------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at net/ipv4/route.c:1258 kfree_skb include/linux/skbuff.h:1250 [inline]
WARNING: CPU: 1 PID: 0 at net/ipv4/route.c:1258 ip_rt_bug+0x27/0x130 net/ipv4/route.c:1257
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.18.0-syzkaller-00161-g1e57930e9f40 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:ip_rt_bug+0x27/0x130 net/ipv4/route.c:1258
Code: 44 00 00 55 48 89 d5 53 48 83 ec 08 e8 b2 3c af f9 66 90 e8 ab 3c af f9 e8 a6 3c af f9 be 01 00 00 00 48 89 ef e8 99 d5 7b ff <0f> 0b 48 83 c4 08 31 c0 5b 5d c3 e8 89 3c af f9 48 8d 7d 10 48 b8
RSP: 0018:ffffc900007488a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88806548c0c0 RCX: 0000000000000100
RDX: ffff888011940000 RSI: ffffffff87c95227 RDI: 0000000000000000
RBP: ffff8880189e8640 R08: 0000000000000001 R09: ffffffff900739a7
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801997f900
R13: ffff8880189e8640 R14: 0000000000000000 R15: ffff8880189e8698
FS:  0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33931000 CR3: 0000000067416000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 dst_output include/net/dst.h:451 [inline]
 ip_local_out net/ipv4/ip_output.c:126 [inline]
 ip_send_skb net/ipv4/ip_output.c:1571 [inline]
 ip_push_pending_frames+0x125/0x2b0 net/ipv4/ip_output.c:1591
 icmp_push_reply+0x2bc/0x3e0 net/ipv4/icmp.c:384
 __icmp_send+0xb97/0x1400 net/ipv4/icmp.c:760
 ipv4_send_dest_unreach net/ipv4/route.c:1238 [inline]
 ipv4_link_failure+0x5d5/0x9f0 net/ipv4/route.c:1245
 dst_link_failure include/net/dst.h:430 [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+0x679/0xa80 kernel/time/timer.c:1737
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1750
 __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:645
RIP: 0010:finish_task_switch.isra.0+0x323/0xb80 kernel/sched/core.c:4953
Code: 13 41 1c 08 85 c0 75 02 0f 0b 48 85 db 0f 85 25 01 00 00 4c 89 f7 e8 fc f7 ff ff e8 f7 e1 2d 00 fb 65 48 8b 1c 25 00 70 02 00 <48> 8d bb 80 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc9000067fc68 EFLAGS: 00000206
RAX: 0000000000502b47 RBX: ffff888011940000 RCX: 1ffffffff1b717c1
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000067fcb0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817ed7b8 R11: 0000000000000001 R12: ffff88802cb3add8
R13: ffff8880245f2200 R14: ffff88802cb3a080 R15: ffff88802cb3aab8
 context_switch kernel/sched/core.c:5076 [inline]
 __schedule+0xaa2/0x4cc0 kernel/sched/core.c:6388
 schedule_idle+0x57/0x90 kernel/sched/core.c:6488
 do_idle+0x303/0x590 kernel/sched/idle.c:331
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
 start_secondary+0x224/0x2c0 arch/x86/kernel/smpboot.c:266
 secondary_startup_64_no_verify+0xc3/0xcb
 </TASK>
----------------
Code disassembly (best guess):
   0:	13 41 1c             	adc    0x1c(%rcx),%eax
   3:	08 85 c0 75 02 0f    	or     %al,0xf0275c0(%rbp)
   9:	0b 48 85             	or     -0x7b(%rax),%ecx
   c:	db 0f                	fisttpl (%rdi)
   e:	85 25 01 00 00 4c    	test   %esp,0x4c000001(%rip)        # 0x4c000015
  14:	89 f7                	mov    %esi,%edi
  16:	e8 fc f7 ff ff       	callq  0xfffff817
  1b:	e8 f7 e1 2d 00       	callq  0x2de217
  20:	fb                   	sti
  21:	65 48 8b 1c 25 00 70 	mov    %gs:0x27000,%rbx
  28:	02 00
* 2a:	48 8d bb 80 15 00 00 	lea    0x1580(%rbx),%rdi <-- trapping instruction
  31:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  38:	fc ff df
  3b:	48 89 fa             	mov    %rdi,%rdx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1