------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1274 kfree_skb include/linux/skbuff.h:1220 [inline]
WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1274 ip_rt_bug+0x30/0xf8 net/ipv4/route.c:1273
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.140-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ip_rt_bug+0x30/0xf8 include/linux/skbuff.h:1220
lr : kfree_skb include/linux/skbuff.h:1220 [inline]
lr : ip_rt_bug+0x30/0xf8 net/ipv4/route.c:1273
sp : ffff8000080075c0
x29: ffff8000080075c0 x28: 1ffff00001000ef8 x27: ffff0000f53f8280
x26: dfff800000000000 x25: 1fffe0001ea7f05b x24: dfff800000000000
x23: ffff0000d0423b00 x22: ffff0000d0423b30 x21: ffff0000c5fe0d00
x20: ffff0000f53f8280 x19: ffff0000f53f8280 x18: ffff800011a7bd00
x17: ffff8000103b54c8 x16: ffff8000082d1c1c x15: ffff80000fd43d28
x14: ffff8000104e0640 x13: ffff80000fd43378 x12: 0000000000ff0100
x11: ff0080000a889954 x10: 0000000000000003 x9 : a8bc45839125ab00
x8 : a8bc45839125ab00 x7 : ffff8000083af1ac x6 : ffff80000fd43378
x5 : ffff0000cc03a0d8 x4 : ffff800008007270 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff800011a7d800 x0 : 0000000000000000
Call trace:
 kfree_skb include/linux/skbuff.h:1220 [inline]
 ip_rt_bug+0x30/0xf8 net/ipv4/route.c:1273
 dst_output include/net/dst.h:453 [inline]
 ip_local_out net/ipv4/ip_output.c:126 [inline]
 ip_send_skb+0x134/0x2b0 net/ipv4/ip_output.c:1600
 ip_push_pending_frames+0x6c/0x88 net/ipv4/ip_output.c:1620
 icmp_push_reply+0x2e0/0x3c0 net/ipv4/icmp.c:399
 __icmp_send+0xbd4/0xfc4 net/ipv4/icmp.c:785
 ipv4_send_dest_unreach net/ipv4/route.c:1254 [inline]
 ipv4_link_failure+0x54c/0x8b0 net/ipv4/route.c:1261
 dst_link_failure include/net/dst.h:423 [inline]
 arp_error_report+0x11c/0x16c net/ipv4/arp.c:296
 neigh_invalidate+0x29c/0x4ac net/core/neighbour.c:1059
 neigh_timer_handler+0x704/0xe18 net/core/neighbour.c:1146
 call_timer_fn+0x1b8/0x964 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x460/0x6bc kernel/time/timer.c:1820
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1833
 handle_softirqs+0x318/0xc6c kernel/softirq.c:578
 __do_softirq+0x14/0x20 kernel/softirq.c:612
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:893
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:459 [inline]
 __irq_exit_rcu+0x23c/0x43c kernel/softirq.c:661
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:673
 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline]
 el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:486
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581
 arch_local_irq_enable+0xc/0x18 arch/arm64/include/asm/irqflags.h:35
 default_idle_call+0x68/0xdc kernel/sched/idle.c:109
 cpuidle_idle_call kernel/sched/idle.c:191 [inline]
 do_idle+0x1d8/0x4bc kernel/sched/idle.c:303
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:401
 rest_init+0x2d4/0x2f0 init/main.c:733
 start_kernel+0x0/0x554 init/main.c:893
 start_kernel+0x4a4/0x554 init/main.c:1140
 __primary_switched+0xb8/0xc0 arch/arm64/kernel/head.S:468
irq event stamp: 195539
hardirqs last  enabled at (195538): [<ffff8000088d69ec>] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:242
hardirqs last disabled at (195539): [<ffff8000119153e0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (195302): [<ffff8000081a8dc0>] softirq_handle_end kernel/softirq.c:421 [inline]
softirqs last  enabled at (195302): [<ffff8000081a8dc0>] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:606
softirqs last disabled at (195441): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:612
---[ end trace 0000000000000000 ]---