general protection fault, probably for non-canonical address 0xdffffc001fffffff: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x00000000fffffff8-0x00000000ffffffff]
CPU: 1 PID: 18 Comm: ksoftirqd/1 Tainted: G        W         5.10.119-syzkaller-00165-g62f4403dcb3c #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 51 bd cf fd 4d 89 fd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 4c 89 ff e8 9a 53 07 fe 4d 8b 37 49 8d 7f
RSP: 0018:ffffc90000137b20 EFLAGS: 00010207
RAX: ffffffff83994e4f RBX: 00000000fffffffe RCX: ffff88810028eac0
RDX: 0000000080000100 RSI: 0000000000000000 RDI: 00000000fffffffe
RBP: ffffc90000137b48 R08: ffffffff83de386d R09: ffffc900001378c4
R10: 000000000000000b R11: ffffffff8480067b R12: dffffc0000000000
R13: 000000001fffffff R14: 0000607e08c3fb78 R15: 00000000fffffffe
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b31f3594b0 CR3: 000000010940b000 CR4: 00000000003506a0
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+0x4ad/0xb00 kernel/rcu/tree.c:2485
 rcu_core+0x64a/0xdf0 kernel/rcu/tree.c:2726
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2739
 __do_softirq+0x253/0x67b kernel/softirq.c:298
 run_ksoftirqd+0x23/0x30 kernel/softirq.c:653
 smpboot_thread_fn+0x4c8/0x8b0 kernel/smpboot.c:164
 kthread+0x365/0x400 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Modules linked in:
---[ end trace 2aceb02816d4a928 ]---
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 51 bd cf fd 4d 89 fd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 4c 89 ff e8 9a 53 07 fe 4d 8b 37 49 8d 7f
RSP: 0018:ffffc90000137b20 EFLAGS: 00010207
RAX: ffffffff83994e4f RBX: 00000000fffffffe RCX: ffff88810028eac0
RDX: 0000000080000100 RSI: 0000000000000000 RDI: 00000000fffffffe
RBP: ffffc90000137b48 R08: ffffffff83de386d R09: ffffc900001378c4
R10: 000000000000000b R11: ffffffff8480067b R12: dffffc0000000000
R13: 000000001fffffff R14: 0000607e08c3fb78 R15: 00000000fffffffe
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b31f3594b0 CR3: 000000010940b000 CR4: 00000000003506a0
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 51 bd cf fd       	callq  0xfdcfbd74
  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 9a 53 07 fe       	callq  0xfe0753d4
  3a:	4d 8b 37             	mov    (%r15),%r14
  3d:	49                   	rex.WB
  3e:	8d                   	.byte 0x8d
  3f:	7f                   	.byte 0x7f