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: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1-next-20181109+ #110
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dst_dev_put+0x24/0x290 net/core/dst.c:168
Code: 90 90 90 90 90 90 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb e8 2d 59 5a fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 e3 01 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00
RSP: 0018:ffff8801d9b578e0 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 00000000ffffffff RCX: ffffffff86aa4eef
RDX: 000000001fffffff RSI: ffffffff86254f83 RDI: 00000000ffffffff
RBP: ffff8801d9b57900 R08: ffff8801d9b46440 R09: 0000000000000008
R10: 0000000000000000 R11: ffff8801d9b46440 R12: dffffc0000000000
R13: 0000000000000000 R14: 00000000ffffffff R15: 000060fe24e6e548
FS:  0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32d2a000 CR3: 00000001ce5ee000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop2' (000000003219a180): kobject_uevent_env
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rt_fibinfo_free_cpus net/ipv4/fib_semantics.c:200 [inline]
 free_fib_info_rcu+0x2e1/0x490 net/ipv4/fib_semantics.c:217
 __rcu_reclaim kernel/rcu/rcu.h:240 [inline]
 rcu_do_batch kernel/rcu/tree.c:2452 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline]
 rcu_process_callbacks+0xc57/0x15f0 kernel/rcu/tree.c:2754
kobject: 'loop2' (000000003219a180): fill_kobj_path: path = '/devices/virtual/block/loop2'
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace a201fc2a3821d080 ]---
RIP: 0010:dst_dev_put+0x24/0x290 net/core/dst.c:168
Code: 90 90 90 90 90 90 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb e8 2d 59 5a fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 e3 01 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00
RSP: 0018:ffff8801d9b578e0 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 00000000ffffffff RCX: ffffffff86aa4eef
RDX: 000000001fffffff RSI: ffffffff86254f83 RDI: 00000000ffffffff
RBP: ffff8801d9b57900 R08: ffff8801d9b46440 R09: 0000000000000008
R10: 0000000000000000 R11: ffff8801d9b46440 R12: dffffc0000000000
R13: 0000000000000000 R14: 00000000ffffffff R15: 000060fe24e6e548
FS:  0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32d2a000 CR3: 00000001ce5ee000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400