------------[ cut here ]------------
WARNING: CPU: 1 PID: 12608 at net/ipv4/route.c:1245 ip_rt_bug+0x22/0x130 net/ipv4/route.c:1244
Modules linked in:
CPU: 1 PID: 12608 Comm: syz-executor.0 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:ip_rt_bug+0x22/0x130 net/ipv4/route.c:1245
Code: ba 9d 01 0f 1f 44 00 00 55 48 89 d5 53 48 83 ec 08 e8 f2 32 d0 f9 66 90 e8 eb 32 d0 f9 e8 e6 32 d0 f9 48 89 ef e8 be 88 7e ff <0f> 0b 48 83 c4 08 31 c0 5b 5d c3 e8 ce 32 d0 f9 48 8d 7d 10 48 b8
RSP: 0018:ffffc900007288a8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88805d8d80c0 RCX: 0000000000000100
RDX: ffff888061a4a040 RSI: ffffffff87a6b4c2 RDI: 0000000000000000
RBP: ffff88801cc5f700 R08: 0000000000000001 R09: ffffffff8ff77a9f
R10: 0000000000000001 R11: 000000000008808a R12: ffff8880173cf900
R13: ffff88801cc5f700 R14: 0000000000000000 R15: ffff88801cc5f758
FS:  0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31429000 CR3: 000000005ca26000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 dst_output include/net/dst.h:450 [inline]
 ip_local_out net/ipv4/ip_output.c:126 [inline]
 ip_send_skb net/ipv4/ip_output.c:1555 [inline]
 ip_push_pending_frames+0x125/0x2b0 net/ipv4/ip_output.c:1575
 icmp_push_reply+0x351/0x4a0 net/ipv4/icmp.c:393
 __icmp_send+0xb99/0x13c0 net/ipv4/icmp.c:769
 ipv4_send_dest_unreach net/ipv4/route.c:1225 [inline]
 ipv4_link_failure+0x5d5/0x9f0 net/ipv4/route.c:1232
 dst_link_failure include/net/dst.h:429 [inline]
 arp_error_report+0xc7/0x1c0 net/ipv4/arp.c:295
 neigh_invalidate+0x20d/0x560 net/core/neighbour.c:1024
 neigh_timer_handler+0xd47/0x10e0 net/core/neighbour.c:1111
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5605
Code: 7e a6 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90002fa7610 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920005f4ec4 RCX: fa18666f66a933aa
RDX: 1ffff1100c349553 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ff77a07
R10: fffffbfff1feef40 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bb812e0 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
 rcu_read_lock include/linux/rcupdate.h:688 [inline]
 folio_memcg_lock+0x3a/0x3e0 mm/memcontrol.c:2010
 page_remove_rmap+0x25/0x1480 mm/rmap.c:1348
 zap_pte_range mm/memory.c:1357 [inline]
 zap_pmd_range mm/memory.c:1467 [inline]
 zap_pud_range mm/memory.c:1496 [inline]
 zap_p4d_range mm/memory.c:1517 [inline]
 unmap_page_range+0xf0e/0x29f0 mm/memory.c:1538
 unmap_single_vma+0x198/0x310 mm/memory.c:1583
 unmap_vmas+0x16b/0x2f0 mm/memory.c:1615
 exit_mmap+0x1d0/0x630 mm/mmap.c:3170
 __mmput+0x122/0x4b0 kernel/fork.c:1113
 mmput+0x56/0x60 kernel/fork.c:1134
 exit_mm kernel/exit.c:507 [inline]
 do_exit+0xb27/0x2b40 kernel/exit.c:819
 do_group_exit+0x125/0x310 kernel/exit.c:929
 get_signal+0x47d/0x2220 kernel/signal.c:2852
 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe7725a7e99
Code: Unable to access opcode bytes at RIP 0x7fe7725a7e6f.
RSP: 002b:00007fe770f1d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fe7726baf68 RCX: 00007fe7725a7e99
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe7726baf68
RBP: 00007fe7726baf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe7726baf6c
R13: 00007ffc957804bf R14: 00007fe770f1d300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	7e a6                	jle    0xffffffa8
   2:	7e 83                	jle    0xffffff87
   4:	f8                   	clc
   5:	01 0f                	add    %ecx,(%rdi)
   7:	85 b4 02 00 00 9c 58 	test   %esi,0x589c0000(%rdx,%rax,1)
   e:	f6 c4 02             	test   $0x2,%ah
  11:	0f 85 9f 02 00 00    	jne    0x2b6
  17:	48 83 7c 24 08 00    	cmpq   $0x0,0x8(%rsp)
  1d:	74 01                	je     0x20
  1f:	fb                   	sti
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	48 01 c3             	add    %rax,%rbx <-- trapping instruction
  2d:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  34:	48 c7 43 08 00 00 00 	movq   $0x0,0x8(%rbx)
  3b:	00
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	84                   	.byte 0x84
  3f:	24                   	.byte 0x24