Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:dst_dev_put+0x27/0x2b0
Code: 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff df e8 30 92 71 f8 49 89 dd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 48 89 df e8 09 05 da f8 4c 8b 33 48 8d 7b
RSP: 0018:ffffc900001d77a0 EFLAGS: 00010246
RAX: ffffffff89524c00 RBX: 0000000000000001 RCX: ffff888160abd7c0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 1ffffffff1b9f698 R08: ffff888111a2860b R09: 1ffff110223450c1
R10: dffffc0000000000 R11: ffffed10223450c2 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000607d56209200 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8882a9a48000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c335c3b CR3: 000000010b840000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 fib_nh_common_release+0x1ed/0x420
 free_fib_info_rcu+0xe3/0x2f0
 rcu_core+0xabc/0x1930
 handle_softirqs+0x275/0x850
 run_ksoftirqd+0xa7/0x100
 smpboot_thread_fn+0x57c/0xa80
 kthread+0x787/0x910
 ret_from_fork+0x5b0/0xb20
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dst_dev_put+0x27/0x2b0
Code: 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff df e8 30 92 71 f8 49 89 dd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 48 89 df e8 09 05 da f8 4c 8b 33 48 8d 7b
RSP: 0018:ffffc900001d77a0 EFLAGS: 00010246
RAX: ffffffff89524c00 RBX: 0000000000000001 RCX: ffff888160abd7c0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 1ffffffff1b9f698 R08: ffff888111a2860b R09: 1ffff110223450c1
R10: dffffc0000000000 R11: ffffed10223450c2 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000607d56209200 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8882a9a48000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c335c3b CR3: 000000010b840000 CR4: 00000000000006f0
