------------[ cut here ]------------
WARNING: CPU: 0 PID: 9326 at net/ipv4/route.c:1241 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1241
Modules linked in:
CPU: 0 UID: 0 PID: 9326 Comm: syz.3.1016 Not tainted 6.11.0-rc1-syzkaller-00247-g3608d6aca5e7 #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 cb ef 82 f7 66 90 e8 c4 ef 82 f7 31 ff 48 89 de ba 02 00 00 00 e8 f5 a5 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:ffffc90000007680 EFLAGS: 00010286
RAX: 6730e3491999db00 RBX: ffff88807677c780 RCX: ffffffff81701e2a
RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: ffffffff8c605c00
RBP: 0000000000000001 R08: ffffffff9372989f R09: 1ffffffff26e5313
R10: dffffc0000000000 R11: fffffbfff26e5314 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880777e5940 R15: ffff888016bf9a00
FS:  00007ff2cc1ac6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffff0000 CR3: 00000000646ba000 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:console_flush_all+0xaad/0xfd0 kernel/printk/printk.c:3055
Code: ff ff e8 f6 c1 1f 00 90 0f 0b 90 e9 d8 f8 ff ff e8 e8 c1 1f 00 e8 d3 d0 41 0a 4d 85 f6 74 b6 e8 d9 c1 1f 00 fb 48 8b 44 24 70 <42> 0f b6 04 38 84 c0 48 8b 7c 24 30 0f 85 22 02 00 00 0f b6 1f 31
RSP: 0018:ffffc90005087660 EFLAGS: 00000293
RAX: 1ffff92000a10f18 RBX: 0000000000000000 RCX: ffff88807c0b0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005087810 R08: ffffffff8173a434 R09: 1ffffffff26e5300
R10: dffffc0000000000 R11: fffffbfff26e5301 R12: ffffffff8f130198
R13: ffffffff8f130140 R14: 0000000000000200 R15: dffffc0000000000
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3118
 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2348
 _printk+0xd5/0x120 kernel/printk/printk.c:2373
 mac80211_hwsim_netlink_notify+0x6dc/0x930 drivers/net/wireless/virtual/mac80211_hwsim.c:6442
 notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93
 blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:388
 netlink_release+0x11a6/0x1b10 net/netlink/af_netlink.c:787
 __sock_release net/socket.c:659 [inline]
 sock_close+0xbc/0x240 net/socket.c:1421
 __fput+0x24a/0x8a0 fs/file_table.c:422
 __do_sys_close fs/open.c:1566 [inline]
 __se_sys_close fs/open.c:1551 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1551
 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: 0033:0x7ff2cb37668a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 13 8b 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 73 8b 02 00 8b 44 24
RSP: 002b:00007ff2cc1aaf70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00000000ffffffea RCX: 00007ff2cb37668a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000c
RBP: 000000000000000c R08: 00007ff2cc037d60 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff2cc1aafb0
R13: 000000000000003e R14: 0000000000000000 R15: 00000000200002c0
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	e8 f6 c1 1f 00       	call   0x1fc1fb
   5:	90                   	nop
   6:	0f 0b                	ud2
   8:	90                   	nop
   9:	e9 d8 f8 ff ff       	jmp    0xfffff8e6
   e:	e8 e8 c1 1f 00       	call   0x1fc1fb
  13:	e8 d3 d0 41 0a       	call   0xa41d0eb
  18:	4d 85 f6             	test   %r14,%r14
  1b:	74 b6                	je     0xffffffd3
  1d:	e8 d9 c1 1f 00       	call   0x1fc1fb
  22:	fb                   	sti
  23:	48 8b 44 24 70       	mov    0x70(%rsp),%rax
* 28:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2d:	84 c0                	test   %al,%al
  2f:	48 8b 7c 24 30       	mov    0x30(%rsp),%rdi
  34:	0f 85 22 02 00 00    	jne    0x25c
  3a:	0f b6 1f             	movzbl (%rdi),%ebx
  3d:	31                   	.byte 0x31