general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 12 Comm: ksoftirqd/0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dst_dev_put+0x26/0x1c0 net/core/dst.c:156
Code: 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 49 89 ff 49 bc 00 00 00 00 00 fc ff df e8 61 2d a6 fd 4d 89 fd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 4c 89 ff e8 7a 00 e0 fd 4d 8b 37 49 8d 7f
RSP: 0018:ffffc900000c7958 EFLAGS: 00010202
RAX: ffffffff83c684ff RBX: 000000000000000b RCX: ffff88810023cf00
RDX: 0000000080000100 RSI: 0000000000000000 RDI: 000000000000000b
RBP: ffffc900000c7980 R08: ffffffff840df72d R09: ffffc900000c76f4
R10: 000000000000000b R11: ffffffff84c00596 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000607e08a4c078 R15: 000000000000000b
FS:  0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8869632058 CR3: 0000000005e0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rt_fibinfo_free_cpus+0xee/0x1c0 net/ipv4/fib_semantics.c:203
 fib_nh_common_release+0x8d/0x240 net/ipv4/fib_semantics.c:216
 fib_nh_release net/ipv4/fib_semantics.c:228 [inline]
 free_fib_info_rcu+0x98/0x190 net/ipv4/fib_semantics.c:240
 rcu_do_batch+0x59e/0xc40 kernel/rcu/tree.c:2485
 rcu_core+0x59b/0xe30 kernel/rcu/tree.c:2726
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2739
 __do_softirq+0x27e/0x596 kernel/softirq.c:305
 run_ksoftirqd+0x23/0x30 kernel/softirq.c:667
 smpboot_thread_fn+0x551/0x930 kernel/smpboot.c:164
 kthread+0x349/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Modules linked in:
---[ end trace 336c347c2c8fdb01 ]---
RIP: 0010:dst_dev_put+0x26/0x1c0 net/core/dst.c:156
Code: 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 49 89 ff 49 bc 00 00 00 00 00 fc ff df e8 61 2d a6 fd 4d 89 fd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 4c 89 ff e8 7a 00 e0 fd 4d 8b 37 49 8d 7f
RSP: 0018:ffffc900000c7958 EFLAGS: 00010202
RAX: ffffffff83c684ff RBX: 000000000000000b RCX: ffff88810023cf00
RDX: 0000000080000100 RSI: 0000000000000000 RDI: 000000000000000b
RBP: ffffc900000c7980 R08: ffffffff840df72d R09: ffffc900000c76f4
R10: 000000000000000b R11: ffffffff84c00596 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000607e08a4c078 R15: 000000000000000b
FS:  0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8869632058 CR3: 0000000005e0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	55                   	push   %rbp
   5:	48 89 e5             	mov    %rsp,%rbp
   8:	41 57                	push   %r15
   a:	41 56                	push   %r14
   c:	41 55                	push   %r13
   e:	41 54                	push   %r12
  10:	53                   	push   %rbx
  11:	49 89 ff             	mov    %rdi,%r15
  14:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
  1b:	fc ff df
  1e:	e8 61 2d a6 fd       	callq  0xfda62d84
  23:	4d 89 fd             	mov    %r15,%r13
  26:	49 c1 ed 03          	shr    $0x3,%r13
* 2a:	43 80 7c 25 00 00    	cmpb   $0x0,0x0(%r13,%r12,1) <-- trapping instruction
  30:	74 08                	je     0x3a
  32:	4c 89 ff             	mov    %r15,%rdi
  35:	e8 7a 00 e0 fd       	callq  0xfde000b4
  3a:	4d 8b 37             	mov    (%r15),%r14
  3d:	49                   	rex.WB
  3e:	8d                   	.byte 0x8d
  3f:	7f                   	.byte 0x7f