a49b31a0): kobject_uevent_env kthread+0x319/0x430 kernel/kthread.c:232 kobject: 'loop1' (ffff8880a49b31a0): fill_kobj_path: path = '/devices/virtual/block/loop1' ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready c0 60 bc c2 89 4c 0f 46 f0 e8 98 33 c5 fb f0 45 0f c1 2e 4c 8d b3 8021q: adding VLAN 0 to HW filter on device batadv0 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 kobject: 'vlan0' (ffff88809758f480): kobject_add_internal: parent: 'mesh', set: '' 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff8880a9e57c28 RIP: atomic_read arch/x86/include/asm/atomic.h:27 [inline] RSP: ffff8880a9e57c28 RIP: refcount_read include/linux/refcount.h:42 [inline] RSP: ffff8880a9e57c28 RIP: rxrpc_get_skb+0x65/0x360 net/rxrpc/skbuff.c:52 RSP: ffff8880a9e57c28 ---[ end trace ffbbe4213d63e039 ]---