------------[ cut here ]------------
WARNING: CPU: 1 PID: 10471 at net/ipv4/route.c:1241 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1241
Modules linked in:
CPU: 1 PID: 10471 Comm: modprobe Not tainted 6.10.0-syzkaller-09703-gd7e78951a8b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1241
Code: 1e fa 41 57 41 56 41 55 41 54 53 48 89 d3 e8 1b 26 aa f7 66 90 e8 14 26 aa f7 31 ff 48 89 de ba 02 00 00 00 e8 45 ad 6b ff 90 <0f> 0b 90 31 c0 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 0f 1e
RSP: 0018:ffffc90000a18680 EFLAGS: 00010286
RAX: 644e008c177b0d00 RBX: ffff8880798b9640 RCX: ffffffff816fef2a
RDX: dffffc0000000000 RSI: ffffffff8bcac920 RDI: ffffffff8c206900
RBP: 0000000000000001 R08: ffffffff92ff069f R09: 1ffffffff25fe0d3
R10: dffffc0000000000 R11: fffffbfff25fe0d4 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880626e8000 R15: ffff8880167b2080
FS:  00007fa8a228d380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa8a24be870 CR3: 000000005bc4a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ip_local_out net/ipv4/ip_output.c:129 [inline]
 ip_send_skb net/ipv4/ip_output.c:1495 [inline]
 ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1515
 __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+0x114/0x160 net/ipv4/arp.c:296
 neigh_invalidate+0x244/0x470 net/core/neighbour.c:1061
 neigh_timer_handler+0x8a5/0xfd0 net/core/neighbour.c:1148
 call_timer_fn+0x18e/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+0x2c4/0x970 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_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:80 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:102 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x4e6/0x2a00 arch/x86/kernel/unwind_orc.c:494
Code: 48 89 5c 24 28 49 89 dd 4c 8b 74 24 38 4c 89 e0 4c 29 e8 48 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 49 8d 5c 45 00 <48> 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84
RSP: 0018:ffffc9000303f808 EFLAGS: 00000202
RAX: 000000000000000e RBX: ffffffff902b07a4 RCX: 000000000000000f
RDX: 0000000000000000 RSI: ffffffff8ba0012f RDI: ffffffff8ba001cc
RBP: ffffffff8ba001cc R08: ffffffff81411c60 R09: ffffc9000303f9d0
R10: 0000000000000003 R11: ffffffff817ef0e0 R12: ffffffff902b07c4
R13: ffffffff902b0788 R14: ffffffff8ba0012f R15: ffffffff902b0788
 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2235 [inline]
 slab_free mm/slub.c:4464 [inline]
 kmem_cache_free+0x145/0x350 mm/slub.c:4539
 do_sys_openat2+0x17a/0x1d0 fs/open.c:1424
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_openat fs/open.c:1447 [inline]
 __se_sys_openat fs/open.c:1442 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1442
 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: 0033:0x7fa8a23e19a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffd41e1e380 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fa8a23e19a4
RDX: 0000000000080000 RSI: 00007fa8a22fe707 RDI: 00000000ffffff9c
RBP: 00007fa8a22fe707 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00007fa8a22fe7fc R14: 0000000000000001 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 89 5c 24 28       	mov    %rbx,0x28(%rsp)
   5:	49 89 dd             	mov    %rbx,%r13
   8:	4c 8b 74 24 38       	mov    0x38(%rsp),%r14
   d:	4c 89 e0             	mov    %r12,%rax
  10:	4c 29 e8             	sub    %r13,%rax
  13:	48 89 c1             	mov    %rax,%rcx
  16:	48 c1 f9 02          	sar    $0x2,%rcx
  1a:	48 c1 e8 3f          	shr    $0x3f,%rax
  1e:	48 01 c8             	add    %rcx,%rax
  21:	48 83 e0 fe          	and    $0xfffffffffffffffe,%rax
  25:	49 8d 5c 45 00       	lea    0x0(%r13,%rax,2),%rbx
* 2a:	48 89 d8             	mov    %rbx,%rax <-- trapping instruction
  2d:	48 c1 e8 03          	shr    $0x3,%rax
  31:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  38:	fc ff df
  3b:	0f b6 04 08          	movzbl (%rax,%rcx,1),%eax
  3f:	84                   	.byte 0x84