------------[ cut here ]------------
WARNING: CPU: 0 PID: 24514 at net/ipv4/route.c:1241 ip_rt_bug+0x2a/0x110 net/ipv4/route.c:1241
Modules linked in:
CPU: 0 PID: 24514 Comm: syz.2.3883 Not tainted 6.10.0-rc7-syzkaller-00256-gd0d0cd380055 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:ip_rt_bug+0x2a/0x110 net/ipv4/route.c:1241
Code: f3 0f 1e fa 41 57 41 56 41 55 41 54 53 48 89 d3 e8 4b 91 b3 f7 66 90 e8 44 91 b3 f7 48 89 df be 02 00 00 00 e8 37 c2 6d ff 90 <0f> 0b 90 31 c0 5b 41 5c 41 5d 41 5e 41 5f e9 0e aa cd 01 f3 0f 1e
vkms_vblank_simulate: vblank timer overrun
RSP: 0018:ffffc90000007680 EFLAGS: 00010286
RAX: 4ae2fc18f909fa00 RBX: ffff888070825a00 RCX: ffffffff8172daca
RDX: dffffc0000000000 RSI: ffffffff8bcabb40 RDI: ffffffff8c202900
RBP: 0000000000000001 R08: ffffffff92fad617 R09: 1ffffffff25f5ac2
R10: dffffc0000000000 R11: fffffbfff25f5ac3 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880673a8000 R15: ffff888017300d00
FS:  00005555748ba500(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f25fca09f20 CR3: 000000002d130000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 ip_local_out net/ipv4/ip_output.c:129 [inline]
 ip_send_skb net/ipv4/ip_output.c:1492 [inline]
 ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1512
 __icmp_send+0xf89/0x14e0 net/ipv4/icmp.c:777
 ipv4_send_dest_unreach net/ipv4/route.c:1221 [inline]
 ipv4_link_failure+0x62f/0xa10 net/ipv4/route.c:1228
 dst_link_failure include/net/dst.h:429 [inline]
 arp_error_report+0x116/0x160 net/ipv4/arp.c:296
 neigh_invalidate+0x246/0x470 net/core/neighbour.c:1061
 neigh_timer_handler+0x8a5/0xfd0 net/core/neighbour.c:1148
 call_timer_fn+0x190/0x650 kernel/time/timer.c:1792
 expire_timers kernel/time/timer.c:1843 [inline]
 __run_timers kernel/time/timer.c:2417 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428
 run_timer_base kernel/time/timer.c:2437 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
 handle_softirqs+0x2c6/0x970 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
 sysvec_call_function_single+0xa3/0xc0 arch/x86/kernel/smp.c:266
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709
RIP: 0010:do_nanosleep+0x15d/0x600 kernel/time/hrtimer.c:2029
Code: 48 c1 eb 03 42 80 3c 33 00 74 05 e8 cd d4 6a f6 49 8b 57 18 4c 29 e2 4c 89 ff 4c 89 e6 44 89 e9 e8 f8 36 f2 f5 4c 8b 6c 24 20 <4c> 89 e8 48 c1 e8 03 48 89 44 24 48 42 80 3c 30 00 74 08 4c 89 ef
RSP: 0018:ffffc900042efc20 EFLAGS: 00000246
RAX: 4ae2fc18f909fa00 RBX: 1ffff9200085dfaf RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcabb40 RDI: 0000000000000001
RBP: ffffc900042efd10 R08: ffffffff8fad956f R09: 1ffffffff1f5b2ad
R10: dffffc0000000000 R11: fffffbfff1f5b2ae R12: 00000000000f4240
R13: ffffc900042efda0 R14: dffffc0000000000 R15: ffffc900042efd60
 hrtimer_nanosleep+0x227/0x470 kernel/time/hrtimer.c:2083
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
 __se_sys_clock_nanosleep+0x32d/0x3c0 kernel/time/posix-timers.c:1373
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6f421a7bc5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 c6 57 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 1f 58 ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffc85ad2f10 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007f6f42303f60 RCX: 00007f6f421a7bc5
RDX: 00007ffc85ad2f50 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f6f42305a60 R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000001aaf1d
R13: 0000000000000032 R14: 00007f6f42305a60 R15: 00007f6f42304038
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 c1 eb 03          	shr    $0x3,%rbx
   4:	42 80 3c 33 00       	cmpb   $0x0,(%rbx,%r14,1)
   9:	74 05                	je     0x10
   b:	e8 cd d4 6a f6       	call   0xf66ad4dd
  10:	49 8b 57 18          	mov    0x18(%r15),%rdx
  14:	4c 29 e2             	sub    %r12,%rdx
  17:	4c 89 ff             	mov    %r15,%rdi
  1a:	4c 89 e6             	mov    %r12,%rsi
  1d:	44 89 e9             	mov    %r13d,%ecx
  20:	e8 f8 36 f2 f5       	call   0xf5f2371d
  25:	4c 8b 6c 24 20       	mov    0x20(%rsp),%r13
* 2a:	4c 89 e8             	mov    %r13,%rax <-- trapping instruction
  2d:	48 c1 e8 03          	shr    $0x3,%rax
  31:	48 89 44 24 48       	mov    %rax,0x48(%rsp)
  36:	42 80 3c 30 00       	cmpb   $0x0,(%rax,%r14,1)
  3b:	74 08                	je     0x45
  3d:	4c 89 ef             	mov    %r13,%rdi